Title:
ELECTRIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/210242
Kind Code:
A1
Abstract:
The present invention addresses the problem of improving cooling performance of a busbar by using a simple system. The present invention pertains to an electric system comprising: a motor part which has a stator and a rotor, and is cooled by a refrigerant; an inverter unit which supplies power to a coil of the stator; a wiring unit which transmits power, output from the inverter unit, to the motor unit; and piping which supplies the refrigerant to the motor unit, wherein the piping is provided to a location allowing heat exchange with an oil-based medium cooled by the piping.
Inventors:
SAWAHATA MASANORI (JP)
HORI MASAHIRO (JP)
GOTO HIDEAKI (JP)
TOKUYAMA TAKESHI (JP)
HORI MASAHIRO (JP)
GOTO HIDEAKI (JP)
TOKUYAMA TAKESHI (JP)
Application Number:
PCT/JP2021/003170
Publication Date:
October 21, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02K7/116; H02K9/19
Foreign References:
| JP2011234590A | 2011-11-17 | |||
| JP2012191719A | 2012-10-04 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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