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. 11, 2018
Filed:
Nov. 19, 2014
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Alain Carrieres, Boucherville, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 1/08 (2006.01); F01D 25/16 (2006.01); F02C 7/36 (2006.01); F16H 55/17 (2006.01);
U.S. Cl.
CPC ...
F16H 1/08 (2013.01); F01D 25/164 (2013.01); F02C 7/36 (2013.01); F16H 55/17 (2013.01); F05D 2260/4031 (2013.01);
Abstract
A gear comprises gear teeth. An annular web has the gear teeth on an external surface thereof and rotatable about a rotational axis of the gear. The web comprises a wall having at least a first axial surface and a second axial surface on the opposite side of the wall. The web defined by a first web section in which the first axial surface, in an inward direction, inclines away from a radial plane to which the rotational axis is normal, a second web section radially inward of the first web section, and in which the first axial surface, in the inward direction, inclines toward said radial plane.