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. 20, 2004
Filed:
Jul. 08, 2002
Applicant:
Inventors:
David Chard, Wolverhampton, GB;
Stephen John Cutts, Wolverhampton, GB;
Luis Alberto Arce, Wolverhampton, GB;
Timothy Hudson, Telford, GB;
Assignee:
Lucas Industries Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/716 ;
U.S. Cl.
CPC ...
F01D 1/716 ;
Abstract
A vane actuator for use in a turbine engine, comprising a carrier member carrying a plurality of vanes which is angularly movable, in use, so as to vary the position of the vanes relative to an airflow through the engine. The actuator includes an electrical drive arrangement comprising an input shaft which is arranged to drive an output shaft coupled to the carrier member. The electrical drive arrangement includes a brake arrangement arranged to apply a braking load to the input shaft in the event that an interruption occurs in the electrical drive arrangement.