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:
Jun. 17, 2014
Filed:
Aug. 27, 2009
Patrick Thivierge, St-Basile-Le-Grand, CA;
Mélanie Papillon, Carignan, CA;
Pierre Gauvin, St-Bruno, CA;
Patrick Arkinson, Chambly, CA;
Robert Scandella, Iles Bizard, CA;
Tom Haslam-jones, Brossard, CA;
Ritchie Domingo, Markham, CA;
Patrick Thivierge, St-Basile-Le-Grand, CA;
Mélanie Papillon, Carignan, CA;
Pierre Gauvin, St-Bruno, CA;
Patrick Arkinson, Chambly, CA;
Robert Scandella, Iles Bizard, CA;
Tom Haslam-Jones, Brossard, CA;
Ritchie Domingo, Markham, CA;
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Abstract
A lubrication system for a gas turbine engine including at least one porous element located in a cavity containing at least one rotating component receiving a flow of the lubricant, the porous element being located across a path taken by a portion of the lubricant expelled from the at least one respective rotating component such that the portion of the lubricant circulates therethrough, the at least one porous element being made of a material resistant to a temperature of the lubricant, the at least one porous element reducing a velocity of the portion of the lubricant circulating therethrough.