Aisin Aw Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Mitsuhiro Takeda

Yoshinobu Soga

Mikio Iwase

Takafumi Inagaki

Minoru Todo

Yoshihiro Mizuno

Hiromitsu Nitani

Tetsuya Kohno

Syuji Moriyama

Naoki Okoshi

Kengo Nomura

Koji Ota

Takahiro Torii

Takumi Uchida

A transfer device that includes a case that houses a transfer mechanism; a strainer that suctions oil stored in a lower portion of the case; a valve body that has a hydraulic supply circuit that supplies a hydraulic pressure to the transfer mechanism and a suction oil path that discharges an extra hydraulic pressure that is extra for the hydraulic supply circuit; a first suction inlet that communicates with one of the suction oil path and the strainer and a second suction inlet that communicates with the other of the suction oil path and the strainer, and a balanced vane pump.

Transfer device

In a gear pump, an outer inner wall surface of a suction port which is located on a downstream side in a rotor rotation direction, that is, a first inner wall surface, is located inward of a bottom land between internal teeth of an outer rotor, and the suction port has a shallow portion extended inward from the first inner wall surface on the downstream side in the rotor rotation direction, and a deep portion that is formed so as to be continuous with the shallow portion and that is deeper than the shallow portion. Communication between an inter-tooth chamber and the suction port is cut off with the inter-tooth chamber facing only the shallow portion.

Gear pump including an inner rotor having a plurality of teeth

Growing community of inventors

Toyota, Japan

Mitsuhiro Takeda