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:
Nov. 06, 2001
Filed:
Dec. 14, 1999
Applicant:
Inventors:
David S Knott, Loughborough, GB;
Kevin A White, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 ;
U.S. Cl.
CPC ...
F01D 5/14 ;
Abstract
A component (,) for a gas turbine engine rotor assembly comprises a wall member (,) for at least partially bridging a space between adjacent rotor blades (,) and a root member (,) for insertion into a groove in the rotor disc (,) of the rotor assembly. The root member (,) includes bearing surfaces (,) for bearing against complementary surfaces (,) in the groove on rotation of the disc. The annulus filler (,) comprises a plurality of layers of carbon fiber reinforced plastics material, the layers being oriented substantially perpendicular to the bearing surfaces (,).