EP0077463A2 - Vorrichtung zur Zugabe flüssigen Spülmittels in eine Waschmaschine - Google Patents
Vorrichtung zur Zugabe flüssigen Spülmittels in eine Waschmaschine Download PDFInfo
- Publication number
- EP0077463A2 EP0077463A2 EP82108366A EP82108366A EP0077463A2 EP 0077463 A2 EP0077463 A2 EP 0077463A2 EP 82108366 A EP82108366 A EP 82108366A EP 82108366 A EP82108366 A EP 82108366A EP 0077463 A2 EP0077463 A2 EP 0077463A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine
- chamber
- tub
- container
- distributor
- 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.)
- Withdrawn
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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
- This invention relates to a liquid detergent distributor for a washing machine, particularly for a domestic washing machine.
- Washing machines of a conventional design may be provided with a distributor for liquid detergents and/or other additives, comprising a container of adequate capacity for containing such additives, located in a lower part of the machine below the washing tub thereof and communicating with at least one subjacent metering chamber through valve means adapted to control the gravity flow of the liquid additives from said container towards said metering chamber.
- Two separate tubes connect the metering chamber to said washing tub and to a compressed air source, respectively, via a control element adapted to be controlled manually or automatically by means of the program control unit of the machine (cf. FR-PS 1,269,281 and US-PS 3,021,702).
- the liquid detergent enclosed in said container is adapted to actuate said valve means by its own weight so as to fill said metering chamber up to a predetermined level.
- the control element is actuated in such a manner that the metering chamber communicates with said compressed air source solely during predetermined phases of the operating cycle of the machine, during which the introduction of the liquid detergent or additive into the tub is required.
- the pneumatic pressure is effective to displace said valve means so as to interrupt the communication between said chamber and said container and to expell said detergent or additive from said metering chamber towards said washing tub.
- control element On completion of this operation the control element is returned to its original position so as to interrupt the communication with the pressurized air source and to permit replenishment of said metering chamber with a further charge of the detergent for consumption in a further phase of the operating cycle.
- a satisfactory operation of the washing machine would not either be obtainable by connecting a metering chamber of the above described type to a pressurized liquid source, particularly to the pressurized water supply source of the washing machine.
- a pressurized liquid source particularly to the pressurized water supply source of the washing machine.
- the pressurized liquid introduced into the metering chamber containing the liquid detergent or additive would effectively displace such detergent towards the washing tub disposed above the metering chamber, it would be difficult to discharge the introduced liquid from the metering chamber. This would in effect require the employ of an additional discharge pump, whereby the construction of the liquid distributor would be further complicated.
- a liquid distributor of this type generally comprises a storage container located in the lower part of the machine and associated with a metering chamber disposed therebelow, communication of said container with said chamber being adapted to be controlled by automatic resilient valve means, said chamber being connected to a water supply source and to the washing tub of said machine.
- a distributor of the above defined type is characterized according to the invention in that said metering chamber contains a resiliently biased diaphragm dividing said chamber into two hermetically separated compartments each of which is connected to said washing tub of said machine.
- Shown in fig. 1 is a conventional washing machine 3 comprising a washing tub 4 surrounding a rotatable drum 5 for containing clothes and the like to be washed and accessible through a hinged door 6 at the forward portion of the machine.
- tub 4 The upper portion of tub 4 is connected to a detergent distributor 7 which is divided into several compartments for containing various detergents and the like required for successive phases of the washing program.
- the bottom portion of tub 4 is connected to a discharge outlet via a pump 8 and a flexible discharge hose 9.
- a distributor Located in a lower part of the machine, i.e. below the water level A in tub 4, is a distributor according to the invention, comprising a large-capacity container 10 accessible through a forward facing door 11 and/or a charging opening (not shown) for the introduction of a liquid additive, and a metering chamber 12 disposed below container 10 of smaller capacity than the latter and separated therefrom by a partition 13.
- Partition 13 is formed with a through-opening 14 adapted to contain a poppet valve 15 having a limited vertical stroke.
- Poppet valve 15 has an enlarged head portion 16 of a resilient material adapted to open and close opening 14 in the lowered and raised positions of poppet valve 15, respectively for permitting and interrupting, respectively, the gravity flow of the liquid additive contained in container 10 into metering chamber 12.
- a flexible diaphragm 17 contained in metering chamber 12 is biased downwards by a spring 18 acting between diaphragm 17 and partition 13.
- Diaphragm 17 is addaptd to cooperate with poppet valve 15 in a manner to be described below, and has its peripheral rim portion fixedly attached to the interior wall surface 19 of chamber 12, so as to divide the latter into two hermetically separated compartments 20 and 21.
- the washing machine is connected to a water supply by means of a conduit 22 provided with a double-acting magnetic valve 23 for selective communication with distributor 7 via a conduit 24 and with compartment 21 of metering chamber 12 via a further conduit 25.
- conduits 26 and 27 are further provided two conduits 26 and 27, both of which have one end connected to detergent distributor 7, and the other end to compartments 20 and 21, respectively.
- Conduits 26 and 27 serve to transfer to tub 4 the liquid additives and water, respectively, previously introduced into compartments 20 and 21, respectively, in the manner to be described.
- Fig. 1 shows the above described washing machine with the present liquids distributor in its rest position. Diaphragm 17 is maintained in its lower end position by spring 18, and poppet valve 15 assumes its lowered position, permitting gravity flow of the liquid additive contained in container 10 through opening 14 into compartment 20 until the latter is filled and static equilibrium attained.
- compartment 20 may be filled several times before container 10 is empty and has to be filled with a further charge of the liquid additive.
- conduit 25 is closed, so that no water flows into compartment 21 to actuate diaphragm 17 for pumping the liquid additive from compartment 20 into tub 4.
- the preliminary and main washing phases are carried out under the control of its program unit, controlling the flow of water into tub 4 via conduit 24 and distributor 7, together with granular or liquid detergents contained therein.
- the program unit permits the flow of water through conduit 25, as shown in fig. 2. Under these conditions, water entering compartment 21 displaces diaphragm 17 upwards against the bias of spring 18, whereby the liquid additive contained in compartment 20 is displaced towards tub 4 via conduit 27.
- poppet valve 15 is raised until its head portion 16 engages partition 13, closing opening 14 and thus preventing the return of the liquid additive into container 10.
- the program unit maintains valve 23 in the actuated state for a predetermined period, so that the liquid additive is automatically transferred to tub 4 in the manner described.
- valve 23 deactivates valve 23, whereupon diaphragm 17 is returned to its lowered rest position by spring 18, displacing the water contained in compartment 21 towards tub 4 via conduit 26.
- compartment 20 is filled with a further charge of the liquid additive in preparation for a further operating cycle of the machine.
- the magnetic valve 23 may thus be activated once or several times for predetermined periods, depending on the amount of liquid additives to be introduced into tub 4.
- container 10 may be divided into separate chambers for receiving therein the various liquid additives.
- Each of these chambers would have to be provided with a separate poppet valve and diaphragm located therebelow and operating in the above described manner for separately introducing the various liquid additives into the tub as required.
- the described washing machine with the liquid additive distributor according to the invention is thus cappable of reliable and simple operation without the employ of an additional compressor or pressure source as required for this purpose in known washing machines, resulting in a reduced energy consumption and a simplified construction of the machine.
- the described distributor is moreover capable of automatically introducing into the washing tub accurately metered amounts of liquid additives, irrespective of the specific gravity and viscosity of the additives.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Measuring Volume Flow (AREA)
- Washing And Drying Of Tableware (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT45730/81A IT1147142B (it) | 1981-10-15 | 1981-10-15 | Distributore di liquidi per macchine lavabiancheria |
IT4573081 | 1981-10-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0077463A2 true EP0077463A2 (de) | 1983-04-27 |
EP0077463A3 EP0077463A3 (de) | 1984-06-06 |
Family
ID=11257831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82108366A Withdrawn EP0077463A3 (de) | 1981-10-15 | 1982-09-10 | Vorrichtung zur Zugabe flüssigen Spülmittels in eine Waschmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0077463A3 (de) |
ES (1) | ES8308947A1 (de) |
IT (1) | IT1147142B (de) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0096260A1 (de) * | 1982-06-09 | 1983-12-21 | INDUSTRIE ZANUSSI S.p.A. | Dosier- und Speisevorrichtung für Waschmaschinen |
DE4109757A1 (de) * | 1991-03-25 | 1992-10-08 | Baasch Elke | Verkleidung fuer eine whirlpool-badewanne |
WO1998027858A2 (de) * | 1996-12-23 | 1998-07-02 | Henkel-Ecolab Gmbh & Co. Ohg | Unabhängige dosiersteuerung für waschmaschinen |
WO2003023121A1 (en) * | 2001-09-11 | 2003-03-20 | Arçel K A. . | A liquid washing agent dosing unit |
WO2008120930A2 (en) | 2007-03-31 | 2008-10-09 | Lg Electronics Inc. | Washing machine and method of controlling the same |
EP2145040A1 (de) * | 2007-02-27 | 2010-01-20 | LG Electronics Inc. | Waschmaschine |
EP2708635A1 (de) * | 2012-09-17 | 2014-03-19 | LG Electronics, Inc. | Wäschebehandlungsvorrichtung |
CN106894203A (zh) * | 2017-02-27 | 2017-06-27 | 无锡小天鹅股份有限公司 | 液体投放装置和具有其的衣物处理设备 |
US10273624B2 (en) | 2011-08-31 | 2019-04-30 | Lg Electronics Inc. | Laundry treating apparatus having holding portion and detergent introduction portion |
USD848692S1 (en) | 2017-12-21 | 2019-05-14 | Whirlpool Corporation | Bulk dispensing drawer |
USD865306S1 (en) | 2017-12-21 | 2019-10-29 | Whirlpool Corporation | Laundry treating appliance door |
USD866887S1 (en) | 2017-12-21 | 2019-11-12 | Whirlpool Corporation | Pedestal |
WO2020012027A1 (en) * | 2018-07-13 | 2020-01-16 | Xeros Limited | Apparatus and method for treating a substrate with solid particles |
USD874764S1 (en) | 2017-12-21 | 2020-02-04 | Whirlpool Corporation | User interface |
USD899720S1 (en) | 2017-12-21 | 2020-10-20 | Whirlpool Corporation | Laundry treating appliance |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849159A (en) * | 1955-07-18 | 1958-08-26 | Marshfield Mfg Company | Solenoid-actuated dispenser |
FR1269281A (fr) * | 1960-06-30 | 1961-08-11 | Blanchisseries Et Teintureries | Dispositif doseur de liquide |
US3021702A (en) * | 1960-06-23 | 1962-02-20 | Gen Electric | Treating agent dispenser system for laundry machines |
US3049132A (en) * | 1957-04-05 | 1962-08-14 | Colston Ltd C | Washing machine |
DE1215657B (de) * | 1959-06-18 | 1966-05-05 | August Klueber Appbau Wasserau | Vorrichtung zum Einfuehren einer Zusatzfluessigkeit in einen intermittierend ausfliessenden Hauptstrom |
FR2146469A1 (de) * | 1971-07-21 | 1973-03-02 | Colged Snc Costruzioni | |
CH561902A5 (en) * | 1973-12-17 | 1975-05-15 | Bolla Ernesto Lino | Additive injection into rinsing and washing plant lines - double piston injection valve uses existing feed water pressure |
DE2611493A1 (de) * | 1976-03-18 | 1977-09-22 | Provera Gmbh | Dosiergeraet fuer fluessigkeiten mit einstellbarer dosiermenge insbesonder fuer hausgeraete |
FR2372265A1 (fr) * | 1976-11-29 | 1978-06-23 | Unilever Nv | Appareil doseur pour introduire une dose de produit liquide dans un courant de liquide |
DE2808898A1 (de) * | 1978-03-02 | 1979-09-06 | Aweco App & Geraetebau Kg | Dosiervorrichtung fuer fluessigkeiten, insbesondere fluessige wasch- oder pflegemittel bei wasch- oder geschirrspuelmaschinen |
DE2919302A1 (de) * | 1979-05-14 | 1980-11-27 | Senkingwerk Gmbh Kg | Dosiereinrichtung fuer fluessige medien |
-
1981
- 1981-10-15 IT IT45730/81A patent/IT1147142B/it active
-
1982
- 1982-09-10 EP EP82108366A patent/EP0077463A3/de not_active Withdrawn
- 1982-10-06 ES ES516280A patent/ES8308947A1/es not_active Expired
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849159A (en) * | 1955-07-18 | 1958-08-26 | Marshfield Mfg Company | Solenoid-actuated dispenser |
US3049132A (en) * | 1957-04-05 | 1962-08-14 | Colston Ltd C | Washing machine |
DE1215657B (de) * | 1959-06-18 | 1966-05-05 | August Klueber Appbau Wasserau | Vorrichtung zum Einfuehren einer Zusatzfluessigkeit in einen intermittierend ausfliessenden Hauptstrom |
US3021702A (en) * | 1960-06-23 | 1962-02-20 | Gen Electric | Treating agent dispenser system for laundry machines |
FR1269281A (fr) * | 1960-06-30 | 1961-08-11 | Blanchisseries Et Teintureries | Dispositif doseur de liquide |
FR2146469A1 (de) * | 1971-07-21 | 1973-03-02 | Colged Snc Costruzioni | |
CH561902A5 (en) * | 1973-12-17 | 1975-05-15 | Bolla Ernesto Lino | Additive injection into rinsing and washing plant lines - double piston injection valve uses existing feed water pressure |
DE2611493A1 (de) * | 1976-03-18 | 1977-09-22 | Provera Gmbh | Dosiergeraet fuer fluessigkeiten mit einstellbarer dosiermenge insbesonder fuer hausgeraete |
FR2372265A1 (fr) * | 1976-11-29 | 1978-06-23 | Unilever Nv | Appareil doseur pour introduire une dose de produit liquide dans un courant de liquide |
DE2808898A1 (de) * | 1978-03-02 | 1979-09-06 | Aweco App & Geraetebau Kg | Dosiervorrichtung fuer fluessigkeiten, insbesondere fluessige wasch- oder pflegemittel bei wasch- oder geschirrspuelmaschinen |
DE2919302A1 (de) * | 1979-05-14 | 1980-11-27 | Senkingwerk Gmbh Kg | Dosiereinrichtung fuer fluessige medien |
Cited By (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0096260A1 (de) * | 1982-06-09 | 1983-12-21 | INDUSTRIE ZANUSSI S.p.A. | Dosier- und Speisevorrichtung für Waschmaschinen |
DE4109757A1 (de) * | 1991-03-25 | 1992-10-08 | Baasch Elke | Verkleidung fuer eine whirlpool-badewanne |
WO1998027858A2 (de) * | 1996-12-23 | 1998-07-02 | Henkel-Ecolab Gmbh & Co. Ohg | Unabhängige dosiersteuerung für waschmaschinen |
WO1998027858A3 (de) * | 1996-12-23 | 1998-09-03 | Henkel Ecolab Gmbh & Co Ohg | Unabhängige dosiersteuerung für waschmaschinen |
US6349440B1 (en) | 1996-12-23 | 2002-02-26 | Henkel Ecolab Gmbh & Co., Ohg | Independent dosing control system for washing machines |
WO2003023121A1 (en) * | 2001-09-11 | 2003-03-20 | Arçel K A. . | A liquid washing agent dosing unit |
EP2145040A4 (de) * | 2007-02-27 | 2010-04-07 | Lg Electronics Inc | Waschmaschine |
EP2145040A1 (de) * | 2007-02-27 | 2010-01-20 | LG Electronics Inc. | Waschmaschine |
US8006522B2 (en) | 2007-02-27 | 2011-08-30 | Lg Electronics Inc. | Liquid detergent dispensing system for a washing machine |
KR101362783B1 (ko) * | 2007-02-27 | 2014-02-12 | 엘지전자 주식회사 | 세탁기 |
EP2142697A2 (de) * | 2007-03-31 | 2010-01-13 | Lg Electronics Inc. | Waschmaschine und betriebsverfahren dafür |
US8739578B2 (en) | 2007-03-31 | 2014-06-03 | Lg Electronics Inc. | Washing machine with a liquid detergent mixer |
EP2142697A4 (de) * | 2007-03-31 | 2012-12-05 | Lg Electronics Inc | Waschmaschine und betriebsverfahren dafür |
WO2008120930A2 (en) | 2007-03-31 | 2008-10-09 | Lg Electronics Inc. | Washing machine and method of controlling the same |
US10273624B2 (en) | 2011-08-31 | 2019-04-30 | Lg Electronics Inc. | Laundry treating apparatus having holding portion and detergent introduction portion |
CN105002702A (zh) * | 2012-09-17 | 2015-10-28 | Lg电子株式会社 | 衣物处理机 |
US10190251B2 (en) | 2012-09-17 | 2019-01-29 | Lg Electronics Inc. | Laundry treating apparatus having a detergent supply module |
CN104641032A (zh) * | 2012-09-17 | 2015-05-20 | Lg电子株式会社 | 具有辅助的洗涤剂供应模块的衣物处理机 |
EP2894249A1 (de) * | 2012-09-17 | 2015-07-15 | LG Electronics Inc. | Wäschebehandlungsvorrichtung |
EP2905369A1 (de) * | 2012-09-17 | 2015-08-12 | LG Electronics Inc. | Wäschebehandlungsvorrichtung |
EP2708633A1 (de) * | 2012-09-17 | 2014-03-19 | LG Electronics, Inc. | Wäschebehandlungsvorrichtung |
JP2015531648A (ja) * | 2012-09-17 | 2015-11-05 | エルジー エレクトロニクス インコーポレイティド | 衣類処理装置 |
US9217218B2 (en) | 2012-09-17 | 2015-12-22 | Lg Electronics Inc. | Laundry treating apparatus having a detergent supply module |
US9528216B2 (en) | 2012-09-17 | 2016-12-27 | Lg Electronics Inc. | Laundry treating apparatus having a detergent supply module |
US9540755B2 (en) | 2012-09-17 | 2017-01-10 | Lg Electronics Inc. | Laundry treating apparatus having a detergent supply module |
EP2708635A1 (de) * | 2012-09-17 | 2014-03-19 | LG Electronics, Inc. | Wäschebehandlungsvorrichtung |
EP2708634A1 (de) * | 2012-09-17 | 2014-03-19 | LG Electronics Inc. | Wäschebehandlungsvorrichtung |
US10081901B2 (en) | 2012-09-17 | 2018-09-25 | Lg Electronics Inc. | Laundry treating apparatus having a detergent supply module |
WO2018153017A1 (zh) * | 2017-02-27 | 2018-08-30 | 无锡小天鹅股份有限公司 | 液体投放装置和具有其的衣物处理设备 |
CN106894203A (zh) * | 2017-02-27 | 2017-06-27 | 无锡小天鹅股份有限公司 | 液体投放装置和具有其的衣物处理设备 |
CN106894203B (zh) * | 2017-02-27 | 2020-05-19 | 无锡小天鹅电器有限公司 | 液体投放装置和具有其的衣物处理设备 |
USD848692S1 (en) | 2017-12-21 | 2019-05-14 | Whirlpool Corporation | Bulk dispensing drawer |
USD865306S1 (en) | 2017-12-21 | 2019-10-29 | Whirlpool Corporation | Laundry treating appliance door |
USD866887S1 (en) | 2017-12-21 | 2019-11-12 | Whirlpool Corporation | Pedestal |
USD874764S1 (en) | 2017-12-21 | 2020-02-04 | Whirlpool Corporation | User interface |
USD899720S1 (en) | 2017-12-21 | 2020-10-20 | Whirlpool Corporation | Laundry treating appliance |
USD900418S1 (en) | 2017-12-21 | 2020-10-27 | Whirlpool Corporation | Laundry treating appliance |
USD958479S1 (en) | 2017-12-21 | 2022-07-19 | Whirlpool Corporation | Laundry treating appliance |
WO2020012027A1 (en) * | 2018-07-13 | 2020-01-16 | Xeros Limited | Apparatus and method for treating a substrate with solid particles |
US11299839B2 (en) | 2018-07-13 | 2022-04-12 | Xeros Limited | Apparatus and method for treating a substrate with solid particles |
Also Published As
Publication number | Publication date |
---|---|
IT8145730A0 (it) | 1981-10-15 |
ES516280A0 (es) | 1983-10-01 |
ES8308947A1 (es) | 1983-10-01 |
IT1147142B (it) | 1986-11-19 |
EP0077463A3 (de) | 1984-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: INDUSTRIE ZANUSSI S.P.A. |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
17P | Request for examination filed |
Effective date: 19841116 |
|
R17P | Request for examination filed (corrected) |
Effective date: 19841116 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19860123 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: CARGNEL, GIUSEPPE |