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. 05, 2009
Filed:
Feb. 05, 2007
Applicants:
Andrew C. Pickard, Indianapolis, IN (US);
Christopher Jack, Derby, GB;
Colin Richard Barnfather, Derby, GB;
Inventors:
Andrew C. Pickard, Indianapolis, IN (US);
Christopher Jack, Derby, GB;
Colin Richard Barnfather, Derby, GB;
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas turbine engine fuel metering valve is configured to move within an operating position range having a first end position for establishing a first fuel flow rate, a second end position for establishing a second fuel flow rate, and an intermediate position located between the first and second end positions for establishing a third fuel flow rate. The first and second fuel flow rates are either both higher than or both lower than the third fuel flow rate.