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:
Jan. 24, 2017
Filed:
Dec. 04, 2015
Applicant:
Lockheed Martin Corporation, Bethesda, MD (US);
Inventors:
Neal D. Domel, Fort Worth, TX (US);
Daniel N. Miller, Bainbridge Island, WA (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/34 (2006.01); F02K 1/38 (2006.01);
U.S. Cl.
CPC ...
F02K 1/34 (2013.01); F02K 1/383 (2013.01);
Abstract
Reducing jet noise by weakening Mach cones in a jet exhaust gas streamtube. The Mach cones are weakened by modifying exhaust gas flow in a longitudinal axial core of the exhaust gas streamtube.