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:
Mar. 25, 2008
Filed:
Mar. 24, 2005
Applicant:
David M Gainford, Sutton Coldfield, GB;
Inventor:
David M Gainford, Sutton Coldfield, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/26 (2006.01); F02C 9/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel metering unitfor an aircraft. The unithaving an inlet legwithin which fuel flows, which legsplits into controlling legswhich rejoin downstream to form an outlet legShut off valvesare provided respectively in the controlling legand outlet legFuel flow through the legsis compared, and if an unexpected relative comparison is made, fuel flow through one or both of the legscan be stopped using respectively either of the valves