Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.

Kenji Oura

Yuki Ito

Takaaki Yoshizawa

Yuki Yasuoka

Takuma Nomiyama

Provided is a technology that can sufficiently suppress the temperature rise of a rotary electrical machine. A rotary electrical machine includes a main body partincluding a rotator and a stator, and a casing partthat houses the main body part. The casing partincludes a first housing partthat surrounds the main body partfrom a peripheral direction, and a second housing partthat houses a bearing for rotatably supporting a rotating shaft. The casing partis formed with a cooling passage R extending from an inlet Rs for cooling medium to an outlet Re for cooling medium and not branching off in the middle. The cooling passage R includes a first cooling passage portion Rthat passes through the inside of the first housing partand a second cooling passage portion Rthat passes through the inside of the second housing part

Growing community of inventors

Tokyo, Japan

Kenji Oura