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. 18, 2010
Filed:
Apr. 13, 2005
Applicants:
Michael J. Sheath, Nottingham, GB;
Paul S. Mccabe, Tamworth, GB;
Inventors:
Michael J. Sheath, Nottingham, GB;
Paul S. McCabe, Tamworth, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A load absorption arrangementfor absorbing loads in a variable stator vane positioning system of a gas turbine engine includes a valvewhich has a first operating condition to enable the load absorption arrangementto transmit load, and a second operating condition, which is operable above a predetermined load, in which the valvecan release to enable the load absorption arrangementto absorb the load thereon. The arrangementis particularly suitable for absorbing shock loads which may arise under engine surge.