EP1673000A1 - Lave-vaisselle a canaux de pulverisation integres - Google Patents

Lave-vaisselle a canaux de pulverisation integres

Info

Publication number
EP1673000A1
EP1673000A1 EP04765895A EP04765895A EP1673000A1 EP 1673000 A1 EP1673000 A1 EP 1673000A1 EP 04765895 A EP04765895 A EP 04765895A EP 04765895 A EP04765895 A EP 04765895A EP 1673000 A1 EP1673000 A1 EP 1673000A1
Authority
EP
European Patent Office
Prior art keywords
spray
washing
spray channel
washing container
container
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
EP04765895A
Other languages
German (de)
English (en)
Other versions
EP1673000B1 (fr
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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1673000A1 publication Critical patent/EP1673000A1/fr
Application granted granted Critical
Publication of EP1673000B1 publication Critical patent/EP1673000B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A47L15/14—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

Definitions

  • the invention relates to a dishwasher with one or more washing containers and a device for spraying items to be washed arranged in the washing container.
  • Dishwashers with spray devices which operate with rotating spray arms. Since in the conventional dishwashers the washing container usually has a rectangular outline, while the rotating spray arms have a circular effective area, the respective corner areas can only be sprayed with washing liquid inadequately by the rotating spray arms.
  • rotating spray arms have the disadvantage that they are moving parts which are subject to both wear due to movement and increased susceptibility to faults if, for example, items to be washed which are in the range of motion of the spray arm hinder the rotation of the spray arm.
  • dishwashers with spray devices are known in the prior art, in which washing liquid in the washing container is acted upon by fixed spray nozzles or spray showers.
  • Such spray devices have the disadvantage that they protrude into the interior of the washing container and the emerging spray jet has a predetermined direction, so that a uniform cleaning effect of the items to be washed cannot be guaranteed.
  • the object of the present invention is therefore to provide a dishwasher with a space-saving device for spraying dishes, in which the washing liquid is sprayed as uniformly as possible into the washing container in order to efficiently apply washing liquid to the dishes, and the wear caused by moving parts and the susceptibility to faults is eliminated.
  • the dishwasher according to the invention comprises at least one washing container and a spray device for spraying washing liquid into the interior of the washing container, wherein the spray device has at least one spray channel carrying washing liquid, which is integrated in the floor, ceiling and / or wall area of the washing container and on one to the interior side of the washing compartment facing openings for the passage of the washing liquid.
  • An advantage of the dishwasher with a spray device according to the present invention is that the spray channel integrated in the floor, ceiling or wall area of the washing container improves the uniform spray distribution of the washing liquid in the washing container.
  • the dishwasher according to the invention for guiding and distributing the washing liquid there are no moving components, such as e.g. Spray arms, required and thereby also eliminates movement-related wear or the susceptibility to faults of moving parts. The consequence of this is that, for example, falling crockery parts no longer interfere with the spray distribution of the washing liquid, since there are no longer any mechanically moving parts which could be obstructed in their range of motion.
  • the space usable for arranging items to be washed is increased in the washing container.
  • the crockery parts can be arranged extremely close to the floor, ceiling or wall area of the washing compartment, since there is no longer any need for freedom of movement for a rotating spray arm.
  • there is also greater freedom in the design of the crockery baskets located in the washing container since no rotating spray arms or components for distributing the washing liquid protruding from the floor, ceiling or wall regions of the washing container are to be taken into account.
  • Another advantage of the spray device of the dishwasher according to the invention is that the length and width of the washing container no longer have to be designed in a ratio of at least almost 1: 1 - as is required, for example, in the case of a spray device with rotating spray arms - but in almost Any shape can be designed, since the spray channels integrated in the floor, ceiling and / or wall area of the washing container of any shape Rinsing container can be adjusted accordingly.
  • the shape and / or the number of openings for the passage of the washing liquid are preferably determined such that the desired washing is achieved in the interior of the washing container.
  • a spray distribution that is as uniform as possible or an uneven spray distribution can be sought, in which certain areas in the washing compartment are washed more than others.
  • the at least one spray channel is tubular and preferably has two open ends, via which
  • Flushing liquid can be supplied under pressure. This way, both
  • Ends of the tubular spray channel irrigation liquid are supplied under pressure independently.
  • the supply of the rinsing liquid to the spray channel is carried out by a pump device, e.g. the circulation pump of the dishwasher.
  • the pressure at which the rinsing liquid is supplied to the spray channel via one end or via both ends is expediently variable. That means that either the pressure for the supply of flushing liquid only over one end of the
  • Spray channel or the pressure for the supply of rinsing liquid can be varied via both ends of the spray channel.
  • the supply of rinsing liquid to the spray channel with time-variable pressure enables the generation of spray patterns that can be adapted, for example, to specific items to be washed.
  • the spray patterns result from the different pressure distribution of the flushing liquid in the spray channel, which results from the temporal variation of the pressure with which the flushing liquid is supplied via the two ends of the spray channel, the liquid pressure generated at one end of the spray channel also liquid pressure generated at the other end of the spray channel is different.
  • jets of rinsing liquid of different strengths emerge from the openings of the spray channel at different pressures into the interior of the rinsing container. Due to the different pressurization at the ends of the spray channel, the pressure maximum in the spray channel, ie the location along the channel in which the emerging beam reaches its max. Impulse power has to be varied.
  • the variation in the pressure with which the rinsing liquid is fed to the spray channel can be controlled by pressure distribution using electronic, hydraulic or mechanical means.
  • the use of an electronically controlled pressure distribution has the advantage that again no rotating or moving components are required, since both the spray intensity and the spray pattern are carried out via a controlled pressure sequence and pressure control.
  • a large number of different spray patterns can be generated in accordance with a wash program selection. When selecting the spray pattern, it is possible to take into account the different contamination levels and the type of wash ware.
  • the side of the spray channel facing the interior of the washing container lies essentially in one plane with the floor, ceiling or wall surface of the washing container facing the interior of the washing container, in which the spray channel is integrated. This results in flat surfaces on the floor, ceiling or wall area of the washing compartment, which on the one hand offer an appealing visual appearance and on the other hand allow the arrangement of wash ware in the immediate vicinity of the floor, ceiling or wall area of the washing compartment.
  • the spray channel preferably has a round, preferably circular cross section.
  • the hydraulic losses can thus be kept low.
  • the spray channel can also have a rectangular, preferably essentially square, cross section, one side of the spray channel facing the interior of the washing container. It when the spray channel from the floor, ceiling or wall area of the washing compartment is manually detachable and is preferably fixable via a clamp connection in the floor, ceiling and / or wall area of the washing compartment is particularly advantageous.
  • the spray channel can be removed from the rinsing container if necessary, for example to free it of deposits. But it can also be replaced by another spray channel with different openings for the discharge of rinsing liquid to get another spray pattern.
  • a wall of the spray channel facing the interior of the washing container can be designed to be detachable manually, the side in question preferably being fixable on the spray channel via a clamp connection in the floor, ceiling and / or wall area of the washing container.
  • the removable side of the spray channel makes it possible to remove it from the spray channel like a lid in order to gain access to the interior of the spray channel. It is particularly useful here if the removable side of the spray channel is also the side which has the openings for the passage of the washing liquid from the spray channel into the interior of the washing container. As a result, only the cover of the spray channel can be removed if necessary, for example to remove deposits from the openings, to inspect the interior of the spray channel or to replace it with another cover.
  • the side of the spray channel facing the interior of the washing container can, however, also be formed by the ceiling, the wall and / or the bottom of the washing container, the ceiling, the wall and / or the floor in the region of the spray channel
  • the rinsing containers are usually made of plastic, the openings for the passage of the rinsing liquid can either be introduced subsequently or can already be provided during the production of the rinsing container.
  • the entire spray channel can also be formed in one piece with the ceiling, the wall and / or the bottom of the washing container and can already be provided during the production of the washing container.
  • the washing container is designed like a trough, and at least in the bottom of the washing container a number of spray channels, preferably aligned parallel to one another, are integrated.
  • the number of spray channels depends on the volume of the rinsing container or the area of the dishwasher base.
  • the installation of several spray channels favors a uniform spray distribution of the rinsing liquid in the rinsing container and prevents this "Shading" of spray jets through the items to be washed.
  • the bottom of the washing container can be shaped in such a way that the spray channels are on different levels and thus several spray levels are formed.
  • FIG. 1 shows a partial sectional illustration of the bottom of the washing compartment of a dishwasher with a spray device according to a first embodiment of the present invention
  • FIG. 2 shows a second partial sectional view from the bottom of the washing compartment of a dishwasher with a spray device according to the embodiment shown in FIG. 1,
  • FIG. 3 shows a partial sectional view from the bottom of the washing container of a dishwasher with a spray device according to a second embodiment of the present invention
  • Figure 4 is a partial sectional view of the bottom of the washing container of a dishwasher with a spray device according to a third embodiment of the present invention.
  • Figure 5 is a partial sectional view of the bottom of the washing container of a dishwasher with a spray device according to a fourth embodiment of the present invention.
  • FIG. 1 shows a part of the washing container 1 of a dishwasher with a spray device according to a first embodiment of the present invention.
  • a part of the bottom 2 of the washing container 1 is shown, in which a recess 3 is provided in the form of a channel.
  • a removable cover 7 is arranged on the recess 3 in the bottom 2 of the washing compartment 1 and covers the recess 3 over its entire length.
  • the recess 3 thus cooperates with the cover 7 represents a spray channel 4, to which flushing liquid is supplied during operation, for example via the circulation pump. Openings 9 are provided in the cover 7 for the passage of the washing liquid from the spray channel 4 into the interior of the washing container 1.
  • the cover 7 has a symmetrical and essentially U-shaped cross section, the two free ends of the U-shaped cross section being formed by legs 8.
  • the cover 7 is made of an elastic material, so that the legs 8 can be flexibly bent against one another against a bias. In this way, a clamp connection is formed between the legs 8 and the side wall 6 of the spray channel 4, as a result of which the cover 7 is fixed in the base 2 of the washing container 1 on the spray channel 4.
  • the removable cover 7 of the spray channel 4 makes it possible, if necessary, to remove it from the spray channel 4 like a cover, for example in order to inspect the inside of the spray channel 4 and to remove deposits or to attach another cover 7.
  • FIG 2 shows a second partial sectional view of the bottom 2 of the washing container 1 of a dishwasher with a spray device according to the embodiment shown in Figure 1.
  • the recess 3 in the bottom 2 of the washing container 1 represents a spray channel 4, which is closed by the cover 7 to the interior of the washing container 1.
  • the cover is fixed via the clamp connection between the two legs 8 and the side walls 6 of the spray channel 4.
  • openings 9 for the passage of the washing liquid from the spray channel 4 into the interior of the washing container 1.
  • FIG 3 shows a partial sectional view of the bottom 2 of the washing container 1 of a dishwasher with a spray device according to a second embodiment of the present invention.
  • the spray channel 5 is designed to be closed, the side of the spray channel 5 facing the interior of the washing container 1 having openings 9 for the passage of the washing liquid.
  • the spray channel 5 is also designed such that it can be released manually from the bottom 2 of the washing container 1 and can be fixed again by means of a clamp connection. This makes it possible to remove the spray channel 5 from the rinsing container 1, if necessary, in order to free it from deposits, for example, or to replace it with another spray channel 5.
  • the spray channel 4 has an essentially rectangular, almost square cross section.
  • the spray channel 5 has a trapezoidal cross-section, the distance between the side walls 6 of the spray channel 5 from the side of the spray channel 5 facing the interior of the washing container 1 to the side of the spray channel facing away from the interior of the washing container 1 5 tapered.
  • such a spray channel can also be provided with a round or at least partially round, preferably circular cross section. This would improve the hydralic parameters, albeit more complicated to manufacture.
  • Figure 4 shows a partial sectional view of the bottom 2 of the washing compartment 1 of a dishwasher with a spray device according to a third embodiment of the present invention.
  • the side of the spray channel 4 facing the interior of the washing container 1 is formed by the base 2 of the washing container 1, the base 2 in the region of the spray channel 4 having openings 9 for the passage of the flushing liquid.
  • the remaining walls of the spray channel 4 and thus the spray channel 4 as a whole can be formed in one piece with the bottom 2 of the washing container 1, the openings 9 for the passage of the Rinsing liquid can either be introduced subsequently or already provided during the manufacture of the rinsing container 1.
  • FIG. 5 shows a partial sectional view of the bottom 2 of the washing container 1 of a dishwasher with a spray device according to a fourth embodiment of the present invention.
  • the design of the spray channels 4 essentially corresponds to the embodiment shown in FIGS. 1 and 2.
  • the washing container 1 is trough-shaped, a number of depressions, which are preferably arranged parallel to one another and provided with covers 7, being provided in the base 2 of the washing container 1.
  • the depressions 3 together with the covers 7 represent spray channels 4, which are integrated in this way in the bottom 2 of the washing compartment 1.
  • the number of spray channels 4 should be adapted to the volume of the washing container 1 or to the area of the dishwasher base 2.
  • the bottom 2 of the washing container 1 is shaped in such a way that the spray channels 4 lie on different levels and thus several spray levels are formed.
  • the establishment of a plurality of spray channels 4, 5 favors a uniform spray distribution of the washing liquid in the washing container 1, which is further improved by the arrangement of the spray channels 4 at different heights.

Abstract

L'objectif de l'invention est de mettre à disposition un dispositif servant à asperger des objets à laver se trouvant dans un lave-vaisselle, qui permette de soumettre le plus efficacement possible lesdits articles à laver à l'action d'un fluide de lavage, et également d'éviter l'usure résultant de parties déplacées et le risque défaillance. Cet objectif est atteint avec le lave-vaisselle selon l'invention, par le fait qu'il comporte un dispositif de pulvérisation servant à pulvériser du fluide de lavage dans l'espace intérieur de la cuve de lavage (1), lequel comprend au moins un canal de pulvérisation (4, 5) conduisant le fluide de lavage, qui est intégré dans la zone du fond, du couvercle et/ou de la paroi de la cuve de lavage (1) et présente, sur un côté tourné vers l'espace intérieur de la cuve de lavage (1), des ouvertures (9) destinées au passage du fluide de lavage. Ainsi, d'une part la répartition du fluide de lavage pulvérisé dans la cuve de lavage est plus uniforme, et, d'autre part, il n'est plus nécessaire d'avoir des parties déplacées, par exemple des bras gicleurs, pour la répartition du fluide de lavage, ce qui offre également une grande liberté dans la définition de la forme de la cuve de lavage et du panier à vaisselle.
EP04765895.0A 2003-10-08 2004-10-08 Lave-vaisselle a canaux de pulverisation integres Not-in-force EP1673000B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10346676A DE10346676A1 (de) 2003-10-08 2003-10-08 Geschirrspüler mit integrierten Sprühkanälen
PCT/EP2004/011270 WO2005034712A1 (fr) 2003-10-08 2004-10-08 Lave-vaisselle a canaux de pulverisation integres

Publications (2)

Publication Number Publication Date
EP1673000A1 true EP1673000A1 (fr) 2006-06-28
EP1673000B1 EP1673000B1 (fr) 2013-06-05

Family

ID=34399353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765895.0A Not-in-force EP1673000B1 (fr) 2003-10-08 2004-10-08 Lave-vaisselle a canaux de pulverisation integres

Country Status (6)

Country Link
US (1) US7887642B2 (fr)
EP (1) EP1673000B1 (fr)
CN (1) CN100591260C (fr)
DE (1) DE10346676A1 (fr)
NZ (1) NZ546281A (fr)
WO (1) WO2005034712A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1701645B1 (fr) * 2003-12-22 2015-02-25 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle a buses de pulverisation fixes

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
DE602006003524D1 (de) 2006-03-02 2008-12-18 Fiat Ricerche Brennkraftmaschine mit Mitteln zur Bestimmung Frischluftmasse, und dazugehörige Methode zur Bestimmung
US20120111376A1 (en) * 2010-11-08 2012-05-10 Worrasangasilpa Brian Device for pre-rinsing objects in an appliance utilizing line pressure of a fluid supply
DE102012202246B4 (de) 2012-02-15 2024-02-08 BSH Hausgeräte GmbH Geschirrspülmaschine mit einer Sprüheinrichtung
US9155447B2 (en) 2012-11-13 2015-10-13 Whirlpool Corporation Dish rack with integral hydraulic circuit
US9713414B2 (en) 2013-06-21 2017-07-25 Whirlpool Corporation Dishwasher having a conduit framework
US9895043B2 (en) 2015-08-26 2018-02-20 Whirlpool Corporation Method of using high velocity water to remove puddling in a dishwasher
CN108464805A (zh) * 2018-04-17 2018-08-31 浙江欧琳生活健康科技有限公司 一种增压型脉冲清洗设备
US11147430B2 (en) 2019-03-27 2021-10-19 Midea Group Co., Ltd. Dishwasher including rack corner sprayers

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EP1701645B1 (fr) * 2003-12-22 2015-02-25 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle a buses de pulverisation fixes

Also Published As

Publication number Publication date
US7887642B2 (en) 2011-02-15
EP1673000B1 (fr) 2013-06-05
US20070074746A1 (en) 2007-04-05
CN100591260C (zh) 2010-02-24
CN1867289A (zh) 2006-11-22
NZ546281A (en) 2009-07-31
DE10346676A1 (de) 2005-05-04
WO2005034712A1 (fr) 2005-04-21

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