US20070295370A1 - Dishwasher - Google Patents

Dishwasher Download PDF

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Publication number
US20070295370A1
US20070295370A1 US11/791,380 US79138005A US2007295370A1 US 20070295370 A1 US20070295370 A1 US 20070295370A1 US 79138005 A US79138005 A US 79138005A US 2007295370 A1 US2007295370 A1 US 2007295370A1
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US
United States
Prior art keywords
drying device
sorption
washing container
dishwasher
air
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.)
Abandoned
Application number
US11/791,380
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English (en)
Inventor
Helmut Jerg
Kai Paintner
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
Assigned to BSH BOSCH UND SIEMENS HAUSGERATE GMBH reassignment BSH BOSCH UND SIEMENS HAUSGERATE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JERG, HELMUT, PAINTNER, KAI
Publication of US20070295370A1 publication Critical patent/US20070295370A1/en
Abandoned legal-status Critical Current

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    • 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
    • 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
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to a dishwasher with a washing container and devices for washing dishes by means of rinsing liquor and with a sorption drying device which is connected in an air-conducting manner to the washing container via an outlet of the washing container and an inlet of the washing container, and is provided with a sorption column encompassing reversible dehydratable material.
  • conventional dishwashers perform a washing process whose programme sequence generally consists of at least one “Pre-wash” partial programme step, a “Clean” partial programme step, at least one “Intermediate wash” partial programme step, a “Clear wash” partial programme step and a “Dry” partial programme step.
  • the rinsing fluid or rinsing liquor is heated before or during a partial programme step.
  • the rinsing fluid is normally heated by means of electrical heating elements.
  • Different drying systems are known for drying the items to be washed in a dishwasher.
  • DE 20 16 831 discloses, for example, a dishwasher of the type already mentioned in which the air is conducted from the washing container through a sealable opening in the wall of the washing container on reversibly dehydratable material, and from there to the outside through an opening. Desorption of the reversibly dehydratable material takes place during the non-operating phase of the device, the water vapour formed thereby being conducted to the outside through the opening.
  • the dishwasher described is disadvantageous from the energy viewpoint because the regeneration of the reversibly dehydratable material takes place during a non-operating phase of the appliance, i.e. at a time when none of the partial programme steps already described is being carried out.
  • a further disadvantage consists in the fact that the possibility of damage to the surrounding kitchen furniture cannot be ruled out as a result of the discharge of the water vapour formed during regeneration of the reversibly dehydratable material to the outside.
  • the regeneration is associated with an additional energy requirement which is additional to the energy required during the partial programme steps.
  • DE 103 53 774.0 of the applicant discloses a dishwasher with a washing container and devices for washing dishes by means of rinsing liquor which is provided with a sorption column which is connected in an air-conducting manner to the washing container and encompasses reversibly dehydratable material, where on the one hand the sorption column is used for drying the dishes and on the other hand the thermal energy utilised for desorption of the sorption column is used to heat the rinsing liquor and/or the dishes in the washing container, at least in part.
  • Heating the items to be washed in the partial programme step preceding the “Dry” partial programme step is no longer normally necessary due to the use of reversibly dehydratable material with a hydroscopic property, e.g. zeolith. This allows a substantial saving in energy.
  • EP 0 358 279 B1 discloses a dishwasher with a closed drying system in which the air from the washing container circulates through a drying device that can be regenerated by heating and from this device back into the washing container.
  • the drying device is assigned to the heater arranged outside the washing container for the rinsing liquor, this heater preferably being a geyser.
  • the outlet of the washing container is located in the ceiling of the washing container, whilst the inlet is integrated in the rinsing tank of the washing container.
  • the outlet of the washing container is connected to the sorption drying device by means of an air duct. Since the sorption drying device is assigned to the heater for the rinsing liquor it is arranged in a region underneath the rinsing tank.
  • a common feature of all the arrangements described above is that the integration of the sorption drying device in a dishwasher is only conceptually described.
  • the object of this invention is therefore to provide a dishwasher in which a sorption drying device can be integrated easily and at low cost.
  • a dishwasher according to the invention particularly a domestic dishwasher, has a washing container and devices for washing dishes by means of a rinsing liquor, as well as a sorption drying device which is connected in an air-conducting manner to the washing container via an outlet of the washing container and an inlet of the washing container, and which is provided with a sorption column encompassing reversibly dehydratable material.
  • the sorption drying device is arranged between a washing container wall and an outer housing wall of the dishwasher.
  • the sorption column is used for drying the dishes on the one hand and the thermal energy utilised for desorption of the sorption column is used for heating the rinsing liquor in the washing container and/or the items to be washed on the other.
  • the dishwasher can be designed, in terms of its operating principle, as described in DE 103 53 774.0 and/or DE 103 53 775.0 of the applicant, the contents of which are incorporated in this application where appropriate.
  • the machine described here differs in terms of a preferred arrangement of the sorption drying device.
  • air is conducted from the washing container and/or from the ambient air during a partial programme step with rinsing liquor to be heated, preferably during the “Clean” and/or “Pre-wash” and/or the “Clear wash” partial programme step through the sorption column and back into the washing container
  • An electric heating element is suitably arranged for desorption of the reversibly dehydratable material and for heating the rinsing liquor and/or the items to be washed.
  • the sorption column, and optionally the electrical heating element are arranged concentrically around the outlet and/or the inlet. Because of the concentric design a particularly low overall height and hence a particularly space-effective design of the sorption drying device are achieved. Moreover, the arrangement of the functional elements arranged underneath the rinsing tank need not be modified relative to conventional dishwashers.
  • the outlet is located in a lateral wall.
  • the inlet, or even a plurality of inlets, may be arranged in the same washing container wall, in the rinsing tank or in the washing container ceiling.
  • the first-mentioned variant here offers the advantage of an extremely simple structural design, sine the installation of air ducts may be largely dispensed with.
  • the provision of air ducts offers the advantage, already mentioned, that the condensation area is designed so that the sorption column of the sorption drying device can be generally constructed much smaller.
  • the electrical heating element is preferably arranged in the reversibly dehydratable material or in a pipe to the sorption column.
  • the outlet and/or inlet is/are provided with a passive means for sealing against penetrating water in the simplest case this may be cover over the outlet and/or inlet which is preferably designed so that at the same time the direction of the air flow is established to achieve the best possible turbulence of the air in the washing container for effective moisture absorption.
  • the outlet and/or the inlet may be provided with active sealing means.
  • the sealing means may be designed, for example, so that it can be actuated by applying a voltage.
  • the sealing means may therefore be designed so that it is motor or hydraulically driven. It is particularly advantageous here if voltage is also applied to the sealing means when voltage is applied to the fan, enabling the sealing means to open to provide air circulation to the sorption drying device.
  • the inlet and outlet need only be open during the regeneration phase of the sorption column and during the “Dry” partial programme step.
  • the sealing means provide such sealing to prevent spray water from penetrating the sorption drying device provided with electrical functional elements.
  • sealing means may also be actuated by a temperature-sensitive memory metal.
  • the sealing means is not actuated electrically but on the basis of the temperatures prevailing during different partial programme steps.
  • FIGURE in which is shown an exemplary embodiment of a dishwasher according to the invention.
  • FIGURE shows, in a diagrammatic representation, a dishwasher 1 of the invention with a washing container 2 , in which are arranged crockery baskets, not shown, for the storing of items to be washed, not shown either.
  • Dishwasher 1 is provided with a sorption column 10 which is connected in an air-conducting manner to washing container 2 and encompasses reversibly dehydratable material 11 , sorption column 10 being used on the one hand for drying and on the other hand for heating air passed through.
  • Washing container 2 has an outlet 5 which is arranged in the exemplary embodiment described in a central region and an inlet 8 arranged in the exemplary embodiment described close to a rinsing tank 6 , which inlet is connected by a pipe designed as an air duct 17 to sorption column 10 .
  • a sorption drying device 21 has a fan (not shown) and a heating element 12 . The passage of air through sorption drying device 21 is denoted by arrows A, B and C.
  • Sorption drying device 21 is arranged between a washing container wall 22 and an outer housing wall 23 , electric heating element 12 and sorption column 10 being arranged concentrically around outlet 5 .
  • This provides a particularly space-saving arrangement since no additional space, in which all the functional components of a dishwasher are normally arranged, is taken up underneath the rinsing tank.
  • Outlet 5 is located in this exemplary embodiment in the centre of washing container wall 22 .
  • a single inlet 8 is shown which is located underneath sorption drying device 21 in the lower region of washing container wall 22 and is connected to it by means of an air duct 17 .
  • a multiplicity of inlets 8 could be provided, which are arranged, for example, concentrically around outlet 5 .
  • inlet 8 could also be arranged in the rinsing tank or in the washing container ceiling.
  • the outlet identified in the FIGURE by reference number 5 could also represent an inlet of sorption drying device 21 , in which case the inlet identified in the FIGURE by reference number 8 would then represent the outlet of sorption drying device 212 .
  • the outlet of washing container 2 would be connected by air duct 17 to sorption column 10 .
  • air duct 17 could be designed as a condensation area, thereby reducing the amount of moisture contained in the moist air and enabling sorption column 10 to be dimensioned smaller.
  • the fan not shown in the FIGURE could be designed as an axial fan in the region of outlet 5 , but in this variant adequate protection against penetrating spray water would have to be considered.
  • an active sealing means could be provided, in particular, as described above.
  • arranging the fan as a radial fan in air duct 17 would also be conceivable.
  • outlet 5 has a sealing means which may be designed as a passive sealing means in the form of a cover, e.g. with a flow function (not shown).
  • inlet 8 has a sealing means 15 which may be designed, for example, as a cover with a flow function.
  • Both outlet 5 and inlet 8 could be provided with an actively actuated sealing means according to another variant, not shown either, which sealing means would be opened during the operation of sorption drying device 21 and closed in the remaining partial programme steps.
  • Particularly advantageous here is a direct coupling to the operation of the fan and/or electric heating element 12 .
  • the active sealing means could be actuated by means of a motor and/or hydraulically, the actuation being dependent on the operation of the sorption drying device.
  • a memory metal would also be conceivable, which metal cold be brought into an opening or closing position according to the varying temperatures during different partial programme steps.
  • a dishwasher which can be produced economically and with which the items to be washed in the washing container can be cleaned and dried efficiently, with the possibility of minimising the associated energy expenditure.
US11/791,380 2004-12-09 2005-12-06 Dishwasher Abandoned US20070295370A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102004059425.2 2004-12-09
DE102004059425 2004-12-09
DE102005004093A DE102005004093A1 (de) 2004-12-09 2005-01-28 Geschirrspülmaschine
DE102005004093.4 2005-01-28
PCT/EP2005/056514 WO2006061381A1 (de) 2004-12-09 2005-12-06 Geschirrspülmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/056514 A-371-Of-International WO2006061381A1 (de) 2004-12-09 2005-12-06 Geschirrspülmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/543,906 Continuation US8398784B2 (en) 2004-12-09 2012-07-09 Dishwasher

Publications (1)

Publication Number Publication Date
US20070295370A1 true US20070295370A1 (en) 2007-12-27

Family

ID=35696019

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/791,380 Abandoned US20070295370A1 (en) 2004-12-09 2005-12-06 Dishwasher
US13/543,906 Active US8398784B2 (en) 2004-12-09 2012-07-09 Dishwasher

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/543,906 Active US8398784B2 (en) 2004-12-09 2012-07-09 Dishwasher

Country Status (10)

Country Link
US (2) US20070295370A1 (pl)
EP (1) EP1835841B1 (pl)
JP (1) JP4778522B2 (pl)
KR (1) KR20070085882A (pl)
BR (1) BRPI0518472A2 (pl)
DE (1) DE102005004093A1 (pl)
ES (1) ES2411058T3 (pl)
PL (1) PL1835841T3 (pl)
RU (1) RU2403856C2 (pl)
WO (1) WO2006061381A1 (pl)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100126166A1 (en) * 2008-11-26 2010-05-27 Electrolux Home Products, Inc. Actuator assembly and associated apparatuses
US20110108065A1 (en) * 2008-07-23 2011-05-12 BSH Bosch und Siemens Hausgeräte GmbH Rinsing method for a water-conveying domestic appliance
US20110114126A1 (en) * 2008-07-23 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Rinsing method for a water-bearing domestic appliance, especially dishwasher
US20110114137A1 (en) * 2008-07-28 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher machine comprising a sorption drying device
US20110114136A1 (en) * 2008-07-28 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher machine comprising a sorption drying device
US20110126869A1 (en) * 2008-07-23 2011-06-02 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance, in particular dishwasher or washing machine
US20110139196A1 (en) * 2008-08-27 2011-06-16 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher having a sorption drying device
US8601716B2 (en) * 2003-07-30 2013-12-10 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for operating a device with at least one partial programme step of drying
USD748352S1 (en) * 2013-12-12 2016-01-26 Whirlpool Corporation Sprayer for dishwasher
CN108968876A (zh) * 2018-07-16 2018-12-11 珠海格力电器股份有限公司 洗碗机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007052083A1 (de) * 2007-10-31 2009-05-07 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit Adsorptionstrocknungsgerät
DE102011077642A1 (de) 2011-06-16 2012-12-20 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Sorptionstrocknungsvorrichtung
KR102034096B1 (ko) * 2013-09-02 2019-10-18 삼성전자주식회사 식기세척기
US9167951B2 (en) 2014-01-31 2015-10-27 General Electric Company Dishwasher appliance having energy recovery features
US9854957B2 (en) 2016-01-20 2018-01-02 Haier Us Appliance Solutions, Inc. Methods for operating dishwasher appliances having energy recovery features
WO2022184228A1 (en) * 2021-03-01 2022-09-09 Vestel Elektronik Sanayi Ve Ticaret A.S. Dishwashing machine and method of operating a dishwashing machine

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US6009669A (en) * 1999-03-11 2000-01-04 Northrop Grumman Corporation Shape memory wire actuated aircraft door seal
US6679222B1 (en) * 1999-08-05 2004-01-20 Robert Bosch Gmbh Method of metering fuel using a fuel injector

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ATE212817T1 (de) * 1995-12-09 2002-02-15 Whirlpool Co Verfahren zur energieeinsparung in haushaltsgeräten und gerät mit verbessertem energiewirkungsgrad
DE10024892A1 (de) * 2000-05-19 2001-11-22 Aeg Hausgeraete Gmbh Geschirrspülmaschine mit einem Spülbehälter und Verfahren zum Entfernen einer feuchten Luft aus einem Spülbehälter einer Geschirrspülmaschine
JP4292703B2 (ja) * 2000-10-26 2009-07-08 株式会社デンソー 乾燥装置
EP1667569B1 (de) 2003-07-30 2020-09-09 BSH Hausgeräte GmbH Geschirrspülmaschine
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US6009669A (en) * 1999-03-11 2000-01-04 Northrop Grumman Corporation Shape memory wire actuated aircraft door seal
US6679222B1 (en) * 1999-08-05 2004-01-20 Robert Bosch Gmbh Method of metering fuel using a fuel injector

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8601716B2 (en) * 2003-07-30 2013-12-10 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for operating a device with at least one partial programme step of drying
US20110108065A1 (en) * 2008-07-23 2011-05-12 BSH Bosch und Siemens Hausgeräte GmbH Rinsing method for a water-conveying domestic appliance
US20110114126A1 (en) * 2008-07-23 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Rinsing method for a water-bearing domestic appliance, especially dishwasher
US8888927B2 (en) 2008-07-23 2014-11-18 Bsh Bosch Und Siemens Hausgeraete Gmbh Rinsing method for a water-bearing domestic appliance, especially dishwasher
US8858728B2 (en) 2008-07-23 2014-10-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Water-conducting household appliance, in particular dishwasher or washing machine
US20110126869A1 (en) * 2008-07-23 2011-06-02 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance, in particular dishwasher or washing machine
US20110114136A1 (en) * 2008-07-28 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher machine comprising a sorption drying device
US8709171B2 (en) 2008-07-28 2014-04-29 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher machine comprising a sorption drying device
US8858727B2 (en) 2008-07-28 2014-10-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher machine comprising a sorption drying device
US20110114137A1 (en) * 2008-07-28 2011-05-19 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher machine comprising a sorption drying device
US20110139196A1 (en) * 2008-08-27 2011-06-16 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher having a sorption drying device
US8834645B2 (en) 2008-08-27 2014-09-16 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher having a sorption drying device
US8557053B2 (en) 2008-11-26 2013-10-15 Electrolux Home Products, Inc. Actuator assembly and associated apparatuses
US20100126166A1 (en) * 2008-11-26 2010-05-27 Electrolux Home Products, Inc. Actuator assembly and associated apparatuses
USD748352S1 (en) * 2013-12-12 2016-01-26 Whirlpool Corporation Sprayer for dishwasher
USD799762S1 (en) * 2013-12-12 2017-10-10 Whirlpool Corporation Sprayer for dishwasher
CN108968876A (zh) * 2018-07-16 2018-12-11 珠海格力电器股份有限公司 洗碗机

Also Published As

Publication number Publication date
EP1835841A1 (de) 2007-09-26
US20120273015A1 (en) 2012-11-01
KR20070085882A (ko) 2007-08-27
WO2006061381A1 (de) 2006-06-15
DE102005004093A1 (de) 2006-06-22
US8398784B2 (en) 2013-03-19
PL1835841T3 (pl) 2013-09-30
EP1835841B1 (de) 2013-05-22
JP4778522B2 (ja) 2011-09-21
ES2411058T3 (es) 2013-07-04
JP2008522691A (ja) 2008-07-03
RU2007119607A (ru) 2009-01-20
BRPI0518472A2 (pt) 2008-11-18
RU2403856C2 (ru) 2010-11-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: BSH BOSCH UND SIEMENS HAUSGERATE GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JERG, HELMUT;PAINTNER, KAI;REEL/FRAME:019385/0335

Effective date: 20070509

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION