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:
Jul. 24, 2018
Filed:
Nov. 30, 2015
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Christopher Benson, Swindon, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); F01D 5/14 (2006.01); F01D 21/04 (2006.01); F02C 7/05 (2006.01);
U.S. Cl.
CPC ...
F01D 5/147 (2013.01); F01D 5/282 (2013.01); F01D 21/045 (2013.01); F02C 7/05 (2013.01); F05D 2220/36 (2013.01); F05D 2230/232 (2013.01); F05D 2240/303 (2013.01); F05D 2250/38 (2013.01); F05D 2260/311 (2013.01);
Abstract
A turbomachine blade comprising a blade tip and a metallic leading edge having a plurality of shear zones angled to the blade tip, wherein the shear strength of the shear zones is less than the shear strength of the remainder of the leading edge, such that in the event of an impact shear is initially initiated at the shear zones.