Invention Grant
- Patent Title: Turbine bucket cooling passages and internal core for producing the passages
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Application No.: US10753341Application Date: 2004-01-09
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Publication No.: US06966756B2Publication Date: 2005-11-22
- Inventor: Edward Lee McGrath , Benjamin Arnette Lagrange
- Applicant: Edward Lee McGrath , Benjamin Arnette Lagrange
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Nixon & Vanderhye P.C.
- Main IPC: F01D5/18
- IPC: F01D5/18
Abstract:
A turbine bucket comprising an airfoil portion, a shank portion and a dovetail mounting portion; an internal cooling circuit including inlet passages in the shank portion and the dovetail mounting portion connected to a cooling circuit in the airfoil portion, the inlet passages including a primary inlet passage on one side of a radial centerline of the bucket, and a secondary inlet cavity on an opposite side of the radial centerline; and a purge passage connecting the secondary inlet passage to the primary inlet passage.
Public/Granted literature
- US20050152785A1 Turbine bucket cooling passages and internal core for producing the passages Public/Granted day:2005-07-14
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