EP1460926A1 - Dispositif et procede pour recueillir des eaux usees dans des lave-vaisselle - Google Patents

Dispositif et procede pour recueillir des eaux usees dans des lave-vaisselle

Info

Publication number
EP1460926A1
EP1460926A1 EP02791721A EP02791721A EP1460926A1 EP 1460926 A1 EP1460926 A1 EP 1460926A1 EP 02791721 A EP02791721 A EP 02791721A EP 02791721 A EP02791721 A EP 02791721A EP 1460926 A1 EP1460926 A1 EP 1460926A1
Authority
EP
European Patent Office
Prior art keywords
dirty water
pump
dishwashers
valve
tub area
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
EP02791721A
Other languages
German (de)
English (en)
Other versions
EP1460926B1 (fr
Inventor
Heinz-Werner Giefer
Georg Hechtl
Horst Sipple
Hans-Peter Nannt
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1460926A1 publication Critical patent/EP1460926A1/fr
Application granted granted Critical
Publication of EP1460926B1 publication Critical patent/EP1460926B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • 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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • 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
    • A47L15/4246—Details of the tub

Definitions

  • the present invention relates to a device for collecting dirty water in dishwashers with a pump pot and a trough region subsequently arranged in the lower area thereof, which is connected to the pump pot via an inflow section, and a method for collecting dirty water in a dishwasher.
  • DE 30 33 026 A1 discloses a dishwasher for carrying out a method for removing food residues, a sump bottom being provided in the bottom area of a pump pot, the bottom area of which has a tub area which is connected to the pump pot via an inflow section is.
  • Various structures on the bottom wall of the bottom of the sump are intended to bring about a rotation of the liquid contained therein with food residues, with the result that, according to physical laws, the more solid components, i.e. the food residues in the dirty water are moved towards the rotation point.
  • the inlet section from the pump pot into the tub area the tub area being connected to an emptying pump.
  • the average water consumption during a washing process can be drastically reduced, because only the dirty water contaminated with food residues is led to the drain pump and disposed of, while the dirty water contaminated only with food residues is led to the circulation pump and in again the rinsing circuit can flow back.
  • the coarse and easily soluble food residues adhering to the items to be washed are loosened by water jets and conveyed down into the pump bowl.
  • the food residues sinking into the pump pot are then guided into a tub area located below the pump pot by precise opening and closing and are disposed of there via a drain pump.
  • the dirty water remaining in the pump pot now only has smaller floating dirt particles which can be fed back to the flushing process via the circulation pump.
  • the valve arranged in the inflow section to the tub area is also controlled in a targeted manner during the circulation process, for example in order to delay the detachment of dirt particles on the dishes or cutlery that have sunk to the bottom of the pump bowl , in to transport the tub area underneath.
  • a ventilation opening is provided in the tub area, which ensures pressure equalization in the tub area, since when the valve is closed, the circulating or drain pump would quickly generate a negative pressure in the tub area, which would affect both the efficiency of the pumps and the materials used for the tub body, especially when suctioning of larger liquid volumes, could negatively affect.
  • valve of the device according to the invention for collecting dirty water in dishwashers is designed to be controllable via the washing program, so that, for example when the washing program for particularly dirty dishes loads is activated, a decrease in the numerous food residues in the pump pot is waited for or is carried out several times, in order to suck off the food waste collected in this way through the sluice-like tub area.
  • the dirty water collects in a pump pot, which is connected to a tub area arranged below via a valve in an inflow section, and becomes this valve Opened or blocked as needed to allow at least a part of the dirty water to flow into the tub area, and at least this part of the dirty water collected in this way is pumped out via a drain or circulation pump, which means that the average water consumption during a flushing process can be drastically reduced because only the dirty water contaminated with food residues is led to the drain pump and disposed of, while the dirty water contaminated with food residues is led to the circulating pump and again into the rinsing circuit f can flow back.
  • the valve 3 is opened and remains open according to a predetermined time, which is defined in the washing program, in order to move the sump 6, in particular the sump 6, which is trapped with food residues, from the pump pot 1 into the tub area 2 transport.
  • a predetermined time which is defined in the washing program
  • the valve 3 closes.
  • the sump 6 located in the tub area 2 is pumped out via the pumping function (drain pump function) of the circulation / drain pump 7.
  • the valve 3 can be opened again and a dirty water which is only slightly contaminated with food residues can be returned to the washing program by the circulation pump function of the circulation / drain pump 7.
  • this has a ventilation 4 which, in particular when large volumes of dirty water are sucked off, ensures that both the circulation / drain pump 7 and the material of the tub area 2 are not unnecessarily stressed.
  • two separate pumps can be provided instead of a combined circulation / drain pump 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Refuse Collection And Transfer (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP02791721A 2001-12-28 2002-11-26 Dispositif et procede pour recueillir des eaux usees dans des lave-vaisselle Expired - Lifetime EP1460926B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10164507 2001-12-28
DE10164507A DE10164507A1 (de) 2001-12-28 2001-12-28 Vorrichtung und Verfahren zum Auffangen von Schmutzwasser in Geschirrspülmaschinen
PCT/EP2002/013316 WO2003055374A1 (fr) 2001-12-28 2002-11-26 Dispositif et procede pour recueillir des eaux usees dans des lave-vaisselle

Publications (2)

Publication Number Publication Date
EP1460926A1 true EP1460926A1 (fr) 2004-09-29
EP1460926B1 EP1460926B1 (fr) 2012-04-18

Family

ID=7711165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02791721A Expired - Lifetime EP1460926B1 (fr) 2001-12-28 2002-11-26 Dispositif et procede pour recueillir des eaux usees dans des lave-vaisselle

Country Status (10)

Country Link
US (2) US7597108B2 (fr)
EP (1) EP1460926B1 (fr)
JP (1) JP4219275B2 (fr)
KR (1) KR20040068977A (fr)
CN (1) CN1268280C (fr)
AT (1) ATE553687T1 (fr)
AU (1) AU2002358048A1 (fr)
DE (1) DE10164507A1 (fr)
ES (1) ES2383355T3 (fr)
WO (1) WO2003055374A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358970A1 (de) † 2003-12-16 2005-07-21 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Zwischenpumpbetrieb
US7749269B2 (en) * 2005-03-28 2010-07-06 Warsaw Orthopedic, Inc. Spinal system and method including lateral approach
US20110240070A1 (en) * 2010-03-30 2011-10-06 Emerson Electric Co. Offset Inlet Dishwasher Pumps
US9192282B2 (en) 2010-12-14 2015-11-24 Whirlpool Corporation Dishwasher system with a reuse tank
US9516989B2 (en) 2010-12-14 2016-12-13 Whirlpool Corporation Dishwasher system with a reuse tank
DE102010063711A1 (de) * 2010-12-21 2012-06-21 Premark Feg L.L.C. (N.D.Ges.D. Staates Delaware) Spülmaschine mit automatischer Schmutzaustragung
US9186034B2 (en) 2012-09-05 2015-11-17 Whirlpool Corporation Methods of reusing liquid in a dishwasher
US8968483B2 (en) 2012-09-10 2015-03-03 Whirlpool Corporation Method of using liquid in a dishwasher
US9943210B2 (en) * 2014-05-13 2018-04-17 Illinois Tool Works Inc. Warewasher with automated scrapping system
CN109512355A (zh) * 2019-01-02 2019-03-26 珠海格力电器股份有限公司 洗碗机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244105A (en) * 1963-03-26 1966-04-05 Gen Motors Corp Pump for a domestic appliance
US3476600A (en) * 1966-03-08 1969-11-04 Ionics Rinsing machine-washed dishes
DE3033026C2 (de) 1976-04-07 1983-12-29 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Geschirrspülmaschine zur Druchführung eines Verfahrens zum Entfernen von Speiseresten
US4848382A (en) 1987-10-22 1989-07-18 Whirlpool Corporation Tub bottom soil separator for dishwasher
FR2684538B1 (fr) * 1991-12-10 1996-01-26 Esswein Sa Lave-vaisselle a filtre de liquide.
US5803100A (en) * 1995-08-25 1998-09-08 Whirlpool Corporation Soil separation channel for dishwasher pump system
US6182674B1 (en) * 1996-11-19 2001-02-06 Whirlpool Corporation Pump and soil collection system for a dishwasher
US5909743A (en) * 1997-09-10 1999-06-08 Whirlpool Corporation Automatic purge filtration system for a dishwasher
US5762080A (en) * 1997-01-24 1998-06-09 White Consolidated Industries, Inc. Dishwasher cycle pulsing pump out of collection chamber
EP0913119B1 (fr) * 1997-10-28 2003-09-24 Electrolux Home Products, Inc. Système d'évacuation à déviation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03055374A1 *

Also Published As

Publication number Publication date
WO2003055374A1 (fr) 2003-07-10
AU2002358048A1 (en) 2003-07-15
US20100037917A1 (en) 2010-02-18
ATE553687T1 (de) 2012-05-15
US7597108B2 (en) 2009-10-06
CN1607923A (zh) 2005-04-20
KR20040068977A (ko) 2004-08-02
US7842136B2 (en) 2010-11-30
ES2383355T3 (es) 2012-06-20
CN1268280C (zh) 2006-08-09
EP1460926B1 (fr) 2012-04-18
DE10164507A1 (de) 2003-07-17
US20050011539A1 (en) 2005-01-20
JP2005512717A (ja) 2005-05-12
JP4219275B2 (ja) 2009-02-04

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