Pin and roller attachment system for ceramic blades

Details Pin and roller attachment system for ceramic blades Pin and roller attachment system for ceramic blades

1994-02-18

1995-07-25

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Turbo machine

416220R, F04D 2960

Patent

active

054356938

ABSTRACT:
In a turbine, a plurality of blades are attached to a turbine wheel by way of a plurality of joints which form a rolling contact between the blades and the turbine wheel. Each joint includes a pin and a pair of rollers to provide rolling contact between the pin and an adjacent pair of blades. Because of this rolling contact, high stress scuffing between the blades and the turbine wheel reduced, thereby inhibiting catastrophic failure of the blade joints.

REFERENCES:
patent: 4904160 (1990-02-01), Partington
patent: 5073084 (1991-12-01), Hirst
patent: 5368444 (1994-11-01), Anderson

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