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:
Jan. 14, 2025
Filed:
May. 31, 2023
Pratt & Whitney Canada Corp., Longueuil, CA;
Stephane Berube, St-Philippe, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A housing assembly for a rotary engine, has: a rotor housing having an inner face facing a rotor cavity, a first side and a second side opposite to the first side; a first side housing secured to the first side, and a second side housing secured to the second side, the rotor cavity bounded axially between the first side housing and the second side housing; and a seal received within a groove at an interface between the rotor housing and the first side housing, the groove located outwardly of the inner face and overlapping a peripheral section of the first side housing, the seal having: an elastomeric member compressed between the peripheral section and the rotor housing; and a metallic member disposed inwardly of the elastomeric member, the metallic member in contact with both of the peripheral section of the first side housing and the rotor housing.