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:
Mar. 03, 1987
Filed:
Dec. 16, 1985
Applicant:
Inventors:
Wayne A Flygare, Rockford, IL (US);
Vallabh V Vaghani, Belvidere, IL (US);
John Readman, Rockford, IL (US);
Assignee:
Sundstrand Corporation, Rockford, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 61 ; 310 53 ; 310 54 ; 310 59 ; 310 65 ;
Abstract
Windage losses in a liquid cooled dynamoelectric machine having a stator 10 including an armature 14, a rotor 20 journalled for rotation about an axis within the armature 14, a pump 50, a sump 56 and a liquid flow path 24 within the rotor 20 are avoided through the use of a first transfer tube 58 connecting the pump 50 and one end 68 of the flow path along with a second transfer tube 92 coaxially surrounding the first transfer tube 58 and connected to the other flow path end 91 and to the sump 56.