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:
Jan. 05, 2010
Filed:
Jan. 19, 2006
Applicant:
Neil William Harvey, Derby, GB;
Inventor:
Neil William Harvey, Derby, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turbine bladefor a gas turbine enginehaving an axis, the turbine bladecomprising: an aerofoilincluding a high pressure surface, a low pressure surface, a root portionand a tip surfaceextending transverse from the high and low pressure surfacesand, the high and low pressure surfacesandcurve from the root portionto the tip surfacein a direction that is substantially tangential to the axisof the engine; and an air leakage restricting memberon the tip surface, the air leakage restricting memberbeing configured to substantially prevent leakage of air over the tip surface