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:
Apr. 28, 2020
Filed:
Nov. 20, 2016
Applicant:
Mra Systems Llc, Baltimore, MD (US);
Inventor:
Qiming Song, Xuhui District, CN;
Assignee:
MRA SYSTEMS, LLC, Baltimore, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/28 (2006.01); B64D 29/06 (2006.01); B64D 29/08 (2006.01); F01D 25/24 (2006.01); F01D 25/00 (2006.01); F02C 7/00 (2006.01); F01D 9/02 (2006.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
F02C 7/28 (2013.01); B64D 29/06 (2013.01); B64D 29/08 (2013.01); F01D 9/023 (2013.01); F01D 25/00 (2013.01); F01D 25/24 (2013.01); F02C 3/04 (2013.01); F02C 7/00 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01); F05D 2260/606 (2013.01);
Abstract
A method and apparatus for a gas turbine engine including a core engine a nacelle surrounding at least a portion of the core engine and defining an interior with an opening. An access door for the opening to provide selective access to the opening where the access door provides pressure relief for the interior.