The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Sep. 14, 2021
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
Takuma Nomiyama, Tokyo, JP;
Yuki Ito, Tokyo, JP;
Kenji Oura, Tokyo, JP;
Yuki Yasuoka, Tokyo, JP;
Takaaki Yoshizawa, Kanagawa, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Abstract
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