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:
May. 08, 2018
Filed:
Jan. 21, 2013
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
David F. Cerra, Bellevue, WA (US);
Lie-Mine Gea, Irvine, CA (US);
Robert H. Willie, Bothell, WA (US);
Leonard J. Hebert, Kirkland, WA (US);
Donald E. Robinson, Mercer Island, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/34 (2006.01);
U.S. Cl.
CPC ...
F02K 1/34 (2013.01); F05D 2240/14 (2013.01);
Abstract
A gas turbine engine exhaust nozzle comprises a housing having an aft end that terminates in a row of chevrons. At least one surface of the housing has scalloped root regions proximate bases of adjacent chevrons. The scalloped root regions have a reduced thickness relative to the rest of the aft end.