A method for controlling a dish washer includes: supplying washing water to a water storage unit; delivering washing water from the water storage unit to the washing tank; heating washing water in the sump by a first heat exchanger disposed in the sump; injecting heated washing water through an injection arm; recovering heat from heated washing water by the first heat exchanger and transferring heat to a second heat exchanger disposed in the water storage unit after completion of washing; and discharging washing water cooled by the first heat exchanger from the sump to an outside. The dish washer includes a heat pump system including the first heat exchanger, the second heat exchanger, an expansion apparatus, that expands refrigerant received from the first heat exchanger or the second heat exchanger, a compressor that compresses and circulates refrigerant received from the first heat exchanger or the second heat exchanger.

A heating pump includes a driving electric motor; a pump case, wherein a pump cavity and a heating cavity are defined in the pump case, the pump cavity and the heating cavity are roughly arranged side by side in an axial direction and are in communication by means of a communication channel, and a water inlet and a water outlet are formed in the pump case; an impeller arranged in the pump cavity; and a heating member arranged in the heating cavity. Therefore, not only is the size of the heating pump favorably reduced, the impeller may also be prevented from being radiated at a temperature by the heating member, such that the premature aging of the impeller may be prevented, and thus, the usage performance of the heating pump may be improved.

A method for controlling operation of a household appliance may include supplying a liquid to a first space, determining a first behavior(TB1) of temperature measured by a first temperature sensor during supplying of the liquid to the first space, supplying the liquid to a second space by activating a pump in order to transport the liquid from the first space to the second space, determining a second behavior (TB2) of temperature measured by a second temperature sensor during supplying of the liquid to the second space, and determining if a sufficient amount of the liquid has been supplied to the second space or not based on the second behavior (TB2) evaluated with respect to the first behavior (TB1). A household appliance may also be provided.

A tubular spray element for a dishwasher is rotatably supported and/or supplied with fluid at an intermediate location along the length of the tubular spray element, such that least one aperture that directs fluid into a wash tub is disposed on each side of the intermediate location. In addition, a tubular spray element drive may be positioned externally from the wash tub and mechanically coupled to the tubular spray element through a shaft seal such that the fluid supply to the tubular spray element can be entirely within the wash tub.

The present disclosure relates to a pump for transmitting washing water and generating steam and a dishwasher including the pump. The pump includes a housing; a washing water inlet pipe coupled to the housing to receive washing water; a washing water outlet pipe coupled to the housing to discharge the washing water; an impeller disposed in the housing to discharge the washing water from the washing water inlet pipe to the washing water outlet pipe; a heater coupled to the housing to heat the washing water in the housing and generate steam; a steam discharge pipe to discharge the steam generated by the heater; and a selector valve coupled to the steam discharge pipe to block the discharge of the washing water and allow the steam to be discharged, thereby preventing the discharge of washing water through the steam discharge pipe.

A method of washing induction cookware having a cookware content, using induction heating and a water jet, and comprising a washing process having the steps of: heating the cookware during a washing cycle; washing the cookware in the washing cycle with a cold-water jet; drying the cookware after the washing cycle; heat sanitization of the cookware; and steam sanitization of the cookware, whereby the washing process is analyzed by a vision system, the washing process is controlled and adjusted by a controller having parameters varying between each of the cookware content; whereby the parameters are derived from an interfaced cooking apparatus and from a manual input and whereby the vision system serves to regulate a water pressure, a water flow, a heating temperature, and time durations between each of the cookware content, with each of the cookware content having a cooking base, a food contact surface, recipe ingredients cooked, a cooking temperature, and a cooking duration.

Provided are a flow guiding element, a heat collecting pump, and a dishwasher. The flow guiding element includes an annular portion and flow guiding pieces. The flow guiding pieces is connected to a periphery of the annular portion, and arranged in a circumferential direction of the annular portion. Each of the flow guiding pieces spirals upwards in the circumferential direction of the annular portion.

An article washing device for countertop cleaning of nursing bottles includes a plurality of walls, which are engaged to and positioned in a housing to define a refill reservoir for holding water, a wash compartment, a drain basin positioned under and in fluidic communication with the wash compartment, a heated compartment, and a chamber within the heated compartment. A tray is selectively insertable through a slot in the housing so that the tray is in fluidic communication with the chamber. The tray holds detergent selectively delivers an effective amount of the detergent to the chamber to generate a cleaning solution. A plurality of spray arms is positioned in the wash compartment. An article is positionable over a respective spray arm. A heater selectively heats the cleaning solution and a pump selectively pumps the cleaning solution and water through the respective spray arm to clean and to rinse the article, respectively.

A method for controlling a dishwasher includes: supplying washing water to a sump; rotating an impeller disposed in a washing pump by a washing motor so that the washing water flows into the washing pump from the sump; operating a heater disposed in the washing pump so as to heat the washing water existing in the washing pump and generate steam to supply to a steam nozzle; and supplying the washing water or steam in the washing pump to the steam nozzle by rotating the impeller at a second set rotational speed lower than a first set rotational speed by the washing motor. The method further includes closing a selector valve, configured to open and close a path between the washing pump and the steam nozzle, when the impeller rotates at the first set rotational speed or higher.

The present invention is a washing apparatus for induction suitable cookware and also involves the method of washing. The apparatus can be incorporated in restaurants, operated manually or incorporated in automatic cooking systems. The apparatus comprises of an induction heating unit, a replaceable water nozzle, a sink, an induction element, a ceramic glass, a pump, an electric motor, a controller, a manual HMI and a vision system.