| 摘要 |
PROBLEM TO BE SOLVED: To suppress load of force in the direction of axial length to a shaft regarding an electric oil pump. SOLUTION: The oil pump 10 is provided with a pump housing 11 equipped with a suction port 16, a discharge port 17 of oil and a bearing port 18, and one end 31b side is equipped with an inner rotor 19 which extends in the pump housing 11 and forcibly feeds the oil by rotating in the pump housing 11, and another end 31a side is equipped with a shaft 31 which extends outside the pump housing 11 through the bearing port 18 and connected to a motor 30. The pump housing 11 is equipped with a recessed part 21 opposing to the one end 31b and a communicating groove 22 communicating a recessed part 21 and the suction port 16. COPYRIGHT: (C)2004,JPO
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