Title:
ELECTRIC OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2022/085457
Kind Code:
A1
Abstract:
An electric oil pump 1 comprises: a pump unit 2 that causes hydraulic pressure to be generated; a motor unit 3 that drives the pump unit; a substrate 4 in which a control circuit that controls the motor unit 3 is formed by a plurality of electronic components 41; and a housing 5 provided with a pump accommodation unit 53 that accommodates the pump unit, a motor accommodation unit 54 that accommodates the motor unit, and a substrate accommodation unit 55 that accommodates the substrate. The substrate 4 is arranged along the tangential direction of a circle centering on the axis of the motor unit 3. The pump accommodation unit 53, the motor accommodation unit 54, and the substrate accommodation unit 55 are integrally formed.
Inventors:
KITAYAMA NAOTSUGU (JP)
KAWAI MASAHIRO (JP)
MIZUSHIRI KENJI (JP)
KAWAI MASAHIRO (JP)
MIZUSHIRI KENJI (JP)
Application Number:
PCT/JP2021/037041
Publication Date:
April 28, 2022
Filing Date:
October 06, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F04C15/00; F04C2/10; H02K5/22; H02K7/14; H02K11/30
Domestic Patent References:
| WO2012093678A1 | 2012-07-12 | |||
| WO2013105360A1 | 2013-07-18 | |||
| WO2013008266A1 | 2013-01-17 |
Foreign References:
| JP2019112977A | 2019-07-11 | |||
| JP2015105601A | 2015-06-08 | |||
| JP2021143660A | 2021-09-24 | |||
| JP2015105601A | 2015-06-08 | |||
| JP2017184542A | 2017-10-05 | |||
| JP2020195196A | 2020-12-03 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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