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. 01, 2019
Filed:
Dec. 17, 2015
Applicant:
Chromalloy Gas Turbine Llc, Palm Beach Gardens, FL (US);
Inventor:
James Page Strohl, Stuart, FL (US);
Assignee:
Chromalloy Gas Turbine LLC, Palm Beach Gardens, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/141 (2013.01); F01D 5/147 (2013.01); F05D 2220/30 (2013.01); F05D 2240/304 (2013.01); F05D 2240/80 (2013.01); F05D 2250/294 (2013.01); F05D 2260/941 (2013.01);
Abstract
A turbine blade has an undercut beneath its platform proximate a trailing edge region. The undercut incorporates a curved portion to reduce to reduce undesirable stress concentration. The undercut shape includes a curved portion of decreasing radius with increasing distance from the underside of the platform.