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. 04, 2003
Filed:
Oct. 20, 2000
Applicant:
Inventor:
Kenneth B. Sugden, Rockford, IL (US);
Assignee:
Hamilton Sundstrand Corporation, Rockford, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16H 4/704 ;
U.S. Cl.
CPC ...
F16H 4/704 ;
Abstract
A transmission for coupling a variable speed engine to a dynamoelectric machine that has three hydraulic units coupled to a mechanical summer, wherein two of the hydraulic units are varied in displacement to control the speed of the third in order to keep the speed of the dynamoelectric machine constant regardless of engine speed.