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:
Sep. 15, 2026
Filed:
Feb. 28, 2024
Pratt & Whitney Canada Corp., Longueuil, CA;
Jeremie Barberger, Montreal, CA;
Michel Bousquet, Longueuil, CA;
Etienne Plamondon, Longueuil, CA;
Francois Belleville, Varennes, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
An aircraft power plant, has: a thermal engine having a combustion chamber inside a housing defining a coolant passage, and an oil passage; and a heat management system including: an oil-to-coolant heat exchanger having an oil conduit in fluid communication with the oil passage and a first coolant conduit in heat exchange relationship with the oil conduit and in fluid communication with the coolant passage; and a coolant-to-air heat exchanger having a second coolant conduit in fluid communication with the coolant passage and an air conduit in heat exchange relationship with the second coolant conduit and in fluid communication with an environment outside the aircraft power plant, wherein the coolant passage inlet and the coolant passage outlet of the coolant passage of the housing are fluidly connected to one another via the first coolant conduit of the oil-to-coolant heat exchanger and the second coolant conduit of the coolant-to-air heat exchanger.