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.

Date of Patent:
Dec. 26, 2017

Filed:

Jan. 27, 2015
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Eugene Gekht, Brossard, CA;

Jean Thomassin, Ste-Julie, CA;

Sebastien Bolduc, Longueuil, CA;

David Gagnon-Martin, Longueuil, CA;

Assignee:

PRATT & WHITNEY CANADA CORP., Longueuil, Quebec, unknown;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/22 (2006.01); F16J 15/54 (2006.01); F01C 19/04 (2006.01); F01C 19/08 (2006.01); F01C 21/08 (2006.01); F01C 19/10 (2006.01);
U.S. Cl.
CPC ...
F01C 1/22 (2013.01); F01C 19/04 (2013.01); F01C 19/08 (2013.01); F01C 19/10 (2013.01); F01C 21/08 (2013.01); F16J 15/545 (2013.01);
Abstract

A rotor for a rotary internal combustion engine with a first face seal biased axially outwardly away from the first end face has opposed curled ends abutting a first end seal of a respective one of the adjacent apex portions, and a second face seal biased axially outwardly away from the second end face has opposed curled ends abutting a second end seal of a respective one of the adjacent apex portions. A rotary internal combustion engine and a method of sealing chambers of a Wankel engine are also discussed.


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