Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/066955
Kind Code:
A1
Abstract:
One embodiment of this drive device comprises: a first motor for driving a first wheel; a first housing; a first oil cooler for cooling the oil circulating inside the first housing; a second motor for driving a second wheel; a second housing; a second oil cooler for cooling the oil circulating inside the second housing; an inverter electrically connected to the first motor and the second motor; an inverter case; and a refrigerant flow path through which the refrigerant for cooling the first oil cooler, the second oil cooler, and the inverter flows. The refrigerant flow path includes: an inverter cooling section disposed in the inverter case; one supply flow path for feeding the refrigerant to the inverter cooling section; a first connection flow path for feeding the refrigerant to the first oil cooler from the inverter cooling section; and a second connection flow path for feeding the refrigerant to the second oil cooler from the inverter cooling section.
Inventors:
NAKAMURA KEIGO (JP)
FUJIHARA HISASHI (JP)
FUJIHARA HISASHI (JP)
Application Number:
PCT/JP2019/037134
Publication Date:
April 02, 2020
Filing Date:
September 20, 2019
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
B60K11/02; B60L3/00; H02K9/19
Foreign References:
| JP2015218869A | 2015-12-07 | |||
| JP2013247768A | 2013-12-09 | |||
| JP2011148378A | 2011-08-04 |
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