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:
Feb. 25, 2014
Filed:
Jun. 17, 2010
Applicants:
Xinwen Xiao, San Diego, CA (US);
Venkata S. Bandaru, Manchester, CT (US);
Shiv C. Gupta, San Diego, CA (US);
Gordon F. Jewess, San Diego, CA (US);
Inventors:
Xinwen Xiao, San Diego, CA (US);
Venkata S. Bandaru, Manchester, CT (US);
Shiv C. Gupta, San Diego, CA (US);
Gordon F. Jewess, San Diego, CA (US);
Assignee:
Pratt & Whitney, East Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 11/04 (2006.01); F03B 3/12 (2006.01); F04D 29/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade retention system for retaining a foot of a turbine blade in a shoe of a turbine disc of a turbine wheel includes: a hook on a heel end of the blade foot that protrudes from a bottom of the blade foot to engage a heel end of the turbine disc shoe; and a compound fillet that engages the hook with the bottom of the blade foot.