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FR2372363A1 - Washing machine water outlet pipe valve - prevents return flow of dirty water to wash tub - Google Patents

Washing machine water outlet pipe valve - prevents return flow of dirty water to wash tub

Info

Publication number
FR2372363A1
FR2372363A1 FR7735218A FR7735218A FR2372363A1 FR 2372363 A1 FR2372363 A1 FR 2372363A1 FR 7735218 A FR7735218 A FR 7735218A FR 7735218 A FR7735218 A FR 7735218A FR 2372363 A1 FR2372363 A1 FR 2372363A1
Authority
FR
France
Prior art keywords
washing machine
outlet pipe
valve head
return flow
pipe valve
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Withdrawn
Application number
FR7735218A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2372363A1 publication Critical patent/FR2372363A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)

Abstract

A non-return valve (13) is housed in the fitting (15) which forms part of the outlet from the pump of a washing machine or a dish-washer. The hollow valve head (30) is hemispherical and has finger shaped guides (33). When the pump is operating, water flows into the inlet (18) and pushes the valve head (30) off the seat formed by the sealing ring (28). When the pump is switched off, the valve head (30) floats upwards and seals against the seat (28) so that dirty water cannot flow back and soil clothes in the washtub. A retaining ring (34) prevents the valve head (30) from falling out of the housing (25).
FR7735218A 1976-11-24 1977-11-23 Washing machine water outlet pipe valve - prevents return flow of dirty water to wash tub Withdrawn FR2372363A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19767636915 DE7636915U1 (en) 1976-11-24 1976-11-24 NON-RETURN VALVE FOR WATER-CARRIED DEVICES, IN PARTICULAR DISHWASHERS OR WASHING MACHINES

Publications (1)

Publication Number Publication Date
FR2372363A1 true FR2372363A1 (en) 1978-06-23

Family

ID=6671563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7735218A Withdrawn FR2372363A1 (en) 1976-11-24 1977-11-23 Washing machine water outlet pipe valve - prevents return flow of dirty water to wash tub

Country Status (3)

Country Link
DE (1) DE7636915U1 (en)
FR (1) FR2372363A1 (en)
IT (1) IT1088245B (en)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0854311A3 (en) * 1997-01-20 1999-05-06 Premark International Holdings B.V. Fluid check valve
EP0942171A2 (en) * 1996-04-12 1999-09-15 Graco Inc. Double diaphragm pump
EP1199475A3 (en) * 2000-10-16 2003-03-05 Kabushiki Kaisha Toyota Jidoshokki Vacuum pump
WO2008125492A1 (en) * 2007-04-12 2008-10-23 BSH Bosch und Siemens Hausgeräte GmbH Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance
US8627832B2 (en) 2010-12-13 2014-01-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US8667974B2 (en) 2009-12-21 2014-03-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US8733376B2 (en) 2011-05-16 2014-05-27 Whirlpool Corporation Dishwasher with filter assembly
US8746261B2 (en) 2009-12-21 2014-06-10 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US9005369B2 (en) 2011-06-20 2015-04-14 Whirlpool Corporation Filter assembly for a dishwasher
US9010344B2 (en) 2011-06-20 2015-04-21 Whirlpool Corporation Rotating filter for a dishwashing machine
US9034112B2 (en) 2010-12-03 2015-05-19 Whirlpool Corporation Dishwasher with shared heater
US9107559B2 (en) 2011-05-16 2015-08-18 Whirlpool Corporation Dishwasher with filter assembly
US9113766B2 (en) 2010-11-16 2015-08-25 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9119515B2 (en) 2010-12-03 2015-09-01 Whirlpool Corporation Dishwasher with unitary wash module
US9237836B2 (en) 2012-05-30 2016-01-19 Whirlpool Corporation Rotating filter for a dishwasher
US9265401B2 (en) 2011-06-20 2016-02-23 Whirlpool Corporation Rotating filter for a dishwashing machine
US9301667B2 (en) 2012-02-27 2016-04-05 Whirlpool Corporation Soil chopping system for a dishwasher
US9451862B2 (en) 2012-06-01 2016-09-27 Whirlpool Corporation Dishwasher with unitary wash module
US9532700B2 (en) 2012-06-01 2017-01-03 Whirlpool Corporation Dishwasher with overflow conduit
US9554688B2 (en) 2012-10-23 2017-01-31 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9668636B2 (en) 2010-11-16 2017-06-06 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9687135B2 (en) 2009-12-21 2017-06-27 Whirlpool Corporation Automatic dishwasher with pump assembly
US9730570B2 (en) 2012-05-30 2017-08-15 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9833120B2 (en) 2012-06-01 2017-12-05 Whirlpool Corporation Heating air for drying dishes in a dishwasher using an in-line wash liquid heater
US9861251B2 (en) 2011-06-20 2018-01-09 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US9918609B2 (en) 2009-12-21 2018-03-20 Whirlpool Corporation Rotating drum filter for a dishwashing machine
EP3365503A4 (en) * 2015-10-21 2019-07-03 Aktiebolaget Durgo VALVE DEVICE
US10653291B2 (en) 2011-06-20 2020-05-19 Whirlpool Corporation Ultra micron filter for a dishwasher

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3612393A1 (en) * 1986-04-12 1987-10-15 Guenter Stein Non-return valve
DE3715285A1 (en) * 1987-05-08 1988-11-24 Licentia Gmbh Dishwasher with an evacuation pump
DE3732565A1 (en) * 1987-09-26 1989-04-06 Rainer Schmieg Nonreturn valve
DE3812549A1 (en) * 1988-04-15 1989-10-26 Wildfang Dieter Kg Back siphonage preventer

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0942171A2 (en) * 1996-04-12 1999-09-15 Graco Inc. Double diaphragm pump
EP0942171A3 (en) * 1996-04-12 2000-02-09 Graco Inc. Double diaphragm pump
EP0854311A3 (en) * 1997-01-20 1999-05-06 Premark International Holdings B.V. Fluid check valve
EP1199475A3 (en) * 2000-10-16 2003-03-05 Kabushiki Kaisha Toyota Jidoshokki Vacuum pump
WO2008125492A1 (en) * 2007-04-12 2008-10-23 BSH Bosch und Siemens Hausgeräte GmbH Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance
US8512482B2 (en) 2007-04-12 2013-08-20 Bsh Bosch Und Siemens Hausgeraete Gmbh Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance
US9918609B2 (en) 2009-12-21 2018-03-20 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US8667974B2 (en) 2009-12-21 2014-03-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US10779703B2 (en) 2009-12-21 2020-09-22 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US8746261B2 (en) 2009-12-21 2014-06-10 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US9375129B2 (en) 2009-12-21 2016-06-28 Whirlpool Corporation Rotating filter for a dishwashing machine
US9687135B2 (en) 2009-12-21 2017-06-27 Whirlpool Corporation Automatic dishwasher with pump assembly
US9211047B2 (en) 2009-12-21 2015-12-15 Whirlpool Corporation Rotating filter for a dishwashing machine
US9668636B2 (en) 2010-11-16 2017-06-06 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9113766B2 (en) 2010-11-16 2015-08-25 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9119515B2 (en) 2010-12-03 2015-09-01 Whirlpool Corporation Dishwasher with unitary wash module
US9572473B2 (en) 2010-12-03 2017-02-21 Whirlpool Corporation Dishwasher with unitary wash module
US9034112B2 (en) 2010-12-03 2015-05-19 Whirlpool Corporation Dishwasher with shared heater
US9532696B2 (en) 2010-12-03 2017-01-03 Whirlpool Corporation Dishwasher with unitary wash module
US9532697B2 (en) 2010-12-03 2017-01-03 Whirlpool Corporation Dishwasher with unitary wash module
US8627832B2 (en) 2010-12-13 2014-01-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US9364131B2 (en) 2010-12-13 2016-06-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US9538898B2 (en) 2011-05-16 2017-01-10 Whirlpool Corporation Dishwasher with filter assembly
US9167950B2 (en) 2011-05-16 2015-10-27 Whirlpool Corporation Dishwasher with filter assembly
US11882977B2 (en) 2011-05-16 2024-01-30 Whirlpool Corporation Dishwasher with filter assembly
US8733376B2 (en) 2011-05-16 2014-05-27 Whirlpool Corporation Dishwasher with filter assembly
US9700196B2 (en) 2011-05-16 2017-07-11 Whirlpool Corporation Dishwasher with filter assembly
US9107559B2 (en) 2011-05-16 2015-08-18 Whirlpool Corporation Dishwasher with filter assembly
US9005369B2 (en) 2011-06-20 2015-04-14 Whirlpool Corporation Filter assembly for a dishwasher
US9861251B2 (en) 2011-06-20 2018-01-09 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US10070769B2 (en) 2011-06-20 2018-09-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US10058227B2 (en) 2011-06-20 2018-08-28 Whirlpool Corporation Filter assembly for a dishwasher
US9010344B2 (en) 2011-06-20 2015-04-21 Whirlpool Corporation Rotating filter for a dishwashing machine
US10178939B2 (en) 2011-06-20 2019-01-15 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US9265401B2 (en) 2011-06-20 2016-02-23 Whirlpool Corporation Rotating filter for a dishwashing machine
US10314457B2 (en) 2011-06-20 2019-06-11 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US10813525B2 (en) 2011-06-20 2020-10-27 Whirlpool Corporation Ultra micron filter for a dishwasher
US10653291B2 (en) 2011-06-20 2020-05-19 Whirlpool Corporation Ultra micron filter for a dishwasher
US10058228B2 (en) 2012-02-27 2018-08-28 Whirlpool Corporation Soil chopping system for a dishwasher
US9301667B2 (en) 2012-02-27 2016-04-05 Whirlpool Corporation Soil chopping system for a dishwasher
US11134825B2 (en) 2012-05-30 2021-10-05 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9730570B2 (en) 2012-05-30 2017-08-15 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US10376128B2 (en) 2012-05-30 2019-08-13 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9237836B2 (en) 2012-05-30 2016-01-19 Whirlpool Corporation Rotating filter for a dishwasher
US10076226B2 (en) 2012-05-30 2018-09-18 Whirlpool Corporation Rotating filter for a dishwasher
US9532700B2 (en) 2012-06-01 2017-01-03 Whirlpool Corporation Dishwasher with overflow conduit
US9451862B2 (en) 2012-06-01 2016-09-27 Whirlpool Corporation Dishwasher with unitary wash module
US9833120B2 (en) 2012-06-01 2017-12-05 Whirlpool Corporation Heating air for drying dishes in a dishwasher using an in-line wash liquid heater
US9757008B2 (en) 2012-10-23 2017-09-12 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9962060B2 (en) 2012-10-23 2018-05-08 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9826882B2 (en) 2012-10-23 2017-11-28 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9554688B2 (en) 2012-10-23 2017-01-31 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9649007B2 (en) 2012-10-23 2017-05-16 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
EP3365503A4 (en) * 2015-10-21 2019-07-03 Aktiebolaget Durgo VALVE DEVICE
TWI751117B (en) * 2015-10-21 2022-01-01 瑞典商多哥公司 Valve device and piping system

Also Published As

Publication number Publication date
DE7636915U1 (en) 1977-08-18
IT1088245B (en) 1985-06-10

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Legal Events

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