HAROLD W SEMAR
Engineers in Los Altos, CA
License number
Pennsylvania PE006700E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Los Altos, CA 94022
Pennsylvania
Pennsylvania
Professional information
Reversing Apparatus
US Patent:
4245520, Jan 20, 1981
Filed:
Nov 21, 1977
Appl. No.:
5/853369
Inventors:
Harold W. Semar - Los Altos CA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
F16H 314
US Classification:
74377
Abstract:
A gear train including an internal gear is combined with a forced synchronized clutch and a hydraulic coupling to form a reversing apparatus for ship propellers.