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:
Dec. 28, 2021
Filed:
Feb. 27, 2020
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Louis Brillon, Varennes, CA;
Martin Poulin, Mont Saint-Hilaire, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 17/02 (2006.01); F16H 57/04 (2010.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
F16C 17/02 (2013.01); F16H 57/0479 (2013.01); F05D 2240/54 (2013.01); F16H 2057/085 (2013.01);
Abstract
A journal bearing assembly for rotatably supporting at least one gear, comprising a pin and a journal shaft. The journal shaft includes an inner cavity receiving the pin and an outer surface including a plurality of contact surfaces supporting the at least one gear and at least one annular groove separating adjacent contact surfaces. The pin is configured to support the journal shaft at a support position in the inner cavity.