EP2328460B1 - Lave-vaisselle comprenant un dispositif de séchage par sorption - Google Patents

Lave-vaisselle comprenant un dispositif de séchage par sorption Download PDF

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Publication number
EP2328460B1
EP2328460B1 EP09781541.9A EP09781541A EP2328460B1 EP 2328460 B1 EP2328460 B1 EP 2328460B1 EP 09781541 A EP09781541 A EP 09781541A EP 2328460 B1 EP2328460 B1 EP 2328460B1
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EP
European Patent Office
Prior art keywords
sorption
outflow
container
akt
spray
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.)
Active
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EP09781541.9A
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German (de)
English (en)
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EP2328460A1 (fr
Inventor
Christian Bartos
Daniel Delle
Ulrich Ferber
Bernd Hesterberg
Helmut Jerg
Kai Paintner
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL09781541T priority Critical patent/PL2328460T3/pl
Publication of EP2328460A1 publication Critical patent/EP2328460A1/fr
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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
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith

Definitions

  • the present invention relates to a dishwasher, in particular a domestic dishwasher, with at least one rinsing container and at least one sorption drying system for drying items to be washed, wherein the sorption drying system has at least one sorption container with reversibly dehydratable sorption material, which is connected via at least one air duct with the rinsing container for generating an air flow.
  • Dishwashers are known with a so-called sorption column for drying dishes.
  • a so-called sorption column for drying dishes.
  • humid air from the washing compartment of the dishwasher is passed through the sorption column by means of a blower and moisture is removed from the air through which it is reversibly dehydratable by condensing moisture.
  • For regeneration ie desorption of the sorption column whose reversibly dehydratable dry material is heated to very high temperatures.
  • the WO 2006/061293 A1 describes a dishwashing machine having a sorption drying device which is connected to a rinsing container via an outlet of the rinsing container and an inlet of the rinsing container, and which has a sorption column with reversibly dehydratable material, wherein the outlet of the Rinse tank is connected via an air duct with the Sorptionstrockenvorraum.
  • FIG. 1 of the WO 2006/061293 A1 shows a first embodiment of a dishwasher with Sorptionstrockenvorides. The outflow or discharge nozzle of the sorption column arranged under the bottom of the washing container passes through the bottom of the washing container. This breakthrough is in the FIG.
  • a lateral opening is provided between the bottom of the washing container and the cover spaced therefrom to the right .
  • the air inlet through this inlet (into the washing compartment) is symbolized by an arrow C.
  • the air flowing out of the outlet nozzle upward is deflected laterally only by 90 ° (see flow arrow C) and then escapes further upwards.
  • FIG. 2 of the WO 2006/061293 A1 shows a second embodiment in which as drawn and according to the text passage on page 9, from line 35 ff. "...
  • the air duct 17 is thermally conductively connected to the washing compartment 2 and / or a housing wall 23 to form a condensation surface 18.
  • the sorption drying device 21 shown only schematically is arranged, for example, laterally below the washing tub 6, wherein the inlet 8 is formed in the boundary region between the washing tub 6 and the washing tub wall 22 .
  • an air outlet channel protrudes from the right side wall only laterally, in a horizontal direction into the interior of the washing compartment.
  • This horizontal air outlet channel communicates via a vertical air duct section with the outlet opening of the sorption material container of the sorption drying device.
  • a top cover provided that easily inclined obliquely downwards. This directs the laterally or horizontally exiting air flow only slightly (in the FIG. 2 read less than 20 °) down to the commonly existing lower rotatable spray arm (see flow arrow C).
  • the EP 0 358 279 A1 describes a dishwasher with a closed drying system in which the air circulates from the washing container via a regenerable by heating drying device and from this back into the washing.
  • the drying device is assigned to the heater disposed outside the washing compartment for the washing liquor.
  • a liftable closure for the bottom-side provided blow-out opening is provided, which communicates via an air duct with the drying container of the drying device. During rinsing, the closure is closed (see claim 10).
  • the US 3,378,933 describes a drying system for a dishwasher, which is adapted to blow warm air into a washing container of the dishwasher.
  • the drying system has an electrically operated valve.
  • the object of the invention is to provide a dishwasher, in particular a domestic dishwasher, with a further improved sorption and / or desorption result for the reversibly dehydratable dry material of the sorption unit of its sorption drying device.
  • Dishwashing machine in particular domestic dishwasher, with at least one washing container and at least one sorption drying system for drying items to be washed, wherein the sorption drying system has at least one sorption container with reversibly dehydratable sorption material, which has at least one Air duct is connected to the washing container for generating an air flow, wherein at least one outflow device which is connected to at least one outflow opening of the sorbent container, is arranged in the interior of the washing container, the air blown from it is largely directed away from at least one accommodated in the washing spray device, wherein the spray device is a rotating spray arm, wherein the discharge device comprises a Ausströmstutzen and a splash guard, wherein the outflow of the Ausströmvorraum protrudes from the bottom of the washing container at a point in the interior of the washing container, which lies outside of the detected by the lower spray arm surface of revolution, said Spritzschutzhaube a the Ausblasö Stamm of Ausströms
  • FIGS. 1 17 each provided with the same reference numerals.
  • FIG. 1 shows a schematic representation of a dishwasher GS, which has as main components a washing container SPB, arranged underneath a bottom assembly BG and a sorption drying system TS according to the inventive design principle.
  • the sorption drying system TS is preferably provided externally, ie outside the washing container SPB, partly on a side wall SW and partly in the bottom assembly BG. It comprises as main components at least one air duct LK, at least one fan unit inserted in it or a fan LT and at least one sorption tank SB.
  • In the washing container SB are preferably one or more grid baskets GK for receiving and rinsing items such. B. pieces of dishes housed.
  • one or more spraying devices such as one or more rotating spray arms SA, are provided in the interior of the washing container SPB.
  • a lower spray arm and an upper spray arm are suspended in the washing container SPB in a rotating manner.
  • Dishwashers undergo washing programs that have a plurality of program steps for cleaning items to be washed.
  • the respective rinsing program can comprise in particular the following individual program steps which proceed one after the other: a pre-rinsing step for removing soiling, a cleaning step with detergent addition to liquid or water, an intermediate rinsing step, a rinsing step with application of liquid or water added with expansion agents or rinse aid , and a final drying step, in which the cleaned items is dried.
  • fresh water and / or service water mixed with detergent is added to this, for example. for a cleaning process, for an intermediate rinsing, and / or applied for a rinse on the respective items to be washed.
  • the fan unit LT and the sorption SB are here in the embodiment in the bottom assembly BG below the bottom BO of the washing container SPB accommodated.
  • the air duct LK extends from an outlet opening ALA, which is provided above the bottom BO of the washing container SBP in the side wall SW, outside of this side wall SW with an inlet-side pipe section RA1 down to the fan unit LT in the bottom assembly BG.
  • the outlet of the fan unit LT Via a connecting section VA of the air duct LK, the outlet of the fan unit LT is connected to an inlet opening EO of the sorbent container SB in its area near the ground.
  • the outlet opening ALA of the washing container SPB is preferably provided above its bottom BO in the middle region or in the central region of the side wall SW for drawing in air from the interior of the washing container SPB.
  • the outlet opening ALA in the rear wall RW (see FIG. 2 ) of the washing container SPB is particularly advantageous to provide the outlet opening, preferably at least above a foam level up to which foam can be formed during a cleaning process, preferably in the upper half of the washing container SPB in one of its side walls SW and / or rear wall. If appropriate, it may also be expedient to engage a plurality of outlet openings in at least one side wall, ceiling wall, and / or the rear wall of the washing container SPB and to supply them with at least one air duct with one or more inlet openings in the housing of the sorbent container SB before the start or beginning of the sorption material line connect.
  • the fan unit LT is preferably designed as an axial fan. It serves for the forced flow of a sorption unit SE in the sorption container SB with moist-hot air LU from the rinsing container SPB.
  • the sorption unit SE contains reversibly dehydratable sorption material ZEO, which can absorb and store moisture from the air LU passed through it.
  • the sorption SB has in the near-ceiling region of its housing on the upper side of an outflow opening AO (see FIGS. 4 . 5 ), which via an outlet element AUS through an insertion opening DG (see FIG. 13 ) in the bottom BO of the washing container SPB is connected to the interior thereof.
  • this sorption drying system TS a closed air circulation system is provided by this sorption drying system TS.
  • the spatial arrangement of the various components of this sorption drying system TS is shown in the schematic perspective view of FIG. 2 and the schematic side view of the FIG. 3 out.
  • the course of the bottom BO is additionally shown in dash-dotted lines, whereby the spatial-geometric relationships of the structure of the sorption drying system TS are better illustrated.
  • the outlet opening ALA is preferably arranged at a location above the bottom BO, which allows the collection or suction of as much moist hot air LU from the upper half of the washing container SPB in the air duct LK. After a cleaning process, in particular rinsing with heated liquid, moist hot air preferably collects above the bottom BO, in particular in the upper half of the washing container SPB.
  • the outlet opening ALA is preferably at an altitude above the level of foam, which may occur during regular flushing operation or in the event of a fault. In particular, foam can be caused by detergent in the water during the cleaning process.
  • the position of the exit point or outlet opening ALA is selected such that a rising distance on the side wall SW is still freely available for the inlet-side pipe section RA1 of the air duct LK.
  • the outlet opening or outlet opening in the middle region, ceiling region, and / or upper region of the side wall SW and / or rear wall RW of the washing container SPB also largely prevents water from the sump in the bottom of the washing container or from its liquid spraying system through the outlet opening ALA of the washing container Rinsing container SPB injected directly into the air duct LK and then can get into the sorbent SB, what else there sorption ZEO inadmissible damp, partially damage or unusable, or even completely destroyed.
  • the sorption SB is viewed in the flow direction before the sorption SE at least one heater HZ for desorption and thus regeneration of the sorbent ZEO arranged.
  • the heating device HZ is used to heat air LU, which is driven through the fan unit LT by the air duct LK in the sorption.
  • This positively heated air absorbs the stored moisture, in particular water, from the sorption material ZEO as it flows through the sorption material ZEO.
  • This expelled from the sorbent ZEO water is transported by the heated air through the outlet element AUS of the sorbent SB into the interior of the washing.
  • This desorption process preferably takes place when liquid is carried out for a cleaning process or other rinsing process of a subsequent dishwashing program.
  • the heated for the desorption process by the heater HZ air can be used simultaneously for heating the liquid in the washing container SPB, which is energy efficient.
  • FIG. 2 shows with the door open TR of the dishwasher GS of FIG. 1 Main components of the sorption drying system TS in the side wall SW and the bottom assembly BG partially in the exposed state in perspective view.
  • the FIG. 3 shows suitably to the totality of the components of the sorption drying system TS viewed from the side.
  • the inlet-side pipe section RA1 of the air duct LK has, starting from the height position of its inlet opening EI at the location of the outlet opening ALA of the washing compartment SPB a pipe section AU rising upward with respect to the direction of gravity and then a pipe section AB sloping downwards with respect to the direction of gravity SKR.
  • the upwardly rising pipe section AU extends slightly upward with respect to the vertical direction of gravity SKR and merges into a curved section KRA, which is bent convexly and for the inflowing air flow LS1 a directional reversal of about 180 ° downwards into the adjoining, substantially vertically downwards sloping pipe section AB forces. This ends in the fan unit LT.
  • the first, upwardly rising pipe section AU, the curvature section KRA, and the downstream, second, downwardly sloping pipe section AB form a flat channel with a substantially flat rectangular cross-sectional geometry shape.
  • one or more flow guide ribs or drainage ribs AR are provided, which follow its curvature profile.
  • a plurality of arcuate drainage ribs AR are substantially nested concentrically in one another and arranged at a transverse distance from one another in the interior of the curved section KRA. They extend here in the embodiment in the rising pipe section AU and in the sloping pipe section AB on a partial length.
  • These drainage ribs AR are disposed at height positions above the outlet ALA of the purge tank SPB and the inlet EI of the inlet side pipe section RA1 of the air duct LK, respectively.
  • These drainage ribs AR serve to receive liquid droplets and / or condensate from the air flow LS1 drawn in from the washing container SPB.
  • the liquid droplets collected at the flow guide ribs AR can drip off in the direction of the outlet ALA.
  • the liquid droplets can drip off the flow guide ribs AR in the direction of a return rib RR.
  • the return rib RR is provided at a point in the interior of the sloping pipe section AB, which is higher than the outlet opening ALA of the washing container SPB or higher than the inlet opening EI of the air duct LK.
  • the return rib RR in the interior of the sloping pipe section AB forms a drainage slope and is aligned with a cross-connection line RF in the direction of the outlet ALA of the washing compartment SPB.
  • the cross-connection line RF bridges the gap between the leg of the upwardly rising pipe section AU and the leg of the downwardly sloping pipe section AB.
  • the cross-connection line RF connects the interior of the upwardly rising pipe section AU and the interior of the downwardly sloping pipe section AB with each other.
  • the slope of the return rib RR and the adjoining, aligned cross-connection line RF is selected such that a condensate return of condensate or other liquid droplets that drip down from the gutters AR in the region of the sloping pipe section AB, in the outlet opening ALA of the washing container SPB is ensured.
  • the drainage ribs AR are preferably mounted on the inner wall of the air duct LK facing away from the Spül organizationsenwand SW, since this outer-side inner wall of the air duct is cooler than that of the washing compartment SPB facing Inner wall of the air duct is. At this cooler inner wall condensate precipitates stronger than on the side wall SW facing inner wall of the air duct LK down. It may therefore be sufficient if the drainage ribs AR are designed as web elements which protrude from the outer inner wall of the air duct LK only over a partial width of the total cross-sectional width of the formed as a flat channel air duct in the direction of the inner side wall SW facing inner wall of the air duct, so that a lateral cross-section gap remains for air flow.
  • the return rib RR is preferably mounted on the inside of the outer inner wall of the air duct LK as a web element, which protrudes in the direction of its inner inner wall on a partial width or partial width of the entire width of the flat formed air duct LK. This ensures that a sufficient passage cross-section remains free in the region of the return rib RR for the passage of the air flow LS1.
  • the drainage ribs AR and the return rib RR serve in particular also to separate water droplets, detergent droplets, rinse aid droplets, and / or other aerosols which are located in the inflowing air LS1 and return them through the outlet opening ALA into the rinsing container SPB.
  • This is particularly advantageous in a desorption process when a cleaning step takes place at the same time.
  • a relatively large amount of steam or mist may be present in the washing container SPB, in particular due to the spraying of liquid by means of the spraying arms SA.
  • Such a vapor or mist may contain finely divided water as well as detergent or rinse aid and other cleaning agents.
  • the drainage ribs AR For these finely dispersed liquid particles entrained in the air flow LS1, the drainage ribs AR, a deposition device, form.
  • other deposition means in particular structures with a plurality of edges, such as e.g. Wire mesh, be provided.
  • the tube section AU ascending obliquely upwards or substantially vertically ensures that liquid droplets or even spray jets which are sprayed out by a spraying device SA, for example a spray arm during the cleaning process or other rinsing process, are largely prevented from passing directly over the suctioned Air flow LS1 to enter the sorbent of the sorption.
  • a spraying device SA for example a spray arm during the cleaning process or other rinsing process
  • the sorption material ZEO could be rendered inadmissibly moist and useless for a sorption process during the drying step. In particular, it could lead to premature saturation by introduced liquid droplets such as e.g. Mist droplets or vapor droplets come.
  • the dishwasher GS here has a drying device for drying items to be washed by sorption by means of reversibly dehydratable sorption material ZEO, which is stored in a sorption container SE.
  • This is connected via at least one air duct LK to the washing container SPB for generating an air flow LS1.
  • the air duct has along its inlet-side pipe section RA1 a substantially flat rectangular cross-sectional geometry shape. Of the When viewed in the direction of flow, the air-guiding duct goes beyond its inlet-side pipe section RA1 into a substantially cylindrical pipe section VA. It is preferably made of at least one plastic material.
  • the air duct LK has at least one upwardly rising pipe section AU. It extends from the outlet opening ALA of the washing container SPB upwards. He further has, viewed in the flow direction after the rising pipe section AU at least one downwardly sloping pipe section AB. Between the rising pipe section AU and the sloping pipe section AB at least one curvature section KRA is provided.
  • the curvature section KRA in particular has a larger cross-sectional area than the rising pipe section AU and / or the sloping pipe section AB.
  • one or more flow guide ribs AR are provided for equalizing the air flow LS1. If necessary, at least one of the flow guide ribs AR extends beyond the curved section KRA into the rising pipe section AU and / or sloping pipe section AB.
  • the one or more flow guide ribs AR are provided at positions above the height position of the outlet ALA of the purge tank SPB.
  • the respective flow guide rib AR extends from the Spül actuallyergeophuse- facing channel wall to the opposite, Spül relieergephase- remote channel wall of the air duct LK, preferably substantially continuously.
  • At least one return rib RR is provided in the interior of the sloping pipe section AB on the Spippo constituergetude- facing channel wall and / or Spül successiveergephaseuse- remote channel wall of the air duct LK at a location which is higher than the inlet opening EI of the air duct LK.
  • the return rib RR is connected via a cross-connection line RF in the space between the descending pipe section AU and the sloping pipe section AB for condensate return to the inlet opening EI of the air duct LK. It has a slope towards the inlet opening EI out.
  • the return rib extends from the Spül thereergeophusebehgewand channel wall to the opposite, Spül relieergephase- remote channel wall of the air duct LK preferably only on a partial cross-sectional width.
  • the falling branch AB of the air duct LK is introduced substantially perpendicularly into the fan unit LT.
  • the sucked-in air flow LS1 is blown from the fan unit LT on the output side via a tubular connection section VA into an inlet connection ES of the sorption container SB coupled to it in the area near the bottom thereof.
  • the air flow LS1 flows into the lower region of the sorption container SB with an inflow direction ESR and changes into a different flow direction DSR with which it flows through the interior of the sorption container SB.
  • This through-flow direction DSR runs from bottom to top through the sorption SB.
  • the inlet nozzle ES directs the incoming air flow LS1 into the sorption container SB such that it is deflected from its inflow direction ESR, in particular by approximately 90 degrees, into the throughflow direction DSR of the sorption container SB.
  • the sorption SB below the bottom BO in a bottom assembly BG of the washing compartment SPB largely free-hanging arranged so that it has a predetermined minimum gap distance LS against adjacent components and / or parts of the floor assembly BG for heat protection LS (see also Figure 10 ) having.
  • At least one transport securing element TRS is provided at a predetermined free space distance FRA for the free-hanging sorbent container SB below the bottom BO of the floor assembly BG, so that the sorption container SB is supported from below if the sorption container SB moves downwards during its transport from its freely suspended position ,
  • the sorption container SB has at least one outer housing AG in addition to its inner housing IG in such a way that its entire housing is double-walled there. Between the inner housing IG and the outer housing AG thus an air gap clearance LS is present as a thermal insulation layer.
  • a further overheating protection measure is additionally or independently provided for the freely suspended storage or accommodation of the sorbent container SB in order to present any adjacent components and components of the floor assembly BG Inadequate levels of overheating or burns should be adequately protected.
  • the housing of the sorption container SB has such a geometry that there is a sufficient gap distance as heat protection around the remaining parts or components of the base assembly BG.
  • the sorption container SB for this purpose on its the rear wall RW of the bottom assembly BG facing housing wall SW2 to a curved shape AF, which corresponds to the geometry facing the rear wall RW.
  • the sorption SB is at the bottom of the bottom BO, in particular in the region of a passage opening DG (see FIG. 3 . 13 ) of the bottom BO, the washing container SB. This is particularly the case in the schematic side view of FIG. 3 illustrated.
  • the bottom BO of the washing container SPB has, starting from its outer edges ARA, a gradient tapering towards a liquid collecting region FSB.
  • the sorption container SB is mounted on the bottom BO of the washing container SPB in such a way that its lid part DEL extends substantially parallel to the underside of the bottom BO and with a predetermined gap distance LSP to the latter.
  • a coupling connection between at least one bottom side member, in particular a base SO, the sorbent SB and a bottom-top component, in particular the outlet element OFF, the sorbent SB in the region of a passage opening DG in the bottom BO of the purge SB provided.
  • a coupling connection in particular a clamping connection is provided.
  • the clamping connection can by a detachable connection, in particular screw, with or without bayonet lock BJ (see FIG. 13 ), be formed between the bottom-bottomed component of the sorbent SB and the upper floor component of the sorbent SB.
  • An edge zone RZ see FIG.
  • the bottom-side outlet component and / or the bottom-top splash guard component AUS projects with its end-side end portion through the passage opening DG of the bottom BO.
  • the bottom-side outlet part has a base SO around the outlet opening AO of the cover part DEL of the sorbent container SB.
  • the floor-top splash protection component AUS has a discharge connection AKT and a splash protection cover SH. At least one sealing element DI1 is provided between the floor-top-side component AUS and the bottom-floor-side component SO.
  • the sorption SB is therefore arranged below the bottom BO of the washing container SPB largely free-hanging so that it has a predetermined minimum gap distance LSP with respect to adjacent components and parts of the bottom assembly BG for heat protection.
  • a transport securing element TRS is additionally fixed in a predetermined free space distance FRA at the bottom of the floor assembly.
  • This transport safety element TRS serves to optionally support the sorption container SB, which is suspended below the bottom BO of the washing container SPB, from below, if, for example, it swings down during transport together with the bottom BO due to vibrations.
  • This transport securing element TRS can be formed, in particular, by a downwardly U-shaped metal clamp, which is fixedly mounted on the bottom of the floor assembly.
  • the sorption SB has at the top of its cover part DEL on the outflow opening AO.
  • an upwardly projecting socket SO is attached.
  • a cylindrical base nozzle element STE is attached (see FIGS. 4 . 5 . 9 . 13 ) which projects upwards and serves as a counterpart to the outflow connection piece or outlet connection piece AKT to be fastened thereto. It preferably has an external thread with integrated bayonet lock BJ, which interacts with the internal thread of the Ausblaskaminstutzens AKT accordingly.
  • the base SO has the sealing ring DI1 on its upper side, concentric around the base neck STE receiving edge. This is in the Figures 3 . 4 . 9 . 13 illustrated.
  • the sorption container SB is firmly pressed against this with the sealing ring DI1 on the underside of the bottom BO. It is held by the height of the base SO on clearance LSP from the bottom of the bottom BO. From the top of the bottom BO ago is through the through-hole DG of the bottom BO of the exhaust stack AKT down pushed through and bolted to the counter-piece base socket STE and the opening secured by the bayonet lock BJ.
  • the blow-out nozzle AKT lies circumferentially around an outer edge zone RZ of the bottom BO to the passage opening DG with an annular Outside edge APR firmly attached.
  • the bottom BO of the washing container SPB runs here in the embodiment of FIG. 3 starting from its peripheral edge zone with the side walls SW and the rear wall RW toward a preferably central liquid collecting area FSB inclined with inclination to. Below this, the pump sump PSU of a circulation pump UWP can be located (see FIG. 16 ). In the FIG. 3 this is drawn dash-dotted from outside to inside obliquely to the lower collection area FSB tapered bottom BO.
  • the arrangement of the pump sump PSU with the recirculation pump UWP seated therein below the lower collecting area FSB is shown in the plan view of the floor assembly BG of FIG. 16 seen.
  • the sorption container SB is preferably mounted on the bottom BO of the washing container SPB such that its lid part DEL extends substantially parallel to the underside of the bottom BO and with a predetermined gap distance LSP thereto.
  • the base SO is placed obliquely on the seated base stub STE with respect to the surface normal of the cover part DEL with a corresponding inclination angle.
  • the sorbent SB a cup-shaped housing part GT, which is closed with a cover part DEL.
  • At least the sorption unit SE with reversibly dehydratable sorption material ZEO is provided in the cup-shaped housing part GT.
  • the sorption unit SE is accommodated in the cup-shaped housing part GT in such a way that its sorption material ZEO essentially in or against the direction of gravity with an air flow LS2 can be flowed through, which is generated by deflecting the air flow induced via the air duct LK LS1.
  • the sorption unit SE has at least one lower sieve element or grating element US and at least one upper sieve element or grating element OS at a predefinable height distance H from one another (see in particular FIG Figure 9 ).
  • the volume of space between the two sieve elements or grid elements US, OS is largely completely filled with the sorption material ZEO.
  • cup-shaped housing part GT at least one heating device HZ is provided in cup-shaped housing part GT viewed in the direction of flow DSR of the sorbent SB.
  • the heating device HZ is provided in particular in front of the sorption SE with the reversibly dehydratable sorbent ZEO.
  • the heating device HZ is provided in a lower cavity UH of the cup-shaped housing part GT for collecting inflowing air LS1 from the air duct LK.
  • the inlet opening EO is provided for the air duct LK.
  • the outlet opening AO is provided for the outlet element OFF.
  • a heat-resistant material in particular metal sheet, preferably stainless steel or a stainless steel alloy is used. The cover part DEL closes the pot-shaped housing part GT largely hermetically.
  • the peripheral outer edge of the cover part DEL is connected to the upper edge of the cup-shaped housing part GT only by a mechanical connection, in particular by a forming, joining, latching, clamping, in particular by a beaded connection, or clinch connection.
  • the cup-shaped housing part GT has one or more side walls SW1, SW2 (see FIG. 5 ), which are substantially vertical. It has an outer contour shape that substantially corresponds to the inner contour shape of a mounting area EBR provided for it, in particular in a floor assembly BG (see FIG FIG. 16 ).
  • the two adjoining side walls SW1, SW2 have outer surfaces that are substantially perpendicular to each other.
  • At least one side wall such as SW2 has at least one formation, such as AF, which is substantially complementary to a formation on the rear wall and / or side wall of the bottom assembly BG provided below the bottom BO of the purge bin SPB.
  • the sorption container SB is provided in a rear corner region EBR between the rear wall RW and an adjacent side wall SW of the dishwasher GS, in particular its bottom assembly BG.
  • the cup-shaped housing part GT has at least one passage opening DUF for at least one electrical contact element AP1, AP2 (see FIG. 4 ).
  • a drip protection plate TSB is attached at least over the extent thereof.
  • the drip protection plate TSB has a drainage slope.
  • FIG. 4 shows a schematic and perspective exploded view of the various components of the sorbent SB in the disassembled state.
  • the components of the sorption container SB are arranged one above the other in several situation levels. This stacked from bottom to top construction of the sorbent SB is particularly in the sectional view of FIG. 9 as well as in the cutaway perspective view of FIG. 10 illustrated.
  • the sorption container SB has the bottom-near, lower cavity UH, for collecting incoming air from the inlet nozzle ES. Above this lower cavity UH sits a slotted sheet SK, which serves as a flow conditioning agent for a pipe coil heater HZ arranged above it. The slotted sheet SK sits on an all around in the interior of the sorbent SB circumferential support edge.
  • This support edge has over the inner bottom of the sorbent SB a predetermined height distance to form the lower cavity UH.
  • the slotted sheet SK preferably has one or more clamping parts in order to jam it laterally or laterally with a partial surface, at least one inner wall of the sorption container SB. As a result, a reliable storage protection for the slotted sheet SK can be provided.
  • According to the bottom view of the slotted sheet of FIG. 6 has these slots SL, which follow substantially the course of the Windungsverlauf arranged over the slot plate coil heater.
  • the slots or passages SL of the slotted plate SK are formed at those locations at which the air flow LS1 entering the sorption container SB in the throughflow direction DSR of the sorbent container SB has a lower velocity is greater, in particular wider or wider, than at those locations in which the air flow LS1 entering the sorption container has a greater velocity in the throughflow direction DSR of the sorption container SB.
  • a substantial homogenization of the local flow cross-sectional profile of the air flow LS2 is achieved, which flows through the sorption container SB from bottom to top in the throughflow direction DSR.
  • the local flow cross-sectional profile of the air flow in particular understood that passes substantially at each entry point of a flow area substantially the same volume of air at the same flow rate.
  • the coil heater RZ is arranged with a predetermined height clearance in the direction of flow DSR behind the slotted sheet SK. For this purpose, it can be held at a height distance above the passages SL by means of a plurality of sheet metal parts BT, which are web-like. These sheet metal parts BT (see FIG. 6 ) support preferably alternately once from below and once from above the coil heater in their course. As a result, on the one hand a reliable Lankêt harmony the pipe coil heater HZ on the slotted sheet SK allows. On the other hand, distortions of the slot plate SK, which could occur under the heat of the coil heater HZ, largely avoided. When viewed in the direction of flow DSR, the coil heater HZ follows a free space ZR (see FIG Fig.
  • This sorption unit SE has on the input side a lower screen element or grid element US.
  • an output-side, upper screen element or grid element OS is provided.
  • OS are provided on the inner walls of the sorption container sections or all around support edges to position the screen elements US, OS in their associated altitude and hold.
  • the two screen elements US, OS are preferably arranged parallel to each other in this predetermined height distance H.
  • the sorption material ZEO is filled in such a way that the volume between the two sieve elements US, OS is largely completely filled.
  • the input-side screen element US and the output side screen element OS relative to the vertical center axis of the sorbent SB or based on the flow direction DSR in substantially horizontal planes of position above one another with the predetermined height distance H from each other.
  • the sorption unit SE here in the exemplary embodiment by a filling volume of sorbent material ZEO between a formed lower sieve US and an upper sieve OS.
  • the upper cavity OH for collecting outflowing air is provided above the sorption unit SE.
  • This outflowing air LS2 is led through the outlet AO of the base nozzle STE into the blow-off nozzle ATK, from where it is blown out into the interior of the washing container SPB.
  • slotted sheet SK flow conditioning or flow influencing of the flow LS2 ascending from bottom to top in the direction of flow DSR is performed such that the coil heater is substantially surrounded by substantially the same volume of air flow at each point of its longitudinal course.
  • the combination of slotted sheet and tube coil heater HZ arranged above ensures to a large extent that the air flow LS2 in front of the entry surface of the lower screen US of the sorption unit SE can be heated substantially evenly during the desorption process.
  • the slotted sheet ensures a largely uniform local distribution of the heated air volume flow over the inlet cross-sectional area STF of the sorption unit SE.
  • the slotted sheet SK it may also be expedient to provide a heating device outside of the sorption container BE in the connection section between the fan unit LT and the inlet opening of the sorption container SB. Since the average cross-sectional area of this tubular connecting portion VA is smaller than the average cross-sectional area of the sorbing tank SB for an air flow, the air flow LS1 before it enters the sorption SB can be heated in advance largely uniformly for the desorption process. Then, if necessary, the slotted sheet SK completely eliminated.
  • the heating of the air takes place by means of a heating device in the sorption container SB
  • the sorption process in particular, during which the heating device HZ is deactivated, ie switched off, is largely achieved in that all sorption material is largely completely involved in the dehumidification of the air flowing through LS1.
  • the flow cross-sectional area SDF of the sorption unit SE in the interior of the sorption container SB is here larger in the embodiment than the average cross-sectional area of the end-side inlet nozzle ES of the air duct LK or of the tubular connection portion VA.
  • the flow cross-sectional area SDF of the sorption material is preferably between 2 and 40 times, in particular between 4 and 30 times, preferably between 5 and 25 times, larger than the average cross-sectional area of the inlet nozzle ES of the air duct LK, with this opens into the inlet opening EO of the sorbent SB.
  • the sorbent material ZEO fills a bulk volume between the lower sieve element US and the upper sieve element OS such that the flow inlet cross-sectional area SDF and a flow exit cross-sectional area SAF are substantially perpendicular to the flow direction DSR which extends in the vertical direction.
  • the lower sieve element US, the upper sieve element OS and the sorption material ZEO interposed therebetween each have mutually congruent penetration surfaces for the air LS2 flowing through. This largely ensures that at any point in the volume of sorption unit SE whose sorption material can be acted upon by about the same volume flow. As a result, during the desorption overheating points and thus any damage to the sorbent ZEO are largely avoided.
  • sorption a uniform moisture absorption from the air to be dried and thus allows optimal utilization of the sorption available in the sorption unit SE ZEO.
  • one or more flow conditioning elements SK in the sorption tank SB and / or in an input pipe section VA, ES of the air duct LK, in particular after at least one fan unit LT inserted into the air duct LK, with one or more air passages SL, that a homogenization of the local flow cross-sectional profile of the air flow LS2 is effected when flowing through the sorption container SB in its bottom-upward flow direction DSR.
  • at least one flow conditioning element SK with a vertical distance in front of the heating device HZ is provided in its lower cavity UH.
  • a slotted sheet or perforated plate is provided here in the embodiment.
  • the slots SL in the slotted sheet SK essentially follow the winding course of a coil heater HZ, which is positioned with free space above the slits SL in the slotted sheet as a heating device.
  • the slotted plate is arranged substantially parallel to and at a free space distance from the air inlet cross-sectional area SDF of the sorption unit SE of the sorption container SE.
  • Air passages, in particular slits SL, in the flow conditioning element SK are formed at those locations at which the airflow LS1 entering the sorption container SB in the flow direction DSR of the sorbent container SB has a lower velocity than at those locations at which the sorbent container SB enters Air flow LS1 in the flow direction DSR of the sorbent SB has a greater speed.
  • the sorting drying system TS has the following specific flow conditions in the region of the sorption container SB.
  • the air duct LK is coupled to the sorbent vessel SB such that the incoming air flow LS1 enters the sorbent vessel SB with an inflow direction ESR and merges into a different flow direction DSR with which it flows through the interior of the sorbent vessel SB.
  • the exit flow direction of the sorbent tank SB Exiting air flow LS2 corresponds essentially to the flow direction DSR.
  • the inlet-side pipe section RA1 of the air duct LK opens into the sorption SB so that its inflow ESR in the flow direction DSR of the sorbent SB, in particular between 45 ° and 135 °, preferably by about 90 °, is deflected.
  • the fan unit LT In the flow direction, in front of the sorption container SB, at least the fan unit LT is inserted into the inlet-side tube section RA1 of the air-guiding channel LK for generating a forced air flow LS1 in the direction of at least one inlet opening EO of the sorbent container SB.
  • the fan unit LT is arranged in the floor assembly BG below the washing container SPB.
  • the flow cross-sectional area SDF for the sorption material ZEO inside the sorption container SB is larger than the passage cross-sectional area of the inlet connection ES of the air duct LK, with which it opens into the inlet opening EO of the sorbent container SB.
  • the flow cross-sectional area SDF of the sorption container SB is preferably between 2 and 40 times, in particular between 4 and 30 times, preferably between 5 and 25 times, larger than the passage cross-sectional area of the end-side inlet nozzle ES of the air guide channel LK. with which this opens into the inlet opening EO of the sorbent SB.
  • At least one sorption unit SE with sorption material ZEO is accommodated in the sorption container such that the sorption material ZEO can be flowed through air LS1 essentially in or counter to the direction of gravity, which is led out of the rinsing container SPB into the sorption container SB via the air guidance channel LK.
  • the sorption unit SE of the sorption container SB has at least one lower sieve element or grating element US and at least one upper sieve element or grating element OS at a predefinable height distance H from one another, wherein the volume of space between the two sieve elements or grating elements US, OS is largely completely filled with the sorption material ZEO ,
  • the inlet cross-sectional area SDF and the outlet cross-sectional area SAF of the sorption unit SE of the sorption container SB are in particular selected to be substantially the same size.
  • the inlet cross-sectional area SDF and the outlet cross-sectional area SAF of the sorption unit SE of the sorption container SB are expediently also arranged substantially congruent to one another.
  • the sorption container viewed in its throughflow direction DSR, has at least one stratification of a lower cavity UH and, arranged above it, in the direction of flow DSR downstream sorption SE. He has in his lower cavity UH at least one heater HZ.
  • the sorption container SE has, via its sorption unit SE, at least one upper hollow space OH for collecting outflowing air LS2.
  • the sorption material ZEO fills a bulk volume in such a way that a flow inlet cross-sectional area SDF arranged essentially perpendicular to the throughflow direction DSR and a flow exit cross-sectional area SAF arranged largely parallel thereto are formed.
  • the sorption container has in its upper cover part DEL at least one outflow opening AO, which is connected via a passage opening DG in the bottom BO of the washing container SPB with its interior by means of at least one Ausströmbauteils AKT.
  • the sorption material ZEO is stored in the sorption container SB in an advantageous manner in the form of the sorption unit SE, such that essentially every entry point of the passage cross-sectional area SDF of the sorption unit SE can be acted upon by a substantially identical air volume flow value.
  • the sorbent material ZEO is preferably an aluminum and / or silicon oxide-containing, reversibly dehydratable material, silica gel, and / or zeolite, in particular zeolite of type A, X, Y, alone or in any desired combination.
  • the sorption material is expediently provided in the sorption container SB in the form of a granular solid or granules having a multiplicity of particle bodies with a grain size substantially between 1 and 6 mm, in particular between 2.4 and 4.8 mm, the bulk height H the particle body at least 5 times their grain size corresponds.
  • the sorption material ZEO present as a granular solid or granulate expediently exists in the direction of gravity in the sorption container with a bulk height which corresponds essentially to 5 to 40 times, in particular 10 to 15 times, the particle size of the granular solid or granules.
  • the bed height H of the sorbent material ZEO is preferably selected substantially between 1.5 and 25 cm, in particular between 2 and 8 cm, preferably between 4 and 6 cm.
  • the granular solid or granules may preferably be formed from a plurality of substantially spherical particle bodies.
  • the sorption material ZEO which is in the form of a granular solid or granulate, has an average bulk density of at least 500 kg / m 3 , in particular substantially between 500 and 800 kg / m 3 . in particular between 600 and 700 kg / m 3 , in particular between 630 and 650 kg / m 3 , particularly preferably of about 640 kg / m 3 , on.
  • the reversibly dehydratable sorbent material ZEO for absorbing a moisture amount transported in the air flow LS2 is expediently provided with such a weight amount that the amount of moisture absorbed by the sorption material ZEO is less than an amount of liquid applied to the items to be washed, in particular an amount of liquid applied in the final rinse step. is.
  • the reversibly dehydrogenatable sorbent material is provided with such a weight amount that it is sufficient to absorb a moisture amount that corresponds substantially to a wetting amount with which the ware is wetted after the end of a final rinse step.
  • the amount of absorbed water preferably corresponds to between 4 and 25%, in particular between 5 and 15%, of the amount of liquid applied to the items to be washed.
  • sorbent SB a weight amount substantially between 0.2 and 5 kg, in particular between 0.3 and 3 kg, preferably between 0.5 and 2.5 kg, housed in sorbent ZEO.
  • the sorption material ZEO in particular has pores preferably with a size substantially between 1 and 12 angstroms, in particular between 2 and 10, preferably between 3 and 8 angstroms.
  • a sorption material is provided which is desorbable at a temperature substantially in the range between 80 ° and 450 ° C, in particular between 220 ° and 250 ° C.
  • the air duct, the sorption, and / or one or more additional flow influencing elements are suitably designed such that by the sorbent material for its sorption and / or desorption an air flow with a volume flow substantially between 2 and 15 I / sec, in particular between 4 and 7 I / sec is effected.
  • the sorption material ZEO is assigned at least one heating device HZ with which an equivalent heating power between 250 and 2500 W, in particular between 1000 and 1800 W, preferably between 1200 and 1500 W, can be provided for heating the sorption material for its desorption is.
  • the ratio of heating power of at least one heating device, which is assigned to the sorption material for its desorption, and air volume flow of the air flow flowing through the sorbent material between 100 and 1250 W sec / l, in particular between 100 and 450 W sec / l, preferably between 200 and 230 W sec / l, selected.
  • the bed height H of the sorption material ZEO is essentially constant over the inlet cross-sectional area SDF of the sorbent container SB.
  • the sorption material for absorbing an amount of water essentially between 150 and 400 ml, in particular between 200 and 300 ml, in the sorption container SB.
  • At least one component of the sorption drying system TS at least one thermal overheating protection device TSI (see FIGS. 4 . 6, 8, 9 ) intended.
  • a component may preferably be formed by a component of the sorbent container SB.
  • At least one thermal overheating protection device TSI can be assigned to this component.
  • This thermal Overheating protection device TSI is mounted on the outside of sorption tank SB.
  • thermal overheating protection device at least one electrical temperature protection unit is provided. It is assigned here in the embodiment of the heating device HZ, which is housed in the sorption SB.
  • the electrical temperature protection unit is in the embodiment of FIGS. 4 . 6, 8 and 9 provided in an outside indentation EBU on the inner housing IG of the sorbent container SB in the high-level region of the heating device HZ. It comprises at least one electric thermal switch TSA and / or at least one safety fuse SSI (see FIG. 17 ).
  • the electrical thermal switch TSA and / or the fuse SSI of the electrical temperature protection unit TSI are each, preferably in series, in at least one power supply line UB1, UB2 the heater HZ inserted (see FIG. 8 ).
  • At least one control device HE, ZE (see FIG. 16 ), which interrupts the energy supply to the heating device HZ in particular in the event of a fault.
  • An error case is formed for example by exceeding an upper temperature limit.
  • the largely freely suspended suspension of the sorption container in particular below the bottom BO of the washing container SPB, can also be used.
  • the thermal overheating protection device may further comprise a mounting of the sorption container SB such that the sorption container SB has a predetermined minimum gap distance LSP with respect to adjacent components and / or parts of a base assembly BG.
  • At least one outer housing AG may be provided in addition to the inner housing IG of the sorption container SB, in addition to or independently of the above measures, at least in the region of the sorption unit SE of the sorption container SB. Between the inner housing IG and the outer housing AG while an air gap clearance LS is present as a thermal insulation layer.
  • the coil heater HZ the FIGS. 4 . 7, 8, 9 has two terminal poles AP1, AP2, which are guided through corresponding passage openings in the housing of the washing compartment SB to the outside.
  • Each terminal pin AP1, AP2 is preferably connected in series with an overheat protection element.
  • the overheat protection elements are combined in the temperature fuse unit TSI, which is arranged on the outside of the housing of the sorption container SB in the vicinity of the two pole pins AP1, AP2.
  • FIG. 17 shows the overheating protection circuit for the coil heater HZ of FIG. 8 ,
  • the first bridging line UB1 is attached to the first, rigid pole pin AP1 by means of a welded joint SWE1.
  • the second bridging line UB2 is fastened to the second, rigid pole pin AP2 by means of a welded joint SWE2.
  • the bridging line UP2 is electrically contacted with the thermal switch TSA.
  • the bridging line UB1 is electrically connected to the thermoelectric fuse SSI via a plug contact SV3.
  • a first power supply line SZL1 is connected via a plug-in connection SV1 to a connection lug AF1 of the fuse element SSI guided to the outside.
  • a second power supply line SZL2 is connected via a plug connection SV2 to the outwardly guided connection lug AF2 of the thermal switch element TSA.
  • the second power supply line SZL2 forms a neutral, while the first power supply line SZL1 can be a "live phase”.
  • the thermal switch TSA opens as soon as a first upper limit for the temperature of the coil heater HZ is exceeded. As soon as this falls below again, it closes again, so that the coil heater HZ is heated again. However, if a critical upper temperature limit, which is above the first upper limit, reached for the coil heater HZ, the fuse SSI melts through and the circuit for the coil heater HZ is permanently interrupted.
  • the two temperature fuse elements of the temperature protection device TSI are in largely intimate, heat-conducting contact with the inner housing IG of the sorption. They can be triggered separately from each other when certain specific upper temperature limits are exceeded.
  • the outflow nozzle AKT protrudes from the bottom BO to a position in the interior of the washing container SPB, which lies outside the area of rotation detected by the lower spray arm SA.
  • the exhaust gas nozzle or the outlet connection AKT is covered or slipped over along its upper end section by a splash guard SH.
  • the splash guard SH slips over the outflow nozzle AKT umbrella-like or mushroom-like.
  • the splash guard SH is in the FIG. 12 shown schematically from above.
  • the transition zones GF, URA On its upper side, in the transition zones GF, URA, it has convexly curved flattenings GF between its largely plane-surface top side and its side walls projecting substantially vertically downwards (viewed from the inside outwards) (see FIG FIG. 13 ) on. If a spray jet from the spray arm SA meets these edge zones flattened or arched transition zones GF, URA, then this film pours largely over the entire area over the splash guard SH and cools it during the desorption process.
  • a lower edge zone UR of the semicircular cylinder-section-like side wall of the splash guard SH is curved toward the inside in the direction of the outflow AKT or arched. This is good FIG. 13 seen.
  • a circumferential, radially outwardly projecting spray water deflector element or shielding element PB, in particular baffle plate is provided in the area of the upper edge of the outflow connecting piece AKT. This is radially outward into the gap or gap between the circular cylindrical outflow AKT and the inner wall of the splash guard SH from.
  • the outwardly projecting shielding element PB is in the embodiment of FIG. 13 supported at individual circumferential points of its outer edge by means of web elements SET with respect to the inner wall of the circumferential in the form of a ring segment portion side wall of the splash guard SH.
  • the splash guard SH is arranged with respect to the outlet connection AKT with a free height distance to form a free space or cavity.
  • FIG. 14 shows the splash guard SH viewed from below together with the outflow AKT.
  • the shielding element PB shields the outlet opening of the outflow branch AKT as a laterally or laterally projecting edge or web substantially all around.
  • the shielding element PB closes off the underside of the splash guard SH in the region of the rectilinear side wall facing the spray arm SA. Only in the semicircular curved portion of the splash guard SH between the shielding PB and the radially offset, outside concentrically arranged side wall of the splash guard SH a gap clearance LAO is released, through which the air from the outflow AKT can flow into the interior of the sump SPB.
  • the gap clearance LAO is substantially sickle-shaped.
  • the air flow LS2 is thereby forced to a deflection ALS, which deflects it from its vertical upward flow direction downwards, where it can emerge only through the crescent-shaped, partial circle portion-shaped gap clearance LAO in the lower part of the splash guard SH.
  • the outflow AKT is expediently with such a height HO from the bottom BO from that its upper edge is higher than the level of intended for a rinsing process target total amount of rinsing or - foam amount.
  • the outflow element AUS which is mounted on the output side of the sorption container SB and projects into the interior of the rinse container SPB, is thus expediently designed such that the air flow LS2 emerging from it is directed away from the spray arm SA.
  • the outflowing airflow LS2 becomes a rearward corner area between the rear wall RW and the adjacent one Side wall SW of the washing container steered.
  • spray water or foam during cleaning or other flushing through the opening of the Ausströmstutzens can get into the interior of the sorption. This could impair or even nullify the desorption process.
  • sorbent material could be permanently damaged by flushing liquid. Extensive tests have shown that the functionality of the sorption material in the sorption container can largely be preserved or preserved over the life of the dishwasher, if it is reliably prevented that no water, cleaning agent or rinse aid in the rinse water can enter the sorption material.
  • At least one outflow device AUS which is connected to at least one outflow opening AO of the sorbent container SB, arranged in the interior of the washing container SPB, the air blown out of her LS2 of at least one housed in the washing container SPB sprayer SA is largely directed away.
  • the outflow device AUS is arranged outside the working range of the spray device SA.
  • the spraying device may, for example, be a rotating spray arm SA.
  • the outflow device AUS is preferably provided in a rear corner region EBR between the rear wall RW and an adjacent side wall SW of the washing container SPB.
  • the outflow device AUS has a blow-out opening ABO with a height clearance HO above the bottom BO of the rinse container SPB, which is higher than the level of a set rinse bath total amount provided for a rinse operation.
  • the outflow device AUS comprises a discharge connection AKT and a splash protection cover SH.
  • the splash guard SH has a geometry which has the blow-out opening ABO of the outflow nozzle AKT.
  • the splash guard SH is slipped over the outflow AKT such that by the outflow AKT from the sorbent SB with an ascending flow direction high-flowing air after its exit from the exhaust port ABO of the outflow AKT a downwardly directed Zwangsströmungweg ALS can be impressed.
  • the above the bottom BO of the washing container SPB upwardly projecting outflow AKT is coupled to the connection piece STE on the cover part DEL of the arranged under the bottom BO sorption SB.
  • the splash guard SH is in its the sprayer SA facing housing portion GF top side and underside closed trained.
  • the splash guard SH covers the blow-off opening ABO of the outlet connection AKT with an upper free space.
  • the outflow branch AKT has an upper, outwardly curved edge or circumferential collar KR.
  • the splash guard SH envelopes an upper end portion of the outflow AKT such that between its inner wall and the outer wall of the outflow AKT a clearance SPF is formed.
  • the gap SPF between the splash guard SH and the outflow AKT is formed such that an Luftausströmweg ALS is provided from the outflow AKT, which is directed away from the spray SA in the washing container SB.
  • a projecting into the gap SPF SPITZ Spritzwasserabweiselement is provided at the outflow AKT .
  • a lower edge zone UR of the splash guard SH is curved inwards.
  • the splash guard SH has such a rounded outer surface, that it can pour an incident spray of the spray SA to film over its surface.
  • FIG. 15 shows a schematic longitudinal sectional view of the fixation of the inlet side, front end portion ET of the air duct LK in the region of the outlet opening ALA in the side wall SW of the washing compartment SPB of FIG. 2 ,
  • the front end section ET of the air duct LK protrudes into the interior of the washing compartment SPB in such a way that a collar edge projecting vertically against the side wall SW is formed.
  • This has an internal thread SG.
  • an annular inlet element IM is screwed with an external thread. It thus acts as a fixing element for holding the end portion ET.
  • This annular fixing element has a toroidal, round receiving chamber for a sealing element DI2.
  • This sealing element DI2 seals an annular gap between the outer edge of the inlet-side, end-side end section ET of the air duct LK and the fixing element.
  • the fixing element is formed here in the exemplary embodiment in particular by a union nut-like screw ring, which is bolted to the inlet side, front end portion ET of the air duct LK.
  • the annular fixing element IM a central passage MD, can be sucked through the air LU from the interior of the washing container SPB.
  • At least one rib-shaped engagement protection in / or in front of the inlet opening MD of the inlet-side tube section ET of the air-guiding channel LK, which has freely continuous gaps between its engagement ribs RIP for the inflow of air from the rinsing container.
  • These ribs RIP are indicated by dash-dotted lines.
  • FIG. 16 shows in a schematic plan view of the bottom assembly BG. It comprises, in addition to the fan unit LT, the sorption tank SB, the circulation pump UWP, etc., a main control unit HE for controlling and checking it.
  • the heating device HZ of the sorption container SB is also regulated for its desorption process by means of at least one control device. This is formed here in the embodiment by an additional control device ZE. It serves to interrupt or connect the power supply line SZL to the heating device HZ as required.
  • the additional control device ZE is controlled by the main control unit HE via a bus line BUL. From the main controller HE, a power supply line SVL is guided to the additional control device ZE. It also controls the fan unit LT via a control line SLL. In particular, the power supply line of the fan unit LT can also be integrated in the control line SLL.
  • the temperature sensor TSE is between stiffening ribs VR (see FIG. 3 ) suspended in the space between the two legs of the inlet side pipe section RA1 of the air duct LK. In this case, it is brought into contact with the side wall SW of the washing container SPB.
  • the main control device HE simultaneously activates the additional control device ZE via the bus line BUL in such a way that an electrical voltage is applied to the pole pins AP1, AP2 of the heating device HZ via the current connection line SZL.
  • the main control unit HE determines via the measuring signals of the temperature sensor can, it can give the additional control device ZE via the bus line BUL the instruction to take away the voltage on the power supply line SZL and thereby turn off the heating device HZ completely.
  • the desorption process for the sorbent in the sorption can be completed.
  • FIG. 16 This is schematically illustrated by the fact that a program key or a program menu item PG1 is shown, which via a control line SL1 control signals SS1 the control logic HE corresponding activation or deactivation signals for switching on and off of Sorptionsstrockensystems TE.
  • a first selection key for selecting a program variant "energy” or "sorption operation” can be provided in the control panel of the dishwasher.
  • This program focuses on saving energy. This is achieved in that the rinse process is not heated at all by means of a continuous flow heater and the drying of the items to be washed, in particular of the dishes, is effected solely by means of the sorption drying system TS.
  • the sorption drying system that is now being used can be used to save electrical heating energy by sorption of air humidity. Thus, it can be achieved both by so-called “self-heat drying” and by sorption drying, i. By combining or supplementing both types of drying, an improved drying of wet or moist ware can be achieved.
  • another "drying performance” button may be provided in the control panel of the dishwasher, which may be the “drying power” button Blower life of the fan unit increased. As a result, an improved drying of all crockery parts can be achieved.
  • another "program runtime" key may be provided. If the sorption drying system is switched on, the program runtime can be reduced compared to conventional drying systems (without sorption drying). Possibly. By further heating in the cleaning phase and optionally by increasing the spraying pressure by increasing the motor speed of the circulation pump, the running time during cleaning can be further shortened. Furthermore, by increasing the rinse temperature, the drying time can be further reduced.
  • an operating button with the function "influencing the cleaning performance” may be provided.
  • the cleaning performance can be increased while the running time remains constant, without the energy consumption being increased compared to a dishwasher without a sorption drying system. Because by the fact that at the same time the sorption process is started during the cleaning process and thereby hot air, which is loaded with a leaked from the sorbent amount of water, enters the washing, heating energy can be saved for heating a desired Spülbad total amount of liquid.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Drying Of Solid Materials (AREA)

Claims (13)

  1. Lave-vaisselle (GS), en particulier lave-vaisselle ménager, avec au moins un bac de lavage (SPB) et au moins un système de séchage par sorption (TS) destiné au séchage des articles de vaisselle,
    le système de séchage par sorption (TS) possédant au moins un bac de sorption (SB) avec matière de sorption (ZEO) réversiblement déshydratable qui est raccordé par au moins un canal d'amenée d'air (LK) au bac de lavage (SPB) pour la production d'un courant d'air (LS1),
    au moins un dispositif d'écoulement (AUS), raccordé à au moins une ouverture d'écoulement (AO) du bac de sorption (SB) est agencé à l'intérieur du bac de lavage (SPB) de façon que l'air soufflé par lui (ALS) est largement détourné par au moins un dispositif de pulvérisation (SA) logé dans le bac de lavage (SPB),
    le dispositif de pulvérisation (SA) étant un bras de pulvérisation rotatif, le dispositif d'écoulement (AUS) possédant une buse d'écoulement (AKT) et un couvercle anti-éclaboussures (SH), la buse d'écoulement (AKT) du dispositif d'écoulement (AUS) dépassant du fond (BO) du bac de lavage (SPB) dans l'espace intérieur du bac de lavage (PB) à un endroit situé à l'extérieur de la surface de rotation comprise par le bras inférieur de pulvérisation (SA),
    le couvercle anti-éclaboussures (SH) possédant une forme géométrique enfilant l'ouverture d'écoulement (ABO) de la buse d'écoulement (AKT), le couvercle anti-éclaboussures (SH) enveloppant une section terminale supérieure de la buse d'écoulement (AKT) de façon qu'entre leur cloison intérieure et la cloison extérieure de la buse d'écoulement (AKT), il se forme un espace libre en fissure, et
    le couvercle anti-éclaboussures (SH) étant enfilé sur la buse d'écoulement (AKT) de façon qu'à l'air affluant par la buse d'écoulement (AKT) du bac de sorption (SB) avec une direction d'écoulement ascendante est, après sa sortie de l'ouverture de soufflage (ABO) de la buse d'écoulement (AKT), imposé une direction de courant (ALS) vers le bas.
  2. Lave-vaisselle selon la revendication 1, caractérisé en ce que le couvercle anti-éclaboussures (SH) enfile la buse d'écoulement (AKT) à la manière d'un parapluie ou d'un champignon.
  3. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que la buse d'écoulement (AKT) dépasse par une ouverture de passage (DG) du fond (BO) du bac de lavage (SPB) dans une zone de coin (EBR) du bac de lavage (SBP), qui se situe à l'extérieur de la surface de rotation recouverte par le bras de pulvérisation (SA).
  4. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif d'écoulement (AUS) est prévu dans une zone en coin arrière (EBR) entre la paroi arrière (RW) et une paroi latérale contiguë (SW) du bac de lavage (SPB).
  5. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif d'écoulement (AUS) présente une ouverture de vidange (ABO) avec un écart en hauteur (HO) au-dessus du fond (BO) du bac de lavage (SPB) qui est situé plus haut que le niveau d'une quantité totale de bain de lavage théorique prévue pour un processus de lavage.
  6. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que la buse d'écoulement (AKT) au-dessus du fond (BO) du bac de lavage (SPB) éloignée en hauteur est couplée à une buse de raccordement (STE) sur la partie de couvercle (DEL) du bac de sorption (SB) agencé sous le fond (BO).
  7. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que le couvercle anti-éclaboussures (SH) est réalisé, dans sa zone de boîtier (GF) tournée vers le dispositif d'injection (SA) fermé côté haut comme côté bas.
  8. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que le couvercle anti-éclaboussures (SH) recouvre l'ouverture de purge (ABO) de la buse d'écoulement (AKT) avec un espace libre supérieur.
  9. Lave-vaisselle selon au moins l'une des revendications précédentes, caractérisé en ce que l'espace libre en fissure (SPF) entre le couvercle anti-éclaboussures (SH) et la buse d'écoulement (AKT) est configuré de telle façon qu'une trajectoire d'écoulement de l'air (ALS) hors de la buse d'écoulement (AKT) est procurée, laquelle est détournée du dispositif de pulvérisation (SA) dans le bac de lavage (SB).
  10. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce que sur la buse d'écoulement (AKT) est prévu un élément butoir de l'eau d'injection (PB) dépassant dans l'espace libre en fissure (SPF).
  11. Machine à laver selon au moins l'une des revendications précédentes, caractérisé en ce qu'une zone marginale inférieure (UR) du couvercle anti-éclaboussures (SH) est voutée vers l'intérieur.
  12. Machine à laver selon au moins l'une des revendications précédentes, caractérisé en ce que le couvercle anti-éclaboussures (SH) présente une surface extérieure arrondie de telle façon qu'elle laisse se déverser un filet de pulvérisation incident du dispositif d'injection (SA) sous forme de film sur sa surface.
  13. Machine à laver selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif d'écoulement (AUS) est configuré de telle façon que l'écoulement d'air (LS2) s'écoulant de celui-ci est orienté dans une zone en coin arrière entre la paroi arrière (RW) et la paroi latérale contiguë (SW) du bac de lavage (SB).
EP09781541.9A 2008-08-27 2009-08-06 Lave-vaisselle comprenant un dispositif de séchage par sorption Active EP2328460B1 (fr)

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PL09781541T PL2328460T3 (pl) 2008-08-27 2009-08-06 Zmywarka do naczyń z sorpcyjnym urządzeniem osuszającym

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DE200810039885 DE102008039885A1 (de) 2008-08-27 2008-08-27 Geschirrspülmaschine mit Sorptionstrockenvorrichtung
PCT/EP2009/060183 WO2010023072A1 (fr) 2008-08-27 2009-08-06 Lave-vaisselle comprenant un dispositif de séchage par sorption

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EP2328460B1 true EP2328460B1 (fr) 2018-10-10

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CN (1) CN102131445A (fr)
AU (1) AU2009286887B2 (fr)
DE (1) DE102008039885A1 (fr)
NZ (1) NZ590841A (fr)
PL (1) PL2328460T3 (fr)
RU (1) RU2534894C2 (fr)
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PL2389854T3 (pl) 2010-05-24 2017-02-28 Electrolux Home Products Corporation N.V. Urządzenie i sposób dla zmywarki
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EP2757930B1 (fr) 2011-09-20 2015-11-25 Indesit Company, S.p.A. Lave-vaisselle comprenant un système de séchage
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PL3114979T3 (pl) * 2015-07-09 2020-02-28 BSH Hausgeräte GmbH Zmywarka do naczyń z urządzeniem wydmuchującym
DE102015212888A1 (de) * 2015-07-09 2017-01-12 BSH Hausgeräte GmbH Geschirrspülmaschine mit einer Trocknungseinrichtung
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US8834645B2 (en) 2014-09-16
AU2009286887A1 (en) 2010-03-04
PL2328460T3 (pl) 2019-03-29
RU2534894C2 (ru) 2014-12-10
TR201816383T4 (tr) 2018-11-21
US20110139196A1 (en) 2011-06-16
DE102008039885A1 (de) 2010-04-08
CN102131445A (zh) 2011-07-20
NZ590841A (en) 2012-08-31
EP2328460A1 (fr) 2011-06-08
WO2010023072A1 (fr) 2010-03-04
RU2011109919A (ru) 2012-10-10
AU2009286887B2 (en) 2014-06-26
JP2012500683A (ja) 2012-01-12

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