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:
Nov. 05, 2019
Filed:
Nov. 15, 2016
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Eric Durocher, Vercheres, CA;
Keith Morgan, Westmount, CA;
Lazar Mitrovic, Longueuil, CA;
Jean Dubreuil, Boucherville, CA;
Martin Poulin, Mont Saint-Hilaire, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 3/09 (2006.01); F02C 7/32 (2006.01); F02C 3/10 (2006.01); F02C 3/14 (2006.01); F02C 6/20 (2006.01);
U.S. Cl.
CPC ...
F02C 7/32 (2013.01); F02C 3/10 (2013.01); F02C 3/145 (2013.01); F02C 6/206 (2013.01); Y02T 50/671 (2013.01);
Abstract
A multi-spool gas turbine engine comprises a low pressure (LP) spool and a high pressure (HP) spool independently rotatable about a central axis extending through an accessory gear box (AGB). The LP spool has an LP compressor, which is axially positioned between the HP compressor of the HP spool and the AGB. A tower shaft drivingly connects the HP spool to the AGB.