B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 20/12 (2006.01) F01D 5/14 (2006.01) F01D 5/22 (2006.01) F01D 5/34 (2006.01)
Patent
CA 2650322
The present invention provides a linear friction welded blisk of a gas turbine engine and method of fabricating the blisk. The blisk includes a blisk hub having a curved periphery and having a central axis formed therethrough. At least one blade joining stub including a planar weld joint surface to which at least one airfoil blade may be welded by linear friction welding is formed about the periphery of the blisk hub. The planar weld joint surface is formed in a plane parallel to the central axis of the blisk hub thereby providing for linear friction welding of the airfoil blade to the planar weld joint surface in a tangential, chordal, or axial direction. The planar weld joint surface reduces the complexity of the linear friction welding machines and tooling, and further provides for an increase in blade count and leading edge accessibility.
Bazzell Brad
Berry Brian
Chung Vincent
Nutter Clayton
Ryan Daniel
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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