DE102021211144A1 - Dishwasher with at least one drying unit comprising a sorbent - Google Patents

Abstract

A dishwasher (1) with at least one drying unit (16) containing a sorbent, through which, in a drying phase, in particular moist air from a washing compartment (2) in which crockery, glasses, cutlery and the like can be processed can be passed, the washing compartment for Is provided with a movable front door (3) for loading or unloading, is designed in such a way that during a drying phase the dishwasher directs part of the air from the washing container (2) over the sorbent and part to at least one air outlet (14) to the outside forwards, with the front door (3) remaining closed during the entire drying phase.

Description

The present invention relates to a dishwasher with at least one drying unit comprising a sorbent, through which, in a drying phase, particularly humid air from a washing compartment in which crockery, glasses, cutlery and the like can be processed can be passed, the washing compartment for loading or unloading with provided with a movable front door, according to the preamble of claim 1.

In dishwashers of this type, it is desirable for the items to be washed to be as completely dried as possible and to be able to be removed from the washing compartment without water stains. At the same time, however, the use of energy for drying should be low; in addition, wetting of adjacent kitchen furniture or the worktop should be avoided.

For a good drying result for crockery, glasses, cutlery and similar items that can be processed in a washing compartment, it is advantageous to be able to remove moist air from the washing compartment. It is therefore known to connect the rinsing container to an air outlet which transports humid air out of the rinsing container to the outside environment. Such an air outlet is often located in the upper area of a front door or front door, which can be opened and closed automatically. Supplying air to this moving unit is therefore relatively complex and expensive, and the high arrangement in the appliance also poses the risk of cabinets or worktops located above the dishwasher or parts of the dishwasher and their panels being damaged by the large amount of escaping moisture or that the kitchen floor in front of the dishwasher gets wet and therefore slippery. In addition, in the vicinity of such an air outlet, there is a significant draft phenomenon, which is very uncomfortable, especially in small kitchens where users sit close to a dishwasher.

As an alternative to an air outlet in the front door, the front door of the respective household dishwasher is often also opened in a gap during the drying phase of a dishwashing program to be carried out to support drying, so that moist washing chamber air can escape from the washing chamber of the washing compartment into the environment at the place of installation of the household dishwasher and is replaced by ambient air that is drier than it can. With such a door opening - especially if it takes place in the initial phase of the drying phase - but a removal of thermal energy from the washing compartment is connected, which is energetically counterproductive, since the heat is required for drying. In particular, the problem associated with opening the door is that a lot of thermal energy is very quickly dissipated from the washing compartment into the environment, which runs counter to the desire for a good drying result.

It is also known to provide a sorbent--such as zeolite--that can bind moisture from the air while it is being conducted through, thus enabling dried air to be returned to the washing container in an air circulation process. However, this sorbent has to be regenerated using a lot of energy in order to be able to absorb water again in the next rinse cycle.

The invention is based on the problem of achieving high cost and energy efficiency with very good drying of the items to be washed while avoiding as much as possible the application of water vapor to surrounding furniture, the kitchen floor and front parts of the dishwasher.

The invention solves this problem with a dishwasher having the features of claim 1. With regard to advantageous configurations and developments of the invention, reference is made to claims 2 to 17.

The fact that, with the invention, a dishwasher directs part of the air out of the washing compartment via a sorbent and dried back again during a drying phase and directs part to the outside via at least one air outlet, with the front door remaining closed during the entire drying phase, a very effective drying achieved in a combination of different drying principles. Partial blowing out means that the sorbent does not have to be driven completely into saturation with water and thus the energy input for regenerating the sorbent by desorption can be significantly reduced. At the same time, because the front door remains closed, there is no need for an automatic door opening mechanism, which simplifies the construction and saves considerable costs. By keeping the front door closed, a rapid high heat loss is avoided, so that in the further drying process there is still enough heat energy in the washing container for an optimized drying result.

If the air outlet for blowing out particularly moist air from a washing container is arranged in the lower quarter of the height of the appliance and is preferably a slot outlet over at least two thirds of the width of the dishwasher machine extends, a draft is also largely avoidable. The wide extension enables a good distribution of the blown air without punctual peaks.

Particularly favorably, in a first section of the drying phase, drying via the sorbent predominates, and in a subsequent section, drying via blowing out air. This means that at the beginning of drying, when the moisture content is particularly high, very effective adsorption drying, e.g. B. zeolite, ensure a rapid reduction in water content. At the same time, the air circulation process is used in this phase, so that hardly any heat energy is released into the environment.

In particular, the first section with the predominant adsorption drying can take up at least a third of the time of the drying phase, for example about 60% of the time.

Drying that is also very effective in terms of energy can be achieved if the air is guided completely over the sorbent during the first section and the air is guided completely through the air outlet in a later section. The control effort is minimized, as is the loss of thermal energy in the first section.

Favorably, during a drying phase, air can be routed out of the washing compartment, either selectively or jointly, on the one hand to the air outlet and/or to the drying unit containing a sorbent. This allows maximum flexibility when selecting the respective drying principle.

Advantageously, for the air line, a conveying element (such as a fan), by which air can be sucked in and passed on from the washing container, is followed by a valve control for the further air line. The conveying element can then continue to work in suction mode, from the rinsing tank to the conveying element the hardware from a pure adsorption dryer can be retained.

The air-conveying element, in particular a fan, preferably runs continuously over the two time sections of the drying phase explained above. The drying phase is in particular the phase concluding the program of a dishwashing program to be carried out after the end of its last partial washing phase carrying washing liquid, in particular the rinsing phase.

If the valve control includes a simple valve for opening or closing a blow-off line leading to the air outlet, this air outlet can be activated in addition to the zeolite drying.

If, for example, the valve control includes a three-way valve for setting different operating modes, either pure circulating air drying via the sorbent or pure exhaust air drying through the air outlet or a combination of both types of drying can be set.

If the air outlet is arranged in the lower quarter of the height of the appliance, the dishwasher itself is first acted upon when water vapor rises from the air outlet, so that part of the water can condense there and does not hit the furniture above. In addition, the fact that the air outlet extends as a slit outlet over at least two thirds of the width of the dishwasher means that the escaping moisture is distributed widely and mixed with the drier outside air in the room. The escaping moist air is distributed in this way, and high moisture penetration into the furniture is avoided. Drafts are also significantly reduced thanks to the good distribution width of the air.

If the air outlet has at least one air guiding element for the targeted conveyance of air into the area in front of the front of the dishwasher, which applies a downward component to the outflowing air, the warm air can rise to an area far in front of the fronts of the kitchen furniture that they are spared from exposure to moisture. Due to the downward blow-out component, the escaping air can initially be directed away from the front of the furniture in the area of the furniture panel, in particular also in the area of a front door of the dishwasher itself, and only rise a few centimeters further outside the furniture due to its own heat.

An air guide element can be formed very favorably by a wall that is present anyway and delimits the air outlet at the top. Then additional components are avoided, which simplifies the construction and reduces the cost of materials.

If the air outlet is arranged on the front side of the dishwasher facing a user and blows the air out with one component to the front, it is ensured that the moist air that is blown out cannot collect within a row of kitchen furniture, but instead reaches the front to the outside in order to have a good air flow there To allow the contained moisture to disperse.

If the air guiding element advantageously points downwards by at least two degrees relative to the horizontal towards the front, the humid air which is blown out can be guided, for example, under a door leaf which projects in relation to the base, so that this remains free of moisture.

In particular, the air guiding element can point downwards by at least four degrees towards the front and thus initially bring about a significant downward movement of the exiting air flow before it rises far in front of the furniture due to its heat. At the same time, however, the downward movement remains sufficiently small that the escaping air does not leave a damp spot on the floor that could cause a risk of slipping. In particular, therefore, the angular deviation from the horizontal remains less than ten degrees if the air outlet is arranged in the upper region of a base of a dishwasher standing on the floor.

For the outer delimitation of the air flow, a wall delimiting the air outlet downwards can form a second air guiding element and, together with the first air guiding element, can form a blow-out duct several centimeters long pointing in the direction of the front side. A defined, essentially laminar air flow is then made possible. The second air guiding element can lie horizontally or rise slightly in order to achieve a nozzle effect by narrowing the outlet channel. However, the eventual slope of the second airfoil is less than the slope of the upper airfoil in order to maintain the downward component in any case.

Very favorably, at the rear of the air outlet, there is a duct which extends over its width and is open at the top, in which partial streams of air can be guided, which then run evenly through the entire duct. A front edge of the duct can adjoin the essentially horizontally extending air outlet at an angle, which in this way takes up the widely distributed air from the duct and directs it out to the front.

The partial flows in the mentioned duct are divided particularly favorably via an air distributor from a common air flow coming from the washing container. Only one supply line is then necessary, the division of the air only occurs when it enters the channel.

If the air outlet in a dishwasher with a width of 60 cm is at least 40 centimeters wide, a very wide and even distribution of the moisture and the escaping air can be achieved. The width of the air outlet can take up almost the entire width of the device in a particularly favorable manner.

In particular, the air outlet is a flat slot outlet with a height-to-width ratio of between 1:20 and 1:200, particularly favorable of about 1:100. educated. Despite the structurally and optically very low height, a high discharge surface can be achieved.

If the air outlet extends over a plinth cover that closes a plinth at the front and protrudes at least the same distance towards the front, the moist air can escape to the front far enough so that neither the kitchen floor nor the front of the dishwasher, in particular a front door, gets too wet pressurize The air flow that is blown out can initially flow out at an initial speed in a slightly falling direction and, at a distance in front of the dishwasher, experience a rising component due to its high heat.

Further advantages and features result from the exemplary embodiments of the subject matter of the invention which are illustrated in the drawing and described below.

• 1 eine schematische perspektivische Ansicht von schräg vorne einer Ausführungsform einer Geschirrspülmaschine mit einem rückspringenden Sockel im unteren Bereich,
• 2 eine perspektivische Ansicht einer Funktionseinheit, die eine Luftführung vom Spülbehälter zu einem Förderorgan sowie eine ein Sorbens umfassende Trocknungeinheit und einen weiteren Abgang am Förderorgan zu einem breit erstreckten und der Vorderseite zugeordneten Luftauslass mit Diffusor umfasst,
• 3 eine Detailansicht, etwa entsprechend dem Detail III in 2,
• 4 eine ähnliche Ansicht wie 3, jedoch einer abgewandelten Version mit Dreiwegeventil,
• 5 eine Ansicht von zwei Taupunktkurven und einer Temperaturkurve im Spülbehälter über die Zeit während der Trocknungsphase.

In the drawing shows:

• 1 a schematic perspective view diagonally from the front of an embodiment of a dishwasher with a recessed base in the lower area,
• 2 a perspective view of a functional unit, which includes an air duct from the washing container to a conveying element as well as a drying unit comprising a sorbent and a further outlet on the conveying element to a broad air outlet with diffuser assigned to the front side,
• 3 a detailed view, roughly corresponding to detail III in 2 ,
• 4 a similar view as 3 , but a modified version with three-way valve,
• 5 a view of two dew point curves and a temperature curve in the rinsing tank over time during the drying phase.

This in 1 The household appliance shown schematically here is a dishwasher 1, specifically a household dishwasher. Other household appliances with a drying function for the material to be processed can also be considered in principle for an embodiment according to the invention.

The domestic dishwasher 1 described below 1 has, as part of an appliance body G that is partially open or closed to the outside, a washing container 2 for receiving items to be washed, such as crockery, pots, cutlery, glasses, cooking utensils, and the like. The items to be washed can be held, for example, in crockery baskets 11 and/or a cutlery drawer 10 and can be acted upon by so-called washing liquor. Washing liquor is understood to mean water that is fresh or, in particular, water that is circulating during operation, with or without cleaning agent and/or rinse aid and/or drying agent. In particular, the washing liquor has passed through an ion exchanger for softening. The rinsing liquor can also contain more or less dirt from ongoing operations. The washing container 2 can have an at least essentially rectangular outline with a front side V facing a user in the operating position. This front side V can form part of a kitchen front made of kitchen furniture standing next to one another or, in the case of a stand-alone appliance, can also be unrelated to other furniture.

The washing compartment 2 can be closed, in particular on this front side V, by a front door or flap 3 . This front door 3 is in 1 shown in a partially open position and then at an angle to the vertical. In its closed position, however, it stands upright and, according to the drawing, can be pivoted forwards and downwards in the direction of arrow 4 to its opening around a lower horizontal axis, so that it is at least almost horizontal in the fully open position.

On the outside and front side V of the dishwasher 1, which is vertical in the closed position and faces the user, the door 3 can be provided with a decorative panel 6 in order to experience a visual and/or haptic enhancement and/or an adaptation to the surrounding kitchen furniture.

The dishwasher is designed here as a stand-alone or as a so-called. Partially integrated or as a fully integrated device. In the latter case, the device body G can also essentially end with the outer walls of the washing container 2 . A housing surrounding this on the outside can then be dispensed with. In the lower area of the dishwasher there can be a base 12 for accommodating functional elements in particular, such as a pump for circulating the washing liquor, and also an air outlet 14, which will be described further below.

In the exemplary embodiment according to the drawing, the movable front door 3 is assigned in its upper area a control panel 8 which extends in the transverse direction Q of the dishwasher and which can include an access opening 7 accessible from the front V for manually opening and/or closing the front door 3. In the transverse direction Q, the dishwasher often extends 45, 50 or 60 centimeters. In the depth direction T from the front V to the rear, the extension is often also around 60 centimeters. The values are not mandatory. Also, the dishwasher 1 does not have to stand directly on a floor B, but can also be installed approximately at eye level within a piece of kitchen furniture, so that the initially mentioned problem of drafts through an air outlet 14 must then be given particular attention.

When the front door or flap 3 is closed, the washing compartment 2 is delimited all around by three fixed vertical walls 13 and two horizontal walls 13 , one of which forms a top (top) and another a bottom (bottom) of the washing compartment 2 . A left upright side wall 13 adjoins the front side V facing the user in the transverse direction Q to the left and a right upright side wall 13 to the right.

The wall 13 forming the base of the washing compartment 2 and delimiting it essentially downwards lies approximately horizontally above the base 12, ie parallel to an outer base B on which the dishwasher 1 can stand. A higher installation, for example at the height of a worktop, is also possible, as mentioned, in particular within a cupboard. The lower edge of the dishwasher 1 is then approximately 70 to 110 centimeters above the floor in the installed position.

The dishwasher 1 is provided with at least one air outlet 14 for blowing out, in particular, humid air from the washing container 2 . This air outlet 14 can blow air sucked out of the washing chamber of the washing compartment, in particular moist air, into the free air space on the front side V of the dishwasher 1 facing a user, so that the moist air is not introduced inside a kitchen unit and could cause damage there due to moisture .

The air outlet 14 is part of a blow-out unit 15, which has a total of approx 2 is shown. The blower assembly 15 comprising the at least one air outlet 14 extends over at least half the width Q of the dishwasher 1, in particular more. A particularly uniform distribution of the exiting air can thus be achieved, so that the phenomenon of drafts is minimized.

The blow-out unit 15 can be made entirely of plastic. Furthermore, the air outlet 14 can be divided into a plurality of partial slits lying flush next to one another. They don't all have to be the same length. It is important that a broad air outlet 14 is created overall, which enables a high air throughput in order to achieve a broad distribution of the moisture contained in the air.

The air outlet 14 is arranged here in the lower quarter of the appliance height and extends as a one-part or multi-part slot outlet over at least two thirds of the width Q of the dishwasher 1. In particular, in a domestic dishwasher with an appliance width of 60 cm, the air outlet 14 is at least 40 centimeters wide. He can, as in the 2 and 3 is clearly recognizable, also extend over almost the entire width Q of the dishwasher 1.

The dishwasher 1 is also provided with at least one drying unit 16 comprising a sorbent, through which, in a drying phase, particularly humid air from a washing compartment 2 in which crockery, glasses, cutlery and the like can be processed can be passed. The air that is guided and dried in this way can then be fed back into the washing compartment 2 via a blow-out socket 17 in air-circulation mode.

The supply of air from the washing compartment 2 is ensured via an inlet connection 18 located in the upper area of the washing compartment into an air supply 19, which in particular forms a closed channel and leads to a conveying element 20, in particular a fan wheel, in order to circulate the air via the air supply 19 suck and forward.

Two options are provided here for forwarding: firstly via the first outlet 21 into the drying unit 16, secondly via the second outlet 22 to the broadly extended air outlet 14.

It is thus possible for the dishwasher 1 during a drying phase, in particular a dishwashing program to be carried out, to direct part of the air from the washing compartment 2 via the drying unit 16 and the sorbent located therein and direct part of it to at least one air outlet 14 to the outside. The front door 3 remains closed during the entire drying phase, so that the heat loss from the washing compartment is considerably slower and more controlled than when the door is opened.

in the in 5 In the drying phase shown and as an example, drying via the sorbent predominates in a first section 23 of the drying phase and drying via the blowing out of air through the air outlet 14 in a subsequent section 24. The air conveying element 20, in particular a fan, runs over the preferably continuously over both periods 23 and 24 of the drying phase. In the exemplary embodiment, the drying phase is in particular the program-concluding phase of a dishwashing program to be carried out after the end of its last partial washing phase carrying washing liquid, in particular the rinsing phase.

In 5 It can be seen that the first section 23 takes up at least half the time of the drying phase, here for example the time from about 160 minutes to 212 minutes, whereas the second section 24 runs from about 212 minutes to about 250 minutes.

In particular, it can be the case that in the respective section one or the other type of drying not only predominates, but during the first section 23 the air is routed completely over the sorbent and in a later section 24 the air is routed completely through the air outlet 14 . In particular in the initial phase of drying, a complete circulating air operation via the drying unit 16 is then possible, so that practically no heat energy, which is urgently needed for drying, escapes from the washing compartment 2 to the outside.

Nevertheless, it is possible that during a drying phase, air from the washing container can be routed either to the air outlet 14 and/or to the drying unit 16 containing a sorbent, either selectively or jointly.

In order to enable different modes of operation, a valve control 25 for the further air line is arranged downstream of the conveying element 20 for the air line.

For example, drying unit 16 and air outlet 14 can be used jointly if the supply to drying unit 16 is open and a simple open-close valve is used as valve control 25 in the second outlet 22 to air outlet 14, as is shown in 3 is shown.

As alternative in 4 is shown, however, the valve control 25 can comprise, for example, a three-way valve for setting different operating modes. Not only one can do this allows joint operation of both outlets 21 and 22, but each outlet 21 or 22 can also be controlled individually and in succession. A strict separation of the air supply to the drying unit 16 on the one hand and to the air outlet 14 is thus also possible without both paths 21, 22 being acted upon in parallel.

The air outlet 14 is arranged on the front side V of the dishwasher facing the user and comprises at least one air guiding element 26, here the upper side of the actual diffuser 27, to ensure that air is conveyed with little draft and, in particular, to avoid moisture damage, in the area in front of the front side V of the dishwasher 1 outflowing air is subjected to a downward component. The air exit to the front is therefore not completely horizontal, but slightly downwards.

In this case, the air guiding element 26 points downwards by at least two degrees toward the front side V. The slope can also be greater and point downwards by at least four degrees.

On the air outlet 14, opposite the air guiding element 26, there is a downwardly delimiting wall which forms a second air guiding element and in this way, together with the first air guiding element 26, forms a nozzle-like, tapering outlet channel of several centimeters (typically about 5 to 8 centimeters) in length.

The air outlet with the exhaust channel extending forward V can also overlap a base panel 5 that is clearly recessed compared to a front door 3 and closes a base 12 to the front and protrude at least the same distance towards the front side V. As a result, the base panel 5 itself is not exposed to moisture. However, due to the downward component in the blown-out air flow introduced via the air guiding element 26, this is also conducted under the front door 3 that protrudes further towards the front side V (e.g. 5 to 10 centimeters) without, for example, wetting the front decorative element 6 there. Rather, the air flow is transported a few centimeters further forward V before it can rise due to the higher intrinsic heat compared to the surrounding kitchen air. However, it is far enough away from the furniture fronts. At the same time, because the air guide element 26 has only a slight incline, wetting of the floor B is likewise avoided. The wide extension of the air outlet 14 also prevents disturbing drafts.

The conveying element 20 can also be controlled in a clocked manner, even over a period of several days. Alternatively and particularly effectively, the conveying element is controlled via a moisture sensor system, which provides a measure of the current moisture content of items to be washed in the washing compartment.

Such a dishwasher 1 can also be provided with a so-called storage function, which allows the items to be washed to remain in the washing compartment 2 after processing without becoming wet again. This retention can last for several days without the dryness of the items to be washed deteriorating. The dishwasher 1 then also serves as a storage and drying cabinet from which the items to be washed can be removed fresh and dry.

In both cases, the conveyor element is only switched on every now and then in order to repeatedly convey moist air out of the washing container 2 and thus to preserve the quality of the cleaning of the items to be washed, even over a longer period of time. Due to the only low effective running times, the energy requirement is low—as is the noise level from the at least one fan wheel or similar conveying element.

At least one connection located at the rear of the air outlet 14 is provided for conveying moist air from the washing compartment 2 into the air outlet 14 . The air introduced through this connection can first be supplied to an air distributor, which protrudes into the cross section of the connection, which is tubular in this case, and divides the air flow approximately in the middle.

The air distributor transitions into a curved air-guiding element that protrudes into a duct that is arranged behind the air outlet 14 in the transverse direction Q (that is, facing away from the front side V). The duct has a considerably greater height than the air outlet 14 and can have drains for condensed water on its underside.

The partial flows in the channel are diametrically opposed to each other and run from the air distributor, which is ideally in the middle with respect to the transverse direction Q, to almost both outer walls of the dishwasher 1. The partial flows have a sufficiently high speed to have an approximately uniform density on their opposite paths through the channel keep before the air with a component up and forward can escape from this in the actual diffuser 27.

The above Ideally, in the width direction Q, the channel has the same extent as the diffuser 27, in particular at least 40 centimeters.

In particular, this is the - one or more parts - air outlet 14 according to 2 as flat Formed slot outlet whose height to width ratio between 1:20 and 1:200, preferably of about 1:100, (especially in a domestic dishwasher with 60 cm device width) can be. Then, with an air outlet 4 that is 40 centimeters wide, its height in the vertical direction H is less than about 2 centimeters. It is then ensured that, on the one hand, little installation space is taken up in the vertical direction H, and on the other hand, the overall extension of the air outlet 14 is large enough to discharge a large volume and thus keep the draft very low.

Reference List

1

home appliance,

2

rinsing tank,

3

front door,

4

pan direction,

5

skirting board,

6

decorative panel,

7

access opening,

8th

control panel,

10

cutlery drawer,

11

dish rack,

12

Base,

13

walls of the rinsing tank,

14

air outlet,

15

exhaust unit,

16

drying unit,

17

outlet socket,

18

inlet nozzle,

19

air supply,

20

funding body

21

1st exit,

22

2nd exit,

23

Section,

24

Section,

25

valve control,

26

air guide element,

27

diffuser,

V

Front,

Q

transverse direction,

B

Floor,

H

vertical height,

G

device body

Claims (17)

Dishwasher (1), in particular household dishwasher, with at least one drying unit (16) comprising a sorbent, through which in a drying phase, in particular moist air from a washing container (2) in which crockery, glasses, cutlery and the like can be processed can be passed, wherein the washing compartment is provided with a movable front door (3) for loading and unloading, characterized in that during a drying phase the dishwasher directs part of the air from the washing compartment (2) over the sorbent and part to at least one air outlet (14) to the outside, with the front door (3) remaining closed during the entire drying phase. Dishwasher (1) after claim 1 , characterized in that the air outlet (14) for blowing out particularly moist air from a washing container (2) is arranged in the lower quarter of the appliance height (H) and extends as a slot outlet over at least two thirds of the width (Q) of the dishwasher (1) extends. Dishwasher (1) according to one of Claims 1 or 2 , characterized in that in a first section (23) of the drying phase the drying over the sorbent and in a subsequent section (24) the drying over the blowing out of air predominates. Dishwasher (1) after claim 3 , characterized in that the first section (23) takes up at least a third half of the time of the drying phase. Dishwasher (1) according to one of claims 3 or 4 , characterized in that during the first section (23) the air is passed completely over the sorbent and in a later section the air is passed completely through the air outlet (14). Dishwasher (1) according to one of Claims 1 until 5 , characterized in that during a drying phase, air from the washing container can be routed either to the air outlet (14) and/or to the drying unit (16) containing a sorbent, either selectively or jointly. Dishwasher (1) after claim 6 , characterized in that to the air line a conveying member (20) from which air can be sucked in and passed on from the washing container, a Valve control (25) is subordinate to the further air line. Dishwasher (1) after claim 7 , characterized in that the valve control (25) comprises a simple valve for opening or closing a blow-off line leading to the air outlet (14). Dishwasher (1) after claim 7 , characterized in that the valve control (25) comprises a three-way valve for setting different operating modes. Dishwasher (1) after claim 9 , characterized in that the air outlet (14) has at least one air guiding element (26) for the targeted conveyance of air into the area in front of the front (V) of the dishwasher (1), which applies a downward component to the outflowing air. Dishwasher (1) according to one of Claims 1 until 10 , characterized in that the air outlet (14) is arranged on the front side (V) of the dishwasher (1) facing a user and blows out the air with a component to the front (V). Dishwasher (1) according to one of Claims 10 or 11 , characterized in that a wall delimiting the air outlet (14) downwards forms a second air-guiding element and, together with the first air-guiding element (26), forms a blow-out channel of several centimeters in length pointing in the direction of the front side (V). Dishwasher (1) according to one of Claims 1 until 12 , characterized in that at the rear of the air outlet (14) there is a channel which extends across its width and is open at the top and in which partial flows of air can be guided, a front edge of the channel adjoining the essentially horizontally extending air outlet (14) at an angle. Dishwasher (1) after Claim 13 , characterized in that the partial streams are divided out of a common air stream coming from the washing compartment (2) in an air distributor which feeds into the channel (22) at the rear. Dishwasher (1) according to one of Claims 1 until 14 , characterized in that in a dishwasher with a device width of 60 cm, the air outlet (14) is at least 40 centimeters wide overall. Dishwasher (1) according to one of Claims 1 until 15 , characterized in that the air outlet (14) is designed as a flat slot outlet with a height to width ratio of between 1:20 and 1:200, in particular approximately 1:100. Dishwasher (1) according to one of Claims 1 until 16 , characterized in that the air outlet (14) overlaps a plinth (12) terminating at the front plinth cover (5) and compared to this at least the same distance to the front (V) protrudes.

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