EP2672876B1 - Integriertes gerät zur abgabe von reinigungsmitteln in einer waschmaschine, insbesondere geschirrspülmaschine - Google Patents

Integriertes gerät zur abgabe von reinigungsmitteln in einer waschmaschine, insbesondere geschirrspülmaschine Download PDF

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Publication number
EP2672876B1
EP2672876B1 EP20120708935 EP12708935A EP2672876B1 EP 2672876 B1 EP2672876 B1 EP 2672876B1 EP 20120708935 EP20120708935 EP 20120708935 EP 12708935 A EP12708935 A EP 12708935A EP 2672876 B1 EP2672876 B1 EP 2672876B1
Authority
EP
European Patent Office
Prior art keywords
actuator
cover
releasing device
dispensing
detergent
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.)
Not-in-force
Application number
EP20120708935
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English (en)
French (fr)
Other versions
EP2672876A1 (de
Inventor
Giuseppe Marone
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.)
Bitron SpA
Original Assignee
Bitron SpA
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Filing date
Publication date
Application filed by Bitron SpA filed Critical Bitron SpA
Priority to PL12708935T priority Critical patent/PL2672876T3/pl
Publication of EP2672876A1 publication Critical patent/EP2672876A1/de
Application granted granted Critical
Publication of EP2672876B1 publication Critical patent/EP2672876B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/44Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/44Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409Devices 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 relates to a device for dispensing washing agents for a washing machine, particularly for a dishwasher.
  • the invention relates to a dispensing device of the kind defined in the preamble of claim 1.
  • One object of the present invention is to provide an improved dispensing device of the type defined above.
  • a further object of the invention is to provide a dispensing device of this type which can enable the dispensing of the detergent to be divided into stages, for example for a pre-wash stage and subsequently for the actual washing stage.
  • the associated detergent receptacle when the cover of the first releasing device is in the aforesaid pre-opening condition, the associated detergent receptacle remains substantially closed, and therefore the detergent is not released into the wash chamber of the machine. In this case, the complete dispensing of the detergent takes place as a result of the de-energization of the actuator immediately after the aforesaid first energization.
  • the associated detergent receptacle when the cover of the first releasing device is in the aforesaid pre-opening condition, the associated detergent receptacle is open, but to a lesser degree, such that only a limited quantity of the detergent contained therein can be dispensed into the wash chamber of the machine.
  • the dispensing of the detergent by the first releasing device is completed on the de-energization of the actuator immediately after the first energization.
  • the actuator remains energized between the first energization of the actuator and the immediately successive de-energization. It is also possible for the actuator to be made in such a way that a reduced amount of electrical energy is required to maintain its state of energization.
  • the number 1 indicates the whole of an integrated dispensing device for washing agents for a dishwasher, made according to the present invention.
  • the integrated dispensing device 1 comprises a housing 1a of moulded plastic material, in which a releasing device 2 for dispensing a detergent, particularly a powder detergent, and an adjacent second releasing device 3 for dispensing a rinsing agent are formed in a known way.
  • the releasing device 2 for the detergent comprises an essentially bowl-shaped receptacle 4 ( Figure 2 ) associated with a cover 5 ( Figure 1 ).
  • This cover is, for example, mounted rotatably about an axis indicated by A-A in Figure 1 .
  • the cover 5 could also be coupled to the body 1a in a translatable or rotatable-translatable way.
  • the cover 5 is associated with a resilient member such as a torsion spring which tends to cause the cover to move from the closed position shown in Figure 1 to an open position by oscillation about the axis A-A in the direction of the arrow B of Figures 1 and 3 .
  • a resilient member such as a torsion spring which tends to cause the cover to move from the closed position shown in Figure 1 to an open position by oscillation about the axis A-A in the direction of the arrow B of Figures 1 and 3 .
  • the releasing device 2 for the rinsing agent is also of a known type. It comprises a receptacle 6 ( Figure 2 ) for containing a quantity of rinsing agent corresponding to a plurality of doses.
  • shut-off valve indicated as a whole by 7 in Figures 2 , 5, 6 and 9 .
  • this valve which is normally closed, is interposed on a conduit adapted to enable the receptacle 6 to communicate with the wash chamber of the machine.
  • valve 7 is positioned near the lower part of the receptacle 6 for the rinsing agent.
  • valve 7 comprises a valve seat 8, and a plug 9 carried by an operating rod 10, whose axial position is controllable by means of an actuator device indicated as a whole by 11 ( Figures 2 , 5, 6 and 9 ).
  • the actuator 11 is of the electrically operable type and, as described more fully below, also controls the activation of the release device 2 for the detergent.
  • the actuator device 11 is of the solenoid type, and comprises a winding or solenoid 12, an associated frame 13 of material capable of conducting a magnetic flux, and a core 14 which is movable within the solenoid.
  • the frame 13 and the winding 12 are mounted in a fixed position in the housing 1a of the integrated dispensing device 1, these elements being conveniently inclined, in a substantially vertical plane, with respect to the horizontal direction, at an angle which is advantageously in the range from 30° to 60°, and preferably approximately 45°.
  • the core 14 is axially movable with respect to the above elements within the solenoid 12, in a corresponding inclined direction.
  • the frame 13 has an upper branch 13a in which an aperture 13b is formed.
  • a portion 13c of the frame 13, surrounding the aperture 13b, has an essentially trunco-conical outwardly projecting shape ( Figures 5, 6 and 9 ).
  • the end portion 14a of the core 14 facing the formation 13c of the frame 13 is also of essentially trunco-conical shape.
  • a point 15a of a lever 15 extends through the aperture 13b of the magnetic frame 13, the lever extending radially from the periphery of a shaft 16 mounted rotatably in the housing 1a of the integrated dispensing device 1 about a fixed axis indicated by C-C (see also Figure 3 ), in a position conveniently close to the axis A-A of oscillation of the cover 5.
  • a radial arm 17, terminating in a hammer head formation 18, extends from the shaft 16.
  • two retaining members 19 and 20 substantially parallel to and facing each other, of which the first is shorter than the second, extend from the cover 5 of the releasing device of the detergent 3.
  • These retaining elements 19 and 20 have respective bevelled retaining catches 19a, 20a at their distal ends, these catches essentially facing each other.
  • the hammer head formation 18 has two opposite bevelled ends 18a and 18b, facing the retaining element 19 and the retaining element 20 respectively.
  • the cover 5 of the releasing device 2 for the detergent is closed ( Figures 1 and 3 ) and the actuator 11 is de-energized ( Figure 5 )
  • the end 18a of the hammer head formation 18 is engaged with the catch 19a of the retaining element 19 of the cover 5, as shown in Figures 3 and 4 .
  • the hammer head formation 18 therefore retains the cover 5 in the closed condition.
  • the point 15a of the lever 15 bears on the end 14a of the movable core 14 until the actuator 11 is de-energized.
  • This core 14 is also coupled to the shut-off valve 7, in the way which will now be described with reference to Figures 5, 6 and 9 .
  • the lower end of the core 14 has a radially projecting disc-shaped formation 14b, which extends between two opposing retaining arms 21a extending from a plate-like element 21 which is integral with the operating rod 10.
  • the retaining arms 21a are essentially parallel to each other and to the axis of the core 14, and their distal ends are provided with respective retaining catches 21b which face each other.
  • a helical spring 22 tends to move the plate-like element 21 away from the actuator 11 by pushing it towards bearing surfaces formed by a casing 23 ( Figure 2 ) which encloses the whole device 11.
  • the terminal disc-shaped formation 14b of the core 14 extends between the plate-like element 21 and the retaining catches 21b, with an ample clearance in the direction of the axis of the core 14. Additionally, when the actuator 11 is de-energized ( Figures 2 and 5 ) the disc-shaped formation 14b bears against the plate-like element 21, in a position spaced apart from the retaining catches 21b.
  • the integrated dispensing device according to the invention as described above operates, essentially, in the following manner.
  • the integrated dispensing device is in the conditions shown in Figures 1 to 5 .
  • the cover 5 of the detergent releasing device is retained in the closed position by the engagement of the end 18a of the hammer head element 18 with the retaining catch 19a ( Figures 3 and 4 ), and the core 14 bears on the plate-like element 21 ( Figures 2 and 5 ), which is held against the stop surfaces of the casing 23 by the spring 22.
  • the valve 7 which controls the supply of the rinsing agent is closed.
  • a control unit for the operation of the dishwasher causes a first energization of the actuator 11 by sending a current to the solenoid 12.
  • the core 14 is then "pulled” upwards against the action of gravity.
  • the movement of the core 14 causes a rotation of the lever 15 (in the anticlockwise direction as seen by an observer of Figures 5 and 6 ) and a corresponding rotation of the shaft 16, together with the arm 17 and the associated hammer head formation 18.
  • the extent of the movement of the cover 5 depends on the length of the retaining element 20 relative to that of the retaining element 19.
  • the control unit of the machine causes the first de-energization of the solenoid 12.
  • the core 14 returns to the condition of Figures 2 and 5 , by gravity and/or by the action of resilient means associated with the lever 15, while the shaft 16 and the associated arms 15 and 17 rotate (in a clockwise direction as seen by an observer of Figures 5 and 6 ) under the action of an associated return spring (not shown).
  • the de-energization of the solenoid 12 of the actuator 11 does not change the condition of the control valve 7 for the dispensing of the rinsing agent, which remains closed.
  • the control unit of the dishwasher causes a second de-energization of the solenoid 12: the core 14 is again "pulled” upwards and causes a rotation of the lever 15, the shaft 16 and the arm 17 with the hammer formation 18.
  • This rotation of the arm 17 and of the hammer head formation 18 can now move through a greater angle than in the rotation resulting from the first energization of the solenoid 12, since the rotation of the hammer head formation 18 is no longer limited by the presence of the retaining element 20, 20a.
  • the second energization of the solenoid 12 therefore causes a greater upward travel of the core 14, such that its terminal disc-shaped formation 14b engages the catches 21b of the plate-like element 21 and pulls the latter, together with the shaft 10 and the plug 9, away from the valve seat 8.
  • the valve 7 is thus opened in order to dispense a dose of rinsing agent.
  • the cover 5 of the detergent releasing device can be returned manually to the closed position, after a new quantity of detergent has been placed in the associated receptacle 4 ( Figure 2 ).
  • the cover 5 is closed, the chamfers or bevels of the retaining catches 20a, 19a and the corresponding chamfers or bevels of the ends 18a, 18b of the hammer head formation 18 make it possible to restore the initial situation shown in Figures 3 and 4 .

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (5)

  1. Integrierte Abgabevorrichtung (1) zum Abgeben von Waschmitteln in einer Waschmaschine, insbesondere einer Geschirrspülmaschine, mit einer ersten Freigabevorrichtung (2) für ein Reinigungsmittel mit einem Behälter (4) für das Reinigungsmittel und einer zugeordneten zu öffnenden Abdeckung (5), und mit einer zweiten Freigabevorrichtung (3) für ein Spülmittel; wobei die Freigabevorrichtungen (2, 3) zu aufeinanderfolgenden Zeiten in einem Waschzyklus durch aufeinanderfolgende Versorgungen eines einzelnen elektrisch betreibbaren Betätigungselements (11) mit Energie aktiviert werden sollen, das mechanisch in einer Weise hiermit gekoppelt ist, dass eine erste Versorgung des Betätigungselements (11) mit Energie den Zustand der ersten Freigabevorrichtung (2) modifizieren kann, ohne den Zustand der zweiten Freigabevorrichtung (3) zu verändern, und eine darauffolgende Versorgung des Betätigungselements (11) mit Energie die Aktivierung der zweiten Freigabevorrichtung (3) bewirkt,
    wobei das Betätigungselement (11) ein Solenoid (12) beinhaltet, innerhalb dessen ein Kern (14) beweglich angebracht ist, und mit der Abdeckung (5) der ersten Freigabevorrichtung (3) durch einen außer Eingriff bringbaren und wieder in Eingriff bringbaren Haltemechanismus (17-20) gekoppelt ist, konfiguriert auf eine derartige Weise, dass eine erste Versorgung mit Energie und die darauffolgende fehlende Versorgung des Betätigungselements (11) mit Energie den Durchgang der Abdeckung (5) in einen Voröffnungszustand, bei dem das Reinigungsmittel nicht freigegeben wird oder in einer eingeschränkten Menge freigegeben wird, bzw. einen gesteigerten Öffnungszustand bewirkt;
    die integrierte Abgabevorrichtung (1) dadurch gekennzeichnet ist, dass sich der Haltemechanismus (17-20) in einer Region oberhalb des Behälters (4) für das Reinigungsmittel erstreckt und das Betätigungselement (11) sich derart von der Region schräg nach unten in Richtung der zweiten Freigabevorrichtung (3; 7) erstreckt, dass der zugeordnete Kern (14) in einer Richtung beweglich ist, die in Bezug auf die Horizontalrichtung geneigt ist.
  2. Abgabevorrichtung gemäß Anspruch 1, bei der das Betätigungselement (11) mit der Abdeckung (5) der ersten Freigabevorrichtung (2) durch einen Schwinghebel (15-17) gekoppelt ist, dessen einer Arm (17) eine Ineingriffnahmeausbildung (18) aufweist, die angepasst ist, um aufeinanderfolgend das erste bzw. das zweite Haltebauteil (19, 20) der Abdeckung (5) in Eingriff zu nehmen, wenn die Abdeckung (5) sich in dem geschlossenen Zustand bzw. dem Voröffnungszustand befindet.
  3. Abgabevorrichtung gemäß Anspruch 2, bei der die Ineingriffnahmeausbildung (18) im Wesentlichen wie ein Hammerkopf geformt ist und zwei Enden (18a, 18b) aufweist, die in Bezug auf den Arm (17) quer vorstehen.
  4. Abgabevorrichtung gemäß einem der vorherigen Ansprüche, bei der der Kern (14) mit einer Ventilvorrichtung (7) der zweiten Freigabevorrichtung (3) durch eine Antriebsvorrichtung (21, 10) gekoppelt ist, die angepasst ist, um die Öffnung der Ventilvorrichtung (7) nur dann zu erlauben, wenn sich das bewegliche Bauteil (14) um eine Entfernung bewegt, die einen vorbestimmten Wert überschreitet.
  5. Abgabevorrichtung gemäß Anspruch 4, bei der der obere Teil des Betätigungselements (11) mit der Abdeckung (5) gekoppelt ist, wobei der untere Teil des Betätigungselements (11) mit der zweiten Freigabevorrichtung (3) gekoppelt ist.
EP20120708935 2011-02-08 2012-02-08 Integriertes gerät zur abgabe von reinigungsmitteln in einer waschmaschine, insbesondere geschirrspülmaschine Not-in-force EP2672876B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12708935T PL2672876T3 (pl) 2011-02-08 2012-02-08 Zintegrowane urządzenie do dozowania środków myjących do maszyny myjącej, w szczególności do zmywarki do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2011A000101A IT1404048B1 (it) 2011-02-08 2011-02-08 Dispositivo erogatore integrato di agenti di lavaggio per una macchina lavatrice, in particolare una macchina lavastoviglie.
PCT/IB2012/050565 WO2012107886A1 (en) 2011-02-08 2012-02-08 Integrated device for dispensing washing agents for a washing machine, particularly a dishwashing

Publications (2)

Publication Number Publication Date
EP2672876A1 EP2672876A1 (de) 2013-12-18
EP2672876B1 true EP2672876B1 (de) 2015-05-20

Family

ID=43976433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120708935 Not-in-force EP2672876B1 (de) 2011-02-08 2012-02-08 Integriertes gerät zur abgabe von reinigungsmitteln in einer waschmaschine, insbesondere geschirrspülmaschine

Country Status (7)

Country Link
US (1) US20130306115A1 (de)
EP (1) EP2672876B1 (de)
KR (1) KR20140016261A (de)
CN (1) CN103369998B (de)
IT (1) IT1404048B1 (de)
PL (1) PL2672876T3 (de)
WO (1) WO2012107886A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20120379A1 (it) 2012-04-30 2013-10-31 Elbi Int Spa Gruppo combinato per l'erogazione di agenti di lavaggio e di ozono per una macchina lavatrice, in particolare una macchina lavastavoglie.
PL227509B1 (pl) * 2013-11-26 2017-12-29 Bitron Poland Spółka Z Ograniczoną Odpowiedzialnością Zintegrowany dozownik środka do mycia, w szczególności dla zmywarki do naczyń
WO2016075644A1 (en) 2014-11-12 2016-05-19 Bitron S.P.A. Washing agent dispensing device and dishwashing machine comprising this device
PL227422B1 (pl) * 2014-12-12 2017-11-30 Bitron Poland Spółka Z Ograniczoną Odpowiedzialnością Urzadzenie do dozowania srodka myjacego i srodka płuczacego, szczególnie do zmywarki do naczyn
ITUB20151329A1 (it) * 2015-05-29 2016-11-29 Bitron Spa Attuatore elettrico in corrente continua, in particolare per apparecchi elettrodomestici
CN105534460B (zh) * 2016-01-22 2019-10-18 宁波欧琳实业有限公司 水槽式清洗机
PL230510B1 (pl) * 2016-08-17 2018-11-30 Bitron Poland Spolka Z Ograniczona Odpowiedzialnoscia Urzadzenie dozujace srodek myjacy dla zmywarki do naczyn
DE102016125845A1 (de) * 2016-12-29 2018-07-05 Sanhua Aweco Appliance Systems Gmbh Vorrichtung zur Abgabe von Reinigungsmitteln
PL423109A1 (pl) * 2017-10-09 2019-04-23 Bitron Poland Spolka Z Ograniczona Odpowiedzialnoscia Urządzenie dozujące środek myjący, w szczególności do zmywarki do naczyń
WO2021098166A1 (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

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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
IT1239896B (it) * 1990-05-17 1993-11-15 Dispensatore di sostanze immagazzinate
DE59304706D1 (de) * 1992-01-21 1997-01-23 Miele & Cie Geschirrspülmaschine oder Waschmaschine mit einer Dosiervorrichtung
IT1265750B1 (it) 1992-12-16 1996-12-02 Eltek Spa Dispositivo dispensatore di sostanze liquide e/o in polvere, in particolare per macchine di lavaggio
IT1267190B1 (it) * 1994-12-07 1997-01-28 Elbi Int Spa Dispositivo per l'erogazione di detersivo e di un agente di risciacquo di una macchina lavastoviglie
IT1289806B1 (it) * 1996-12-27 1998-10-16 Elbi Int Spa Dispositivo per l'erogazione di agenti di lavaggio, per macchine lavastoviglie.
ITTO20030986A1 (it) * 2003-12-09 2005-06-10 Elbi Int Spa Dispositivo per l'erogazione dosata di un agente liquido di lavaggio o risciacquo, per una macchina lavatrice.
ITTO20050555A1 (it) * 2005-08-05 2007-02-06 Eltek Spa Dispositivo e metodo di attuazione
ITTO20070062U1 (it) * 2007-05-09 2008-11-10 Elbi Int Spa Dispositivo erogatore per un agente di lavaggio e/o di risciacquo, particolarmente per una macchina lavastoviglie e dotato di meccanismo di apertura manuale perfezionato
ITTO20070597A1 (it) * 2007-08-09 2009-02-10 Eltek Spa Dispositivo di attuazione
IT1391200B1 (it) * 2008-09-30 2011-11-18 Elbi Int Spa Dispositivo per l'erogazione di almeno un agente di lavaggio in una macchina lavastoviglie
IT1397289B1 (it) * 2009-12-02 2013-01-04 Elbi Int Spa Dispositivo per l'erogazione di un agente di lavaggio in una macchina lavatrice, in particolare una macchina lavastoviglie.

Also Published As

Publication number Publication date
ITTO20110101A1 (it) 2012-08-09
KR20140016261A (ko) 2014-02-07
PL2672876T3 (pl) 2015-10-30
US20130306115A1 (en) 2013-11-21
CN103369998B (zh) 2016-05-04
WO2012107886A8 (en) 2012-12-20
WO2012107886A1 (en) 2012-08-16
EP2672876A1 (de) 2013-12-18
IT1404048B1 (it) 2013-11-08
CN103369998A (zh) 2013-10-23

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