| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump in which air biking is improved without changing a pump structure. SOLUTION: This pump 10 comprises a motor in which a rotor 21 having a magnetic substance 28 on the inner periphery of a stator 22 is disposed rotatably and a pump having a suction port 13 and two discharge ports 14, 15 and in which an impeller 29 having one type of vanes 30 connected to the rotor 21 is disposed. When the rotor 21 is rotated in the normal direction, fluid is discharged from the first discharge port 14, and when the rotor is rotated in the reverse direction, the fluid is discharged from the second discharge port 15. The discharge capacity of the pump in normal rotation is larger than the discharge capacity in reverse rotation. When the pump 10 is reversely rotated, reverse rotating operation is performed after the pump is temporarily rotated in the normal direction. COPYRIGHT: (C)2007,JPO&INPIT
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