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:
Jul. 28, 2009
Filed:
Feb. 27, 2006
Jeffrey Dugan Shelby, Mishawaka, IN (US);
Paul W. Futa, Jr., North Liberty, IN (US);
George S. Wieger, Niles, MI (US);
Jeffrey Dugan Shelby, Mishawaka, IN (US);
Paul W. Futa, Jr., North Liberty, IN (US);
George S. Wieger, Niles, MI (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A fuel control system () for a gas turbine engine includes a main fuel inlet line (), an auxiliary fuel inlet line () and an engine fuel outlet line (). A first flow path extends from the main fuel inlet line () to the engine fuel outlet line () and a second flow path extends from the auxiliary fuel inlet line () to the engine fuel outlet line (). A check valve () in the first flow path allows fuel flow through the first flow path in a direction from the main fuel inlet line () to the engine fuel outlet line () and substantially prevents fuel flow through the first flow path in a direction from the engine fuel outlet line () to the main fuel inlet line (). The check valve () is shiftable between a first position connecting the auxiliary fuel inlet () to the engine fuel outlet () and a second position blocking the second flow path. Also a method of controlling fuel flow in a fuel control system of a gas turbine engine.