EP1460926A1 - Device and method for collecting waste water in dishwashers - Google Patents
Device and method for collecting waste water in dishwashersInfo
- 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
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.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10164507 | 2001-12-28 | ||
DE10164507A DE10164507A1 (en) | 2001-12-28 | 2001-12-28 | Device and method for collecting dirty water in dishwashers |
PCT/EP2002/013316 WO2003055374A1 (en) | 2001-12-28 | 2002-11-26 | Device and method for collecting waste water in dishwashers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1460926A1 true EP1460926A1 (en) | 2004-09-29 |
EP1460926B1 EP1460926B1 (en) | 2012-04-18 |
Family
ID=7711165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02791721A Expired - Lifetime EP1460926B1 (en) | 2001-12-28 | 2002-11-26 | Device and method for collecting waste water in dishwashers |
Country Status (10)
Country | Link |
---|---|
US (2) | US7597108B2 (en) |
EP (1) | EP1460926B1 (en) |
JP (1) | JP4219275B2 (en) |
KR (1) | KR20040068977A (en) |
CN (1) | CN1268280C (en) |
AT (1) | ATE553687T1 (en) |
AU (1) | AU2002358048A1 (en) |
DE (1) | DE10164507A1 (en) |
ES (1) | ES2383355T3 (en) |
WO (1) | WO2003055374A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10358970A1 (en) † | 2003-12-16 | 2005-07-21 | BSH Bosch und Siemens Hausgeräte GmbH | Dishwasher with intermediate pumping operation |
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 (en) * | 2010-12-21 | 2012-06-21 | Premark Feg L.L.C. (N.D.Ges.D. Staates Delaware) | Dishwasher with automatic dirt removal |
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 (en) * | 2019-01-02 | 2019-03-26 | 珠海格力电器股份有限公司 | Dish-washing machine |
Family Cites Families (10)
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 (en) | 1976-04-07 | 1983-12-29 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Dishwasher for carrying out a method for removing food residues |
US4848382A (en) | 1987-10-22 | 1989-07-18 | Whirlpool Corporation | Tub bottom soil separator for dishwasher |
FR2684538B1 (en) * | 1991-12-10 | 1996-01-26 | Esswein Sa | DISHWASHER WITH LIQUID FILTER. |
US5803100A (en) * | 1995-08-25 | 1998-09-08 | Whirlpool Corporation | Soil separation channel for dishwasher pump system |
US5909743A (en) * | 1997-09-10 | 1999-06-08 | Whirlpool Corporation | Automatic purge filtration system for a dishwasher |
US6182674B1 (en) * | 1996-11-19 | 2001-02-06 | Whirlpool Corporation | Pump and soil collection 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 (en) * | 1997-10-28 | 2003-09-24 | Electrolux Home Products, Inc. | Shunt drain system |
-
2001
- 2001-12-28 DE DE10164507A patent/DE10164507A1/en not_active Withdrawn
-
2002
- 2002-11-26 AU AU2002358048A patent/AU2002358048A1/en not_active Abandoned
- 2002-11-26 KR KR10-2004-7009946A patent/KR20040068977A/en not_active Application Discontinuation
- 2002-11-26 EP EP02791721A patent/EP1460926B1/en not_active Expired - Lifetime
- 2002-11-26 JP JP2003555953A patent/JP4219275B2/en not_active Expired - Fee Related
- 2002-11-26 AT AT02791721T patent/ATE553687T1/en active
- 2002-11-26 WO PCT/EP2002/013316 patent/WO2003055374A1/en active Application Filing
- 2002-11-26 ES ES02791721T patent/ES2383355T3/en not_active Expired - Lifetime
- 2002-11-26 CN CNB028262727A patent/CN1268280C/en not_active Expired - Fee Related
-
2004
- 2004-06-28 US US10/879,929 patent/US7597108B2/en active Active
-
2009
- 2009-08-18 US US12/542,835 patent/US7842136B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03055374A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE553687T1 (en) | 2012-05-15 |
CN1607923A (en) | 2005-04-20 |
WO2003055374A1 (en) | 2003-07-10 |
US7842136B2 (en) | 2010-11-30 |
ES2383355T3 (en) | 2012-06-20 |
CN1268280C (en) | 2006-08-09 |
JP4219275B2 (en) | 2009-02-04 |
EP1460926B1 (en) | 2012-04-18 |
US20100037917A1 (en) | 2010-02-18 |
JP2005512717A (en) | 2005-05-12 |
US20050011539A1 (en) | 2005-01-20 |
DE10164507A1 (en) | 2003-07-17 |
KR20040068977A (en) | 2004-08-02 |
US7597108B2 (en) | 2009-10-06 |
AU2002358048A1 (en) | 2003-07-15 |
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