Metal working – Method of mechanical manufacture – Impeller making
Patent
1996-12-05
1998-03-31
Cuda, Irene
Metal working
Method of mechanical manufacture
Impeller making
2988922, B23P 1500
Patent
active
057324689
ABSTRACT:
An airfoil and a band or platform member of a vane segment, such as of a turbine engine, are bonded at a non-linear clearance slot formed between a shelf in the band and an end and edge of the airfoil. A reservoir bead of a bonding alloy slurry is deposited at one slot opening, a metallic powder is packed into the slot, and another reservoir bead is applied at a slot second opening substantially to close the slot and entrap the powder therein. Then the reservoir beads and powder are heated to flow material of the beads into the clearance slot. This bonds the airfoil and band securely at a deep pocket or blind slot.
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Ferrigno Stephen J.
Galley Ronald L.
Rasch L. Timothy
Cuda Irene
General Electric Company
Hess Andrew C.
Narciso David L.
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