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:
Mar. 25, 2008
Filed:
Oct. 03, 2005
Applicant:
Julian Glyn Balsdon, Bristol, GB;
Inventor:
Julian Glyn Balsdon, Bristol, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sealing arrangement between annular components, for example in a gas turbine engine, comprises an L-shaped sealing ring. The sealing ringhas a first limbreceived in a groovein the first component, and a second limbhaving a sealing facewhich is maintained in contact with an abutment surfaceon the second componentunder the resilient action of the sealing ring. The second limbis exposed to the pressure in a chamberwhich assists the resilience of the sealing ringin maintaining sealing contact between the sealing faceand the abutment surface. Bleed holesare provided.