A warewash machine for washing wares includes a chamber for receiving wares, the chamber having at least one wash zone with an associated spray system for spraying liquid onto wares passing therethrough, wherein a downstream drying zone includes a blower for blowing air onto wares passing therethrough. The blower includes an ambient intake operatively connected to an ambient air flow path, a machine intake operatively connected to an internal machine air flow path and an exhaust intake operatively connected to a machine exhaust air flow path.

A condensation dryer, in particular a tumble dryer, having a heat exchanger (2). In the heat exchanger (2) moisture, which has been absorbed in a drying chamber (1), is separated from an air circuit (3). The condensation dryer includes a sorption unit (5). The sorption unit (5) is connectable to a liquid reservoir (7). Between the liquid reservoir (7) and the sorption unit (5) a cooling fluid flow (4) can be generated. The cooling fluid flow (4) passes through the heat exchanger (2).

An apparatus for the evacuation of warm, moist air or vapor from a dishwasher cabinet or other washing machine interior. A centrifugal fan draws the hot air and water vapor out of the washing cavity through a flue riser and discharges it into a cooling chamber with one or more cooling spray nozzles. The cooling spray nozzles spray a fine mist of cold water into the stream of heated air and vapor, and may spray at angle to the flow of the stream of heated air and vapor. As the heated air and vapor from the dishwasher and the cooling spray mix, heat is transferred from the heated air and vapor to the cold water or mist being sprayed into the air stream. This reduces the temperature of the vapors and air that was extracted from the dishwasher. As the temperature is reduced, the water vapors condense and form droplets which accumulate on the sides and bottom of the cooling flue. This reduced temperature and moisture air is then discharged to the room at an opening, which may be located slightly above the bottom of the flue cabinet, along with the condensate.

A dishwasher includes a drying system that incorporates a mixing conduit that mixes air streams from an exhaust fan that draws humid air from a wash tub, an inlet fan that supplies ambient air to the wash tub, and a gate device that is movable within a range of positions to regulate fluid flow through at least one of first and second inlets of the mixing conduit. A controller may perform a multi-stage drying operation that, in a first stage, controls the gate device while the inlet fan is deactivated, and in a second stage, additionally controls the speed of the inlet fan while controlling the gate device.

A warewash machine for washing wares includes a chamber for receiving wares, the chamber having at least one wash zone. A waste heat recovery unit is arranged to transfer heat from exhaust air of the machine to incoming water traveling along a water flow path through the waste heat recovery unit to a booster heater of the machine. A refrigerant medium circuit includes at least a first condenser arranged to deliver refrigerant medium heat to the incoming water. A control arrangement monitors subcooled refrigerant medium condition and responsively modifies operation of one or more of: (i) speed of a compressor of the refrigerant medium circuit, (ii) speed of an exhaust fan that causes air flow across the waste heat recovery unit or (iii) speed of a pump that controls incoming water flow along the water flow path.

A method controls a dishwasher including a tub configured to receive objects to be washed, a drying device configured to receive wet air from the tub and to discharge the wet air to an outside of the dishwasher, and a dry air supplier including a heating part and being configured to supply heated air to the tub. The method includes preheating the drying device by introducing dry air from the outside to the drying device before a first preset time from a start point of a drying operation, performing the drying operation at the start point, wherein the wet air is discharged from the tub during the drying operation, and cooling the dry air supplier by stopping operation of the heating part before a second preset time from an end time point of the drying operation.

A household dishwasher includes a dishwasher cavity for processing items to be washed, and an air outlet designed to blow out dishwasher interior air of the dishwasher cavity. The air outlet is arranged in a lower quarter of a height of the household dishwasher and extends as a slot outlet over at least half of a width of the household dishwasher.

A dishwasher includes: a tub, a water storage chamber provided under the tub and configured to store water from inside the tub, a filter disposed in the water storage chamber and configured to filter water flowing into the water storage chamber, a drain pump configured to discharge the water accommodated in the water storage chamber to the outside, and a controller including at least one processor, comprising processing circuitry. The controller may be configured to control the drain pump to discharge the water accommodated in the water storage chamber to the outside based on the lapse of a specified soaking time after completion of a water supply operation or a jet operation.

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.

An adjustment device, an air duct structure, an exhaust system, a dishwasher, and a method for controlling the dishwasher are provided. The adjustment device is applied in an exhaust system. The exhaust system has an exhaust channel with a second air inlet and a first air inlet. The adjustment device includes an adjustment mechanism and a controller. The adjustment mechanism is configured to, under control of the controller, respectively adjust a flow rate of a first gas entering the exhaust channel through the first air inlet and a flow rate of a second gas entering the exhaust channel through the second air inlet, to control a ratio of the first gas entering the exhaust channel to the second gas entering the exhaust channel. Humidity of the second gas is lower than humidity of the first gas.