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:
Oct. 30, 2018
Filed:
Nov. 15, 2016
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Martin Poulin, Mont Saint-Hilaire, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 37/06 (2006.01); F02C 3/113 (2006.01); F02C 7/36 (2006.01); F16H 3/66 (2006.01); F02K 3/06 (2006.01); F02C 6/20 (2006.01); F16H 3/54 (2006.01); F16H 3/58 (2006.01);
U.S. Cl.
CPC ...
F02C 3/113 (2013.01); F02C 6/206 (2013.01); F02C 7/36 (2013.01); F02K 3/06 (2013.01); F16H 3/54 (2013.01); F16H 3/58 (2013.01); F16H 3/66 (2013.01); F16H 3/666 (2013.01); F05D 2260/40311 (2013.01); F16H 2200/0034 (2013.01); F16H 2200/2005 (2013.01); F16H 2200/2035 (2013.01);
Abstract
A gearbox for an aircraft engine including first and second gears in driving engagement through planet gears supported by a carrier. Selective application of a brake and a blocking member permit operation in a speed change configuration and a direct drive configuration.