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:
Jun. 01, 2004
Filed:
Nov. 14, 2001
Steven D Lawer, Derby, GB;
Mark A Halliwell, Derby, GB;
Rolls-Royce plc, London, GB;
Abstract
A seal segment ( ) as described for a seal segment ring ( ) of a turbine ( ) in a gas turbine engine ( ). The seal segment ( ) has an inner surface ( ) adapted to face the turbine blades ( ) in use. Path means ( ) is defined in the seal segment ( ). The path means ( ) is adapted to extend, in use, generally parallel to the principal axis of the turbine and has downstream inlet means ( ) through which a cooling fluid to cool the seal segment can enter the path means ( ) and upstream outlet means ( ) from which the cooling fluid can be exhausted from the path means ( ). The cooling fluid can flow along the path means ( ) in a generally upstream direction opposite to the flow of gas through the turbine.