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. 11, 2003
Filed:
Mar. 23, 2001
Applicant:
Inventors:
Steven D Lawer, Derby, GB;
Mark A Halliwell, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/112 ;
U.S. Cl.
CPC ...
F01D 1/112 ;
Abstract
A sealing element ( ) for a turbine of a gas turbine engine includes a radially inner surface region provided with an integrally formed seal structure ( ) comprising a plurality of radially inwardly projecting walls ( ). The walls may be abradable and may define cells ( ) for receiving an abradable sealing material.