Invention Grant
- Patent Title: Method and apparatus for as-cast seal on turbine blades
- Patent Title (中): 涡轮叶片上铸造密封的方法和装置
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Application No.: US12069998Application Date: 2008-02-14
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Publication No.: US07918265B2Publication Date: 2011-04-05
- Inventor: Carl R. Verner , Steven J. Bullied
- Applicant: Carl R. Verner , Steven J. Bullied
- Applicant Address: US CT Hartford
- Assignee: United Technologies Corporation
- Current Assignee: United Technologies Corporation
- Current Assignee Address: US CT Hartford
- Agency: Kinney & Lange, P.A.
- Main IPC: B22C9/04
- IPC: B22C9/04 ; B22D27/04
Abstract:
An investment casting mold article includes a wall for retaining casting material and a cavity defined by the wall. The cavity includes an airfoil portion, a root portion adjacent to the airfoil portion, and a labyrinth seal portion extending from the root portion.
Public/Granted literature
- US20090208769A1 Method and apparatus for as-cast seal on turbine blades Public/Granted day:2009-08-20
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