Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/131461
Kind Code:
A1
Abstract:
Provided is a power transmission device comprising: a variator; a first oil passage; an electric oil pump provided in the first oil passage; a second oil passage; a switch valve provided at a branch point of the first oil passage and the second oil passage; and a third oil passage. The switch valve switches between at least two positions of a first position at which the first oil passage is in a communication state and a second position at which the second oil passage and an SEC pulley oil chamber side of the first oil passage are in a communication state and the third oil passage and a PRI pulley oil chamber side of the first oil passage are in a communication state.
Inventors:
KOTSUJI KOUICHI (JP)
NAKANO TOMOYUKI (JP)
TOYOTA RYOHEY (JP)
NAKANO TOMOYUKI (JP)
TOYOTA RYOHEY (JP)
Application Number:
PCT/JP2018/047108
Publication Date:
July 04, 2019
Filing Date:
December 20, 2018
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
F16H61/00; F16H59/74; F16H61/662
Foreign References:
| JP2010096287A | 2010-04-30 | |||
| JP2010078088A | 2010-04-08 | |||
| JP2010078087A | 2010-04-08 | |||
| JP2007303485A | 2007-11-22 | |||
| JP2002523711A | 2002-07-30 | |||
| JP2000110927A | 2000-04-18 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
Download PDF:
Previous Patent: MODIFIED ETHYLENE-VINYL ALCOHOL COPOLYMER FIBERS
Next Patent: POWER TRANSMISSION DEVICE AND POWER-TRANSMISSION-DEVICE CONTROL METHOD
Next Patent: POWER TRANSMISSION DEVICE AND POWER-TRANSMISSION-DEVICE CONTROL METHOD