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 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.

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 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.

Dishwasher appliances and method for operating dishwasher appliances are provided. A method includes executing a wet cycle, wherein a heating unit and a fan of a desiccant assembly are active during the wet cycle. The desiccant assembly includes the heating unit, the fan, and a desiccant module and is in fluid communication with a wash chamber of the dishwasher appliance. The method further includes executing a delay period, the delay period occurring for a predetermined time period between the wet cycle and a dry cycle, wherein the heating unit and the fan are active during the delay period. The method further includes draining liquid from the wash chamber after the delay period, and executing a dry cycle, wherein the fan is active and the heating unit is inactive during the dry cycle.

Dishwasher appliances and method for operating dishwasher appliances are provided. A method includes executing a wet cycle, wherein a heating unit and a fan of a desiccant assembly are active during the wet cycle. The desiccant assembly includes the heating unit, the fan, and a desiccant module and is in fluid communication with a wash chamber of the dishwasher appliance. The method further includes executing a delay period, the delay period occurring for a predetermined time period between the wet cycle and a dry cycle, wherein the heating unit and the fan are active during the delay period. The method further includes draining liquid from the wash chamber after the delay period, and executing a dry cycle, wherein the fan is active and the heating unit is inactive during the dry cycle.

Dishwasher appliances and method for operating dishwasher appliances are provided. A method includes executing a wet cycle, wherein a heating unit and a fan of a desiccant assembly are active during the wet cycle. The desiccant assembly includes the heating unit, the fan, and a desiccant module and is in fluid communication with a wash chamber of the dishwasher appliance. The method further includes executing a delay period, the delay period occurring for a predetermined time period between the wet cycle and a dry cycle, wherein the heating unit and the fan are inactive during the delay period. The method further includes draining liquid from the wash chamber after the delay period, and executing a dry cycle, wherein the fan is active and the heating unit is inactive during the dry cycle.

The present invention relates to a dishwasher configured to perform a separate storage mode and a single drying course including only a single drying step by using a sorption drying device to meet a user's need to perform only an step of quickly drying dishes and the user's need to store dishes in a clean state for a long period of time, thereby significantly improving user convenience.

A dishwasher includes a housing having walls defining a tub having an outlet and inlet for humid air to flow out from and into the tub, respectively. A drying system contacts at least one wall of the tub. The drying system includes an inlet conduit fluidly connected to the outlet and an outlet conduit fluidly connected to the inlet with the inlet conduit and the outlet conduit forming an inverted V-shaped air circuit defining an airflow path therethrough. The drying system also includes at least one adsorbent component having an adsorbent material positioned along the airflow path, and at least one gate check valve blocking airflow from the tub to the adsorbent material during a wash cycle. The adsorbent material is regenerated via heat transfer through the at least one wall from the tub during a wash cycle when the gate check valve is closed.