Abstract: A simple and cost-effective method is provided, according to which a positive temperature component (PTC) element directly controls the element made of a shape memory alloy. A simple and cost effective device for performing the method has a PTC element series-connected upstream from the element made of a shape memory alloy, in the electric circuit for the element made of a shape memory alloy.

Abstract: A dishwasher includes at least one substantially closed water circuit in which rinsing liquid is circulated according to a program control unit, the rinsing liquid being conveyed through a filter element while circulating in order to filter out dirt. Another water circuit is provided through which the rinsing liquid is circulated according to the program control unit when the filter element is covered with dirt in order to cause the filter element to be cleaned.

Abstract: A dishwashing machine equipped with a washing compartment and with devices for washing dishes using a washing solution also includes a sorption drying device which is connected to the washing compartment in an air-conducting manner and which comprises a sorption column containing reversibly dehydratable material, this sorption column being used for drying the dishes. To this end, the sorption drying device comprises a sensor that, during the executing of a washing program, serves to detect the state of the reversibly dehydratable material in order to influence the execution of the washing program according to the detected state.

Abstract: A method is provided for operating a dishwasher with at least one partial program step that includes heating a rinsing solution to a nominal temperature. Air that is heated by a heating device and used for desorption of a reversibly dehydratable material is conducted from a washing container of the dishwasher or ambient air is conducted through a sorption column with reversibly dehydratable material into the washing container in order to heat the rinsing solution and/or items to be washed. The heating device continues to operate after the desorbed state of the reversibly dehydratable material has been attained until the nominal temperature of the rinsing solution is reached.

Abstract: A dishwasher comprising at least one partial program step “drying” in which air from a washing container of the dishwasher and/or ambient air is directed through a sorption column with reversibly dehydratable material into the washing container by a fan, and humidity is removed from the air when the same is directed therethrough. The fan is operated at different rotational speeds in accordance with a main controller of the dishwasher in order to influence the adsorption process.

Abstract: A valve system includes a valve body arranged in a valve housing and actuatable via a shape-memory element that is movable from an undeformed rest state to a tension deformed state and is again transferred to the rest state. The valve system is improved by a force deflecting device that enables the shape-memory element to actuate the valve body exclusively during the transfer thereof to the tension or rest state.

Abstract: A device is provided for filtering particles from a dishwashing fluid in a dishwashing machine, the dishwashing machine having a dishwashing container in which are disposed items to be subjected to the application of a dishwashing liquid thereto such that particles disentrained from the items during the application of a dishwashing liquid are entrained with the dishwashing liquid. The device includes a container operable to retain therein a predetermined quantity of a liquid mixed with at least one of a foam-forming substance and cleaning agents, the container including an arrangement for producing a flow of a gaseous fluid through the predetermined quantity of the liquid so as to generate a foam layer. The foam layer filters out from a dishwashing liquid passed through the foam layer a substantial fraction of particles entrained with the dishwashing liquid and such filtered-out particles are retained in the foam layer.

Abstract: A dish washing machine includes a washing tub with a spraying device in the tub fitted with spraying openings supplied with washing liquid from a pump coupled thereto for spraying the washing liquid into the tub. The dishwashing machine includes a control element actuatable for switching on the pump and supplying the washing liquid when the tub is open and accessible. The dishwashing machine also includes a sensor for detecting the tub open position and for triggering throttling of the flow rate of the washing liquid through the spraying openings to reduce the flow rate when the tub is accessible.

Abstract: A dishwashing machine is provided with a washing compartment, an ozone generator, and devices for washing items to be washed using a washing solution, as well as with a storage device that is connected to the washing compartment in an air-conducting manner. The storage device serves, on the one hand, to store ozone and/or hydroxyl radicals as they form or are produced and, on the other hand, to release ozone and/or hydroxyl radicals during a partial program step drying and/or a non-operating phase of the dishwashing machine whereby effecting a deodorizing.

Abstract: A dishwasher includes a washing container, devices for washing dishes by means of rinsing liquor, and a sorption drying device which is connected in an air-conducting manner to the washing container via an outlet of the washing container and an inlet of the washing container. The sorption drying device is provided with a sorption column encompassing reversibly dehydratable material and is disposed between a wall of the washing container and an exterior housing wall of the dishwasher.

Abstract: A dishwashing machine is provided having a washing compartment and devices for washing crockery using a washing solution as well as with a sorption drying device, which is connected to the washing compartment in an air-conducting manner and which comprises a heater as well as a sorption column containing reversibly dehydratable material. The sorption drying device is placed inside a housing having an air inlet and an air outlet, and the heater is placed in the immediate vicinity of the air inlet of the sorption drying device.

Abstract: A dishwashing machine is provided with a washing compartment and with devices for washing dishes using a washing solution as well as with a sorption drying device, which is connected to the washing compartment in an air-conducting manner via an outlet of the washing compartment and via an inlet of the washing compartment and which comprises a sorption column containing reversibly dehydratable material, the outlet of the washing compartment being connected to the sorption drying device via an air duct. In order to obtain an optimized sorption drying device, the air duct is provided, at least in part, in the form of a condensing surface.

Abstract: A dishwasher is provided having a dishwashing container and a filter system for cleaning dishwashing liquid. The filter system includes a foam volume and the filter system and the dishwashing container are communicated with one another such that at least some of the dishwashing liquid can be discharged from the dishwashing container in association with a washing cycle of the dishwashing machine to the foam volume for passage of the discharged dishwashing liquid through the foam volume. Dishwashing residue contained in the dishwashing liquid is at least partially absorbed or retained by the foam volume such that the fine-grained dirt particles can be filtered out of the dishwashing fluid, a resoiling of the dishwashing fluid or the items to be cleaned can be minimized and the dishwashing result can be improved.

Abstract: A dishwasher is provided with a storage container for rinsing water, the dishwasher being particularly simple and economical to produce, whereby the space loss in the dishwasher is kept very low. The storage reservoir is a flexible film bag, which may be matched in volume to the volume of the liquid.

Abstract: A dish washing machine configured to consume the smallest possible amount of water has a device for storing the washing liquid, in which at least one storage reservoir is provided that is made of a flexible material for holding at least a portion of the washing liquid located inside the dish washing machine. The dish washing machine offers the possibility of removing, at any time during the washing program, at least a portion of the washing bath from the washing circuit, of storing it in the storage reservoir and, when needed, of supplying it once again to the washing circuit. Thus, for example, after completing the last clear rinsing cycle, the washing bath is at least partially retained in the storage reservoir until use of the bath in a subsequent washing cycle, whereby by and large reducing the consumption of water of the dish washing machine.

Abstract: A drying apparatus that allows the wet washed dishes located in the washing container to be dried quickly from an economic and hygienic point of view is provided. The drying apparatus for drying washed dishes is disposed inside a dishwasher and circulates exclusively the air located in a washing container of the dishwasher. The drying apparatus is provided with a suction port for introducing the air from the washing container into the drying apparatus, a blow-out port for discharging the air from the drying apparatus into the washing container, a conveying section between the suction port and the blow-out port, and a fan for conveying the air from the suction port to the blow-out port via the conveying section with the conveying section having a condensing section with at least one wall operable as a condensing surface upon which the humidity contained in the air condenses.

Abstract: A device for checking the concentration of clear rinsing agent in a rinsing liquid circulated in the means for retaining water of a household appliance is provided. The device includes a processing unit operatively connectable to a sensor having at least one transmitting element that emits an optical signal and at least one receiving element that receives the optical signal emitted by the transmitting element. The processing unit determines the wetting of the sensor with clear rinsing liquid and renders an estimate of the concentration of clear rinsing agent in the clear rinsing liquid as a function of the wetting of the sensor with clear rinsing liquid based upon the energy level emitted by the transmitting element and received by the receiving element.

Abstract: A dishwasher is provided that allows oxygenating gases, especially ozone, to be effectively used at least for cleaning and disinfecting. An oxygenating gas is added to the rinsing liquor or the crude water and/or the washing container for use in a partial program cycle having a cleaning effect, e.g. the “cleaning” cycle, in order to be able to use the gas at least for cleaning and disinfecting.

Abstract: In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an interior and housing a motor and an impeller, a heater for heating dishwashing liquid includes a heating device disposed on the pump housing in heat-conducting contact with the interior of the pump housing.

Abstract: A dishwasher is provided having a washing container for retaining therein objects to be washed by the dishwasher and a system for drying objects to be washed, making it possible to efficiently dry the wet objects to be washed while taking into account economic considerations. The system for drying objects to be washed includes a heat generator for heating at least part of the air present in the dishwasher and a humidity sensor that detects the humidity of at least part of the air present in the dishwasher. The inventive dishwasher offers the advantage that only the amount of energy that is actually required for optimal drying is supplied in the form of heat energy for drying, whereby energy is saved, and a particularly gentler drying process can be carried out, whereby the influences of stress upon the objects to be washed are reduced.