EP1681976B1 - Vorrichtung zur ansteuerung von sprühkanälen in geschir rspülmaschinen - Google Patents

Vorrichtung zur ansteuerung von sprühkanälen in geschir rspülmaschinen Download PDF

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Publication number
EP1681976B1
EP1681976B1 EP04818154A EP04818154A EP1681976B1 EP 1681976 B1 EP1681976 B1 EP 1681976B1 EP 04818154 A EP04818154 A EP 04818154A EP 04818154 A EP04818154 A EP 04818154A EP 1681976 B1 EP1681976 B1 EP 1681976B1
Authority
EP
European Patent Office
Prior art keywords
spray
distributor
rinsing liquid
rinsing
spray channel
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.)
Not-in-force
Application number
EP04818154A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1681976A1 (de
Inventor
Helmut Jerg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34559377&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1681976(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL04818154T priority Critical patent/PL1681976T3/pl
Publication of EP1681976A1 publication Critical patent/EP1681976A1/de
Application granted granted Critical
Publication of EP1681976B1 publication Critical patent/EP1681976B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/4214—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
    • A47L15/14—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
    • A47L15/4289—Spray-pressure measuring or regulating arrangements

Definitions

  • the subject matter of the invention is a dishwashing machine with spray channels for impinging washing items with dishwashing liquid, and in particular a device for controlling these spraying channels.
  • dishwashers with spray devices are known in which rinsing liquid is applied to the items to be washed in the washing container via fixed spray nozzles or spray nozzles.
  • Such spraying devices have the disadvantage that they protrude into the interior of the washing and thus reduce the usable space for the arrangement of items in the washing compartment.
  • the known spraying develop only constant spray, which is detrimental to the cleaning effect of the dishes.
  • the dishwasher according to the FR-A-2 285 838 has a spray device arranged on an inner washing container, which has a multiplicity of openings for the discharge of rinsing liquid. Furthermore, the spraying device has two open ends, can be supplied by the flushing liquid by applying pressure. Furthermore, a distributor is provided, which makes it possible to regulate the supply of rinsing liquid to the spray device.
  • a dishwashing machine which has a spraying device which allows a dishwashing basket to be sprayed with washing liquid.
  • the spraying device comprises a short pipe section with an outlet opening.
  • a plurality of these pipe sections form an inner wall of the washing container circulating spray device, which has two open ends, which are connected to a manifold, which regulates the supply of rinsing liquid.
  • a dishwasher with integrated spray channels is known.
  • the spray channels are arranged in the washing compartment of the dishwasher and have openings for the discharge of rinsing water, as well as two open ends, which are connected to a manifold, which allows to regulate the supply of rinsing liquid.
  • Object of the present invention is therefore to provide a dishwasher with a space-saving device for spraying ware, in which the rinse is on the one hand sprayed as evenly as possible in the washing to efficiently wash the wash ware, and on the other hand, the developed spray jets are variable to to improve the cleaning effect of the dishes.
  • the dishwasher according to the invention has at least one rinsing container and a spraying device for spraying rinsing liquid into the interior of the rinsing container, wherein the spraying device comprises at least one rinsing liquid-carrying spray channel, which is directed towards the interior of the rinsing container
  • Has openings for the passage of the rinsing liquid and two open ends, can be supplied pressurized via the rinsing liquid, wherein at least one distributor is provided which regulates the supply of rinsing liquid to the spray channel.
  • the at least one distributor can be driven via a drive to a preferably periodic movement. In one embodiment, this allows the reciprocating movement of the distributor, for example, in alternating directions and thus the position of the passages or the supply of rinsing liquid to the spray channels are precisely controlled.
  • the drive expediently has a rotary disk and a driver arranged thereon, which engages in a drive slot formed in the distributor.
  • An advantage of the dishwasher with a spraying device according to the present invention is that for distributing the rinsing liquid in the rinsing container no moving components, such as e.g. Sprayer arms, are required and thereby a movement-related susceptibility to interference of moving parts is eliminated in the washing. This has the consequence that, for example falling crockery parts no longer disturb the spray distribution of the rinsing liquid, since no more mechanically moving parts are present in the washing, which could be hindered in their range of motion.
  • no moving components such as e.g. Sprayer arms
  • the usable space for the arrangement of items to be washed in the washing is increased.
  • the crockery parts can be placed extremely close to the bottom, ceiling or wall area of the washing container, since no more freedom of movement for a rotating spray arm has to be taken into account.
  • the freedom in the design of dish rinse baskets located in the washing container is greater, since no more space for rotating spray arms or components for the distribution of the rinsing liquid projecting from the bottom, ceiling or wall portions of the washing container are taken into account.
  • the advantage of controlling the spraying device by means of a distributor in the dishwasher according to the invention is that the spraying device not only develops consistent spraying jets, but due to the regulation of the supply of washing liquid supplied to the spraying channel, different spraying patterns can be produced by the distributor the cleaning effect of Dishwasher improved.
  • the spray patterns can also be made variable in time.
  • Yet another advantage of the spraying device of the dishwashing machine according to the invention is that the length and width of the washing container need not be formed approximately in a ratio of 1: 1 - as required, for example, in a spraying device with rotating spraying arms - but in almost any desired shape can be designed, since the spray can be adapted to each shape of the washing container accordingly.
  • the pressure build-up and the pressure reduction of the flushing liquid fed to the jet channel is regulated by the distributor. In this way, the intensity of the spray jets emerging from the spray channels can be varied. Since the spray channels each have two open ends, the spray channels can be supplied from both sides rinsing liquid with different pressurization in order to obtain a "moving jet" or a spray pattern. Thus, jet pressure maxima can migrate from one end of the spray channel to its other end.
  • the spray patterns are created by the different pressure distribution of the rinsing liquid in the spray channel, which results from the time variation of the pressure with which the supply of rinsing liquid via the two ends of the spray channel, wherein the liquid pressure generated at one end of the spray channel via the manifold to the liquid pressure generated at the other end of the spray channel is different.
  • differently strong jets of rinsing liquid with different pressure emerge from the openings of the spray channel into the interior of the rinsing container.
  • the supply of rinse liquid to the variable pressure spray channel i. By controlled via the manifold pressure flow and pressure control, thus allowing the production of different spray patterns, which can be adapted for example to certain items to be washed or pollution levels.
  • the spray channels are preferably coupled at their two ends via detachable connecting elements to the manifold and thereby with the rinsing fluid circuit, in particular with the Circulation pump connected.
  • a corresponding number of spray patterns can be provided via a corresponding wash program selection, wherein it is also possible to take into account the type and different contamination states of the wash items when selecting the spray patterns.
  • the spray channels each have two open ends, with the open ends of the spray channels coupled on one side to a first manifold and the open ends of the spray channels on the opposite side to a second manifold.
  • Both the spray intensity and the spray pattern are preferably regulated via a controlled pressure drain and pressure control by means of the manifolds.
  • a plurality of different spray patterns can be generated in accordance with a wash program selection. When selecting the spray patterns, it is possible to take into account the different soiling conditions and the type of items to be washed.
  • the distributor is movably arranged and preferably displaceable in a reciprocating motion in alternating directions.
  • the reciprocating movement of the distributor varies or regulates the pressure with which the rinsing liquid is supplied to the spray channels.
  • the distributor expediently has at least one passage through which, in the case of a specific position of the distributor, rinsing fluid can be supplied pressurized via an open end of the spray channel.
  • the pressurized rinse fluid may freely enter the spray channel through the manifold. If the passage is due to a lateral displacement of the manifold adjacent the open end of the spray channel, then no flushing liquid can enter the spray channel through the manifold.
  • the reciprocation of the distributor causes the passage to be either fully or partially in front of the open end of the spray channel, and thus more or less irrigation fluid to enter the spray channel through the manifold.
  • the movement of the distributor can also be set up so that the passage is located completely next to the open end of the spray channel and thus no rinsing liquid enters the spray channel through the distributor.
  • a distributor is provided both at the first open end of the at least one spray channel and at the second open end of the at least one spray channel, which regulate the supply of flushing liquid to the spray channel.
  • irrigation fluid can be supplied under pressure to the two ends of the tubular spray channel independently of one another.
  • a pumping device such. the circulating pump of the dishwasher, accomplished.
  • the pressure with which the rinsing liquid is supplied to the spray channel via its one end or via its two ends can be varied.
  • either the pressure for the supply of rinsing liquid can only be varied via one end of the spray channel or the pressure for the supply of rinsing liquid over both ends of the spray channel.
  • a number of spray channels is provided, whose first open end is in each case coupled to a first distributor and whose second open end is in each case coupled to a second distributor.
  • the pressure with which the rinsing liquid is supplied to the distributor or the distributors and then to the spray channel can also be varied. As a result, a wider range of spray patterns can be generated.
  • the spray channel is like a tube and the openings for the passage of the rinsing liquid over a certain arc segment are formed on the directed to the interior of the rinsing container side of the spray channel. This allows the spray jets to emerge from the openings in different directions.
  • the shape and / or the number of openings for the passage of the rinsing liquid and the spray patterns produced are preferably determined so that the desired rinsing is achieved in the interior of the rinsing container. In this case, the most uniform possible spray distribution or an uneven spray distribution be sought in which certain areas are rinsed in the washing more than others.
  • the washing container is formed like a tub, and at least in the bottom of the washing container a number of preferably parallel aligned spray channels is arranged.
  • the number of spray channels depends on the volume of the washing container or on the surface of the dishwasher base. The establishment of several spray channels promotes a uniform spray distribution of the rinsing liquid in the washing and prevents the "shading" of spray through the dishes.
  • the bottom of the washing container can be shaped such that the spray channels are at different levels and thus a plurality of spray levels are formed.
  • the spray channel can preferably be arranged fixed in the floor, ceiling and / or wall region of the washing container via a clamping connection. Thereby, the spray can be removed if necessary from the washing, for example, to rid it of deposits or to replace it with another spray channel with different openings for the escape of rinsing liquid to obtain a different spray pattern.
  • the directed to the interior of the Spül mattersers side of the spray channel may also be formed by the ceiling, the wall and / or the bottom of the washing container, wherein the ceiling, the wall and / or the bottom in the region of the spray channel has the openings for the passage of the washing liquid ,
  • at least the directed to the interior of the washing container side of the spray channel and the ceiling, the wall and / or the bottom of the washing container is integrally formed.
  • the rinsing containers are usually made of plastic, the openings for the passage of the rinsing liquid can either be introduced subsequently or already provided during the production of the rinsing container.
  • the entire spray channel with the ceiling, the wall and / or the bottom of the washing container can be integrally formed and provided with the preparation of the washing container.
  • the drawing shows a perspective view of a spraying device, as it can be used for example in a dishwasher according to the present invention.
  • a plurality of tube-shaped spray channels 3 are arranged substantially parallel to each other in the bottom 2 of the washing compartment 1.
  • the dimensions of the washing container 1 are indicated by dashed lines.
  • openings 9 are provided for the passage of the rinsing liquid from the spray channel 3 into the interior of the washing compartment 1.
  • the openings 4 are formed over a specific arc segment on the side directed toward the interior of the washing container of the spray channel, so that the spray jets (not shown) emerge from the openings 4 in different directions. Since the openings 4 are distributed over the entire length of the spray channels 3, the possibility of "shading" of spray jets is reduced by items to be washed. Even with direct circulation of items to be washed on the spray channel 3, sprays can still escape from the spray channel 3 into the washing container 1 at other locations.
  • the spray channels 3 each have two open ends, wherein the open ends of the spray channels 3 open on one side into a first distributor 5 and the open ends of the spray channels 3 on the opposite side into a second distributor.
  • a first distributor 5 for clarity, only one distributor 5 is shown in the drawing, but has the same function and the same structure as the opposite - distributor - not shown.
  • the distributor 5 is movably arranged and can be offset by means of a drive 7, 8, 9 in a periodic reciprocating movement in alternating directions, which are indicated in the drawing by the double arrow A.
  • the distributor 5 has a plurality of passages 6 through which rinsing liquid can enter the spray channels 3 at certain positions of the distributor 5.
  • the pressure and the amount of the spray channels 3 supplied rinsing liquid is varied or regulated. If a passage 6 is located in front of the open end of a spray channel 3, the pressurized rinsing liquid can pass unhindered through the distributor 5 enter the spray channel 3. If the passage 6 is due to a lateral displacement of the manifold 5 completely adjacent to the open end of the spray channel 3, so no rinsing liquid can enter through the manifold 5 in the spray channel 3.
  • the movement of the distributor 5 can also be set up such that the passage 6 is located completely next to the open end of the spray channel 3 and thus no rinsing liquid enters the spray channel 3 through the distributor 5.
  • individual spray channels 3 or groups of spray channels 3 can be controlled separately, i. individual spray channels 3 or groups of spray channels 3 can be regulated via the distributor or distributors 5 in such a way that together they generate certain spray patterns.
  • individual spray channels 3 or groups of spray channels 3 can also be activated or deactivated, i. Rinsing fluid supplied or cut off from the rinsing liquid.
  • the drive of the distributor 5 comprises a rotary disk 7 and a driver 9 arranged thereon, which engages in a drive slot 9 formed in the distributor 5. While the rotary disk 7 rotates in one direction, the driver 8 makes a vertical up and down movement in the drive slot 9, thereby causing a horizontal reciprocating movement of the distributor 5 in the alternating directions of the double arrow A.
  • the drive 7, 8, 9 can be operated, for example, by a separate electric motor or by an impeller powered by flow of the rinsing liquid. Due to the reciprocating motion of the distributor 5 operated by the drive 7, 8, 9, the position of the passages or the supply of rinsing liquid to the spray channels 3 can be precisely controlled.
  • the spray channels 3 can be arranged both on the bottom 2 of the washing container 1 or integrated in the bottom 2 of the washing container 1. In this case, the attachment of the spray channels 3 on the washing container 1, for example via a clamping connection can be made detachable. As a result, it is possible to supply the spray channels 3 from the washing container 1 as needed To remove them, for example, to remove deposits or replace them with other spray channels 3.
  • the side of the spray channels 3 directed towards the interior of the washing compartment 1 may be formed by the base 2 of the washing compartment 1 itself, wherein the base 2 has openings 4 for the passage of the washing liquid in the area of the spray channels 3.
  • the remaining walls of the spray channel 4 and thus the spray channels 3 may be integrally formed with the bottom 2 of the washing container 1, wherein the openings 4 are introduced for the passage of the washing liquid either subsequently or already provided during the preparation of the washing compartment 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Spray Control Apparatus (AREA)
EP04818154A 2003-11-06 2004-11-04 Vorrichtung zur ansteuerung von sprühkanälen in geschir rspülmaschinen Not-in-force EP1681976B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04818154T PL1681976T3 (pl) 2003-11-06 2004-11-04 Urządzenie do kontrolowania kanałów natryskowych w zmywarce do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10351785A DE10351785A1 (de) 2003-11-06 2003-11-06 Vorrichtung zur Ansteuerung von Sprühkanälen in Geschirrspülmaschinen
PCT/EP2004/052797 WO2005044071A1 (de) 2003-11-06 2004-11-04 Vorrichtung zur ansteuerung von sprühkanälen in geschirrspülmaschinen

Publications (2)

Publication Number Publication Date
EP1681976A1 EP1681976A1 (de) 2006-07-26
EP1681976B1 true EP1681976B1 (de) 2008-05-14

Family

ID=34559377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04818154A Not-in-force EP1681976B1 (de) 2003-11-06 2004-11-04 Vorrichtung zur ansteuerung von sprühkanälen in geschir rspülmaschinen

Country Status (9)

Country Link
US (1) US8528574B2 (zh)
EP (1) EP1681976B1 (zh)
CN (1) CN100536753C (zh)
AT (1) ATE394985T1 (zh)
DE (2) DE10351785A1 (zh)
ES (1) ES2305905T3 (zh)
NZ (1) NZ546827A (zh)
PL (1) PL1681976T3 (zh)
WO (1) WO2005044071A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047344A1 (de) * 2006-10-06 2008-04-10 Meiko Maschinenbau Gmbh & Co. Kg Verfahren zum Verteilen eines Fluides in Reinigungsautomaten
US8166983B2 (en) * 2007-12-21 2012-05-01 Wolf Appliance, Inc. Fluid supply system for appliance
US8939162B2 (en) 2010-03-30 2015-01-27 Bsh Home Appliances Corporation Variable spray-pattern in water-using cleaning appliances
CN104274138B (zh) * 2013-07-11 2018-03-20 东莞市微电环保科技有限公司 一种节能型洗碗机
US9895043B2 (en) 2015-08-26 2018-02-20 Whirlpool Corporation Method of using high velocity water to remove puddling in a dishwasher
DE102017217382A1 (de) * 2017-09-29 2019-04-04 BSH Hausgeräte GmbH Haushalts-Geschirrspülmaschine
CN109589073B (zh) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 一种用于清洗机的喷淋机构以及应用有该喷淋机构的清洗机
WO2020078035A1 (zh) 2018-10-16 2020-04-23 佛山市顺德区美的洗涤电器制造有限公司 洗碗机
DE102019211403A1 (de) * 2019-07-31 2021-02-04 BSH Hausgeräte GmbH Haushalts-Geschirrspülmaschine
DE102019215312A1 (de) * 2019-10-07 2021-04-08 BSH Hausgeräte GmbH Haushaltsgeschirrspülmaschine

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1623203A (en) * 1919-07-14 1927-04-05 John F Patterson Dishwasher
US2239110A (en) * 1939-07-12 1941-04-22 John J Mahoney Cleansing device for dishes and the like
US2654894A (en) * 1952-03-14 1953-10-13 Foot bath
GB949954A (en) * 1960-12-23 1964-02-19 Apv Co Ltd A new or improved method of or apparatus for producing a liquid spray
DE1847897U (de) * 1961-11-21 1962-03-08 Hans Engel Geschirrspuel- bzw. waschmaschine od. dgl.
US3512539A (en) * 1968-07-08 1970-05-19 Arthur R Hamilton Washer having reciprocating work basket
DE1940574A1 (de) * 1969-08-08 1971-02-11 Exceltronic Ind Ltd Geschirrspuelmaschine
CH571852A5 (en) * 1974-07-24 1976-01-30 Bolla Lino Dishwasher for the catering trade - directs pulsating jet of hot water and washing liquid over dishes
CH585545A5 (zh) * 1974-09-24 1977-03-15 Luetolf Anton David
US3936851A (en) 1974-09-26 1976-02-03 Polaroid Corporation Ever-ready camera case
CH592436A5 (zh) * 1975-11-12 1977-10-31 Hildebrand Ed Ing Ag
DE2740923A1 (de) * 1977-09-10 1979-03-22 Woma Maasberg Co Gmbh W Vorrichtung zum reinigen von flachkoerpern o.dgl. reinigungsgut, insbesondere von kunststoffkaesten
DE8434858U1 (de) * 1984-11-28 1985-05-23 EKU-Metallbau Gastro-Großküchen-Center Egon Kulbach, 6250 Limburg Spuelautomat
US5357993A (en) * 1992-09-25 1994-10-25 St Martin Marty Produce washer
US6003529A (en) * 1997-09-30 1999-12-21 Adamation, Inc. Dish machine/pot washer
DE29809680U1 (de) * 1998-05-29 1998-08-20 Brüchert, Nils, 64297 Darmstadt Geschlitztes Rohr zur Erzeugung eines fächerförmigen Wasserstrahls mit der Möglichkeit der Positionsänderung durch Regulierung des Wasserdrucks
DE10228641B4 (de) * 2002-06-26 2008-06-19 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit einer Sprühvorrichtung und Verfahren
DE10228642A1 (de) * 2002-06-26 2004-01-29 BSH Bosch und Siemens Hausgeräte GmbH Sprühvorrichtung und -verfahren

Also Published As

Publication number Publication date
US20070079850A1 (en) 2007-04-12
CN1878494A (zh) 2006-12-13
PL1681976T3 (pl) 2008-10-31
WO2005044071A1 (de) 2005-05-19
DE502004007171D1 (de) 2008-06-26
NZ546827A (en) 2010-01-29
DE10351785A1 (de) 2005-06-09
US8528574B2 (en) 2013-09-10
ATE394985T1 (de) 2008-05-15
ES2305905T3 (es) 2008-11-01
EP1681976A1 (de) 2006-07-26
CN100536753C (zh) 2009-09-09

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