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:
Dec. 14, 1976
Filed:
Aug. 29, 1975
Applicant:
Inventors:
Jack A Hart, Mount Clemens, MI (US);
James H Wolgemuth, Warren, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123-813 ; 418117 ; 418123 ;
Abstract
A rotary combustion engine having a planetary rotor and side intake ports is provided with an apex seal arrangement comprising two side-by-side seal members providing spaced sealing lines of contact at each rotor apex and wherein communicating grooves in the ends of the two apex seal members and existing corner seals connect the space between the apex seal members to the existing spaces between the side seals and oil seals on the rotor sides which periodically communicate with the side intake ports.