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:
Sep. 24, 2002
Filed:
Dec. 20, 2000
Applicant:
Inventors:
Junichiro Sakurai, Aichi-ken, JP;
Masafumi Sakuma, Aichi-ken, JP;
Tetsuo Wakita, Aichi-ken, JP;
Yuki Tojima, Aichi-ken, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Aichi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/00 ; H02K 9/00 ;
U.S. Cl.
CPC ...
H02K 5/00 ; H02K 9/00 ;
Abstract
A frame for an electric motor is provided with a high heat discharge efficiency at low manufacturing cost wherein a plurality of cooling media paths, grooves, groove paths, media paths and communication paths are formed on the frame using a diecast process. A plurality of fins are formed in the grooves and a plurality of cooling media guide members are secured about the periphery of the frame to control the flow of the cooling media.