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:
Nov. 09, 1999
Filed:
Aug. 13, 1998
Applicant:
Inventor:
Stephen D Ehrick, Yorba Linda, CA (US);
Assignee:
Able Corporation, Yorba Linda, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310216 ; 310 58 ; 310 61 ; 310 62 ; 310 63 ; 310 52 ; 310227 ;
Abstract
An electrical machine has a stator, and a rotor defining an axis of rotation, the stator including laminations located along that axis, the laminations having protrusions, the protrusions on each lamination being circularly spaced apart about the axis to define cooling air flow passages, and a fan mounted on the rotor to effect flow of cooling air into and through such passages as the rotor rotates.
Ehrick, Stephen. (1999). Cooling of electrical machinery (U.S. Patent No. 5982071). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5982071
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile