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WO2009003731A1 - Machine à laver le linge - Google Patents

Machine à laver le linge Download PDF

Info

Publication number
WO2009003731A1
WO2009003731A1 PCT/EP2008/051741 EP2008051741W WO2009003731A1 WO 2009003731 A1 WO2009003731 A1 WO 2009003731A1 EP 2008051741 W EP2008051741 W EP 2008051741W WO 2009003731 A1 WO2009003731 A1 WO 2009003731A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine
product
mixer
container
metering
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/EP2008/051741
Other languages
English (en)
Inventor
Daniele Favaro
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to BRPI0813790-0A2A priority Critical patent/BRPI0813790A2/pt
Priority to AU2008271488A priority patent/AU2008271488A1/en
Priority to US12/666,210 priority patent/US20100139328A1/en
Publication of WO2009003731A1 publication Critical patent/WO2009003731A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state

Definitions

  • the present invention relates to a laundry washing machine.
  • the present invention relates to a laundry washing machine of the type comprising a device for automatically dispensing and metering at least one laundering product.
  • washing machines of the above type are practically only used professionally, on account of the highly complex design of the automatic product dispensing and metering device, which makes the machine both expensive and difficult to use.
  • a laundry washing machine as claimed in Claim 1 and, preferably, in any one of the Claims depending directly or indirectly on Claim 1.
  • Figure 1 shows an operating block diagram of a preferred embodiment of the machine according to the present invention
  • Figure 2 shows a schematic detail of the Figure 1 machine
  • Figure 3 shows an operating block diagram of a variation of the Figure 1 machine
  • Figure 4 shows a schematic detail of the Figure 3 machine.
  • number 1 indicates as a whole a laundry washing machine comprising a wash tub 2 housing a perforated revolving laundry drum (not shown) ; and an automatic dispensing and metering device 3 for feeding measured quantities of laundering products, e.g. detergent, softener, freshener, etc., into tub 2.
  • laundering products e.g. detergent, softener, freshener, etc.
  • device 3 comprises a water circuit 4 closed by tub 2; two inlets 5 for respective products; and metering means 6, which are interposed between inlets 5 and circuit 4, and, as explained in detail below, inject measured quantities of products into circuit 4, when water flows along circuit 4, to feed a water-product mixture into tub 2.
  • circuit 4 comprises a delivery branch 7 extending from tub 2 to metering means 6 to supply metering means 6 with wash water from tub 2; and a return branch 8 extending from metering means 6 to tub 2 to feed a water-product mixture into tub 2.
  • Circuit 4 also comprises a pump 9 located along delivery branch 7 to pump water from tub 2 along circuit 4 via a solenoid valve 10, which is located along delivery branch 7, downstream from pump 9, and is activated by an external signal as a function of the programmed wash cycle.
  • Each inlet 5 is defined by a fast-fit connector to a respective container 11, which may be replaceable, as in the Figure 1 and 2 embodiment, or refillable, as in the Figure 3 and 4 embodiment.
  • containers 11 are housed in a pull-out drawer 12 formed in a base 13 of machine 1.
  • drawer 12 houses two side by side containers 11 (only one shown in Figure 2) defined, in the example shown, by respective disposable cans of enough product for numerous wash cycles.
  • Each inlet 5 (only one shown in Figure 2) is defined by the mouth of a respective tank 14 connectable to relative container 11 by a tap 15, the inlet of which is connected in fluidtight manner to an opening in container 11, before container 11 is placed inside drawer 12, and the outlet of which is connected in fluidtight manner to the mouth of tank 14 to connect container 11 to tank 14.
  • Tap 15 comprises a spring-operated valve normally set to a closed position (not shown) , and which is set to an open position (shown in Figure 2) by means of an external lever 16 hand-operated by the user once tap 15 is connected to tank 14, so container 11 can be connected and disconnected easily, with no leakage, and the product can be gravity-fed into tank 14 only after tap 15 is inserted through inlet 5.
  • metering means 6 are housed, together with container 11 and tank 14, inside drawer 12, and comprise, for each inlet 5, a pump 17 (Figure 2 shows pumps 17 of both containers 11); an intake conduit 18 connecting the inlet of pump 17 to relative tank 14; and a feed conduit 19 connecting the outlet of pump 17 to a mixer 21 via a one-way valve 20.
  • Mixer 21 to which both feed conduits 19 of relative pumps 17 are connected, defines a portion of circuit 4 connecting the outlet of delivery branch 7 to the inlet of return branch 8, and communicates on one side with delivery branch 7 via a one-way valve 22 to receive water from tub 2, in use, and on the other side with return branch 8 via a one-way valve 23 to feed a water-product mixture into tub 2.
  • Pumps 17 are controlled, as described below, by a central control unit 25 housed in a main body of machine 1 over base 13, and connected to pumps 17 by a multipole cable 24, which, together with delivery branch 7 and return branch 8, extends from the main body of machine 1 to base 13 through an outside sleeve, and through an extensible member located inside base 13 and outside drawer 12 to permit extension of cable 24 and branches 7 and 8 when drawer 12 is pulled out of base 13.
  • a central control unit 25 housed in a main body of machine 1 over base 13, and connected to pumps 17 by a multipole cable 24, which, together with delivery branch 7 and return branch 8, extends from the main body of machine 1 to base 13 through an outside sleeve, and through an extensible member located inside base 13 and outside drawer 12 to permit extension of cable 24 and branches 7 and 8 when drawer 12 is pulled out of base 13.
  • device 3 For each tank 14, device 3 comprises two optical level sensors 26 connected to central control unit 25 by multipole cable 24. Operation of machine 1 will now be described, as of the instant in which, on the basis of the programmed cycle of machine 1, a measured quantity of product, e.g. detergent, is to be added to the laundry.
  • a known external hydraulic circuit (not shown) feeds wash water into tub 2, an electric command, activated by the timer of machine 1, opens valve 10 and operates pump 9, which pumps water from tub 2 into circuit 4 at a high enough pressure to open valves 22 and 23 so the water flows through mixer 21.
  • valves 20 of respective feed conduits 19 prevent it from flowing into feed conduits 19 to respective pumps 17.
  • central control unit 25 activates the pump 17 connected to the detergent container 11 (hereinafter indicated 17a for the sake of clarity) .
  • pump 17a detergent is drawn from tank 14 along relative intake conduit 18 and injected along relative feed conduit 19 into mixer 21 at a high enough pressure to open valve 20.
  • mixer 21 the detergent mixes with the circulating water to form a water-detergent mixture, and is fed along return branch 8 into the laundry inside tub 2.
  • the detergent is metered automatically, by central control unit 25 controlling the operating time of pump
  • central control unit 25 stops pump 17a, thus cutting off detergent supply to mixer 21.
  • pump 9 continues pumping water along circuit 4 to remove all traces of detergent from mixer 21 and to flush circuit 4
  • valve 10 is closed, and water no longer flows along circuit 4.
  • sensors 26 transmit respective signals to central control unit 25, which disables respective pump 17 until container 11 is changed, and preferably also lights up a "no-product" alarm signal on a display of machine 1.
  • central control unit 25 is designed to operate pumps 17 of product tanks 14 simultaneously or successively, and to keep each pump 17 operating for the time taken to dispense the required amount of the relative product.
  • the two containers 11 housed inside drawer 12 are two refillable tanks (only one shown in Figure 4), each of which contains enough product for numerous wash cycles, is housed inside a support 27 integral with base 13, and has a tilting lid 28 to enable the user to top up the product .
  • each container 11 has a tubular opening 29, which, when the container 11 is housed in support 27 ( Figure 4), is inserted partly inside the initial portion of a channel 30 formed in support 27 and defining said inlet 5 for the product inside container 11.
  • Each opening 29 has a ball valve, which, when the container is housed in support 27 ( Figure 4), is held in an open position by a pin integral with support 27, and, when the container is detached from support 27 (not shown), e.g. for cleaning, closes opening 29 to prevent product leakage from the container.
  • metering means 6 comprise a hydropneumatic metering device 31, in turn comprising a cylinder 32, and a piston 33 slid by compressed air inside cylinder 32. More specifically, cylinder 32 is closed at one end, and, at the opposite end, is fitted through in fluidtight sliding manner with the rod of piston 33, an end portion of which, integral with the rod, mates in fluidtight manner with the lateral wall of cylinder 32, and divides cylinder 32 internally into a first chamber communicating with the delivery side of a compressor 34, and a closed second chamber housing a spring 35 compressed between the closed end of cylinder 32 and the end portion of piston 33.
  • piston 33 has an end portion, which mates in fluidtight sliding manner with the lateral wall of a tubular member to define, inside the tubular member, a variable-volume chamber 36, which, as explained in detail below, stores the measured amount of product drawn from container 11 by hydropneumatic metering device 31, pending injection into circuit 4.
  • chamber 36 communicates, on one side, with channel 30 via a one-way valve 37 only allowing product flow into chamber 36, and, on the other side, with mixer 21 via a feed channel 38 and a one-way valve 39 only allowing outflow of the product from chamber 36.
  • compressor 34 is housed in the main body of machine 1, and is connected to each hydropneumatic metering device 31 by a respective tube 40 to selectively feed compressed air to relative cylinders
  • an external command activates compressor 34, which feeds compressed air to cylinder 32 of container 11 of the product to be dispensed, e.g. detergent, so as to overcome the resistance of spring 35, slide piston 33 inwards of cylinder 32, and so increase the volume of chamber 36 and form a sufficiently low pressure inside chamber 36 to open valve 37 and feed the product into chamber 36.
  • compressor 34 which feeds compressed air to cylinder 32 of container 11 of the product to be dispensed, e.g. detergent, so as to overcome the resistance of spring 35, slide piston 33 inwards of cylinder 32, and so increase the volume of chamber 36 and form a sufficiently low pressure inside chamber 36 to open valve 37 and feed the product into chamber 36.
  • each metering means 6 - be it a pump 9 or a hydropneumatic metering device 31 - is associated with a respective container 11, and operates regardless of the presence or number of other metering means 6.
  • operation of machine 1 as described above also applies, regardless of whether device 3 comprises only one inlet 5 for one container 11, or more than two inlets 5 for respective containers 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Centrifugal Separators (AREA)
  • Accessories For Mixers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention porte sur une machine à laver le linge (1) comportant une cuve de lavage (2) et un dispositif automatique (3) pour distribuer et mesurer au moins un produit de lavage extrait d'un conteneur respectif (11) contenant une quantité suffisante de produit pour de nombreux cycles de lavage ; le dispositif (3) comportant au moins une entrée (5) pour le produit, un circuit d'eau (4) fermé par la cuve, et des moyens de mesure de produit (6) interposés entre l'entrée (5) et le circuit (4) pour injecter une quantité de produit mesurée de produit dans le circuit (4) lorsque de l'eau s'écoule le long du circuit (4).
PCT/EP2008/051741 2007-07-03 2008-02-13 Machine à laver le linge Ceased WO2009003731A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BRPI0813790-0A2A BRPI0813790A2 (pt) 2007-07-03 2008-02-13 Máquina de lavar roupas
AU2008271488A AU2008271488A1 (en) 2007-07-03 2008-02-13 Laundry washing machine
US12/666,210 US20100139328A1 (en) 2007-07-03 2008-02-13 Method of controlling a tumble laundry drier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07111681.8 2007-07-03
EP07111681A EP2011913B1 (fr) 2007-07-03 2007-07-03 Machine à laver le linge

Publications (1)

Publication Number Publication Date
WO2009003731A1 true WO2009003731A1 (fr) 2009-01-08

Family

ID=38656619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/051741 Ceased WO2009003731A1 (fr) 2007-07-03 2008-02-13 Machine à laver le linge

Country Status (10)

Country Link
US (1) US20100139328A1 (fr)
EP (1) EP2011913B1 (fr)
AT (1) ATE497046T1 (fr)
AU (1) AU2008271488A1 (fr)
BR (1) BRPI0813790A2 (fr)
DE (1) DE602007012225D1 (fr)
ES (1) ES2363705T3 (fr)
PL (1) PL2011913T3 (fr)
RU (1) RU2467108C2 (fr)
WO (1) WO2009003731A1 (fr)

Cited By (1)

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US20140041418A1 (en) * 2008-12-09 2014-02-13 Lg Electronics Inc. Washing machine system and washing method

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KR101482110B1 (ko) * 2008-05-23 2015-01-13 엘지전자 주식회사 세탁기
KR101491574B1 (ko) * 2008-10-31 2015-02-11 삼성전자 주식회사 세탁기
EP2251480B1 (fr) 2009-05-11 2017-11-29 Electrolux Home Products Corporation N.V. Machine à laver
EP3460120B1 (fr) * 2009-05-11 2023-07-12 Electrolux Home Products Corporation N.V. Machine à laver
EP2540902B1 (fr) * 2011-06-30 2020-05-13 Electrolux Home Products Corporation N.V. Machine à laver le linge
RU2563768C1 (ru) 2011-08-31 2015-09-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Устройство для обработки белья
KR101993223B1 (ko) 2012-10-10 2019-06-26 엘지전자 주식회사 의류처리장치
US9970147B2 (en) * 2013-02-06 2018-05-15 Electrolux Appliances Aktiebolag Laundry washing machine
WO2014121821A1 (fr) 2013-02-06 2014-08-14 Electrolux Appliances Aktiebolag Machine à laver le linge
US10815604B2 (en) * 2013-07-03 2020-10-27 Samsung Electronics Co., Ltd. Automatic detergent supply apparatus and washing machine having the same
DK3019066T3 (en) * 2013-07-08 2018-06-14 Arcelik As DISHWASHER, INCLUDING A CLEANING SYSTEM FOR A LIQUID / GEL-DETERGENT DOSING UNIT AND A CONTAINER UNIT
KR102296969B1 (ko) * 2014-03-21 2021-09-02 삼성전자주식회사 세탁기
DE102014105711A1 (de) * 2014-04-23 2015-10-29 Miele & Cie. Kg Verfahren zum Betreiben einer Waschmaschine und Waschmaschine
US10655264B2 (en) 2015-08-04 2020-05-19 Whirlpool Corporation Laundry treating appliance with internal housing
IT201600086018A1 (it) * 2016-08-18 2018-02-18 Illinois Tool Works Dispositivo ausiliario per l'erogazione di liquidi di lavaggio ad una lavatrice
CN108570827A (zh) * 2017-03-14 2018-09-25 青岛海尔滚筒洗衣机有限公司 一种洗衣机的洗涤剂盒及洗衣机
CN114108265A (zh) * 2020-09-01 2022-03-01 博西华电器（江苏）有限公司 洗衣机
US20220380962A1 (en) * 2021-05-26 2022-12-01 The Procter & Gamble Company Supply system for laundry treatment composition
KR102824502B1 (ko) * 2023-02-10 2025-06-25 엘지전자 주식회사 의류처리장치
KR102905072B1 (ko) * 2023-02-10 2025-12-29 엘지전자 주식회사 의류처리장치
KR20240125162A (ko) * 2023-02-10 2024-08-19 엘지전자 주식회사 의류처리장치
US12448720B1 (en) 2024-11-21 2025-10-21 Guiseppe S. Scionti Dispensing system and method of use

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EP0196398A2 (fr) * 1985-03-28 1986-10-08 ELTON CHEMICAL S.p.A. Dispositif pour délivrer des quantités dosées de produits liquides à un utilisateur
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
US20140041418A1 (en) * 2008-12-09 2014-02-13 Lg Electronics Inc. Washing machine system and washing method
US9689104B2 (en) * 2008-12-09 2017-06-27 Lg Electronics Inc. Washing machine system and washing method

Also Published As

Publication number Publication date
PL2011913T3 (pl) 2011-11-30
ES2363705T3 (es) 2011-08-12
EP2011913B1 (fr) 2011-01-26
RU2010116501A (ru) 2011-11-10
US20100139328A1 (en) 2010-06-10
BRPI0813790A2 (pt) 2014-12-30
AU2008271488A1 (en) 2009-01-08
DE602007012225D1 (de) 2011-03-10
RU2467108C2 (ru) 2012-11-20
ATE497046T1 (de) 2011-02-15
EP2011913A1 (fr) 2009-01-07

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