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.

Date of Patent:
Jan. 26, 2021

Filed:

Mar. 14, 2018
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Paul Weaver, Chateauguay, CA;

Scott Smith, St-Lambert, CA;

Mark Huzzard Cunningham, Montreal, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 29/08 (2006.01); B64D 27/14 (2006.01); B64D 33/04 (2006.01); B64D 33/02 (2006.01); B64D 29/06 (2006.01); F02C 7/04 (2006.01); F02C 7/14 (2006.01);
U.S. Cl.
CPC ...
B64D 29/08 (2013.01); B64D 27/14 (2013.01); B64D 29/06 (2013.01); B64D 33/02 (2013.01); B64D 33/04 (2013.01); F02C 7/04 (2013.01); F02C 7/14 (2013.01); B64D 2033/0253 (2013.01); F05D 2220/329 (2013.01); F05D 2240/12 (2013.01); F05D 2240/14 (2013.01); F05D 2260/606 (2013.01);
Abstract

The aircraft can have an aircraft engine and a cowl, the engine having an engine part disposed within the cowl, the cowl having a cowl section movable relative to a remainder of the cowl, the engine further having a gas path duct internal to the cowl with a first portion and a cooperating second portion, the second portion mounted to the cowl section, the cowl section moveable between a first position in which the first portion and the second portion are in fluid flow communication with one another and a second position in which the cowl section and the second portion are moved away from the first portion, wherein in the first position at least the second portion obstructs external access to the engine part and in the second position at least the second portion is displaced to permit external access to the engine part.


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