HYDRAULIC CONTROL DEVICE

WIPO Patent Application WO/2018/168970

A1

A hydraulic control device (70B) comprising: a first oil passage (L1) which is connected to a mechanical pump (24), and which comprises a first check valve (77) midway therealong; a second oil passage (L2) which is connected to an electric pump (28), and which is connected with the side of the first oil passage (L1) downstream of the first check valve (77); a third oil passage (L3) which branches from the second oil passage (L2); a regulator valve (71) which is connected to the first oil passage (L1) between the mechanical pump (24) and the first check valve (77); and a switch valve (80) that forms a first state in which the supply of oil, which has been supplied from the electric pump (28) to the third oil passage (L3), to a low-pressure oil supply unit of a transmission is permitted, and a second state in which the supply of oil, which has been supplied from the electric pump (28) to the third oil passage (L3), to the low-pressure oil supply unit is restricted.

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KUTSUBO HIROYUKI (JP)
KOROGI REISHI (JP)
UMEMOTO YUICHIROU (JP)
OKAMOTO TOMONARI (JP)
YANAGIHARA KAZUKI (JP)
KOJIMA KAZUKI (JP)
HYODO YOSHIMITSU (JP)
TSUCHIDA KENICHI (JP)
ISHIKAWA TOMOMI (JP)

PCT/JP2018/010088

September 20, 2018

March 14, 2018

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AISIN AW CO (JP)

F16H61/00; F16D25/0638; F16H63/50

JP2015197148A	2015-11-09
JP2005090659A	2005-04-07
JP2016056872A	2016-04-21
JP2016148365A	2016-08-18

ITEC INTERNATIONAL PATENT FIRM (JP)

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