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GB2615071A - Water filter cartridge, filtration apparatuses, and methods for filtering - Google Patents

Water filter cartridge, filtration apparatuses, and methods for filtering Download PDF

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Publication number
GB2615071A
GB2615071A GB2200727.2A GB202200727A GB2615071A GB 2615071 A GB2615071 A GB 2615071A GB 202200727 A GB202200727 A GB 202200727A GB 2615071 A GB2615071 A GB 2615071A
Authority
GB
United Kingdom
Prior art keywords
water
container
lid
filter cartridge
water filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB2200727.2A
Other versions
GB202200727D0 (en
Inventor
Byrne Cecilia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2200727.2A priority Critical patent/GB2615071A/en
Publication of GB202200727D0 publication Critical patent/GB202200727D0/en
Publication of GB2615071A publication Critical patent/GB2615071A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0266—Types of fibres, filaments or particles, self-supporting or supported materials comprising biodegradable or bio-soluble polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0485—Surface coating material on particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/04—Location of water treatment or water treatment device as part of a pitcher or jug

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

A water filter cartridge comprising a lid and refillable container to hold filtration media. The lid is removably attached to the container. A filter apparatus comprises the cartridge, within a removable tank, 408, inside a vessel, 410, the tank holds unfiltered water, and filtered water feeds into the vessel. The vessel may have a usage indicator, 418, and may have a handle and/or spout, 414/412. Unfiltered water can be added to the container lid, with filtered water being collected at the other end. The filtration media, which may be biodegradable, can be replaced by removing the lid and emptying the container (fig. 5).

Description

WATER FILTER CARTRIDGE, FILTRATION APPARATUSES, AND
METHODS FOR FILTERING
TECHNICAL FIELD
The present disclosure relates to water filter cartridges. The present disclosure also relates to water filtration apparatuses. The present disclosure further relates to methods for filtering water using water filter cartridges.
BACKGROUND
Over the decades, with increase in global realization of drinking high quality water, water filtration equipment has gained popularity due to continued technological advancements in producing a high quality filtered water from such equipment. Said advancements are being developed to remove contaminants and impurities from water, and add beneficial supplements into the water, to produce the high quality filtered water for residential and/or commercial purposes.
Typically, existing water filtration equipment comprises a single use water filter cartridge that is changeable and disposable when the water filter cartridge reaches to an end of its usage lifetime. Since these water filter cartridges are to be changed and replaced after a certain period of time, the water filter cartridges are thrown away in environment. Also, some existing water filter cartridges are made up of low grade plastic material. Disposing such water filter cartridge maximizes waste production as well as pose recycling problems which often lead to severe pollution (such as plastic pollution) at landfill sites. Moreover, this adversely affects environment and living organisms in the environment. Furthermore, each replacement of water filter cartridge is expensive, and thus the existing water filtration equipment is not well suited for an end user in terms of economic point of view.
Therefore, in light of the foregoing discussion, there exists a need to overcome the aforementioned drawbacks associated with existing water filtration equipment employing single use water filter cartridges.
SUMMARY
The present disclosure seeks to provide a water filter cartridge. The present disclosure also seeks to provide a water filtration apparatus. The present disclosure further seeks to provide a method for filtering water using a water filter cartridge. An aim of the present disclosure is to provide a solution that overcomes at least partially the problems encountered in prior art.
In one aspect, an embodiment of the present disclosure provides a water filter cartridge comprising: - a lid; and a container, wherein the lid is detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, and wherein when the water filter cartridge is in use, unfiltered water enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce filtered water, and the filtered water exits from a second end of the container that is opposite to the first end.
In another aspect, an embodiment of the present disclosure provides a water filtration apparatus comprising: - a water filter cartridge, wherein the water filter cartridge comprises a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable; - a tank adapted to accommodate the water filter cartridge therein and to provide a first reservoir for holding unfiltered water; and - a vessel adapted to provide a second reservoir for holding filtered water, wherein the tank is removably attached to the vessel in a manner that the tank is accommodated within the vessel, wherein when the water filtration apparatus is in use, the unfiltered water from the tank enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce the filtered water, and the filtered water exits from a second end of the container that is opposite to the first end into the vessel.
In yet another aspect, an embodiment of the present disclosure provides a method for filtering water using a water filter cartridge, the water filter cartridge comprising a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, the method comprising: - installing the water filter cartridge in a water filtration apparatus; - adding unfiltered water in the water filtration apparatus, wherein the unfiltered water passes through the lid into the container, the unfiltered water is filtered by the water filtration substances to produce filtered water; and - collecting the filtered water in the water filtration apparatus as the 25 filtered water exits from a second end of the container that is opposite to the first end.
Embodiments of the present disclosure substantially eliminate or at least partially address the aforementioned problems in the prior art, and enable use of efficient, reliable, durable, simple, economical, and 30 refillable water filter cartridge in water filtration apparatus.
Additional aspects, advantages, features and objects of the present disclosure would be made apparent from the drawings and the detailed description of the illustrative embodiments construed in conjunction with the appended claims that follow.
It will be appreciated that features of the present disclosure are susceptible to being combined in various combinations without departing from the scope of the present disclosure as defined by the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
The summary above, as well as the following detailed description of illustrative embodiments, is better understood when read in conjunction with the appended drawings. For the purpose of illustrating the present disclosure, exemplary constructions of the disclosure are shown in the drawings. However, the present disclosure is not limited to specific methods and instrumentalities disclosed herein. Moreover, those skilled in the art will understand that the drawings are not to scale. Wherever possible, like elements have been indicated by identical numbers.
Embodiments of the present disclosure will now be described, by way of example only, with reference to the following diagrams wherein: FIG. 1 is a perspective view of a lid of a water filter cartridge, in accordance with an embodiment of the present disclosure; FIG. 2 is a perspective view of a container of a water filter cartridge, in accordance with an embodiment of the present disclosure; FIGs. 3A and 3B are two perspective views of a water filter 25 cartridge, in accordance with an embodiment of the present disclosure; FIG. 4 is a perspective view of a water filtration apparatus, in accordance with an embodiment of the present disclosure; FIG. 5 is schematic illustration of replacement of water filtration substances in a container of a water filter cartridge, in accordance with an embodiment of the present disclosure; FIGs. 6A and 65 are perspective views of a lid of a water filter 5 cartridge, in accordance with different embodiments of the present disclosure; and FIG. 7 illustrates steps of a method for filtering water using a water filter cartridge, in accordance with an embodiment of the present disclosure.
In the accompanying drawings, an underlined number is employed to represent an item over which the underlined number is positioned or an item to which the underlined number is adjacent. A non-underlined number relates to an item identified by a line linking the non-underlined number to the item. When a number is non-underlined and accompanied by an associated arrow, the non-underlined number is used to identify a general item at which the arrow is pointing.
DETAILED DESCRIPTION OF EMBODIMENTS
The following detailed description illustrates embodiments of the present disclosure and ways in which they can be implemented.
Although some modes of carrying out the present disclosure have been disclosed, those skilled in the art would recognize that other embodiments for carrying out or practising the present disclosure are also possible.
In one aspect, an embodiment of the present disclosure provides a 25 water filter cartridge comprising: a lid; and a container, wherein the lid is detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, and wherein when the water filter cartridge is in use, unfiltered water enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce filtered water, and the filtered water exits from a second end of the container that is opposite to the first end.
In another aspect, an embodiment of the present disclosure provides a water filtration apparatus comprising: a water filter cartridge, wherein the water filter cartridge comprises a lid and a container, the lid being detachably attached to a 10 first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable; - a tank adapted to accommodate the water filter cartridge therein and to provide a first reservoir for holding unfiltered water; and - a vessel adapted to provide a second reservoir for holding filtered water, wherein the tank is removably attached to the vessel in a manner that the tank is accommodated within the vessel, wherein when the water filtration apparatus is in use, the unfiltered water from the tank enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce the filtered water, and the filtered water exits from a second end of the container that is opposite to the first end into the vessel.
In yet another aspect, an embodiment of the present disclosure provides a method for filtering water using a water filter cartridge, the water filter cartridge comprising a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, the method comprising: installing the water filter cartridge in a water filtration apparatus; - adding unfiltered water in the water filtration apparatus, wherein the unfiltered water passes through the lid into the container, the unfiltered water is filtered by the water filtration substances to produce filtered water; and - collecting the filtered water in the water filtration apparatus as the filtered water exits from a second end of the container that is opposite to the first end.
The present disclosure provides the aforementioned water filter cartridge, the aforementioned water filtration apparatus, and the aforementioned method for filtering water using the water filter cartridge. Herein, the water filter cartridge could be easily opened to refill the water filtration substances, and could be easily closed after the refilling. Advantageously, a single water filter cartridge could be used several times for water filtration and only the water filtration substances would need to be replaced at an end of their usage lifetime. In other words, the water filter cartridge needs to be purchased only once i.e. a single (plastic) purchase, and then it could be refilled with the water filtration substances indefinitely. This minimizes waste production as there would not be any need for purchasing several water filter cartridges and also reduces pollution, such as plastic pollution. Moreover, the water filtration substances could be easily and economically purchased by a user instead of purchasing a whole new water filter cartridge. Furthermore, for same water filtration, instead of storing the several water filter cartridges, the water filtration substances could be stored more efficiently (in bulk quantities) than the several water filter cartridges. The water filter cartridge is durable and simple. The water filtration apparatus is effective, reliable, and may need no electricity to operate, and thus saves energy resources. The method is fast, effective, reliable and can be implemented with ease. a
It will be appreciated that since the lid is detachably attached to the first end of the container, the water filter cartridge could be opened and/or closed as and when required, and thus the water filtration substances could be replaced easily. When the water filter cartridge is in use, the unfiltered water is exposed to the water filtration substances in the container. Optionally, the unfiltered water is filtered by action of the water filtration substances to trap contaminants and/or impurities present in the unfiltered water. Optionally, the filtered water exits from the second end of the container by a gravitational pull. Beneficially, no electricity is required for such a filtration. Moreover, a design of the water filter cartridge is such that it could also be employed in water filtration apparatuses that are already available in the market.
Optionally, a first surface of the second end of the container includes a recess and an attachment tab within the recess, and wherein the attachment tab is adapted to be accommodated in a corresponding attachment recess within the water filtration apparatus in which the water filter cartridge is to be employed, to securely attach the water filter cartridge in the water filtration apparatus. The first surface of the second end of the container is a bottom surface of the second end of the container that faces outside the container. It will be appreciated that the recess on the first surface of the second end of the container would appear as a protrusion when viewed from inside the container. When the attachment tab is adapted to be accommodated in the corresponding attachment recess, the water filter cartridge is firmly detachably attached in the water filtration apparatus. Beneficially, when the water filter cartridge is in use in the water filtration apparatus, the water filter cartridge would not have any free movement (i.e. degree of freedom of the water filter cartridge is/are arrested) and the unfiltered water could easily enter the container and would be filtered by the water filtration substances.
The tank securely holds the water filter cartridge at a bottom position, and the unfiltered water from the first reservoir enters the container by the gravitation pull. Notably, the water filter cartridge is removably attached to the tank. This facilitates a user to attach/remove the water 5 filter cartridge to/from the tank as and when required. For example, the water filter cartridge may be removed from the tank to replace the water filtration substances in the container. After the filtration, the filtered water is collected in the second reservoir in the vessel. Notably, the water filter cartridge is manually installed in the tank of the water 10 filtration apparatus. The unfiltered water is added in the first reservoir provided by the tank.
Optionally, the second end of the container has a first water-permeable mesh. In this regard, the first water-permeable mesh allows only the filtered water to pass through the second end of the container into the vessel. Optionally, the lid has a second water-permeable mesh. In this regard, the second water-permeable mesh allows the unfiltered water (including impurities) to pass through the lid into the container. Optionally, a mesh size of the first water-permeable mesh is lower than a mesh size of the second water-permeable mesh. Optionally, in this regard, the first water-permeable mesh has a higher mesh number than that of the second water-permeable mesh. The term "mesh size" refers to a size of an opening (namely, hole) in a given water-permeable mesh, and the term "mesh number" refers to a number of openings per unit length in the given water-permeable mesh. In an example, the first water-permeable mesh may have a mesh number equal to 40 (corresponding to a mesh size of 0.4 millimetres), whereas the second water-permeable mesh may have a mesh number equal to 10 (corresponding to a mesh size of 2 millimetres). It will be appreciated that the first and second water permeable meshes are durable and easy to wash/clean.
In an embodiment, the second water-permeable mesh is provided in a lid recess formed on or below a first surface of the lid. The "lid recess" refers to a cavity that is formed on or below the first surface of the lid. The first surface of the lid is an outer surface that faces away from the container. Optionally, the lid recess is formed in a centre of the first surface of the lid, and the second water-permeable mesh is provided in the lid recess. It will be appreciated that by providing the lid recess, the unfiltered water from the tank enters the container through the lid in a stable manner with a constant flow rate and minimal turbulence. In another embodiment, the second water-permeable mesh is provided directly on the first surface of the lid. Optionally, the second water-permeable mesh is provided in a centre of the first surface of the lid.
Optionally, the first surface of the lid has a gripping means to enable mechanical attachment of the lid to the container and/or detachment of the lid from the container. It will be appreciated that the gripping means allows the user to easily attach (namely, close or seal) the lid to the container and detach (namely, open) the lid from the container. The detachment of the lid is performed to remove existing water filtration substances present in the container, and the attachment of the lid is performed after adding new water filtration substances in the container. Optionally, the gripping means is implemented as at least one of: a projecting tab, a handle, a groove, a hook, a dowel, and the like. In an example, the gripping means may be implemented as two projecting tabs extending from the first surface (or alternatively, from at least one other surface such as at least one side surface) of the lid. In another example, the gripping means may be implemented as a dual-action twist-and-grip handle on the first surface of the lid.
Optionally, the lid has an obround shape, while the container has an obround-prism shape. In this regard, the obround shape of the lid 30 would be compatible with the obround-prism shape of the container in such a way that the mechanical attachment of the lid to the container and/or detachment of the lid from the container could be easily and suitably performed. Moreover, the obround (namely, discorectangle or stadium) shape and the obround-prism shape provide firm handling of 5 the lid and the container, respectively. Alternatively, optionally, the lid has a circular shape, while the container has a cylindrical shape. Yet alternatively, optionally, the lid has a rectangular shape, while the container has a cuboidal shape. More alternatively, optionally, the lid has a square shape, while the container has a cubical shape. Other 10 types of shapes of the lid and the container are also feasible, as long as such shapes are compatible with each other.
Optionally, the lid has a plurality of slots on the first surface of the lid, and the lid recess is formed below the first surface of the lid. Optionally, in this regard, the second water-permeable mesh is provided in the lid recess. In such a case, the unfiltered water passes through the plurality of slots to reach the lid recess whereat the second water-permeable mesh allows the unfiltered water to pass through the lid into the container. The first surface of the lid could have a planar shape or a curved shape (such as a dome shape) or a freeform shape. The lid may be a push pot-type lid with the gripping means (such as the handle) on the first surface of the lid.
Optionally, the water filtration substances comprise at least one of: super ceramic balls, alkalizing minerals, antioxidant supplements, antimicrobial balls, activated carbon. It will be appreciated that the super ceramic balls facilitates in improving structure of the unfiltered water. This produces high quality filtered water that is suitable for residential (namely, domestic) and/or commercial purposes. Moreover, the high quality filtered water may provide health benefits such as boosting immune system, aiding digestion, and the like, of users. Optionally, the super ceramic balls are impregnated with silver ions, to have strong bacteriostatic and self-sterilizing properties. It will also be appreciated that the alkalizing minerals increase (and thus balance) potential of hydrogen (pH) in the filtered water as they release molecular hydrogen in the filtered water. The alkalizing minerals could be, for example, calcium, potassium, magnesium, bicarbonate, and the like. The antioxidant supplements contains a high concentration of electrons and a negative Oxidation Reduction Potential (ORP). This facilitates in decreasing negative effects of free radicals in human body and thus preventing cell damage in the human body. The antioxidant supplements also increase the pH in the filtered water. The antioxidant supplements could be, for example, molecular hydrogen, selenium, and the like. Moreover, the anti-microbial balls are used to destroy microorganisms (such as bacteria, fungi, viruses, algae and the like) present in the unfiltered water. Specifically, the water filtration substances comprise anti-bacterial balls. The anti-bacterial balls destroy growth of harmful bacteria present in the unfiltered water, and facilitate in reducing heavy metal(s) present in the unfiltered water. Beneficially, the activated carbon facilitate in filtering out odours, contaminants, impurities, sediments, and volatile organic compounds from the unfiltered water. Typically, 60 percent of the water filtration substances comprise the activated carbon. Optionally, the activated carbon is at least one of: granular activated carbon, powdered activated carbon, bead activated carbon, impregnated activated carbon, woven activated carbon, polymer-coated activated carbon. Beneficially, the water filtration substances could be easily and economically purchased by the user instead of purchasing a whole new water filter cartridge. The water filter cartridge needs to be purchased only once i.e. a single plastic purchase, and then it could be just refilled indefinitely. Optionally, the water filtration substances are available in a package. Such a package could be made up of a biodegradable material. Moreover, such a package would be space-efficient than an existing water filter cartridge.
As an example, the package is 20 times more space-efficient than the existing water filter cartridge.
Optionally, the water filtration substances are biodegradable. It will be appreciated that when the water filtration substances are biodegradable, the water filtration substance could be easily and safely disposed in the environment for biological decomposition by action of microorganisms, such as bacteria, fungi, and the like. Beneficially, in such a case, there would not be any ecological harm (such as environmental pollution, human health hazard, and the like).
Specifically, the water filtration substances are compostable. Moreover, the biodegradable water filtration substances enables in having a zero waste solution, wherein the water filtration cartridge could be reused by replacing existing water filtration substances water filtration substances with new water filtration substances, and disposing the existing water filtration substances in the environment easily and safely, for the biological decomposition. Beneficially, the water filtration cartridge need not be repeatedly purchased by the user and only the water filtration substances are to be purchased by the user. This minimizes cost, plastic pollution and/or waste production. Optionally, a material of the water filter cartridge is environment-friendly. Optionally, in this regard, the material of the water filter cartridge is a recycled Bisphenol A (BPA) free plastic.
Optionally, in the water filtration apparatus, the first surface of the second end of the container includes the recess and the attachment tab 25 within the recess, and wherein the tank includes a protrusion and an attachment recess in the protrusion, further wherein the attachment tab is adapted to be accommodated in the attachment recess, while the protrusion is adapted to be accommodated in the recess, to securely attach the water filter 30 cartridge in the tank of the water filtration apparatus.
When the attachment tab is adapted to be accommodated in the attachment recess, while the protrusion is adapted to be accommodated in the recess, the water filter cartridge is firmly detachably attached in the tank of the water filtration apparatus. Beneficially, when the water filter cartridge is in use in the water filtration apparatus, the water filter cartridge would not have any free movement in the tank and the unfiltered water could easily enter the container and would be filtered by the water filtration substances.
Optionally, the water filtration apparatus further comprises a covering for a first end of the vessel, wherein the covering includes at least an indicator of a usage lifetime of the water filter cartridge. The first end of the vessel is an open end of the vessel that is exposed to atmosphere. The covering shields the water filtration apparatus from top. Optionally, the covering includes at least one of: a brand logo of the water filtration apparatus, instructions to use the water filtration apparatus, instructions to change the water filter cartridge.
It will be appreciated that the indicator of the usage lifetime of the water filter cartridge indicates the user when to change the water filtration substances in the water filter cartridge and/or how much time is left to change the water filtration substances in the water filter cartridge. Such an indication could be in form of a digital notification, an analog notification, a colour change notification, a light change indication. Optionally, in this regard, the indicator of the usage lifetime of the water filter cartridge is one of: a digital indicator, an analog indicator, a colour indicator, a light-emitting diode (LED) indicator. In an example, the digital indicator may display the digital notification to change the water filtration substances in the water filter cartridge, for example, after every 60 days. In another example, the colour indicator may indicate a colour change from "white" to "red" to notify the user to change the water filtration substances in the water filter cartridge. The indicator could also act as a reminder to refill the water filtration substances timely. It will be appreciated that there could be a subscription service for refilling the water filtration substances, to be availed by the users. Such a subscription service may be suitable for the user with a busy lifestyle and profession. As an example, the subscription service may provide refills for the water filtration substances after every 60 days.
Optionally, in the water filtration apparatus, the vessel comprises at least one of: a spout, a handle. In this regard, the spout is provided for enabling the filtered water to be poured out of the water filtration apparatus, and the handle is provided for holding (namely, carrying) the water filtration apparatus. Advantageously, the water filtration apparatus would be portable due to the presence of the spout and/or handle. In such a case, the water filtration apparatus could be suitably used for residential purposes. Optionally, in this regard, the water filtration apparatus is portable as well as compact. In an example, the water filtration apparatus being eco-friendly, portable and compact may be apt for a busy family having a limited space in their home/kitchen.
Optionally, the water filtration apparatus conforms to at least one health and safety standard. Optionally, the at least one health and safety standard could be one of: a National Sanitation Foundation (NSF) standard, a Water Quality Association (WQA) standard, an Environmental Protection Agency (EPA) standard, or an International Association of Plumbing and Mechanical Officials (IAPMO) standard.
Optionally, the method further comprises replacing the water filtration substances in the container by: - detaching the lid from the first end of the container to open the water filter cartridge; - removing existing water filtration substances present in the container and then adding new water filtration substances in the container; and - attaching the lid to the first end of the container to close the 5 water filter cartridge.
Optionally, the water filtration substances in the container are replaced due to one of: the digital notification of the digital indicator, the analog notification of the analog indicator, the colour change notification of the colour indicator, the light change indication of the LED indicator.
Optionally, the lid is detached from the first end of the container by using the gripping means that enable the detachment of the lid from the container. When the water filter cartridge is opened, the existing water filtration substances present in the container are removed. Optionally, the existing water filtration substances are composted. Optionally, prior to adding the new water filtration substances in the container, the container is cleaned to prevent build-up of bacteria and/or mould inside the container. Optionally, the lid is attached to the first end of the container by using the gripping means that enable the attachment of the lid to the container. Beneficially, since the same container is reused for adding the new water filtration substances, waste production is minimized. Moreover, the existing water filtration substances are biodegradable, and thus there would be zero environmental pollution. It will be appreciated that optionally the steps of replacing the water filtration substances in the container are easily performed manually (i.e. by the user).
DETAILED DESCRIPTION OF THE DRAWINGS
Referring to FIG. 1, illustrated is a perspective view of a lid 100 of a water filter cartridge, in accordance with an embodiment of the present disclosure. The lid 100 has a second water-permeable mesh 102 that is 30 provided in a lid recess 104 formed on a first surface 106 of the lid 100. The first surface 106 of the lid 100 has a gripping means (depicted as a projecting tab 108) to enable mechanical attachment of the lid 100 to a container (not shown) and/or detachment of the lid 100 from the container. The lid 100 has an obround shape.
FIG. 1 is merely an exemplary illustration of the lid 100, for sake of clarity only, and should not unduly limit the scope of the claims herein. A person skilled in the art will recognize many variations, alternatives, and modifications of embodiments of the present disclosure. For example, a design of the lid 100 could be different from the illustrated design.
Referring to FIG. 2, illustrated is a perspective view of a container 200 of a water filter cartridge, in accordance with an embodiment of the present disclosure. The container 200 is capable of accommodating therein water filtration substances (not shown). A lid (for example, the lid 100 as shown in FIG. 1) is detachably attached to a first end 202 of the container 200. A second end 204 of the container has a first water-permeable mesh 206. The container 200 has an obround-prism shape.
Referring to FIGs. 3A and 3B, illustrated are two perspective views of a water filter cartridge 300, in accordance with an embodiment of the 20 present disclosure.
The water filter cartridge 300 comprises a lid 302 and a container 304, wherein the lid 302 is detachably attached to a first end of the container 304. The container 304 is capable of accommodating therein water filtration substances (not shown) that are replaceable. When the water filter cartridge 300 is in use, unfiltered water (not shown) enters the container 304 through the lid 302, the unfiltered water is filtered by the water filtration substances to produce filtered water (not shown), and the filtered water exits from a second end (depicted in FIG. 3B) of the container 304 that is opposite to the first end.
In FIG. 3B, there is shown a first surface 306 of a second end 308 of the container 304 includes a recess 310 and an attachment tab 312 within the recess 310. The attachment tab 312 is adapted to be accommodated in a corresponding attachment recess (not shown) within a water filtration apparatus (not shown) in which the water filter cartridge 300 is to be employed, to securely attach the water filter cartridge 300 in the water filtration apparatus.
It may be understood by a person skilled in the art that the FIGs. 3A and 3B are merely examples for sake of clarity, which should not unduly limit the scope of the claims herein. The person skilled in the art will recognize many variations, alternatives, and modifications of embodiments of the present disclosure. For example, a design of the lid 302 and/or a design of the container 304 could be different from the illustrated designs.
Referring to FIG. 4, illustrated is a perspective view of a water filtration apparatus 400, in accordance with an embodiment of the present disclosure. The water filtration apparatus comprises a water filter cartridge 402, a tank 404, and a vessel 406. The tank 404 is adapted to accommodate the water filter cartridge 402 therein and to provide a first reservoir 408 for holding unfiltered water (not shown). The vessel 406 is adapted to provide a second reservoir 410 for holding filtered water (not shown). The vessel 406 is shown to comprise a spout 412 and a handle 414. The tank 404 is removably attached to the vessel 406 in a manner that the tank 404 is accommodated within the vessel 406. The water filtration apparatus 400 further comprises a covering 416 for a first end of the vessel 406, wherein the covering 416 includes at least an indicator 418 of a usage lifetime of the water filter cartridge 402.
Referring to FIG. 5, illustrated is a schematic illustration of replacement 30 of water filtration substances 502 in a container 504 of a water filter cartridge, in accordance with an embodiment of the present disclosure. The water filtration substances 502 are shown to be added or refilled in the container 504 from a package 506 containing the water filtration substances 502.
Referring to FIGs. 6A and 66, illustrated are perspective views of a lid 600 of a water filter cartridge (not shown), in accordance with different embodiments of the present disclosure. The lid 600 has a plurality of slots 602 on a first surface 604 of the lid 600. The first surface 604 of the lid 600 has a gripping means (depicted as a handle 606) to enable mechanical attachment of the lid 600 to a container (not shown) and/or detachment of the lid 600 from the container. The lid 600 has a second water-permeable mesh (not shown) that is provided in a lid recess (not shown) that is formed below the first surface 604 of the lid 600.
In FIG. 6A, the plurality of slots 602 are straight, have different sizes, and are (nearly) equally spaced with respect to each other. The handle 606 is horizontally (i.e., longitudinally) positioned along the first surface 604 of the lid 600. The first surface 604 of the lid 600 has a dome shape.
In FIG. 66, the plurality of slots 602 are curvy and have different sizes. 20 The handle 606 is vertically (i.e., laterally) positioned along the first surface 606 of the lid 600. The lid 600 has an obround shape.
It may be understood by a person skilled in the art that the FIGs. 6A and 66 are merely examples for sake of clarity, which should not unduly limit the scope of the claims herein. The person skilled in the art will recognize many variations, alternatives, and modifications of embodiments of the present disclosure.
Referring to FIG. 7, illustrated are steps of a method for filtering water using a water filter cartridge, in accordance with an embodiment of the present disclosure. The water filter cartridge comprises a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable. At step 702, the water filter 5 cartridge is installed in a water filtration apparatus. At step 704, unfiltered water is added in the water filtration apparatus, wherein the unfiltered water passes through the lid into the container, the unfiltered water is filtered by the water filtration substances to produce filtered water. At step 706, the filtered water is collected in the water filtration 10 apparatus as the filtered water exits from a second end of the container that is opposite to the first end.
The steps 702, 704, and 706 are only illustrative and other alternatives can also be provided where one or more steps are added, one or more steps are removed, or one or more steps are provided in a different sequence without departing from the scope of the claims herein.
Modifications to embodiments of the present disclosure described in the foregoing are possible without departing from the scope of the present disclosure as defined by the accompanying claims. Expressions such as "including", "comprising", "incorporating", "have", "is" used to describe and claim the present disclosure are intended to be construed in a nonexclusive manner, namely allowing for items, components or elements not explicitly described also to be present. Reference to the singular is also to be construed to relate to the plural.

Claims (15)

  1. CLAIMSWhat is claimed is: 1. A water filter cartridge comprising: a lid; and - a container, wherein the lid is detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, and wherein when the water filter cartridge is in use, unfiltered water enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce filtered water, and the filtered water exits from a second end of the container that is opposite to the first end.
  2. 2. A water filter cartridge of claim 1, wherein the second end of the container has a first water-permeable mesh.
  3. 3. A water filter cartridge of claim 1 or 2, wherein the lid has a 15 second water-permeable mesh.
  4. 4. A water filter cartridge of claim 3, wherein the second water-permeable mesh is provided in a lid recess formed on or below a first surface of the lid.
  5. 5. A water filter cartridge of any of the preceding claims, wherein the 20 first surface of the lid has a gripping means to enable mechanical attachment of the lid to the container and/or detachment of the lid from the container.
  6. 6. A water filter cartridge of any of the preceding claims, wherein the water filtration substances comprise at least one of: super ceramic 25 balls, alkalizing minerals, antioxidant supplements, anti-microbial balls, activated carbon.
  7. 7. A water filter cartridge of any of the preceding claims, wherein the water filtration substances are biodegradable.
  8. 8. A water filter cartridge of any of the preceding claims, wherein a first surface of the second end of the container includes a recess and an attachment tab within the recess, and wherein the attachment tab is adapted to be accommodated in a corresponding attachment recess within a water filtration apparatus in which the water filter cartridge is to be employed, to securely attach the water filter cartridge in the water filtration apparatus.
  9. 9. A water filter cartridge of any of the preceding claims, wherein the lid has an obround shape, while the container has an obround-prism shape.
  10. 10. A water filtration apparatus comprising: - a water filter cartridge, wherein the water filter cartridge comprises a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable; - a tank adapted to accommodate the water filter cartridge therein and to provide a first reservoir for holding unfiltered water; and - a vessel adapted to provide a second reservoir for holding filtered water, wherein the tank is removably attached to the vessel in a manner that the tank is accommodated within the vessel, wherein when the water filtration apparatus is in use, the unfiltered water from the tank enters the container through the lid, the unfiltered water is filtered by the water filtration substances to produce the filtered water, and the filtered water exits from a second end of the container that is opposite to the first end into the vessel.
  11. 11. A water filtration apparatus of claim 10, wherein a first surface of the second end of the container includes a recess and an attachment tab within the recess, and wherein the tank includes a protrusion and an attachment recess in the protrusion, further wherein the attachment tab is adapted to be accommodated in the attachment recess, while the protrusion is adapted to be accommodated in the recess, to securely attach the water filter cartridge in the tank of the water filtration apparatus.
  12. 12. A water filtration apparatus of claim 10 or 11, further comprising 10 a covering for a first end of the vessel, wherein the covering includes at least an indicator of a usage lifetime of the water filter cartridge.
  13. 13. A water filtration apparatus of claim 10, 11, or 12, wherein the vessel comprises at least one of: a spout, a handle.
  14. 14. A method for filtering water using a water filter cartridge, the water filter cartridge comprising a lid and a container, the lid being detachably attached to a first end of the container, the container being capable of accommodating therein water filtration substances that are replaceable, the method comprising: installing the water filter cartridge in a water filtration apparatus; - adding unfiltered water in the water filtration apparatus, wherein the unfiltered water passes through the lid into the container, the unfiltered water is filtered by the water filtration substances to produce filtered water; and collecting the filtered water in the water filtration apparatus as the 25 filtered water exits from a second end of the container that is opposite to the first end.
  15. 15. A method of claim 14, further comprising replacing the water filtration substances in the container by: - detaching the lid from the first end of the container to open the water filter cartridge; - removing existing water filtration substances present in the container and then adding new water filtration substances in the container; and - attaching the lid to the first end of the container to close the water filter cartridge.
GB2200727.2A 2022-01-20 2022-01-20 Water filter cartridge, filtration apparatuses, and methods for filtering Pending GB2615071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2200727.2A GB2615071A (en) 2022-01-20 2022-01-20 Water filter cartridge, filtration apparatuses, and methods for filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2200727.2A GB2615071A (en) 2022-01-20 2022-01-20 Water filter cartridge, filtration apparatuses, and methods for filtering

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GB2615071A true GB2615071A (en) 2023-08-02

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120061312A1 (en) * 2010-09-10 2012-03-15 Lvd Acquisition, Llc Reusable filter cartridge
US20140263020A1 (en) * 2013-03-15 2014-09-18 Greenlife Water Corp. Refillable Liquid Filter Apparatus
WO2019023242A1 (en) * 2017-07-25 2019-01-31 Deangelo Regina Apparatus for filtering water

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Publication number Priority date Publication date Assignee Title
US20120061312A1 (en) * 2010-09-10 2012-03-15 Lvd Acquisition, Llc Reusable filter cartridge
US20140263020A1 (en) * 2013-03-15 2014-09-18 Greenlife Water Corp. Refillable Liquid Filter Apparatus
WO2019023242A1 (en) * 2017-07-25 2019-01-31 Deangelo Regina Apparatus for filtering water

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magy357, YouTube video, "Brita cartridge refilling", 30 Dec 2014. https://www.youtube.com/watch?v=cRYlW8ei0Eg *
Phox Water Facebook Page. https://en-gb.facebook.com/phoxwater/ *
Pure Pods, Amazon sales page *

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