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:
Sep. 13, 2011
Filed:
Apr. 18, 2008
Applicants:
Robert R. Pelletier, Chardon, OH (US);
Ravi Gudipati, Willoughby, OH (US);
Michael Carrel, Jefferson, OH (US);
Inventors:
Robert R. Pelletier, Chardon, OH (US);
Ravi Gudipati, Willoughby, OH (US);
Michael Carrel, Jefferson, OH (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01); F02G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel injector for a gas turbine engine of an aircraft, and more particularly a novel and unique heatshield structure for a fuel nozzle wherein a labyrinth seal is uniquely provided in the nozzle to isolate a portion of an insulating gap from an interface whereat fuel may enter the insulating gap, and the insulating gap is provided with a positive purge flow for forcing vapors out of the insulating gap.