Invention Grant
- Patent Title: Multi-cast turbine airfoils and method for making same
- Patent Title (中): 多级涡轮机翼型及其制造方法
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Application No.: US12110635Application Date: 2008-04-28
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Publication No.: US08267663B2Publication Date: 2012-09-18
- Inventor: Joël Larose , Ghislain Plante
- Applicant: Joël Larose , Ghislain Plante
- Applicant Address: CA Longueuil
- Assignee: Pratt & Whitney Canada Corp.
- Current Assignee: Pratt & Whitney Canada Corp.
- Current Assignee Address: CA Longueuil
- Agency: Norton Rose Canada LLP
- Main IPC: F01D5/28
- IPC: F01D5/28
Abstract:
A gas turbine engine airfoil is made from separate cast sections having different cast alloy structures. The cast alloy structures are selected on the basis of the local operating conditions of each section. Friction welding can be used to join the sections together.
Public/Granted literature
- US20090269193A1 MULTI-CAST TURBINE AIRFOILS AND METHOD FOR MAKING SAME Public/Granted day:2009-10-29
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