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:
Jul. 09, 2019
Filed:
Oct. 14, 2011
Eugene Gekht, Brossard, CA;
Jean Thomassin, Ste-Julie, CA;
Sebastien Bolduc, Longueull, CA;
David Gagnon-martin, Longueull, CA;
Eugene Gekht, Brossard, CA;
Jean Thomassin, Ste-Julie, CA;
Sebastien Bolduc, Longueull, CA;
David Gagnon-Martin, Longueull, CA;
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Abstract
In one aspect, described is a rotor for a Wankel engine comprising two circumferentially spaced apart apex seals at each of the apex portions with each apex seal protruding axially from both end faces, and each apex seal having a first biasing member biasing the apex seal radially outwardly away from the peripheral face of the body, and a second biasing member biasing the apex seal axially outwardly away from a respective one of the end faces, the two apex seals of a same one of the apex portions being biased by the respective second biasing member in opposite axial directions from one another.