发明名称 Method and apparatus for driving pump motor for refrigerator dispenser
摘要 An improved method and an apparatus for driving a pump motor for a refrigerator dispenser which are capable of feeding-back a water remaining in a discharge hose to a water container of the refrigerator by reversely rotating a pump motor after discharging the water from the water container, for thus preventing the water and the discharge hose from being polluted. The method includes the step of a first step for discharging a water from a water container through a discharge hose by driving a pump motor when a lever switch is turned on, a second step for stopping the operation of the pump motor when the lever switch is turned off and finishing the water discharge, and a third step for feeding back the water remaining in the discharge hose to a water container of the refrigerator after a predetermined time after the second step by reversely rotating the pump motor with respect to the rotation direction of the pump motor in the first step.
申请公布号 US5855120(A) 申请公布日期 1999.01.05
申请号 US19970926896 申请日期 1997.09.10
申请人 LG ELECTRONICS INC. 发明人 KIM, JAE HO
分类号 F25D25/00;B67D1/00;B67D1/10;B67D1/12;B67D7/80;F04B23/00;F25D11/00;F25D23/12;H02P7/00;H02P29/00;(IPC1-7):B67D5/62 主分类号 F25D25/00
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