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:
Apr. 17, 2012
Filed:
Sep. 08, 2009
Applicants:
David Michael Gainford, Birmingham, GB;
Jonathan Edmund Holt, Derbyshire, GB;
Inventors:
David Michael Gainford, Birmingham, GB;
Jonathan Edmund Holt, Derbyshire, GB;
Assignee:
Rolls-Royce PLC, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 15/10 (2006.01); F02C 6/00 (2006.01); H02K 7/18 (2006.01); H02P 9/04 (2006.01); F02D 31/00 (2006.01); F02D 35/00 (2006.01); F02D 29/06 (2006.01); F02C 3/14 (2006.01); F02C 5/02 (2006.01); F02C 3/00 (2006.01); F02C 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine having at least one stage of propeller rotor blades, and a load, the at least one stage being associated with electrical generation means to generate electricity for the load. The load is switchable into a high load state in the event of an overspeed signal from the rotor blades. Also a method of controlling rotor overspeed of an engine, characterized by the steps of: