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. 08, 2009
Filed:
Apr. 19, 2006
Steven A. Lewis, South Bend, IN (US);
Steven A. Lewis, South Bend, IN (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A fuel system for a gas turbine engine having at least one augmentor zone which fuel system includes a fuel pump () drawing fuel from a fuel tank () and pumping the fuel in a downstream direction, at least one fuel line () connecting the fuel pump () to the at least one augmentor zone, at least one augmentor metering valve () in the at least one augmentor fuel line () for metering fuel to the at least one augmentor zone, and a fuel return path () returning fuel from a point in the fuel line () downstream of the fuel pump () to the fuel tank (), wherein the point is downstream of the at least one augmentor metering valve (). A selector valve () is provided to allow thermal recirculation of fuel using an augmentor metering valve. Also a method of controlling fuel recirculation in a gas turbine engine.