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:
Feb. 24, 2009
Filed:
Jan. 31, 2006
Applicants:
Michael a Horswill, Chester, GB;
Stephen G Garner, Ashby de la Zouch, GB;
Inventors:
Michael A Horswill, Chester, GB;
Stephen G Garner, Ashby de la Zouch, GB;
Assignee:
Rolls-Royce plc, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A control apparatusfor a gas turbine engine for an aircraft includes engine control meansforming part of an outer fuel control loop and fuel control means/overthrust protectorforming part of an inner fuel control loop. Overthrust protection is provided within each of the engine control meansand the fuel control means/overthrust protector, which are powered and housed separately. Thus, a failure within one of these systems could not result in overthrust and demonstrably reliable overthrust protection is provided within a single channel.