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. 19, 2002
Filed:
Sep. 26, 2000
Applicant:
Inventors:
Martin G Rose, Derby, GB;
Alec G Dodd, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 3/12 ;
U.S. Cl.
CPC ...
F03B 3/12 ;
Abstract
A gas turbine blade ( ) which has a rounded trailing edge ( ), is provided with a row of side by side arranged ceramic fibres ( ) along the trailing edge ( ). During operation of the turbine blade ( ), the rounded shape of trailing edge ( ) causes gasflows to break from the rounded edge before reaching the edge extremity. The presence of the fibres ( ) prevent the formation of vortices in the gasflow, and thereby improve turbine efficiency.