A device for the dehumidification of air in a processing space of a dishwasher is connected in an air-conducting manner to the processing space of the electric appliance. The device includes carbon-based fibres, which are designed as a fibre unit. The fibre unit is arranged between the processing space or an air duct connected thereto and at least one dehumidification chamber of the device. The carbon-based fibres absorb moisture from the air of the processing space, which they then release again in the dehumidification chamber. During this process, the carbon-based fibres are moved backwards and forwards between the processing space or air duct and the dehumidification chamber, preferably by slow rotation on a support.

A dishwasher includes a regeneration heater and a washing water heater that are controlled to operate simultaneously so that an operation period of the regeneration heater and an operation period of the washing water heater at least partially overlap each other, thereby heating the washing water and regenerating a moisture absorbent effectively and in a short time even in a washing course with a short washing cycle time.

A dishwasher has a first predetermined separation space defined between a heater housing and a main housing, to provide a heat insulation air layer for a heater and a heater housing, thereby minimizing a release of heat of the heater to the outside of the main housing and ensuring improvement in energy efficiency.

A dishwashing appliance may include a cabinet, a tub, a pump, a spray assembly, a fluid recirculation duct a sorption segment, and an electric heating assembly. The tub may be housed within the cabinet and define a wash chamber. The spray assembly may be housed within the wash chamber of the tub in fluid communication with the pump. The fluid recirculation duct may define a duct path extending from a path inlet to a path outlet to recirculate air. The sorption segment may be disposed along the duct path and include a reversibly dehydratable material. The electric heating assembly may be disposed outside of the wash chamber in thermal communication with the sorption segment to selectively heat the sorption segment.

A dishwasher includes a sorption drying device in which a heater is disposed in a linear air flow path extending in a downward inclination angle, at least a portion of air that has passed through the linear air flow path collides with a bottom surface of a moisture absorbent receiving portion and thus is introduced to a lower side of the moisture absorbent, so that a separate means for flow distribution is omitted, and heated air through the heater is evenly introduced to the moisture absorbent at a minimized flow resistance.

A box-type dishwasher (1) has a treatment chamber (2), a wash system and a drying device (50). The drying device (50) has a sorption unit (51), having a reversibly dehydratable drying material (52), and at least one fan (53) for forming an air circuit, such that an air stream is directed through the sorption unit (51) and then supplied to the treatment chamber (2) again. The sorption unit (51) has a housing (54), which encloses at least some of the drying material (52) and has at least one outer wall (55). A device (56) is designed so that the air stream is divided up into a first air sub-stream (57a), at least some of which is directed through the drying material (52), and a second air sub-stream (57b), which is not directed through the drying material (52) and is used for thermally insulating or cooling the sorption unit (51).

In a method for operating a dishwasher, a desorption process of a reversibly dehydratable dry material of a sorption-drying system is initiated at least at times. A parameter that influences the desorption process is hereby evaluated for determining an instant for performing the desorption process.

A dishwasher, in particular a domestic dishwasher, including a washing compartment, at least one washing basket disposed in the washing compartment to hold items for washing, and a door configured to close the washing compartment. The door has a planar surface to form an inner face of the door as a whole or a part thereof. When the door is closed, a guide structure including a plurality of individual guide elements projects in a raised manner from the planar surface into an interior of the washing compartment and is disposed so as to guide a drying fluid flowing along the inner face of the door onto the items in the washing compartment, when the dishwasher is in drying mode.

A method is provided for operating a dishwasher (1) in the form of a batch dishwasher, which has a treatment chamber (2) for accommodating washware to be cleaned. Provision is made, during an adsorption phase, for air to be conducted out of the treatment chamber (2) through a sorption unit (41), which contains a reversibly dehydratable dry material, in such a way that the dry material absorbs moisture from the air stream, wherein the air is then returned to the treatment chamber (2). Provision is further made, during a desorption phase, for the dry material of the sorption unit (41) to be heated in such a way that moisture is desorbed from the dry material as steam. During the desorption phase, the sorption unit (41) is subjected to forced ventilation only to such an extent that recondensation of desorbed steam in the sorption unit (41) itself is effectively prevented.

A dishwasher drying system includes an air inlet configured to receive hot, humid air from a tub of a dishwasher. The dishwasher drying system also includes an air outlet configured to discharge the air to an ambient environment outside the dishwasher. The dishwasher drying system further includes an air moving device configured to cause the air to move from the air inlet to the air outlet. In addition, the dishwasher drying system includes a thermal storage heat exchanger positioned within an airflow path of the moving air, the thermal storage heat exchanger configured to absorb heat and condense moisture from the moving air as the moving air contacts the thermal storage heat exchanger during a dishwasher drying cycle.