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:
Jan. 06, 1976
Filed:
Jul. 16, 1974
Applicant:
Inventor:
Jack A Hart, Mount Clemens, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ; F04C / ;
U.S. Cl.
CPC ...
418113 ; 418142 ;
Abstract
A multi-apex rotary combustion engine rotor has simplified side face circular compression seals mounted in circular grooves passing across the face of corner button seals. The button seals are of a substantially enlarged diameter permitting machining of the circular seal grooves in the rotor side face.