EP0602572A1 - Waschmittelbehälter für flüssige und/oder puderförmige Waschmittel, insbesondere für Waschmaschinen - Google Patents

Waschmittelbehälter für flüssige und/oder puderförmige Waschmittel, insbesondere für Waschmaschinen Download PDF

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Publication number
EP0602572A1
EP0602572A1 EP93120020A EP93120020A EP0602572A1 EP 0602572 A1 EP0602572 A1 EP 0602572A1 EP 93120020 A EP93120020 A EP 93120020A EP 93120020 A EP93120020 A EP 93120020A EP 0602572 A1 EP0602572 A1 EP 0602572A1
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EP
European Patent Office
Prior art keywords
lever
dispenser device
washing
profile
movement
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.)
Granted
Application number
EP93120020A
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English (en)
French (fr)
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EP0602572B1 (de
Inventor
Daniele Cerruti
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.)
Eltek SpA
Original Assignee
Eltek SpA
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Filing date
Publication date
Application filed by Eltek SpA filed Critical Eltek SpA
Publication of EP0602572A1 publication Critical patent/EP0602572A1/de
Application granted granted Critical
Publication of EP0602572B1 publication Critical patent/EP0602572B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer

Definitions

  • the present invention refers to dispenser device for liquids and/or powder agents for a washing machine, in particular a dispenser device for a domestic dish-washing machine, of the type comprising a first and a second delivery device for washing agents which have to be introduced in a washing chamber during distinct moments and/or washing phases.
  • dispenser devices having two distinct compartments is very common, being able to deliver different washing agents, such as liquid and/or powder detergents and additives; such devices are provided for carrying out the delivery of the detergents, normally in powder form, and of the additives, generally a brightening liquid, at different predetermined times, under the control of the programmer, or timer, of the dish-washing machine.
  • washing agents such as liquid and/or powder detergents and additives
  • additives such devices are provided for carrying out the delivery of the detergents, normally in powder form, and of the additives, generally a brightening liquid, at different predetermined times, under the control of the programmer, or timer, of the dish-washing machine.
  • the dispenser device is normally composed by at least one container, housed in the front loading door of the machine, comprising a single-dose cell equipped with a small oscillating lid, which is made to open at the appropriate moment of the washing phase.
  • Certain devices in addition to the cited single-dose cell, which contains the powder detergent, also present a dosage tub for a liquid additive (connected to a tank reservoir); such dispensers of liquid agents exploit in general the opening and closure movement of the front loading door, which is horizontal when open and vertical when closed, for loading the liquid additive from the tank reservoir to the dosage tub; also in this case the timer of the machine provides to command the discharge, at the opportune moment, of the liquid additive from the dosage tub to the washing chamber of the dish-washing machine.
  • dispenser devices have been realised, being equipped with a plurality of actuators, each of which being able to command a delivery operation; such solutions therefore provide separate actuation devices for the delivery in the washing chamber of the detergent and of the brightening liquid, with high costs and with double the possibilities of breakdowns.
  • the cited dispenser devices are equipped with means which provide for resetting the delivery cycle when the door is opened; said dispensers are therefore negatively effected by common operations carried out by the user (such as, for example, the addition of dishes in the machine after the beginning of the washing cycle, when the delivery of the powder detergent has already taken place): in this kind of situation, all the successive delivery phases in the same washing cycle result in being out of phase in respect to those provided for, with consequences which can be easily imagined.
  • the aim of the present invention is that of solving the cited drawbacks, and in particular to indicate a dispenser device having an actuating system which, together with its functionality, is of simple structure, low-cost and reliable in all the operating conditions.
  • a further aim of the present invention is then that of indicating a dispenser device the operation of which is not influenced by eventual openings of the loading door of the washing machine, during its operating cycle.
  • the subject of the present invention is a dispenser device for liquid and/or powder agents for a washing machine, in particular a dispenser device for a domestic dish-washing machine, of the type comprising a first and a second delivery device of washing agents which have to be introduced in a washing chamber in distinct moments and/or washing phases, the delivery of said washing agents being controlled through a command system comprising a single actuating device and a kinematic element for the actuation in different times of the first and of the second delivery device, characterised in that the kinematic element comprises a cam that, after a first actuation of the actuating device, determines a movement of the kinematic element being able to activate the functioning of the first delivery device without causing the functioning of the second delivery device, while after a second actuation of the actuating device, said cam determines a movement of the kinematic element being able to activate the functioning of the second delivery device.
  • the dispenser device subject of the present invention is indicated as a whole, which presents a box-like body 2, which can be housed in the door lining of a dish-washing machine.
  • a tank reservoir 3 for a liquid additive (for example a brightening liquid) and a cell 4 for containing a determined quantity of powder detergent are defined.
  • a dosage tub of the liquid additive to be delivered is indicated, which is inside of tank 3, being substantially in correspondence with a charging opening, normally closed by a removable plug 6; such a dosage tub 5 of the liquid additive has a conduit 7, which is tilted for facilitating the conveyance of the additive in the direction of a discharge hole 8, which faces on the washing chamber of the dish-washing machine.
  • such a conduit 7 is subdivided into two sectors having different inclinations, indicated with A and B, being separated by an interception valve 9; such a valve 9 operates in closure of conduit 7 by means of a pin 11A, which blocks a passage hole 11B.
  • Cell 4 which presents a wall having a tilted profile in order to facilitate the release via gravity of the powder detergent, is closed by a small lid 12; with 13 a spring is indicated, reacting between the box-like body 2 and the small lid 12, and being able to bring such a small lid 12 in the opening position when a small releasing lever 14 frees a tilted hooking tooth 15, directly obtained in the small lid 12 (see figure 1b).
  • a small shaft is indicated, which passes through body 2 of the device 1; the first end of such small shaft 16 is an integral part of the small releasing lever 14, while the opposite end is integral to a first lever 17, being placed in the rear part of body 2.
  • a second lever is also arranged, indicated as a whole with 18, being able to interact with first lever 17.
  • the small shaft 16 constitutes the fulcrum of lever 17: the first arm of such a lever 17 is arranged under the piston 19 of an electric actuator 20, being provided with terminals 21 for the electric supply; piston 19 is able to operate in thrust on the first arm of lever 17, in opposition to the force F1 generated by a spring 22, being fixed between body 2 and lever 17; on the other arm of lever 17, in proximity of its end, a pin 23 is present, comprising an element, for example of metallic material, being inserted partially in the lever 17 (such a pin 23 can also be obtained directly, as a protrusion of the lever 17 itself).
  • Second lever 18 is realised by a single piece in thermoplastic material, being substantially L-shaped, which has between its vertical part and its horizontal part an elastic hinge 24.
  • lever 18 The force F2 generated by a spring 25 acts on lever 18, being fixed between body 2 and lever 18; lever 18 is hinged in a point 10, in its horizontal part; on such a horizontal part of lever 18 the cited pin 11A being part of valve 9, is hooked in a point 18C (see figure 1a); said pin 11A can slide through an elastic membrane 26 and is maintained in the closure position of passage 11B by means of spring 25.
  • the functioning of the dispenser device according to invention is the following.
  • the user Before washing the dishes, the user provides to load in the opening 4 of the device 1 with the powder detergent: during the normal manual closing operation of the lid 12, upon the filling with a dose of the powder detergent, the particular inclined form of the hooking tooth 15 causes a partial rotation of the release lever 14; in such manner a partial rotation of the shaft 16 is produced and therefore of the lever 17; the mentioned movement of the lever 17 results in being calibrated in such a way that, if the pin 23 results in being erroneously positioned for the beginning of the washing cycle (as could be the case for example in figure 4), such pin 23 is automatically moved to the correct initial delivery position (that being seen in figure 2) vice versa, in the case in which the pin 23 is already positioned correctly (figure 2), the operation of closing the lid 12 does not cause any repositioning.
  • the user thus, after having filled the cell 4 with the powder detergent and closed the lid 12, can close the door of the washing machine.
  • a determined quantity of brightening liquid contained in the tank 3 is withheld in the dosage tub 5. Note the illustrated condition in the figures 2, 2a and 2b.
  • the user after having closed the door of the washing machine starts the washing program: in a determined successive moment, the programmer of the machine energises for the first time the electroactuator 20.
  • the piston 19 withdraws until reaching its original position: under the action of the spring 22, which operates in traction, also the lever 17 returns to its original position and the pin 23 moves in the cam profile 27, running along the left side from the top downwards, until assuming the position visible in figure 4b.
  • the profile 27 is shaped in a such a way that the pin 23, before arriving to the top dead center during the first actuation of the actuator 20, it presses on the same profile making the lever 18 bend in correspondence with the elastic hinge 24; descending along the left branch, the pin 23 presses against the profile 27, making the lever 18 bend towards the right, until it reaches the bottom dead center of the lever 17.
  • the powder detergent is thus introduced in the washing chamber as in the illustrated condition of Figures 4, 4a and 4b.
  • the programmer of the dish-washing machine commands a new supply to the electroactuator 20: the piston 19 moves once again downwards, deplacing the lever 17.
  • the pin 23 transmits the push of the lever 17 to the lever 18, in a longitudinal sense if compared to the bending point, or the hinge 24.
  • the horizontal portion of the lever 18 is also made to move, which, rotating around its fulcrum 10, causes the pin 11A to raise: the opening 11B is opened and the brightening liquid can flow down by way of gravity from the tub 5 to the washing tub of the washing machine, through the discharge opening 8; the elastic membrane 26 ensures the sealing, thus avoiding liquid losses from the tank 3 towards the exterior of the body 2.
  • the dispenser device according to the invention has a noticeable embodiment simplicity, high functionality and reliability in all conditions of use and an industrial cost being very contained.
EP93120020A 1992-12-16 1993-12-11 Waschmittelbehälter für flüssige und/oder puderförmige Waschmittel, insbesondere für Waschmaschinen Expired - Lifetime EP0602572B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITAL920004 1992-12-16
IT92AL000004A IT1265750B1 (it) 1992-12-16 1992-12-16 Dispositivo dispensatore di sostanze liquide e/o in polvere, in particolare per macchine di lavaggio

Publications (2)

Publication Number Publication Date
EP0602572A1 true EP0602572A1 (de) 1994-06-22
EP0602572B1 EP0602572B1 (de) 2002-07-17

Family

ID=11333317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93120020A Expired - Lifetime EP0602572B1 (de) 1992-12-16 1993-12-11 Waschmittelbehälter für flüssige und/oder puderförmige Waschmittel, insbesondere für Waschmaschinen

Country Status (3)

Country Link
EP (1) EP0602572B1 (de)
DE (1) DE69332114T2 (de)
IT (1) IT1265750B1 (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0719517A3 (de) * 1994-12-06 1997-05-07 Prealpina Tecnoplastica Dosierschublade für Geschirrspüler, die als einfach oder doppelt steuerbare Dosiervorrichtung verwendet werden kann
EP0780087A2 (de) 1995-12-21 1997-06-25 Bosch-Siemens HausgerÀ¤te GmbH Vorrichtung zur Zugabe von Reinigungsmitteln, insbesondere für Geschirrspülmaschinen
WO2001073182A2 (en) * 2000-03-29 2001-10-04 Eltek S.P.A. Washing agent dispensing device for a household washing machine, in particular a dishwasher
EP1226779A2 (de) * 2001-01-26 2002-07-31 ELTEK S.p.A. Waschmittelzugabevorrichtung für Haushaltwaschmaschine, insbesondere für Geschirrspülmaschine
WO2007017755A1 (en) * 2005-08-05 2007-02-15 Eletek S.P.A. Washing agent dispenser for a household washing machine, in particular a dishwasher
WO2007017749A1 (en) * 2005-08-05 2007-02-15 Eltek S.P.A. Actuation device and method
EP1847211A1 (de) * 2006-04-20 2007-10-24 Maytag Corporation Spender für einen schubladenartigen Geschirrspüler
EP2062521A2 (de) 2007-11-23 2009-05-27 Eltek S.p.A. Waschmittelspender für eine Haushaltswaschmaschine, insbesondere eine Geschirrspülmaschine
EP2062520A2 (de) 2007-11-23 2009-05-27 Eltek S.p.A. Waschmittelspender für eine Haushaltswaschmaschine, insbesondere eine Geschirrspülmaschine
US7837802B2 (en) 2006-04-25 2010-11-23 Lg Electronics Inc. Dishwasher and method of controlling the same
EP2478819A1 (de) * 2011-01-24 2012-07-25 T & P - S.p.A. Waschmittelspendervorrichtung für eine Waschmaschine für Haushaltszwecke, insbesondere einen Geschirrspüler, und Waschmaschine dafür
WO2012107886A1 (en) 2011-02-08 2012-08-16 Bitron S.P.A. Integrated device for dispensing washing agents for a washing machine, particularly a dishwashing
WO2012117090A1 (en) 2011-03-02 2012-09-07 Bitron Poland Sp. Z O.O. An integrated device for dispensing washing agents for a washing machine, in particular for a dishwashing machine
EP2976983A1 (de) 2014-07-24 2016-01-27 Indesit Company S.p.A. Substanzabgabevorrichtung für geschirrspülmaschinen
IT201900015746A1 (it) 2019-09-06 2021-03-06 Eltek Spa Dispositivo dispensatore di agenti di lavaggio per lavastoviglie
WO2021098167A1 (zh) * 2019-11-19 2021-05-27 佛山市顺德区美的洗涤电器制造有限公司 分配器及洗涤电器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8881748B2 (en) 2012-12-18 2014-11-11 Whirlpool Corporation Dishwasher detergent dispenser
PL3463030T3 (pl) * 2016-06-01 2020-10-05 Illinois Tool Works Inc. Napędzany silnikiem wewnątrz zmywarki do naczyń dozownik środka pomocniczego do mycia

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827600A (en) * 1972-01-10 1974-08-06 Whirlpool Co Apparatus for dispensing a liquid and another material
EP0005989A1 (de) * 1978-05-31 1979-12-12 Eaton S.A.M. Waschmittelspender für Waschmaschinen
FR2489858A1 (fr) * 1980-09-05 1982-03-12 Esswein Sa Ensemble distributeur de lessive et distributeur-doseur de produit liquide et machine a laver munie d'un tel ensemble
DE3304037A1 (de) * 1983-01-10 1984-07-12 Aweco Apparate- und Gerätebau GmbH & Co KG, 7995 Neukirch Vorrichtung fuer die zugabe bzw. dosierung von zwei detergentien
FR2593379A1 (fr) * 1986-01-29 1987-07-31 Elbi Int Spa Dispositif de distribution d'agents detergent et de rincage pour machine a laver la vaisselle
EP0360771A1 (de) * 1988-09-22 1990-03-28 Aktiebolaget Electrolux Steuervorrichtung für Geschirrspülmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827600A (en) * 1972-01-10 1974-08-06 Whirlpool Co Apparatus for dispensing a liquid and another material
EP0005989A1 (de) * 1978-05-31 1979-12-12 Eaton S.A.M. Waschmittelspender für Waschmaschinen
FR2489858A1 (fr) * 1980-09-05 1982-03-12 Esswein Sa Ensemble distributeur de lessive et distributeur-doseur de produit liquide et machine a laver munie d'un tel ensemble
DE3304037A1 (de) * 1983-01-10 1984-07-12 Aweco Apparate- und Gerätebau GmbH & Co KG, 7995 Neukirch Vorrichtung fuer die zugabe bzw. dosierung von zwei detergentien
FR2593379A1 (fr) * 1986-01-29 1987-07-31 Elbi Int Spa Dispositif de distribution d'agents detergent et de rincage pour machine a laver la vaisselle
EP0360771A1 (de) * 1988-09-22 1990-03-28 Aktiebolaget Electrolux Steuervorrichtung für Geschirrspülmaschine

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0719517A3 (de) * 1994-12-06 1997-05-07 Prealpina Tecnoplastica Dosierschublade für Geschirrspüler, die als einfach oder doppelt steuerbare Dosiervorrichtung verwendet werden kann
EP0780087A2 (de) 1995-12-21 1997-06-25 Bosch-Siemens HausgerÀ¤te GmbH Vorrichtung zur Zugabe von Reinigungsmitteln, insbesondere für Geschirrspülmaschinen
WO2001073182A2 (en) * 2000-03-29 2001-10-04 Eltek S.P.A. Washing agent dispensing device for a household washing machine, in particular a dishwasher
WO2001073182A3 (en) * 2000-03-29 2002-05-02 Eltek Spa Washing agent dispensing device for a household washing machine, in particular a dishwasher
EP1226779A2 (de) * 2001-01-26 2002-07-31 ELTEK S.p.A. Waschmittelzugabevorrichtung für Haushaltwaschmaschine, insbesondere für Geschirrspülmaschine
EP1226779A3 (de) * 2001-01-26 2003-05-14 ELTEK S.p.A. Waschmittelzugabevorrichtung für Haushaltwaschmaschine, insbesondere für Geschirrspülmaschine
US7823236B2 (en) 2005-08-05 2010-11-02 Eltek S.P.A Actuation device and method
WO2007017755A1 (en) * 2005-08-05 2007-02-15 Eletek S.P.A. Washing agent dispenser for a household washing machine, in particular a dishwasher
WO2007017749A1 (en) * 2005-08-05 2007-02-15 Eltek S.P.A. Actuation device and method
US7934623B2 (en) 2005-08-05 2011-05-03 Eltek S.P.A. Washing agent dispenser for a household washing machine, in particular a dishwasher
US7832417B2 (en) 2006-04-20 2010-11-16 Maytag Corporation Dispenser for a drawer-type dishwasher
EP1847211A1 (de) * 2006-04-20 2007-10-24 Maytag Corporation Spender für einen schubladenartigen Geschirrspüler
CN101069631B (zh) * 2006-04-25 2011-04-20 Lg电子株式会社 洗碗机及控制该洗碗机的方法
US7837802B2 (en) 2006-04-25 2010-11-23 Lg Electronics Inc. Dishwasher and method of controlling the same
EP2062520A3 (de) * 2007-11-23 2013-08-28 Eltek S.p.A. Waschmittelspender für eine Haushaltswaschmaschine, insbesondere eine Geschirrspülmaschine
EP2062521A2 (de) 2007-11-23 2009-05-27 Eltek S.p.A. Waschmittelspender für eine Haushaltswaschmaschine, insbesondere eine Geschirrspülmaschine
EP2062520A2 (de) 2007-11-23 2009-05-27 Eltek S.p.A. Waschmittelspender für eine Haushaltswaschmaschine, insbesondere eine Geschirrspülmaschine
EP2478819A1 (de) * 2011-01-24 2012-07-25 T & P - S.p.A. Waschmittelspendervorrichtung für eine Waschmaschine für Haushaltszwecke, insbesondere einen Geschirrspüler, und Waschmaschine dafür
ITTO20110051A1 (it) * 2011-01-24 2012-07-25 T & P Spa Dispositivo dispensatore di agenti di lavaggio per una macchina di lavaggio di uso domestico, in particolare una lavastoviglie, e relativa macchina di lavaggio
WO2012107886A1 (en) 2011-02-08 2012-08-16 Bitron S.P.A. Integrated device for dispensing washing agents for a washing machine, particularly a dishwashing
WO2012117090A1 (en) 2011-03-02 2012-09-07 Bitron Poland Sp. Z O.O. An integrated device for dispensing washing agents for a washing machine, in particular for a dishwashing machine
EP2976983A1 (de) 2014-07-24 2016-01-27 Indesit Company S.p.A. Substanzabgabevorrichtung für geschirrspülmaschinen
IT201900015746A1 (it) 2019-09-06 2021-03-06 Eltek Spa Dispositivo dispensatore di agenti di lavaggio per lavastoviglie
WO2021098167A1 (zh) * 2019-11-19 2021-05-27 佛山市顺德区美的洗涤电器制造有限公司 分配器及洗涤电器

Also Published As

Publication number Publication date
ITAL920004A1 (it) 1994-06-17
IT1265750B1 (it) 1996-12-02
DE69332114T2 (de) 2003-03-20
EP0602572B1 (de) 2002-07-17
DE69332114D1 (de) 2002-08-22
ITAL920004A0 (it) 1992-12-16

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