[go: up one dir, main page]

WO2006017818A2 - Chauffe-eau et procede de montage d'un corps de chauffe dans un chauffe-eau - Google Patents

Chauffe-eau et procede de montage d'un corps de chauffe dans un chauffe-eau Download PDF

Info

Publication number
WO2006017818A2
WO2006017818A2 PCT/US2005/028078 US2005028078W WO2006017818A2 WO 2006017818 A2 WO2006017818 A2 WO 2006017818A2 US 2005028078 W US2005028078 W US 2005028078W WO 2006017818 A2 WO2006017818 A2 WO 2006017818A2
Authority
WO
WIPO (PCT)
Prior art keywords
heating element
flange
water heater
mounting device
mounting
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.)
Ceased
Application number
PCT/US2005/028078
Other languages
English (en)
Other versions
WO2006017818A3 (fr
Inventor
Kenneth A. Bradenbaugh
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 MX2007001503A priority Critical patent/MX2007001503A/es
Priority to CA002575576A priority patent/CA2575576A1/fr
Publication of WO2006017818A2 publication Critical patent/WO2006017818A2/fr
Publication of WO2006017818A3 publication Critical patent/WO2006017818A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances

Definitions

  • the invention relates generally to a method and apparatus for mounting heating elements in a water heater. More specifically, the invention relates to a method and apparatus for assuring a particular orientation of the heating element within the water heater.
  • a storage-type water heater typically comprises a permanently enclosed water tank, a cylindrical shell coaxial with and radially spaced apart from the water tank to form an annular space between the outer wall of the water tank and the inner wall of the shell, and insulating material in at least a portion of the annular space for providing thermal insulation to the water tank.
  • the water tank has various appurtenances such as inlet, outlet, and drain fittings.
  • the water heater is provided with a water heating and temperature control system, In electric water heaters, the water heating and temperature control system includes one or more electrical resistance heating elements.
  • the water tank has tank characteristics that are used in determining the thermal profile of the tank.
  • the tank characteristics may include, but are not limited to, tank diameter, tank height, tank storage capacity, etc.
  • the tank characteristics determine heating convection current flow patterns within the tank that create different temperature water strata layers in the tank.
  • Another characteristic that determines heating convection current flow patterns is the placement and position of the heating element in the tank. Some heating element positions improve the current flow patterns in the tank. It is thus desirable to mount the heating element within the tank in a position that maximizes the current flow patterns within the tank to increase the efficiency of the water heater.
  • the invention provides a water heater that rests in relation to the floor.
  • the water heater includes a water tank having a wall, a mounting device coupled to the wall of the water tank, and a heating element coupled to the mounting device.
  • the heating element includes a greatest cross-sectional area and cooperates with the mounting device such that coupling the heating element to the mounting device ensures the greatest cross-sectional area of the heating element is level with respect to the floor.
  • the mounting device is threaded and the heating element includes mating threads
  • at least one of the heating element and the wall of the tank includes an identification mark such that aligning the identification mark in a predetermined position results in the greatest cross-sectional area of the heating element being level with respect to the floor
  • the mounting device includes a mounting flange and the heating element includes a heating element flange that cooperates with the mounting flange.
  • the water heater includes a resilient gasket placed between the cooperating mounting flange and heating element flange, and a compression element is coupled to the mating flanges, compressing the gasket therebetween to form a water-tight seal between the mounting flange and heating element flange.
  • the invention also provides for a method of installing a heating element in a fluid heating apparatus.
  • the method includes providing a fluid tank within the fluid heating apparatus, the fluid tank having a wall, coupling a mounting device to a wall of the fluid tank, and coupling a heating element to the mounting device to ensure that the greatest cross- sectional area of the heating element is level with respect to the floor.
  • FIG. 1 is a sectional view of a water heater embodying aspects of the invention.
  • Fig. 2 is a top view of a heating element for use in the water heater of Fig. 1.
  • Fig. 3 is a side view of the heating element of Fig. 2.
  • Fig. 4 is a top exploded sectional view of the water heater of Fig. 1 illustrating the heating element coupled to a mounting device.
  • Fig. 5 A is an end view of a single-start threaded connector.
  • Fig. 5B is a side view of the threaded connector of Fig. 5 A.
  • Fig. 6A is an end view of a two-start threaded connector.
  • Fig. 6B is a side view of the threaded connector of Fig. 6 A.
  • Fig. 7 A is an end view of a three-start threaded connector.
  • Fig. 7B is a side view of the threaded connector of Fig. 7 A.
  • Fig. 8 A is an end view of a four-start threaded connector.
  • Fig. 8B is a side view of the threaded connector of Fig. 8 A.
  • Fig. 9 is an end view of the heating element of Fig. 2, illustrating an identification mark.
  • Fig. 10 is a partial exploded perspective view of another construction of a water heater embodying aspects of the invention.
  • Fig. 11 is an enlarged view taken along line 11-11 of Fig. 10.
  • Fig. 12 is an enlarged view of an alternate mounting device capable of being used with the water heater of Fig. 10.
  • Fig. 1 shows a sectional view of an electric water heater 10 comprising a vessel.
  • the vessel is defined as one of an enclosed water tank 11 or a shell 12 surrounding the water tank 11.
  • Foam insulation 13 fills the annular space between the water tank 11 and the shell 12.
  • a water inlet line or dip tube 14 and a water outlet line 15 enter the top of the water tank 11.
  • the water inlet line 14 has an inlet opening 22 for adding cold water near the bottom of the water tank 11.
  • the water outlet line 15 has an outlet opening 24 for withdrawing hot water from near the top of the water tank 11.
  • the water heater 10 is configured to rest on a support surface, such as the floor 25. hi the illustrated construction, the water heater 10 includes an axis A that is substantially perpendicular to the floor 25.
  • a heating element 16 extends through the wall of the water tank 11.
  • the heating element 16 is an electric resistance heating element.
  • other types of heating elements can be used. The mounting of the heating element 16 to the wall of the water tank 11 will be described in more detail below.
  • the temperature control circuitry controls the heating of the water.
  • the temperature control circuitry includes a controller (in control box 17), a temperature sensor assembly 18, and the heating element 16.
  • the temperature control circuitry includes a burst control circuit for providing power to the resistance heating element in bursts. The details of a burst control circuit are described in U.S. Patent No. 6,633,726, entitled METHOD OF CONTROLLING THE TEMPERATURE OF WATER IN A WATER HEATER, issued October 14, 2003, the entire disclosure of which is incorporated herein by reference.
  • the temperature control circuitry can use other circuitries and other methodologies for heating the water.
  • the temperature control circuitry in control box 17 includes a programmable real time clock. Peak or off-peak energy demand periods or vacation operation cycles are programmed into the control cycle for the heating element. Additionally, a pressure sensor, temperature sensor, mineral deposit sensor and/or sensor for detecting the presence of water could be added. In one method of operation of the water heater 10, the control circuit is programmed to disconnect power from the heating element when predetermined conditions or limits are detected. [0029] Referring again to Fig. 1, the temperature sensor assembly 18 is coupled to the outer wall of the water tank 11 to sense the temperature of water in the tank 11. The temperature sensor assembly can include one or more thermistors for sensing the temperature of the water in the tank 11.
  • the thermistors When multiple thermistors are used, the thermistors are placed throughout the tank to measure water temperature at a plurality of locations, and the output of the thermistors can be averaged.
  • the temperature sensor assembly can use other types of temperature sensors and can be simply a single sensor.
  • the temperature sensor assembly 18 is connected to the controller, for example, by an electrical wire 19.
  • the controller is a known control system in the art that is in communication with the heating element 16 and the temperature sensor assembly 18 and generates a signal controlling the heating element in response to the temperature sensed by the sensor assembly 18.
  • the controller can include an integrated circuit, a programmable device, discrete circuit elements, a processor and memory that are software driven, and similar components.
  • the controller may include a switching element (not shown), such as a thyristor or a triac, to selectively power the heating element.
  • Electric alternating current (A.C.) power is supplied to the water heater 10 through line 20.
  • a customizable operator interface (not shown) can be mounted on the outside of the water heater to permit communication with the controller and provides security protected access for control of the heating element.
  • the operator interface may be operable to provide direct or remote control of the heating element.
  • Fig. 2 illustrates the heating element 16 in more detail.
  • the heating element 16 of the illustrated embodiment is substantially U-shaped when viewed from the top.
  • any shape of heating element such as a round or circular loop, a flat helix design, a serpentine pattern, or other shapes, can be used with the water heater 10.
  • the heating element 16 includes a greatest cross-sectional area 26, best shown in Fig. 2.
  • the heating element 16 also includes a heating element flange 28 that mates with a mounting flange 30 of a mounting device 32 coupled to a wall of the water tank 11.
  • flange means not only a traditional mechanical flange, but any mount on the heating element that mates with a mount on the mounting device to assist in coupling the heating element 16 to the tank 11.
  • the heating element flange 28 includes threads 34.
  • the heating element 16 further includes an electrical connector portion 36 that includes electrical contacts 40 (also shown in Fig. 9) that are in communication with the controller for controlling the heating of the water in the tank 11.
  • a gasket is also coupled to the heating element 16.
  • the gasket is a compressible O-ring 44 that can be made of any temperature-tolerant resilient material, such as neoprene, silicone, rubber, etc. It is understood that the gasket can be of any configuration and/or material that is capable of providing a resilient seal between the heating element 16 and the mounting device 32. The function of the O-ring 44 will be discussed in more detail below.
  • a mounting device 32 is coupled to a wall of the water tank 11.
  • the mounting device 32 is generally welded to a wall of the tank 11 and is configured to receive the heating element 16.
  • the mounting device 32 includes the mounting flange 30 having threads 48 that mate with the threads 34 of the heating element 16. Threading the heating element 16 into the mounting device 32 also functions to compress the O-ring 44 therebetween to form a water-tight seal between the mounting device 32 and the heating element 16.
  • the threads 48 of the mounting flange 30 and the mating threads 34 of the heating element 16 are multi-lead or multi-start threads.
  • Figs. 5A and 5B illustrate an end view and a side view of a single-start threaded connector 50. When looking at a single-start threaded connector 50 in an end view, the threads form an offset circular shape.
  • a two-start threaded connector 52 will have a somewhat oval or football shape in an end view
  • a three-start threaded connector 54 will have a tri-oval shape
  • a four-start threaded connector 56 will have a four-cornered shape in the end view.
  • the heating element 16 also includes an identification mark that assists a user in coupling the heating element 16 to the mounting device 32 when a particular heating element orientation within the tank 11 is desired.
  • the identification mark is an arrow 64 that indicates a particular heating element orientation.
  • the arrow 64 is pointed upward with respect to the floor 25, and may include the word "Up" inside the arrow to indicate to a person installing the heating element 16 in the tank 11 what the final orientation of the heating element 16 should be. It is understood that in other constructions utilizing an identification mark, other types of marks could be used, so long as the identification mark assists in the installation of the heating element to obtain the desired final orientation of the heating element 16 in the tank 11.
  • an identification mark may also be placed on the outside of the wall of the tank 11 instead of, or in conjunction with, the identification mark on the heating element for the same purpose.
  • the identification mark on the heating element could be a straight line mark or the bottom half of a shape (such as a semi-circle) that needs to be matched with a mating mark (e.g., a second straight line or semi-circle) found on the water tank 11 to obtain the desired final orientation of the heating element 16.
  • the desired final orientation of the heating element 16 within the tank 11 is such that the greatest cross-sectional area 26 of the heating element 16 is level with respect to the floor 25, as shown in Figs. 1 and 4.
  • level means that the heating element 16 is at least substantially parallel to the ground in an upright water heater such as illustrated in Fig. 1 and that slight variations from absolute level are possible due to mechanical tolerances and slight variations in the floor and still fall within the definition of "level.”
  • the greatest cross-section 26 of the heating element 16 is preferably substantially perpendicular to the axis A of the water heater 10.
  • the level orientation results in better thermal transfer from the heating element 16 to the water in the tank 11 because the greatest cross-section 26 of the heating element 16 is exposed to convection currents within the water, thereby improving the efficiency of the convection currents. This results in an improved recovery time for the water heater 10, and increases the overall efficiency of operation of the water heater 10.
  • FIG. 10 and 11 illustrate an alternate construction of a mounting device 70.
  • Like reference numerals will be given to like parts as appropriate.
  • the heating element 16 includes a heating element flange 74 that mates with a mounting flange 78 of the mounting device 70.
  • Each of the heating element flange 74 and mounting flange 78 have a plurality of apertures 82, 84 that align with each other when the heating element flange 74 is coupled to the mounting flange.
  • the apertures are configured to receive a fastener 86 therethrough. It is understood that the fastener could be a screw, a bolt, a weldment, a rod, or any other appropriate mechanical fastening system.
  • five apertures 82, 84 are spaced at points around the flanges to receive up to five fasteners 86 therethrough to couple the heating element 16 to the tank 11.
  • any number of apertures and fasteners can be used to couple the heating element 16 to the tank 11.
  • a circular resilient gasket 90 is also provided to fit between the heating element flange 74 and mounting flange 78.
  • the gasket 90 includes apertures 94 that align with the apertures 82, 84 in the flanges.
  • the heating element 16 is coupled to the mounting device by aligning the apertures 82, 84 in the heating element flange 74 and mounting flange 78 with the apertures 94 in the gasket 90.
  • the fasteners 86 are placed through the apertures to couple the heating element 16 to the tank 11.
  • the fasteners 86 are tightened to compress the gasket 90 between the flanges, forming a water-tight seal between the heating element 16 and the tank. In this way, the fasteners 86 function as a compression element, compressing the gasket 90 to form the seal.
  • the pattern of apertures 82, 84, 94 in the heating element flange 74, mounting flange 78, and gasket 90, respectively, function as an identification mark to assist in the installation of the heating element 16 to obtain the desired level orientation of the heating element 16 discussed in detail above. If the pattern of apertures 82 on the heating element flange 74 is matched to the pattern of apertures 84 on the mounting flange 74 when the heating element is installed, the heating element 16 of Figs. 10 and 11 will be mounted within the tank 11 such that the greatest cross-sectional area 26 is level with respect to the floor 25. By matching the pattern of apertures 82 on the heating element flange 74 to the pattern of apertures 84 on the mounting flange 78 and the gasket 90, the operator ensures that the heating element 16 will be mounted with the desired orientation within the tank 11.
  • FIG. 12 illustrates yet another alternate construction of a mounting device 100.
  • Like reference numerals will be given to like parts where appropriate.
  • the heating element 16 includes a non-threaded heating element flange 104 that mates with a non-threaded mounting flange 108 of the mounting device 100.
  • the heating element flange 104 and the mounting flange 108 are generally cylindrical in shape.
  • the heating element flange 104 is slightly smaller in diameter than the mounting flange 108 such that the heating element flange 104 fits within the mounting flange 108 to couple the heating element 16 to the tank 11. It is understood that in other embodiments, the mounting flange might have a smaller diameter such that the mounting flange fits within the heating element flange.
  • the mounting flange 108 and the heating element flange 104 are designed such that the flanges will only cooperate with each other in a predetermined position to ensure that the heating element 16 is coupled to the tank 11 in the desired orientation (i.e., the heating element 16 is level with respect to the floor 25).
  • the mounting flange 108 includes a protrusion 112 and the heating element flange includes a channel 116 that receives the protrusion 112 when the heating element 16 is coupled to the mounting device 100. Aligning the protrusion 112 and the channel 116 to couple the heating element 16 to the tank 11 ensures the desired final orientation of the heating element.
  • the protrusion could be located on the heating element flange and the channel located on the mounting flange. It is also understood that other types of mating mechanisms could be used on the heating element flange and mounting flange to ensure the desired orientation.
  • the protrusion can be a bump that cooperates with a channel, a notch, or other aperture
  • the protrusion could be a rod, nail, screw, weldment, or bolt that is received by a notch, channel, or other aperture
  • the mating mechanism could be a ball and spring detent mechanism as is well known in the art.
  • multiple protrusions of various geometrical configurations could be used that fit within an aperture of mating geometric configuration.
  • a cylindrical gasket 120 is coupled to the heating element flange 104 such that when the heating element 16 is coupled to the mounting device 100, the gasket 120 fits between the heating element flange 104 and the mounting flange 108.
  • the gasket 120 includes a channel 124 that aligns with the channel 116 on the heating element flange 104 such that when coupled between the flanges, the channel 124 also receives the protrusion 112.
  • a compression element such as a clamp 128, is coupled to the outside of the mounting flange 108.
  • the clamp 128 of the illustrated construction is a hose clamp, but it is understood that in other constructions, other types of clamps, including other mechanical clamps, and other types of compression elements can be used.
  • the clamp 128 is tightened by turning screw 132 to compress the gasket 120 between the flanges 104, 108, providing a water-tight seal between the heating element 16 and the tank 11.
  • the mounting devices discussed above can also be utilized to perform a method of installing a heating element in a water heater.
  • the mounting device is coupled to a wall of the water tank 11, such as by welding, gluing, soldering, conventional fastening, or other known mechanical coupling methods.
  • the heating element flange is then mated with the mounting flange, coupling the heating element 16 to the mounting device to ensure that the greatest cross-sectional area 26 is level with respect to the floor 25. Coupling the heating element flange to the mounting flange compresses the flanges to form a water-tight seal between them.
  • coupling the flanges includes threading the heating element flange 28 into the mounting flange 30. Threading the flanges together also function to compress the O-ring 44 between the flanges, providing a water-tight seal between the flanges.
  • the method can also include aligning the identification mark (the arrow 64 in the illustrated embodiment) in the predetermined position to ensure the level orientation. It is understood that while in the illustrated construction the heating element 16 is manually installed, in other constructions the heating element can be automatically installed by a robot or other machinery, hi such constructions, the identification mark would be aligned by the machine to ensure the desired orientation.
  • coupling the flanges includes aligning the apertures 82, 84, and 94 of the heating element flange 74, the mounting flange 78, and the gasket 90 such that the gasket 90 fits between the heating element flange 74 and mounting flange 78.
  • the fasteners 86 are then inserted through the apertures and are tightened to couple the heating element 16 to the tank 11.
  • the tightening of the fasteners 86 compresses the gasket 90 between the flanges, providing a water-tight seal between the heating element 16 and the tank 11.
  • coupling the flanges includes placing the clamp 128 around the outside of the mounting flange 108, and placing the gasket 120 on the heating element flange 104 such that the channels 116, 124 are aligned.
  • the channel 116 of the heating element flange 104 is then mated with the protrusion 112 of the mounting flange 108 and the heating element flange 104 is inserted into the mounting flange 108 with the gasket 120 therebetween.
  • the clamp 128 is tightened down over the mated flanges, compressing the gasket 120 therebetween to form a water-tight seal between the heating element 16 and the tank 11.
  • the above-described methods and apparatus have been illustrated and described for use in a storage-type, electric water heater.
  • the methods and apparatus illustrated in Figs. 1-12 could also be used in other types of fluid heating apparatus and still fall within the scope of the present invention.
  • the mounting device and method of mounting could be used in a commercial or industrial coffee maker, or any other fluid heating apparatus having a tank that holds fluid to be heated, and where the heating element is coupled to the tank such that the heating element is exposed to the fluid within the tank. Utilizing the mounting device and method of mounting in any similar fluid heating apparatus would assist in the installation of the heating element in the tank to ensure the desired level orientation of the heating element within the fluid tank.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
  • Central Heating Systems (AREA)

Abstract

L'invention concerne un chauffe-eau et un procédé permettant d'installer un corps de chauffe dans un appareil de chauffage de fluide. Le chauffe-eau, qui comporte un réservoir d'eau comprenant une paroi, est posé en relation avec le sol, et on fixe un dispositif de montage sur la paroi du réservoir d'eau. Le chauffe-eau comprend en outre un corps de chauffe couplé au dispositif de montage, et possédant une surface de section maximale. Le corps de chauffe coopère avec le dispositif de montage de manière que le couplage du corps de chauffe avec le dispositif de montage permet d'assurer que la surface section maximale du corps de chauffe soit horizontale par rapport au sol.
PCT/US2005/028078 2004-08-05 2005-08-05 Chauffe-eau et procede de montage d'un corps de chauffe dans un chauffe-eau Ceased WO2006017818A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MX2007001503A MX2007001503A (es) 2004-08-05 2005-08-05 Calentador de agua y metodo para montar un elemento de calentamiento en un calentador de agua.
CA002575576A CA2575576A1 (fr) 2004-08-05 2005-08-05 Chauffe-eau et procede de montage d'un corps de chauffe dans un chauffe-eau

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/911,933 US20060029375A1 (en) 2004-08-05 2004-08-05 Water heater and method of mounting a heating element in a water heater
US10/911,933 2004-08-05

Publications (2)

Publication Number Publication Date
WO2006017818A2 true WO2006017818A2 (fr) 2006-02-16
WO2006017818A3 WO2006017818A3 (fr) 2006-10-26

Family

ID=35757512

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/028078 Ceased WO2006017818A2 (fr) 2004-08-05 2005-08-05 Chauffe-eau et procede de montage d'un corps de chauffe dans un chauffe-eau

Country Status (4)

Country Link
US (1) US20060029375A1 (fr)
CA (1) CA2575576A1 (fr)
MX (1) MX2007001503A (fr)
WO (1) WO2006017818A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9737414B2 (en) * 2006-11-21 2017-08-22 Vertebral Technologies, Inc. Methods and apparatus for minimally invasive modular interbody fusion devices
CN201885379U (zh) * 2010-11-26 2011-06-29 博西华电器（江苏）有限公司 电热水器
US9510953B2 (en) * 2012-03-16 2016-12-06 Vertebral Technologies, Inc. Modular segmented disc nucleus implant
CN105933997B (zh) * 2016-05-24 2022-11-04 平湖科能电器技术有限公司 一种安装电热管的法兰封装结构
USD917680S1 (en) * 2017-09-12 2021-04-27 Ian Derek Fawn-Meade Hot water tank powered titanium anode rod
EP4065901B1 (fr) * 2019-11-29 2025-01-01 Societe Commerciale et d'Engineering Dispositif de production de fluide chaud

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613312A (en) * 1950-11-02 1952-10-07 Westinghouse Electric Corp Heating apparatus
US3111572A (en) * 1960-06-08 1963-11-19 Wiegand Co Edwin L Electric immersion heater assembly
US3105893A (en) * 1960-09-12 1963-10-01 Electro Therm Electric heating element mounting assembly
US3193662A (en) * 1961-08-09 1965-07-06 Mc Graw Edison Co Immersion heater mounting
US3202796A (en) * 1963-03-26 1965-08-24 Wiegand Co Edwin L Electric heater assemblies
US3992608A (en) * 1975-10-01 1976-11-16 A. O. Smith Corporation Combination attachment for water heater electric heating element and thermostat
US4253009A (en) * 1979-04-02 1981-02-24 Jordan Chalmer C Heating element for water heater
US4730099A (en) * 1985-09-11 1988-03-08 Bleckmann Ingo Electrical liquid heating apparatus
US5159659A (en) * 1991-02-26 1992-10-27 Robertshaw Controls Company Hot water tank construction, electrically operated heating element construction therefor and methods of making the same
US5109474A (en) * 1991-02-26 1992-04-28 Robertshaw Controls Company Immersion heating element with conductive polymeric fitting
US5371831A (en) * 1992-10-07 1994-12-06 Water Heater Innovation, Inc. Electrical heating element assembly for water heater
US6028294A (en) * 1997-05-15 2000-02-22 Kim Hotstart Manufacturing Company Heater assembly
US5943984A (en) * 1997-05-29 1999-08-31 Bradford White Corporation Side inlet for a water heater
US6151448A (en) * 1999-01-29 2000-11-21 Allied Precision Industries, Inc. Electric heater for a livestock water tank
US6633726B2 (en) * 1999-07-27 2003-10-14 Kenneth A. Bradenbaugh Method of controlling the temperature of water in a water heater
US6210208B1 (en) * 1999-09-17 2001-04-03 Emerson Electric Company Quick connect terminal and terminal block

Also Published As

Publication number Publication date
MX2007001503A (es) 2007-06-11
WO2006017818A3 (fr) 2006-10-26
CA2575576A1 (fr) 2006-02-16
US20060029375A1 (en) 2006-02-09

Similar Documents

Publication Publication Date Title
US6577817B2 (en) Water heater
WO2005124007A1 (fr) Structure de montage d'element chauffant de machine a laver
US20060029375A1 (en) Water heater and method of mounting a heating element in a water heater
US4385723A (en) Connection assembly
CA2045862C (fr) Pince de liaisonnement et de mise a la terre
US6915069B2 (en) Temperature sensor assembly, water heater including the temperature sensor assembly, and method of sensing a temperature
WO2007034343A1 (fr) Dispositif permettant de preparer une boisson et comprenant un chauffe-eau
US20040018009A1 (en) Double heating device for coffee maker
US7446290B2 (en) Coffee maker and microwave oven and method for controlling the same
CN205403128U (zh) 无绳液体加热装置
CN205655470U (zh) 无绳液体加热装置
CN114688731B (zh) 电热水器
CN207370550U (zh) 烹饪器具
CN208371565U (zh) 杯体组件及豆浆机
CN216744901U (zh) 多胆式电热水器
AU2007216825A1 (en) Side port insert design for water heater
CN114688732B (zh) 内胆组件及电热水器
JPS60122853A (ja) 液体の電気加熱装置
KR102255770B1 (ko) 수중 히터의 과열방지장치
US20250230953A1 (en) Multi-voltage water heater appliance
CN221376738U (zh) 一种传感组件及储水设备
KR20020069632A (ko) 전기온수기
CN208382590U (zh) 壁挂炉热交换器卡扣式温控器装置
CN218009296U (zh) 分体式烹饪器具及其烹饪装置
CN115200214A (zh) 多胆式电热水器

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2575576

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: MX/a/2007/001503

Country of ref document: MX

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase