Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/053058
Kind Code:
A1
Abstract:
Provided is a rotary electrical machine comprising: a rotor which has a rotor core that is configured by stacking a plurality of electromagnetic steel sheets and a shaft that supports the rotor core; a stator which, on the radially outward side of the rotor, is opposite from the rotor with an air gap therebetween, said air gap being a prescribed space; and a housing which houses the rotor and the stator. The housing forms an air flow path between the rotor and the stator. The shaft has a shaft flow path that is in communication with the air flow path. The rotor has a pump which is connected to the shaft and which is synchronized with rotation of the shaft, and a radial flow path which is in communication with the shaft flow path and the air gap.
Inventors:
GOTO HIDEAKI (JP)
OGANE YUYA (JP)
TOYA AKIHITO (JP)
OGANE YUYA (JP)
TOYA AKIHITO (JP)
Application Number:
PCT/JP2022/033753
Publication Date:
March 14, 2024
Filing Date:
September 08, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02K9/08; H02K9/19
Foreign References:
| JPH1118367A | 1999-01-22 | |||
| JP2016096612A | 2016-05-26 | |||
| JPS5644362A | 1981-04-23 | |||
| JP2009022145A | 2009-01-29 |
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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