Title:
OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2017/213035
Kind Code:
A1
Abstract:
Provided is an oil pump configured so that a drive shaft can smoothly rotate, the drive shaft extending through and connecting to a pump rotor and being driven by an electric motor. The drive shaft is provided with: a support shaft section which is rotatably supported by the bearing hole section of a pump housing; and a rotor fitting section fitting to the pump rotor. An oil flow path through which oil is permitted to flow in the direction along the axis of the drive shaft is provided between the rotor fitting section and the pump rotor. The pump housing is provided with a supply flow path for supplying pressurized oil, which is supplied from a pump section, to the bearing hole section.
Inventors:
KATO HIROSHI (JP)
Application Number:
PCT/JP2017/020564
Publication Date:
December 14, 2017
Filing Date:
June 02, 2017
Export Citation:
Assignee:
AISIN SEIKI (JP)
International Classes:
F04C15/00; F04C2/10
Foreign References:
JP2002339880A | 2002-11-27 | |||
JP2015052281A | 2015-03-19 | |||
JPH0634180U | 1994-05-06 | |||
JPS59150992U | 1984-10-09 | |||
JPS5627685B2 | 1981-06-26 |
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
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