Title:
ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/181284
Kind Code:
A1
Abstract:
[Problem] To provide a motor that can preferably cool a stator and a rotor while suppressing reduction in efficiency of the rotation of the rotor, caused by oil stored in an accommodation space 3y of a housing 3. [Solution] The housing 3 is provided with: a main flow path 3b for receiving oil discharged from an electric oil pump. A motor is provided with a downstream path (inside of a rubber tube 60) for allowing refrigerant to flow on the downstream side of the main flow path 3b. The housing 3 is provided with: an oil storage part 3a that is connected to the accommodation space 3y and that is for storing oil on the radially outside of the accommodation space 3y; a branching hole that branches from the main flow path 3b; and an auxiliary discharge hole that discharges oil toward the stator in the accommodation space 3y at a position closer to the oil storage part than a front-side discharge hole provided to the main flow path 3b. One end side of the downstream path is connected to the branching hole, and the other end side of the downstream path is connected to the auxiliary discharge hole.
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Inventors:
TAKAHASHI YOHEI (JP)
OISHI TAKAHIKO (JP)
OISHI TAKAHIKO (JP)
Application Number:
PCT/JP2022/004252
Publication Date:
September 01, 2022
Filing Date:
February 03, 2022
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD (JP)
International Classes:
H02K9/19
Foreign References:
| JP2006006047A | 2006-01-05 | |||
| JP2020137405A | 2020-08-31 | |||
| JP2020078977A | 2020-05-28 |
Attorney, Agent or Firm:
TAKAOKA Ryoichi et al. (JP)
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