TRANSMISSION DEVICE

Japanese Patent JP2016133031

A

PROBLEM TO BE SOLVED: To provide a transmission device capable of suppressing the generation of cavitation in a balanced vane pump.SOLUTION: A transmission device includes: a strainer 4 for sucking oil in a lower part of a case; a valve body 6 which has a hydraulic pressure supply circuit 60 supplying hydraulic pressure to a transmission mechanism 2, and a suction oil path 66 discharging excessive hydraulic pressure P1 of the hydraulic pressure supply circuit 60; and a balanced vane pump 5 which has a main side suction inlet 81 communicated to the suction oil path 66, a sub side suction inlet 82 communicated to the straighter 4, a main side suction port 73 opposite to a downstream side of the main side suction inlet 81, a sub side suction port 75 opposite to a downstream side of the sub side suction inlet 82, a main side discharge port 83 and a sub side discharge port 84, and a communication oil oath 79 disposed on a downstream side of the main side suction port 73 and a downstream side of the sub side suction port 75, and communicating the main side suction port 73 and the sub side suction port 75.SELECTED DRAWING: Figure 4

TAKEDA MITSUHIRO
MIZUNO YOSHIHIRO
KONO TETSUYA
SOGA YOSHINOBU
MORIYAMA SHUJI
NITANI HIROMITSU
INAGAKI TAKAFUMI

JP2015007547A

July 25, 2016

January 19, 2015

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AISIN AW CO
TOYOTA MOTOR CORP

F04C2/344; F04C11/00; F04C14/02; F04C14/26

JP2014126043A	2014-07-07
JPH10306783A	1998-11-17
JP2010014101A	2010-01-21
JPH10266978A	1998-10-06

Kazuo Chikajima

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