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.

Date of Patent:
Sep. 07, 2004

Filed:

Dec. 19, 2002
Applicant:
Inventors:

Craig M. Warner, Malta, NY (US);

Bernard Arthur Couture, Jr., Schenectady, NY (US);

John Cleland Lavash, Niskayuna, NY (US);

Ronald Wayne Korzun, Clifton Park, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/22 ;
U.S. Cl.
CPC ...
F01D 5/22 ;
Abstract

A turbine bucket is disclosed which includes a dovetail for mounting the bucket within the turbine, a parallelogram-shaped platform connected to the dovetail, a parallelogram-shaped shroud, and an airfoil connected between the platform and the shroud. The platform includes an inner flowpath surface at which a first end of the airfoil intersects with the platform the inner flowpath surface being parallelogram-shaped and formed from a first inclined plane and a second inclined plane that meet at a first common boundary and form a first ridge or valley, boundary bisecting the inner flowpath surface, the shroud including an outer flowpath surface at which the second end of the airfoil intersects the shroud, the outer flowpath surface being parallelogram-shaped and formed from a third inclined plane and a fourth inclined plane that meet at a second common boundary and form a second ridge or valley, second common boundary bisecting the outer flowpath surface.


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