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:
Mar. 28, 2023
Filed:
Oct. 28, 2019
Pratt & Whitney Canada Corp., Longueuil, CA;
David Gagnon-Martin, Longueuil, CA;
Bruno Villeneuve, Boucherville, CA;
Sebastien Bolduc, St-Bruno-de-Montarville, CA;
Jean-Philippe Simoneau, Saint-Constant, CA;
Jean-Gabriel Gauvreau, Varennes, CA;
Johnny Vinski, Chateauguay, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A rotary internal combustion engine has: a rotor; a housing circumscribing a rotor cavity, the rotor received within the rotor cavity, the housing having a peripheral wall and a side housing assembly secured to the peripheral wall, the side housing assembly having plates located at spaced apart ends of the peripheral wall, the plates defining seal running surfaces in sealing engagement with opposed end faces of the rotor, the plates made of silicon carbide.