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:
Aug. 27, 2019
Filed:
May. 26, 2015
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Tibor Urac, Mississauga, CA;
Karan Anand, Mississauga, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 27/02 (2006.01); F02C 6/08 (2006.01); F02C 7/05 (2006.01); F04D 27/00 (2006.01); F02K 3/075 (2006.01);
U.S. Cl.
CPC ...
F04D 27/0215 (2013.01); F02C 6/08 (2013.01); F02C 7/05 (2013.01); F02K 3/075 (2013.01); F04D 27/009 (2013.01); F04D 27/023 (2013.01); F05D 2240/55 (2013.01); F05D 2260/57 (2013.01); F05D 2260/606 (2013.01); F05D 2260/607 (2013.01);
Abstract
A bleed of valve comprises a ring axially translatable between a retracted position in which the ring is configured to close an annular bleed off opening defined in a converging portion of a radially outer annular wall of a gas turbine engine gaspath and a deployed position in which the ring protrudes into the gaspath to mechanically scoop out incoming air and water/hail particles.