EP1460927A1 - Lave-vaisselle destine a recevoir de la vaisselle a laver disposee dans une enceinte de lavage - Google Patents

Lave-vaisselle destine a recevoir de la vaisselle a laver disposee dans une enceinte de lavage

Info

Publication number
EP1460927A1
EP1460927A1 EP02792807A EP02792807A EP1460927A1 EP 1460927 A1 EP1460927 A1 EP 1460927A1 EP 02792807 A EP02792807 A EP 02792807A EP 02792807 A EP02792807 A EP 02792807A EP 1460927 A1 EP1460927 A1 EP 1460927A1
Authority
EP
European Patent Office
Prior art keywords
steam
liquid
outlet opening
jet
dispenser
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
EP02792807A
Other languages
German (de)
English (en)
Other versions
EP1460927B1 (fr
Inventor
Rüdiger EIERMANN
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 EP1460927A1 publication Critical patent/EP1460927A1/fr
Application granted granted Critical
Publication of EP1460927B1 publication Critical patent/EP1460927B1/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
    • A47L15/4202—Water filter means or strainers
    • A47L15/4208—Arrangements to prevent clogging of the filters, e.g. self-cleaning
    • 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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L15/4234—Steam generating 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
    • A47L15/4278—Nozzles
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/04—Steam

Definitions

  • Dishwasher for holding items to be cleaned arranged in a washing container
  • the invention relates to a dishwasher for receiving items to be cleaned arranged in a washing container according to the preamble of patent claim 1.
  • a dishwasher for receiving items to be cleaned arranged in a washing container which has a pump for circulating liquid, a continuous-flow heater for heating the liquid and a spray device for applying the liquid to the items to be cleaned when one is selected Has flushing process by a control device.
  • the dishwasher has a device for providing steam when a separate steam rinsing cycle, which runs between the pre-rinse cycle and the main rinse cycle, is activated.
  • This device for providing the steam is arranged directly below the spraying device directly in the washing container and supplies the steam which escapes from the steam discharge openings into the washing container at any point in an uncontrolled manner by heating water in a separate chamber.
  • the steam rinse serves to dissolve heavily soiled items to be cleaned and is initiated by the user via the control device when a corresponding program is selected.
  • the device responsible for providing the steam must be manually removed from the dishwasher and cleaned.
  • a working container for a dishwasher is known from German Patent DE 44 01 420, which has a heating element with a steam chamber partially filled with vaporizable liquid.
  • the invention is based on the object of creating a dishwasher of the type described, by means of which the cleaning result supported by the provision of steam is improved, in particular for heavily soiled items to be cleaned.
  • the object of the invention advantageously results in an arrangement of the device provided for providing the steam with separate steam dispensers and steam jets in such a way that the steam jet always has the same specific location in the rinsing container that is used to hold the special - e.g. heavily soiled - items to be cleaned can be specially marked and designed with which steam is applied.
  • An uncontrolled escape of the steam at any point in the entire washing container is just avoided by the invention, which leads to an improvement in the cleaning result with the greatest possible utilization of the steam and, moreover, does not depend on the activation of a separate steam flushing process.
  • the predetermined location provided for receiving special items to be cleaned is set up in the vicinity of a washing compartment wall. This allows the cleaning result to be further optimized, since the only outlet point for the steam for the application of the special items to be cleaned is in the border area of the washing compartment and the other normal items to be cleaned are not affected.
  • the steam dispenser is arranged parallel to the instantaneous water heater and is supplied with the liquid from the selected rinsing process via a valve connected in between.
  • the steam dispenser is thus located in the hydraulic circuit of the dishwasher, which means that there is only the possibility of the steam dispenser being automatically repeated several times during a wash cycle fill with liquid and evaporate it. There is no need for a separate steam rinse cycle.
  • the steam jet is provided with a combined steam jet nozzle which has an outlet opening for a liquid jet and another outlet opening for the steam.
  • the deposits formed in the steam generator and / or steam jet and / or the nozzle - in particular the lime particles formed during the heating of the liquid or the evaporation - can thus be rinsed out without one of the above devices having to be replaced manually.
  • the steam jet nozzle has a two-way valve which closes one outlet opening and opens the other outlet opening.
  • one and the same valve on the one hand selects the path for the emission of liquid and on the other hand the path for the escape of the vapor.
  • the outlet opening for the steam is preferably directed upwards and the outlet opening for the liquid jet is directed to the side.
  • the outlet opening for the steam and the outlet opening for the liquid jet can also be directed in parallel in the steam jet nozzle.
  • the two-way valve is designed as a double ball float which, when the steam dispenser is switched on, closes the outlet opening for the liquid jet through its upper ball-shaped end and which closes through its lower ball-shaped end when the steam dispenser is switched off and liquid conveyed from below moved upward and through its upper spherical end closes the outlet opening for the steam and opens the outlet opening for the liquid jet.
  • the two-way valve is designed as a spoon-ball arrangement which, when the steam dispenser is switched on, closes the outlet opening for the liquid jet through a spoon-like end, and the spherical end of which moves upwards when the steam dispenser is switched off and the liquid conveyed from below as well as the outlet opening for the steam closes and the spoon-like end opens the outlet opening for the liquid jet.
  • a further embodiment of the induction has proven to be of particular value, in which a liquid is emitted through the outlet opening for the liquid jet of the steam jet nozzle onto the sieve arranged in the rinsing container for screen cleaning.
  • the nozzle can be used not only for the discharge of steam at the predetermined location for cleaning purposes for special items to be cleaned, but also elsewhere in the rinsing container for cleaning purposes for other facilities, preferably for the sieve, which is often heavily soiled with solid particles. Otherwise, this is only possible in a separate cleaning process - usually manually by the user - and not automatically.
  • the switched off steam dispenser the steam jet and the steam jet nozzle convey a clear liquid to remove deposits.
  • a rinse aid liquor improves the result of the flushing out of residues, including the lime particles, in the facilities mentioned.
  • FIG. 1 shows a side inside view of the washing compartment of a dishwasher according to the invention
  • FIG. 2 shows a block diagram of the devices for providing steam in the dishwasher
  • Figure 5 shows an alternative variant of the two-way valve in the sectional view.
  • FIG. 1 shows a side inside view of a washing container 2 of a dishwasher 1 according to the invention, in which an upper crockery basket 3 and a lower crockery basket 14 for receiving items to be cleaned, for example crockery and cutlery, are arranged.
  • the crockery baskets 3, 14 are known to each consist of basket side walls and a basket base with vertically and horizontally extending basket struts and usually have obliquely upwardly directed parallel spikes, between which flat items of crockery such as plates, saucers etc. can be securely held in the washing compartment 2.
  • the upper crockery basket 3 is designed so that it can be pulled out of the washing container 2 by means of a plurality of rollers 6 which move on the basket guide rails 5 arranged near the washing container side walls. It can only be pulled out when the door 4 is open, which is attached to the front for closing and opening the dishwasher 1 and has an operating panel in the upper area with display elements and program selection switches for activating different programs, such as washing and drying processes.
  • the dishwasher 1 also has spray devices, of which a spray device 13 in the form of a spray arm is arranged below the lower basket 14 in the washing container 2, for applying a liquid - usually water - to the items to be cleaned when a washing process is selected by a control device coupled to the program selector switch ,
  • a pump which cannot be seen in the side view, circulates the liquid before it is fed to a continuous-flow heater, which is also not visible in the side view, for heating the liquid and then to the spray device 13.
  • This hydraulic circuit also includes several supply lines and discharge lines 11, 12 for conveying the rinsing liquid to the items to be cleaned and for returning them after the rinsing process.
  • One of the discharge lines 11 is connected to a sieve 15 arranged in the rinsing container near the container bottom for collecting solid parts and particles.
  • a steam dispenser 7 is arranged - advantageously in parallel to the instantaneous heater - which supplies a steam jet 8 with a connected steam jet nozzle 9 to provide the steam.
  • Steam dispenser 7 and steam jet 8 together form the device for providing the steam and are installed in the dishwasher 1 in such a way that the steam jet 8 in the dishwashing container 2 has a predetermined one, for taking up special items 16 to be cleaned - in the selected example of a heavily soiled pot which is located in the lower crockery basket 14 - the intended location is subjected to steam.
  • the only and predetermined for receiving the special items to be cleaned 16 te position is preferably set up according to the embodiment in the vicinity of a rinsing tank wall - in this example, the rinsing tank rear wall 15.
  • the cleaning result can be further optimized, since the only outlet point for the steam for loading the pot 16 is in the border area of the washing compartment 2 and the other “normal” items of washing - arranged in the other area of the lower crockery basket 14 - do not affect.
  • the object of the invention advantageously results in an arrangement of the device provided for providing the steam with separate steam dispenser 7 and steam jet 8 - in conjunction with steam jet nozzle 9 - such that the steam jet 8 always has the same predetermined position in the washing compartment 2, which can be specially marked and designed to accommodate the special items 16 to be cleaned - for example without the usual spikes, but with a separate locking device in the lower crockery basket 14 - with which steam is applied.
  • An uncontrolled escape of the steam into the entire rinsing container 2 is just avoided by the invention, which leads to an improvement in the cleaning result with the greatest possible utilization of the steam and, moreover, does not depend on the activation of a separate steam rinsing process.
  • FIG. 2 shows a block diagram of the devices for providing the steam in the dishwasher according to FIG. 1.
  • the steam dispenser 7 is located in a particularly favorable manner, preferably arranged parallel to the instantaneous water heater 18, and the one supplied by the steam dispenser 7 and with a steam jet nozzle 9 provided steam jet 8 in the hydraulic circuit of the dishwasher. This is the only way to automatically fill the steam dispenser 7 with liquid several times during a rinse cycle and evaporate it. A separate steam rinse cycle is not required, which avoids additional control and expenditure of time.
  • the liquid - preferably clear water - is conveyed via the upstream circulation pump 17, transported by the instantaneous heater 18 - both in the switched-off and in the switched-on state for heating the water - and to the spray device 13 and in a parallel way via an inlet valve 19 forwarded to the steam dispenser 7.
  • a check valve 20 is inserted at the outlet of the steam dispenser 7 for safety reasons.
  • the hydraulic circuit closes - shown in dashed lines - by draining off the flushing liquid a rinsing process and supply of new liquid via the circulating pump 17 into the water cycle.
  • the steam jet nozzle 9 with built-in two-way valve 25 and 25 ' is shown in a side sectional view - FIG. 3 - so an external view - FIG. 4.
  • the steam jet 8 is provided with a combined steam jet nozzle 9 which has an outlet opening 24 for a liquid jet and another outlet opening 23 for the steam. Due to the separate jet and steam paths, the deposits that inevitably arise in the steam generator and / or steam jet and / or the nozzle - especially the lime particles formed during the heating of the liquid or the evaporation - can be rinsed out with water, for example. without having to replace one of the above devices manually.
  • the use of a rinse aid liquor improves the result of the flushing out of residues, including the lime particles, in the facilities mentioned.
  • the steam jet nozzle 9 is provided with a two-way valve 25 which closes one outlet opening 24 and simultaneously opens or leaves the other outlet opening 23 open.
  • one and the same valve 25 automatically selects the path for emitting liquid and, on the other hand, the path for the vapor to escape.
  • the outlet opening 23 for the steam is preferably directed upwards and the outlet opening 24 for the liquid jet is directed to the side.
  • the outlet opening for the steam and the outlet opening for the liquid jet can also be directed parallel in the steam jet nozzle 9, see also the structure of the two-way valve according to FIG. 5.
  • the two-way valve 25 of the nozzle 9 is particularly advantageously constructed as a double ball float - in the manner of a dumbbell with two balls attached to the ends - which, when the steam dispenser is switched on, closes the outlet opening 24 intended for the liquid jet through its upper spherical end 22 and which, when the steam dispenser is switched off and from below - via the coupled steam jet 8 - is conveyed into the interior of the nozzle 9 and flowing in liquid through its lower spherical end 21 upwards in the direction of the other outlet opening 23 moves - floats - and through its upper spherical end 22 closes this outlet opening 23 for the steam and opens the outlet opening 24 provided for the liquid jet, through which the water is then rinsed out laterally.
  • the illustration in FIG. 4 shows an external view of the coupling of the steam jet 8 to the housing 9 'of the steam jet nozzle with the two outlet openings 23, 24 directed to the side and upwards.
  • this is designed as a spoon-ball arrangement - in the manner of a balance with a spoon at one end and a ball at the other end - which when switched on tetem steam dispenser through the spoon-shaped end 27 closes the outlet opening 24 'provided for the liquid jet, and its spherical end 26 moves upwards in the direction of the other parallel opening when the steam dispenser is switched off and the conveyed liquid flowing into the interior of the nozzle from below as well as the outlet opening 23 'provided for the steam and the spoon-like end of which opens the outlet opening 24' for the liquid jet.
  • a further embodiment of the invention has proven to be of particular value, in which through the outlet openings 24, 24 'of the steam jet nozzle 9 which are provided for the exit of a liquid jet, a liquid - preferably clear water - is placed on the one arranged in the washing container Sieve - see reference numeral 10 in Figure 1 - is emitted for screen cleaning.
  • the nozzle 9 can be used not only for the discharge of steam at the predetermined location for cleaning purposes for special items to be cleaned, such as a heavily soiled pot, but also elsewhere in the rinsing container for cleaning purposes for other facilities, preferably for that which often contains solid particles dirty strainer, can also be used. Otherwise, this is only possible in a separate cleaning process - usually manually by the user - and not automatically as in the dishwasher designed according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP02792807A 2001-12-28 2002-11-26 Lave-vaisselle destine a recevoir de la vaisselle a laver disposee dans une enceinte de lavage Expired - Lifetime EP1460927B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10164503 2001-12-28
DE10164503A DE10164503A1 (de) 2001-12-28 2001-12-28 Geschirrspülmaschine zur Aufnahme von in einem Spülbehälter angeordnetem Reinigungsgut
PCT/EP2002/013314 WO2003055373A1 (fr) 2001-12-28 2002-11-26 Lave-vaisselle destine a recevoir de la vaisselle a laver disposee dans une enceinte de lavage

Publications (2)

Publication Number Publication Date
EP1460927A1 true EP1460927A1 (fr) 2004-09-29
EP1460927B1 EP1460927B1 (fr) 2009-02-11

Family

ID=7711162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02792807A Expired - Lifetime EP1460927B1 (fr) 2001-12-28 2002-11-26 Lave-vaisselle destine a recevoir de la vaisselle a laver disposee dans une enceinte de lavage

Country Status (8)

Country Link
US (1) US6997196B2 (fr)
EP (1) EP1460927B1 (fr)
KR (1) KR20040076876A (fr)
AT (1) ATE422323T1 (fr)
AU (1) AU2002358543A1 (fr)
DE (2) DE10164503A1 (fr)
ES (1) ES2321818T3 (fr)
WO (1) WO2003055373A1 (fr)

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KR20080034549A (ko) * 2006-10-17 2008-04-22 엘지전자 주식회사 식기 세척기의 제어 방법
KR101306717B1 (ko) * 2007-03-31 2013-09-11 엘지전자 주식회사 식기 세척기 및 그 제어 방법
KR101314617B1 (ko) * 2007-03-31 2013-10-07 엘지전자 주식회사 식기 세척기의 제어 방법
KR101328956B1 (ko) * 2007-08-06 2013-11-13 엘지전자 주식회사 식기세척기
KR101306732B1 (ko) * 2007-08-31 2013-09-11 엘지전자 주식회사 식기 세척기의 제어방법
DE102007056707A1 (de) 2007-11-26 2009-05-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
KR100985384B1 (ko) * 2008-06-27 2010-10-05 주식회사 경동네트웍 온수 공급 시스템에서 저유량의 온수 사용시 온수 온도를제어하기 위한 방법
KR20100023169A (ko) * 2008-08-21 2010-03-04 엘지전자 주식회사 식기세척기 및 식기세척기의 제어방법
KR20100023175A (ko) * 2008-08-21 2010-03-04 엘지전자 주식회사 식기 세척기
DE102008062761B3 (de) * 2008-12-18 2010-03-25 Miele & Cie. Kg Besteckschublade für eine Geschirrspülmaschine
DE102008055017B4 (de) * 2008-12-19 2016-08-18 BSH Hausgeräte GmbH Geschirrspülmaschine
US9931017B2 (en) 2010-11-16 2018-04-03 Martin A. Alpert Washing apparatus and method with spiral air flow for drying
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KR102359166B1 (ko) 2017-03-20 2022-02-04 엘지전자 주식회사 펌프 및 이를 포함하는 식기세척기
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Also Published As

Publication number Publication date
WO2003055373A1 (fr) 2003-07-10
ES2321818T3 (es) 2009-06-12
US6997196B2 (en) 2006-02-14
AU2002358543A1 (en) 2003-07-15
DE10164503A1 (de) 2003-07-17
DE50213276D1 (de) 2009-03-26
US20040261824A1 (en) 2004-12-30
KR20040076876A (ko) 2004-09-03
ATE422323T1 (de) 2009-02-15
EP1460927B1 (fr) 2009-02-11

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