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. 10, 2019
Filed:
Sep. 24, 2015
Pratt & Whitney Canada Corp., Longueuil, CA;
Sylvain Lamarre, Boucherville, CA;
Mike Fontaine, Boucherville, CA;
Andre Julien, Ste-Julie, CA;
Michael Gaul, Montreal, CA;
Jean Thomassin, Ste-Julie, CA;
Lazar Mitrovic, Longueuil, CA;
Ilya B. Medvedev, St-Petersburg, RU;
Sergey Usikov, St-Petersburg, RU;
Andrey Zolotov, St-Petersburg, RU;
PRATT & WHITNEY CANADA CORP., Longueuil, QC, CA;
Abstract
An engine assembly including an engine core with at least one internal combustion engine, a first casing, a turbine module including a second casing located outside of the first casing, and a compressor module including a third casing located outside of the first and second casings. The turbine shaft extends into the first casing, is rotationally supported by a bearings all contained within the first casing, and is free of rotational support within the second casing. The first casing may be a gearbox module casing through which the turbine shaft is in driving engagement with the engine shaft. A method of driving a rotatable load of an aircraft, and an engine assembly with a rotary engine core, a gearbox module with a first casing, and a second module including a second casing located outside of the first casing and detachably connected to the first casing are also discussed.