Title:
HYDRAULIC PRESSURE SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/131677
Kind Code:
A1
Abstract:
A hydraulic pressure supply device equipped with: a first oil pump that is operated by a travel drive source of a vehicle; a second oil pump that is operated by a motor different from the travel drive source, and that switches between operating and stopping, in accordance with the travel status of the vehicle; a pressure adjustment circuit that adjusts the hydraulic pressure generated by the first oil pump and the second oil pump and supplies the hydraulic pressure to an oil chamber; an oil passage connecting the second oil pump to an oil source; and a check valve provided in the oil passage.
Inventors:
SUGANO TOMOKO (JP)
KAWASUMI TAKUROU (JP)
OTAKI TOMOYA (JP)
KAWASUMI TAKUROU (JP)
OTAKI TOMOYA (JP)
Application Number:
PCT/JP2020/045701
Publication Date:
July 01, 2021
Filing Date:
December 08, 2020
Export Citation:
Assignee:
JATCO LTD (JP)
NISSAN MOTOR (JP)
NISSAN MOTOR (JP)
International Classes:
F16K15/06; F16H61/00
Foreign References:
| JP2019215028A | 2019-12-19 | |||
| JP2001227606A | 2001-08-24 | |||
| US20030040391A1 | 2003-02-27 | |||
| JP2010261508A | 2010-11-18 | |||
| JP2019157773A | 2019-09-19 | |||
| JP2019215027A | 2019-12-19 | |||
| JP2016044738A | 2016-04-04 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
Download PDF:
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