| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump suitable for a dishwasher, which accurately sends washing water or drain water to an objective passage, has a simple structure, and reduced in size and cost for high performance. SOLUTION: The pump 101 has a bladed wheel 107 including a blade 105 for forward rotation, which is mounted on a motor 102 for forward/reverse rotation, and a blade 106 for reverse rotation, and disposed at a pump portion 103, has a water inlet 111 and two outlets 131 and 132 to demarcate a flow passage from the water inlet 111 to a first outlet 131 and a second outlet 132 through pump chambers P1 and P2 of the pump portion 103, supplies the washing water 115 sucked from the water inlet 111 from the first outlet 131 to a dish-washing tank 110 when the motor 102 is forwardly rotated, and drains the drain water 116 after washing dishes from the water inlet 111 outside through the second outlet 132 when the motor is reversely rotated. In the pump 101, the first outlet 131 and the second outlet 132 are provided with switch valves 151 and 152 for opening or closing the outlets according to the rotational direction of the motor 102. COPYRIGHT: (C)2007,JPO&INPIT
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