摘要:
An appliance for washing objects in which is employed a pump system for varying the spray velocity of washing fluid dispensed from spray jets affixed at an angle relative to a spray arm. In one embodiment, the pump system includes a pump having a pump motor such as a synchronous motor responsive to a variable frequency, single-phase alternating current input. The pump system also includes a pump motor control circuit configured to vary the frequency and voltage of the input, which in one example effectuates changes in the rotational speed of the pump motor in accordance with one or more operational cycles. The pump motor control circuit incorporates in one example a rectifier and an inverter that permits operation of the appliance when coupled to supply mains.
摘要:
A dishwasher and associated control method are provided wherein a water supply manifold supplies a wash chamber with wash liquid. The supply manifold includes a hot water inlet from an external hot water source and a separate inlet from a storage tank, and is configured to be selectively actuated between the hot water inlet or storage tank inlet. A controller is in communication with the supply manifold and is configured to act on a signal that is indicative of an actual or pre-defined high electricity demand period on a power supply to the hot water source. The controller is configured to generate an output control signal to the supply manifold to cause the manifold to direct substantially only water from the storage tank to the wash chamber during the high electricity demand period.
摘要:
A method of controlling temperature in a compartment of a refrigerator is disclosed. During a normal operation of the refrigerator, the compartment is cooled by a temperature control circuit operated in accordance with a predetermined thermodynamic cycle. The method includes the steps of measuring a variable parameter of the compartment, and comparing the variable parameter with a threshold, and if the variable parameter is greater than the threshold, continuing to operate the temperature control circuit in accordance with the predetermined thermodynamic cycle.
摘要:
A dishwashing apparatus and a methodology are provided for washing dishware using electrolyzed water to provide alkaline and acidic water for wash and rinse cycles. The water used at the beginning of a pre-wash stage is repeatedly used in plural pre-wash cycles and filtered through sediment and oil filtration between pre-wash cycles. Water from a final rinse cycle is saved for use for future pre-wash cycles. The sediment and oil filtration filter are reversely flushed to regenerate the filtration systems.
摘要:
An electrolytic sanitizer is disclosed for use in a dishwasher holding a salt solution, the dishwasher having a water rinse cycle. A spaced anode and cathode are provided in contact with the salt solution in the dishwasher. A source of current provides a voltage across the anode and cathode to generate chlorine from the salt solution, the chlorine being introduced into the water rinse cycle to sanitize objects in the dishwasher. Related dishwasher designs are also disclosed.
摘要:
A dishwasher and associated control method are provided wherein a water supply manifold supplies a wash chamber with wash liquid. The supply manifold includes a hot water inlet from an external hot water source and a separate cold water inlet, and is configured to be selectively actuated between the hot water inlet or cold water inlet. A controller is in communication with the supply manifold and is configured to act on a signal that is indicative of an actual or pre-defined high electricity demand period on a power supply to the hot water source. The controller is configured to generate an output control signal to the supply manifold to cause the manifold to direct substantially only cold water from the outlet to the wash chamber during the high electricity demand period.
摘要:
A wash fluid distribution system for dishwashers includes a spray arm mounted in one of four quadrants of a chamber floor. The spray arms can have lengths that maintain full rotation within their respective quadrant. Spray arms can also have lengths that impinge or overlap into an adjacent quadrant during full rotation of the spray arms. Each spray arm operates with a corresponding, independently controlled wash pump system. Adjacent spray arms can rotate at a same speed in opposing clockwise or counter-clockwise directions. Spray arms can also rotate in different rotation planes. A slanted surface on the chamber floor terminates at a shared particle collection area, which is centered on the chamber floor.
摘要:
A method of controlling temperature in a compartment of a refrigerator is disclosed. During a normal operation of the refrigerator, the compartment is cooled by a temperature control circuit operated in accordance with a predetermined thermodynamic cycle. The method includes the steps of measuring a variable parameter of the compartment, and comparing the variable parameter with a threshold, and if the variable parameter is greater than the threshold, continuing to operate the temperature control circuit in accordance with the predetermined thermodynamic cycle.
摘要:
An appliance such as a dishwasher comprises an upper region and a lower region forming an appliance footprint. Positioned in the upper region is a spray arm assembly and a wash tub forming a wash zone. The wash zone has a low or reduced capacity, thereby holding fewer objects than conventional dishwashers but maintaining the appliance footprint so that the dishwasher fits an appliance opening, e.g., in kitchen cabinetry, that has a standard width dimension and a standard height dimension. In one embodiment, the wash zone has an opening through is received a rack, which supports the objects in the wash zone. The rack is moveable between a first position and a second position, and in one example, the rack is configured to move between the first position and the second position relative to the wash zone and independent of the spray arm assembly.