WO2009003783A2 - Compartiment intérieur pour un lave-vaisselle - Google Patents

Compartiment intérieur pour un lave-vaisselle Download PDF

Info

Publication number
WO2009003783A2
WO2009003783A2 PCT/EP2008/056892 EP2008056892W WO2009003783A2 WO 2009003783 A2 WO2009003783 A2 WO 2009003783A2 EP 2008056892 W EP2008056892 W EP 2008056892W WO 2009003783 A2 WO2009003783 A2 WO 2009003783A2
Authority
WO
WIPO (PCT)
Prior art keywords
inner container
container according
profiling
dishwasher
flow guide
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.)
Ceased
Application number
PCT/EP2008/056892
Other languages
German (de)
English (en)
Other versions
WO2009003783A3 (fr
Inventor
Egbert Classen
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 WO2009003783A2 publication Critical patent/WO2009003783A2/fr
Publication of WO2009003783A3 publication Critical patent/WO2009003783A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A47L15/4246—Details of the tub

Definitions

  • the invention relates to an inner container for a dishwasher and a dishwasher with such an inner container. Furthermore, the invention relates to a washing tub and a roof element for forming such an inner container.
  • DE 24 21 980 B2 proposes to provide the bottom tray of a washing container with ribs which extend to the outlet nozzle.
  • the water which precipitates on the floor pan is guided in the direction of the outlet pipe, whereby the fins calm the water flow.
  • the ribs counteract the formation of a rotary flow or a water ring on the bottom pan and direct this water to the outlet nozzle so that it is fed to the amount of water to be circulated. It is particularly provided that the floor pan through the for
  • Drain neck radiating ribs is divided into areas of equal area, thereby improving the flow of water to the drain neck.
  • EP 0 378 058 A1 discloses a dishwasher with flow guide elements on the floor pan in the form of ribs. These direct the water to specific, with different sifted areas, the bottom pan. This affects the drainage behavior of the water in the floor pan during a rinse cycle, thereby causing a sieve to be cleaned.
  • DE 27 48 960 A1 proposes a specific gradient profile of the Spül engageer convinceds and the adjoining drain pan, so that per unit time equal amounts of water drain pipe can be fed in the drain pan.
  • an air-free working of the circulation pump is made possible because of the matched slope profiles, the water level in the drain pan is exactly determinable.
  • the filling amount of the washing container can be reduced with water without the circulating pump sucking in air during the washing operation.
  • the invention has for its object to achieve a further reduction of the required amount of water.
  • an inner container for a dishwasher with the features of claim 1.
  • the inner container for a dishwasher inside surfaces that limit the washing compartment of a dishwasher can be included in the dishes and cutlery to be cleaned.
  • at least one of the inner surfaces at least in sections has a reduced droplet formation, which ensures a substantially drip-free or residue-free draining of rinsing liquor.
  • an accelerated drainage of rinsing liquor is possible, which collects in the sump of a dishwasher, before it is pumped off with a circulation pump.
  • the drying time of cleaned dishes and cutlery is reduced at the end of a cleaning process, since the reduced drop formation less rinsing liquor drops remain in the washing, which also evaporate at least partially during a drying process, which costs additional time and energy.
  • the invention allows an enlargement of the inner container of a dishwasher by using a flat design of the bottom pan, without this being with an increase in resource consumption.
  • an inner surface having a reduced formation of droplets relative to the rinsing fluid forms a base tray.
  • a reduced droplet formation with respect to rinsing fluid having inner surface forms a roof element. This prevents that at a roof element of a washing container rinsing water or rinse liquor drops adhering drops can not be promoted from the washing, since the drop formation is prevented by low adhesion. Furthermore, it may also be provided additionally or alternatively side walls and the rear wall of the washing container also at least partially form a reduced droplet formation having to counteract here also a drop formation.
  • an effective area ratio is reduced by the at least partially reduced drop formation.
  • the effective area of the ineffective area differs in that the ineffective area has a reduced droplet formation compared to the effective area with the result that outflowing rinse pool collects in the area of the effective area and there due to the increased Spülflottenmenge to no dripping can come.
  • the sectionally reduced droplet formation can be achieved by a lotus coating provided at least in sections.
  • the at least partially reduced adhesion is formed by a profiling.
  • the invention is based on the finding that the draining of the liquids specified in the rinsing process from an inclined plane is dependent on the properties of the liquid and in particular the inclination of the inclined plane.
  • a profiling an increase in the inclination relative to the existing large-surface inclination angle, for example, of a floor pan can be achieved locally. In this way, on the one hand, a flow of the rinsing liquor from local elevations to local sinks of the profiling in a floor pan is effected.
  • the profiling provides for a reduction in the effective area available to the wash liquor for drainage in the direction of the sump.
  • the amount of rinse liquor increases locally, thereby causing the flow rate to increase. This results in a shorter time until the rinsing liquor can be returned from the circulation pump in the water cycle again. In other words, the water return has been accelerated. In this way, the total amount of water required for a flushing process and thus the energy required to heat this amount of water can be reduced.
  • the profiling may take any suitable form, e.g. stepless or with steps. It is preferably provided that the profiling is wave-shaped with wave crests and wave troughs, so that a reduced drop formation is given in the region of the hills. Alternatively, a triangular profiling can also be provided.
  • the profiling form flow guide elements, which reduces the area effective for the inflow of wash liquor to the sump, so that the flow rate of the wash liquor, in particular with the lowest possible inclination of the sump, is increased to the sump.
  • the flow guide are provided in at least a portion of the surface of the floor pan and / or the roof element.
  • the flow guide elements on a base trough and / or a roof element can have any profile which is suitable for reducing the amount of water.
  • the flow guide elements are designed radiating a point tapering
  • an angle of inclination of the floor pan is smaller than a flow guide element angle of a flow guide element in a surface normal to the floor pan.
  • the inner container is at least partially made of plastic.
  • plastics can be used that meet the requirements in terms of processability, mechanical properties and resistance to chemical and physical influences.
  • the inner container is at least partially made of metal, in particular of sheet metal, by forming processes.
  • the invention includes a dishwasher, which has at least one inventively designed inner container and the roof element and the washing tub.
  • FIG. 1 is a schematic exploded view of a first embodiment of an inner container according to the invention
  • FIG. 2 is a schematic representation of a second embodiment of an inner container according to the invention.
  • FIG. 3 is a plan view of a washing tub with a profiling of the floor pan
  • FIG. 4 shows a cross section through the bottom tray shown in Fig. 3,
  • Fig. 6 shows a detail of the profiling of Fig. 5
  • Fig. 7 shows an alternative profiling
  • the inner container 12 is formed from a trough 16 open on two sides.
  • the trough 16 is connected to a washing tub 1, in which the pumps required for the operation of a dishwasher, such as Circulation and lye pumps are arranged and for this purpose has a sump 3.
  • the top of the washing tub 1 is covered by a floor pan 2.
  • the inner container 12 is formed from a trough 16, which is formed in one piece and has a bottom trough 2 with a sump 3.
  • the trough 16 was made of stainless steel sheet by means of an expansion step.
  • the inner sides of the inner container 12 and possibly the upper side of the base pan 2 form inner surfaces 14, of which, for example, the inner surfaces of the base pan 2 and a roof element 18 are formed with reduced adhesion to the wash liquor.
  • the bottom trough 2 extends in this case inclined to the sump 3 for the connection of a circulation or drainage pump, the bottom trough 2 has flow guide elements (not shown in FIGS. 1 and 2), which guide flushing liquor impinging on the bottom trough 2 to the sump 3.
  • the flow guide elements 4 are formed by a profiling of the base trough 2, which reduces the effective area for the inflow of wash liquor to the sump 3, so that the flow rate of the wash liquor is increased to the sump 3.
  • FIG. 3 shows a plan view of a flushing tub 1 according to the invention with a bottom pan 2 having four surface areas 9 and a centrally arranged pump pan 3.
  • the bottom pan 2 has an inclination from its side edges 11 to the pump pan 3, the incline being inclined by an inclination angle 7 is defined (Fig. 4).
  • the flow rate of the flushing liquor striking the floor pan 2 essentially depends on the angle of inclination 7. However, this can not be structurally influenced without the internal volume of the inner container 12 being reduced.
  • the bottom trough 2 is provided with a profiling 4 oriented radially to the sump 3, which function as flow guides.
  • the upper and the lower surface area 9 are provided with such a profiling 4, although preferred the entire surface of the floor pan 2, ie all surface fields 9, such profiling 4 has.
  • FIG. 5 A preferred embodiment of the profiling is shown in Fig. 5 in a perspective view.
  • the profiling is formed as a wave structure with wave crests 5 and troughs 6. Due to the angle of inclination 8 (see FIG. 6) of the flow guiding element which is greater than the angle of inclination 7 of the bottom trough, the drops of water impinging on the wave peaks 5 first extend into one of the troughs 6, from where the washing liquor runs in the direction of the sump 3.
  • the angle 8 is chosen so that hardly any drops can get caught on the wave back 10 due to the adhesion properties, for example in a range of 30 ° to 60 °.
  • the large-surface inclination of the bottom trough 2 towards the sump 3 (angle 7) can accordingly be flat because the draining drops along the wave ridges 10 in the troughs 6 create "channels" which prevent individual drops from depositing the space design of the dishwasher, in particular with regard to base heights, base recesses and the usable height of the washing compartment of the dishwasher.
  • Flow rate ultimately causes an acceleration of water exchange within the dishwasher. In other words, the dead water is reduced.
  • the profiling which allows locally significantly greater inclination angle 8 with respect to the inclination angle 7 of the floor pan, can be realized almost without influence on the overall height of the entire floor pan.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

L'invention concerne un compartiment intérieur pour un lave-vaisselle, ledit compartiment intérieur (12) présentant des surfaces intérieures (14). L'invention est caractérisée en ce qu'au moins une des surfaces intérieures (14) présente au moins partiellement une formation de gouttes réduite. L'invention concerne en outre un lave-vaisselle qui présente au moins un compartiment intérieur (12) conçu selon l'invention, ainsi que l'élément supérieur et la cuve de lavage (1).
PCT/EP2008/056892 2007-06-29 2008-06-04 Compartiment intérieur pour un lave-vaisselle Ceased WO2009003783A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710030074 DE102007030074A1 (de) 2007-06-29 2007-06-29 Innenbehälter für eine Geschirrspülmaschine
DE102007030074.5 2007-06-29

Publications (2)

Publication Number Publication Date
WO2009003783A2 true WO2009003783A2 (fr) 2009-01-08
WO2009003783A3 WO2009003783A3 (fr) 2009-02-26

Family

ID=39967197

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/056892 Ceased WO2009003783A2 (fr) 2007-06-29 2008-06-04 Compartiment intérieur pour un lave-vaisselle

Country Status (2)

Country Link
DE (1) DE102007030074A1 (fr)
WO (1) WO2009003783A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9155443B2 (en) 2011-09-21 2015-10-13 Whirlpool Corporation Dishwasher with multi-piece tub

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009000211B4 (de) 2009-01-14 2019-05-29 BSH Hausgeräte GmbH Geschirrspülmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7422871U (de) * 1974-09-26 Licentia Gmbh Geschirrspülmaschine
FR1512498A (fr) * 1966-12-27 1968-02-09 Sedelem Soc D Etudes Et De Dev Déflecteur de jet pour machines à laver la vaisselle
DE6608259U (de) * 1968-07-20 1971-07-22 Siemens Elektrogeraete Gmbh Geschirrspuelmaschine.
DE2421980B2 (de) * 1974-05-07 1980-10-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Spülbehälter für eine Geschirrspülmaschine
DE2748960C3 (de) 1977-11-02 1987-07-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Spülbehälter für eine Geschirrspülmaschine
SE8900078L (sv) 1989-01-11 1990-07-12 Electrolux Ab Anordning vid en diskmaskin
DE19618376C1 (de) * 1996-05-08 1998-01-22 Blanco Gmbh & Co Kg Einbauspüle
DE102004060946A1 (de) * 2004-12-17 2006-07-06 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und Verfahren zum Herstellen derselben
WO2007052209A1 (fr) * 2005-10-31 2007-05-10 Arcelik Anonim Sirketi Lave-vaisselle doté de déflecteurs d’eau

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9155443B2 (en) 2011-09-21 2015-10-13 Whirlpool Corporation Dishwasher with multi-piece tub
US9510724B2 (en) 2011-09-21 2016-12-06 Whirlpool Corporation Dishwasher with multi-piece tub
US9549657B2 (en) 2011-09-21 2017-01-24 Whirlpool Corporation Dishwasher with multi-piece tub

Also Published As

Publication number Publication date
DE102007030074A1 (de) 2009-01-02
WO2009003783A3 (fr) 2009-02-26

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