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. 17, 2020
Filed:
Jan. 22, 2015
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Rohit Chouhan, Bangalore, IN;
Soumyik Kumar Bhaumik, Bangalore, IN;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/08 (2006.01); F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/147 (2013.01); F01D 5/08 (2013.01); F01D 5/081 (2013.01); F01D 5/082 (2013.01); F01D 5/085 (2013.01); F01D 5/087 (2013.01); F01D 5/14 (2013.01); F01D 11/001 (2013.01); F01D 11/006 (2013.01); F05D 2220/32 (2013.01); F05D 2240/30 (2013.01); F05D 2240/55 (2013.01); F05D 2240/80 (2013.01); F05D 2250/12 (2013.01); F05D 2250/14 (2013.01);
Abstract
Embodiments of the invention relate generally to rotary machines and, more particularly, to the control of wheel space purge air in gas turbines. In one embodiment, the invention provides a turbine bucket comprising: a platform portion; an airfoil extending radially outward from the platform portion; a platform lip extending axially from the platform portion; and a plurality of voids disposed along a surface of the platform lip.