EP0918482B1 - Raccord hydraulique amovible ou vanne de repartition d'ecoulement pour lave-vaisselle menager - Google Patents

Raccord hydraulique amovible ou vanne de repartition d'ecoulement pour lave-vaisselle menager Download PDF

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Publication number
EP0918482B1
EP0918482B1 EP97932129A EP97932129A EP0918482B1 EP 0918482 B1 EP0918482 B1 EP 0918482B1 EP 97932129 A EP97932129 A EP 97932129A EP 97932129 A EP97932129 A EP 97932129A EP 0918482 B1 EP0918482 B1 EP 0918482B1
Authority
EP
European Patent Office
Prior art keywords
coupling
water
hydraulic coupling
pipe
dishwasher
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.)
Expired - Lifetime
Application number
EP97932129A
Other languages
German (de)
English (en)
Other versions
EP0918482A1 (fr
Inventor
Semsettih Eksert
Ufuk Askin
Paolo Ongania
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP0918482A1 publication Critical patent/EP0918482A1/fr
Application granted granted Critical
Publication of EP0918482B1 publication Critical patent/EP0918482B1/fr
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
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays

Definitions

  • this invention is related to the automatic household dishwasher, and in particular, to an improved mechanism for distributing water to the dish racks.
  • the conventional dishwasher contains a body in which the dish racks are placed. Dish racks glide in and out of the body of the dishwasher on slides attached to the inside walls of the dishwasher. Water is sprayed throughout the body of the dishwasher by way of a motor pump forcing water through pipes, which are connected to dishwasher blades.
  • This invention is related to a special coupling for the pipe system, in which one can adjust the height of the upper dish rack.
  • This special coupling provides better working conditions for the motor pump, as well as for the dishwasher blades. It also provides stabilization to the water flow, by connecting and disconnecting the pipes.
  • EP 0786231 A which falls under Article 54(3) EPC, discloses a hydraulic connection device for a dishwasher rack which can be positioned at different heights according to the preamble of claim 1.
  • An other hydraulic coupling of similar type is known for example from EP-A-401767.
  • figure 1 a cross-sectional view of the domestic dishwasher is shown.
  • the pipe (10) extending from the motor pump is fixed to the back wall of the dishwasher body, its only outlet being at point (15).
  • the coupling (12) has two water inlets; one is placed at the top, and it appears to be housed in the outlet (15); the other water intlet is placed at the bottom, and has a free support at point (14) (see section A-A), which is closed with a plate. Water flowing from the motor pump passes through the outlet (15) and reaches the upper dishwasher blade (8). Water flow applies pressure onto the plate, which in turn creates an airtight seal on the lower inlet of the coupling (12).
  • a safety ring (16) made of a thermoplastic material, was added. It is attached into a suitable slit on the outside of the outlet (15), and provides an airtight seal.
  • the upper dish rack In the second operating position, the upper dish rack is raised upwards to accommodate the space requirements of the kitchenware. Water flow comes from the outlet (15) and goes directly to the coupling of the pipe (11), pushing the plate (13) upward to create an airtight seal.
  • the plate (13) may have a second connection surface with the water inlets.
  • These surfaces are made of a soft plastic material or a thermoplastic material having the hardness to endure the impact that occurs when the coupling is working.
  • a non-inventive hollow sphere or a non-inventive solid sphere can also be used, instead of the plate.
  • the explicit weight of this sphere maintains the constant movement within the coupling (12), which is caused by the water flowing under pressure. Details of this are shown in figures 5 and 6.
  • the guide component (18) which is inserted with a trigger device, or welded within the coupling (15) has two functions. First, (see figure 6) it pushs the sphere (17) upwards to secure the water inlet in the coupling (12). Second, it provides for the correct positioning of the movable parts of the dish rack with the stable parts of the body.
  • This second function can also be used with the version of the present invention using plates (see figures 2, 3 and 4).
  • this invention is related to the automatic household dishwasher, and in particular, to an improved mechanism for distributing water to the dish racks.
  • the conventional dishwasher contains a body in which the dish racks are placed. Dish racks glide in and out of the body of the dishwasher on slides attached to the inside walls of the dishwasher. Water is sprayed throughout the body of the dishwasher by way of a motor pump forcing water through pipes, which are connected to dishwasher blades.
  • This invention is related to a special coupling for the pipe system, in which one can adjust the height of the upper dish rack.
  • This special coupling provides better working conditions for the motor pump, as well as for the dishwasher blades. It also provides stabilization to the water flow, by connecting and disconnecting the pipes.
  • EP 0786231A which falls under Article 54(3) EPC, discloses a hydraulic connection device for a dishwasher rack which can be positioned at different heights.
  • An other hydraulic coupling of similar type is known for example from EP-A-401767.
  • figure 1 a cross-sectional view of the domestic dishwasher is shown.
  • the pipe (10) extending from the motor pump is fixed to the back wall of the dishwasher body, its only outlet being at point (15).
  • the coupling (12) has two water inlets; one is placed at the top, and it appears to be housed in the outlet (15); the other water intlet is placed at the bottom, and has a free support at point (14) (see section A-A), which is closed with a plate. Water flowing from the motor pump passes through the outlet (15) and reaches the upper dishwasher blade (8). Water flow applies pressure onto the plate, which in turn creates an airtight seal on the lower inlet of the coupling (12).
  • a safety ring (16) made of a thermoplastic material, was added. It is attached into a suitable slit on the outside of the outlet (15), and provides an airtight seal.
  • the upper dish rack In the second operating position, the upper dish rack is raised upwards to accommodate the space requirements of the kitchenware. Water flow comes from the outlet (15) and goes directly to the coupling of the pipe (11), pushing the plate (13) upward to create an airtight seal.
  • the plate (13) may have a second connection surface with the water inlets.
  • These surfaces are made of a soft plastic material or a thermoplastic material having the hardness to endure the impact that occurs when the coupling is working.
  • a hollow sphere or a solid sphere can also be used, instead of the plate.
  • the explicit weight of this sphere maintains the constant movement within the coupling (12), which is caused by the water flowing under pressure. Details of this are shown in figures 5 and 6.
  • a guide component (38) is necessary to facilitate the closing of the upper water inlet.
  • the guide component (18) which is inserted with a trigger device, or welded within the coupling (15) has two functions. First, (see figure 6) it pushs the sphere (17) upwards to secure the water inlet in the coupling (12). Second, it provides for the correct positioning of the movable parts of the dish rack with the stable parts of the body.
  • This second function can also be used with the version using plates (see figures 2, 3 and 4).

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Cookers (AREA)
  • Valve Housings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Food-Manufacturing Devices (AREA)

Claims (5)

  1. Un accouplement hydraulique détachable (12) pour l'arroseur supérieur verticalement réglable d'un lave-vaisselle domestique comprenant deux entrées d'eau pour l'accouplement sélectif à la sortie d'un tuyau d'alimentation en eau (10), une sortie unique d'eau reliée au tube de connexion (11) de l'arroseur supérieur, une plaque mobile de répartition de l'écoulement (13) placée à l'intérieur du corps de l'accouplement (12), ladite plaque mobile (13) étant fixée au moyen de goupilles (14) à l'une des entrées d'eau ; et ladite plaque mobile (13) pouvant tourner vers le haut autour de ces goupilles (14) sous l'effet de la pression de l'eau entrante, de manière à créer un joint étanche à l'air, et à bloquer ainsi l'autre entrée d'eau, ledit accouplement (12) étant de préférence au surplus réuni de manière détachable à un composant de guidage destiné à être placé à l'intérieur du corps de l'accouplement (12), en vue du positionnement correct dudit accouplement (12) par rapport au tuyau d'alimentation (10), l'eau s'écoulant depuis l'entrée supérieure d'eau ayant pour effet que le courant d'eau applique une pression sur la plaque mobile (13), laquelle, à son tour, crée un joint étanche à l'air sur l'entrée inférieure de l'accouplement (12), tandis que l'eau s'écoulant depuis l'entrée inférieure d'eau a pour effet que le courant d'eau provenant de la sortie (15) du tuyau d'alimentation en eau (10) s'en va directement à l'accouplement du tuyau (11), en repoussant la plaque (13) vers le haut, en créant un joint étanche à l'air, caractérisé en ce que la plaque, dans sa position repoussée vers le haut, est maintenue presque parallèle à la direction du courant d'eau.
  2. Un accouplement hydraulique détachable (12) selon la Revendication 1, caractérisé en ce que l'accouplement hydraulique détachable (12) et la plaque de connexion (11) sont moulés en matière thermoplastique, et accouplés de manière à créer un joint étanche à l'air, cet accouplement étant réalisé par soudure par ultrasons ou par soudure par vibrations.
  3. Un accouplement hydraulique détachable (12A) selon la Revendication 1, caractérisé en ce que la section transversale et le rayon du système de connexion des tuyaux assurent un fonctionnement silencieux et sans turbulence.
EP97932129A 1996-07-17 1997-07-17 Raccord hydraulique amovible ou vanne de repartition d'ecoulement pour lave-vaisselle menager Expired - Lifetime EP0918482B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
TR96005/92 1996-07-17
TR9600592 1996-07-17
TR9600592 1996-07-17
PCT/TR1997/000012 WO1998002082A1 (fr) 1996-07-17 1997-07-17 Raccord hydraulique amovible ou vanne de repartition d'ecoulement pour lave-vaisselle menager

Publications (2)

Publication Number Publication Date
EP0918482A1 EP0918482A1 (fr) 1999-06-02
EP0918482B1 true EP0918482B1 (fr) 2004-10-27

Family

ID=21620871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97932129A Expired - Lifetime EP0918482B1 (fr) 1996-07-17 1997-07-17 Raccord hydraulique amovible ou vanne de repartition d'ecoulement pour lave-vaisselle menager

Country Status (6)

Country Link
EP (1) EP0918482B1 (fr)
AT (1) ATE280531T1 (fr)
AU (1) AU3566297A (fr)
DE (1) DE69731387T2 (fr)
ES (1) ES2231876T3 (fr)
WO (1) WO1998002082A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1284791B1 (it) * 1996-09-11 1998-05-21 Merloni Elettrodomestici Spa Macchina lavastoviglie a circuito idraulico migliorato.
DE10155903A1 (de) * 2001-11-14 2003-05-15 Aeg Hausgeraete Gmbh Geschirrspülmaschine
DE102007041307A1 (de) * 2007-08-31 2009-03-05 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786231A2 (fr) * 1996-01-29 1997-07-30 SMEG S.p.A. Dispositif de connection hydraulique pour panier de lave vaisselle qui peut être positionné à deux différentes hauteurs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE444884B (sv) * 1980-03-11 1986-05-20 Electrolux Ab Hushallsdiskmaskin
IT1234696B (it) * 1989-06-06 1992-05-26 Zanussi A Spa Industrie Lavastoviglie con cesto estraibile regolabile in altezza.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786231A2 (fr) * 1996-01-29 1997-07-30 SMEG S.p.A. Dispositif de connection hydraulique pour panier de lave vaisselle qui peut être positionné à deux différentes hauteurs

Also Published As

Publication number Publication date
AU3566297A (en) 1998-02-09
ES2231876T3 (es) 2005-05-16
WO1998002082A1 (fr) 1998-01-22
DE69731387T2 (de) 2005-11-10
ATE280531T1 (de) 2004-11-15
DE69731387D1 (de) 2004-12-02
EP0918482A1 (fr) 1999-06-02

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