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:
May. 06, 2025
Filed:
Dec. 14, 2023
Pratt & Whitney Canada Corp., Longueuil, CA;
Jeremie Barberger, Montreal, CA;
Vincent Savaria, Laval, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A housing assembly for a rotary engine, has: a rotor housing having a peripheral inner face, a first face and a second face; a first side defining a first inner side face; and a second side housing defining a second inner side face, the rotor cavity bounded between the first side housing and the second side housing, one or more of the rotor housing, the first side housing, and the second side housing having: a main body made of a base material; and an external layer made of an external material, the base material and the external material being dissimilar to one another, a wear-resistance of the external material greater than that of the base material, the external layer defining at least a part of one or more of the first face, the second face, the peripheral inner face, the first inner side face, and the second inner side face.