EP0329289B1 - Geschirrspülmaschine - Google Patents

Geschirrspülmaschine Download PDF

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Publication number
EP0329289B1
EP0329289B1 EP19890300639 EP89300639A EP0329289B1 EP 0329289 B1 EP0329289 B1 EP 0329289B1 EP 19890300639 EP19890300639 EP 19890300639 EP 89300639 A EP89300639 A EP 89300639A EP 0329289 B1 EP0329289 B1 EP 0329289B1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
tub
vent
motor
water
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
Application number
EP19890300639
Other languages
English (en)
French (fr)
Other versions
EP0329289A1 (de
Inventor
Richard Guy Bointon
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.)
Creda Ltd
Original Assignee
Creda Ltd
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 Creda Ltd filed Critical Creda Ltd
Publication of EP0329289A1 publication Critical patent/EP0329289A1/de
Application granted granted Critical
Publication of EP0329289B1 publication Critical patent/EP0329289B1/de
Expired 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
    • A47L15/48—Drying arrangements
    • A47L15/486—Blower arrangements

Definitions

  • This invention relates to dishwashers.
  • Dishwashers generally employ a drying step after the washing and rinsing steps, wherein after the tub has been drained, the load of the dishwasher is heated by a radiant energy heater.
  • the fan for the motor is arranged in an open end of the ducting, which preferably comprises two parts connected to allow air escape at the connection: this allows cooling air to be vented when the dishwasher is not in a drying mode.
  • the dishwasher comprises of an outer cabinet (not shown) containing a tub 1, the front wall 2 of which is pivotable about its bottom edge 2a to provide a door to give access to the tub.
  • the dishes etc forming the load are placed in racks (not shown) in the tub.
  • Water is sprayed over the dishes from jets (not shown) driven by a centrifugal pump 3 which is in turn powered by an electric motor 4.
  • Ducting consisting of duct 12 and duct 5 conveys cooling air from a fan 6 of the electric motor into the tub.
  • the floor of the tub has a sump 7 of plastic material recessed in it, from which the pump 3 derives its input.
  • the pump is a centifugal pump and draws water in in direction of the arrow A and delivers it to a shroud 8 of diverging volute cross section which terminates in a vertical outlet section 9 ( Figure 1c), which feeds plastics spray heads (not shown) containing outlet jets.
  • a heater 10 is located in the lower part of the sump.
  • the electric motor 4 which drives the pump has a cooling fan 6 which draws air from the atmosphere past the motor into the circular duct 12 concentric with the motor.
  • a soap dispenser 13 is located in the upper part of the door 2 and has three compartments 13a, 13b, and 13c, which are selectively opened by means of a closure 14 which covers two only of the three compartments at any one time.
  • Compartment 13a contains soap powder for a pre-wash
  • the compartment 13b contains soap powder for a main wash
  • the compartment 13c has a vent at its rear surface which connects via a labryrinth in the dispenser with the atmosphere outside.
  • the duct 5 at one end connects into the rear of the tub and at the other end receives an end of the circular duct 12.
  • the door 2 is opened and dishes etc forming the load of the machine are inserted into baskets in the tub. Soap is inserted into the soap dispenser, and controls are operated to start the washing operation.
  • the machine fills with water and heating element 10 is activated.
  • the sector 14 uncovers the pre-wash compartment. When the water temperature is sufficient for the load to be adequately washed, the electric motor is operated and the pump drives hot water to the spray jets.
  • the fan on the motor directs the cooling air blast, which cools the motor, from the circular duct 12 into the duct 5, but the compartment 13c containing the vent is closed, and so the air spills out of the duct 12 both where it fits into the duct 5 and at its other, open, end.
  • the sector 14 rotates to open the main wash compartment.
  • the spray jets dislodge the soap from the compartment 13b as well as spray the load itself.
  • the tub When the main wash has been completed, the tub is emptied and re-filled with fresh water, which is heated in order to rinse the load. After the rinse, the tub again drains.
  • the heating element can be chosen and fitted with a view only to heating water, and considerations of radiant heating can be ignored: in particular the heating element can be positioned in the sump totally immersed in water (thereby making for greater efficiency) and the sump itself can be of plastics material. Further, the spray head can also be defined by plastics material.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (6)

1. Gespirrspülmaschine mit einer Pumpe (3) für Waschwasser, einem elektrischen Motor (4) zum Antreiben der Pumpe, einem Ventilator (6), der zur Luftkühlung des Motors von dem elektrischen Motor angetrieben wird, Rohrleitungen (12, 5) zum Befördern von Luft in den Kasten der Geschirrspülmaschine, wenn der Kasten entwässert ist, und einer Belüftung (13c) von innerhalb nach außerhalb der Geschirrspülmaschine, dadurch gekennzeichnet, daß die Belüftung in der Nähe eines Seifenspenders (13) der Geschirrspülmaschine angeordnet ist, und daß ein Verschluß (14), der zum Abdecken des Seifenspenders bewegbar ist, auch zum Abdecken der Belüftung (13c) bewegbar ist, um es Luft zu ermöglichen, in den Kasten geleitet zu werden.
2. Geschirrspülmaschine nach Anspruch 1, in der der Ventilator (6) für den Motor (4) in einem offenen Ende der Rohrleitung (12) angeordnet ist.
3. Geschirrspülmaschine nach Anspruch 1 oder 2, in der die Rohrleitung (12, 5) zwei Teile aufweist, die so verbunden sind, daß es Luft möglich ist, an der Verbindung zu entweichen.
4. Geschirrspülmaschine nach einem der Ansprüche 1 bis 3, in der ein Wassererhitzungselement (10) so angeordnet ist, daß es im Betrieb von Wasser umgeben ist.
5. Geschirrspülmaschine nach Anspruch 4, in der das Erhitzungselement in einer Ausnehmung (7) im Unterbau der Geschirrspülmaschine angeordnet ist.
6. Geschirrspülmaschine nach Anspruch 5, in der die Ausnehmung durch ein Bauteil aus Plastikmaterial bestimmt ist.
EP19890300639 1988-02-18 1989-01-24 Geschirrspülmaschine Expired EP0329289B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8803784 1988-02-18
GB8803784A GB2214788B (en) 1988-02-18 1988-02-18 Dishwasher

Publications (2)

Publication Number Publication Date
EP0329289A1 EP0329289A1 (de) 1989-08-23
EP0329289B1 true EP0329289B1 (de) 1991-10-30

Family

ID=10631952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890300639 Expired EP0329289B1 (de) 1988-02-18 1989-01-24 Geschirrspülmaschine

Country Status (5)

Country Link
EP (1) EP0329289B1 (de)
DE (1) DE68900367D1 (de)
GB (1) GB2214788B (de)
GR (1) GR3003092T3 (de)
NO (1) NO173484C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7754025B1 (en) 2000-06-08 2010-07-13 Beverage Works, Inc. Dishwasher having a door supply housing which holds dish washing supply for multiple wash cycles
US8190290B2 (en) 2000-06-08 2012-05-29 Beverage Works, Inc. Appliance with dispenser

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165431A (en) * 1990-12-28 1992-11-24 Whirlpool Corporation Air flow control for a dishwasher
SE9703220L (sv) * 1997-09-08 1999-03-09 Split Vision Dev Ab Anordning vid diskmaskiner
GB9901239D0 (en) * 1999-01-20 1999-03-10 Osman O Method and apparatus for removing water stains from tableware
ITPN20000013A1 (it) * 2000-02-24 2001-08-24 Electrolux Zanussi Elettrodome Lavastoviglie con sistema di raffreddamento ad aria
IT251743Y1 (it) * 2000-07-03 2004-01-20 Electrolux Zanussi Elettrodome Lavastoviglie con sistema di raffreddamento ad aria
CN109805873B (zh) * 2019-04-02 2024-02-02 杭州老板电器股份有限公司 双风道排气装置及洗碗机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126024A (en) * 1964-03-24 jellies
US3103227A (en) * 1961-04-18 1963-09-10 Westinghouse Electric Corp Dishwasher apparatus
US3130737A (en) * 1962-10-09 1964-04-28 Gen Electric Automatic dishwashing appliance
US3241563A (en) * 1964-03-11 1966-03-22 Gen Motors Corp Forced air drying system for a dishwasher

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7754025B1 (en) 2000-06-08 2010-07-13 Beverage Works, Inc. Dishwasher having a door supply housing which holds dish washing supply for multiple wash cycles
US8103378B2 (en) 2000-06-08 2012-01-24 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US8190290B2 (en) 2000-06-08 2012-05-29 Beverage Works, Inc. Appliance with dispenser
US8290615B2 (en) 2000-06-08 2012-10-16 Beverage Works, Inc. Appliance with dispenser
US8290616B2 (en) 2000-06-08 2012-10-16 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US8548624B2 (en) 2000-06-08 2013-10-01 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US8565917B2 (en) 2000-06-08 2013-10-22 Beverage Works, Inc. Appliance with dispenser
US8606395B2 (en) 2000-06-08 2013-12-10 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US9090448B2 (en) 2000-06-08 2015-07-28 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US9090449B2 (en) 2000-06-08 2015-07-28 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser
US9090446B2 (en) 2000-06-08 2015-07-28 Beverage Works, Inc. Appliance with dispenser
US9090447B2 (en) 2000-06-08 2015-07-28 Beverage Works, Inc. Appliance having a user interface panel and a beverage dispenser

Also Published As

Publication number Publication date
NO890653L (no) 1989-08-21
DE68900367D1 (de) 1991-12-05
GB2214788A (en) 1989-09-13
GR3003092T3 (en) 1993-02-17
GB8803784D0 (en) 1988-03-16
GB2214788B (en) 1991-10-02
NO890653D0 (no) 1989-02-16
NO173484B (no) 1993-09-13
NO173484C (no) 1993-12-22
EP0329289A1 (de) 1989-08-23

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