Composite compressor wheel for turbochargers

Details Composite compressor wheel for turbochargers Composite compressor wheel for turbochargers

1983-04-21

1989-07-25

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

416241R, 291568R, 228113, F01D 514

Patent

active

048508020

ABSTRACT:
A composite compressor wheel for turbochargers and the like comprises a cast shell having aerodynamically contoured centrifugal impeller blades and a hub section defining a generally conical recess into which a hub insert of noncast material resistant to stress failure is secured as by inertia welding. In use of the composite wheel, the hub insert substantially occupies high stress regions within the wheel to improve wheel fatigue life.

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