Sealing structure for a pivoting blade of a gas turbine

Details Sealing structure for a pivoting blade of a gas turbine Sealing structure for a pivoting blade of a gas turbine

1993-05-10

1994-06-28

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415230, F01D 1716

Patent

active

053241657

ABSTRACT:
A sealing structure for a gas turbine blade which pivots about a pivot shaft. A split ring is located in a groove on the shaft, in which the ring can be embedded and held by a bush. When the blade is fitted, the bush abuts against a wall of the stator, slides on the pivot shaft and frees the ring, which expands and forms the seal. The invention relates to gas turbines where the stator blades have a variable setting.

REFERENCES:
patent: 3210045 (1965-10-01), Lindquist
patent: 4792277 (1988-12-01), Dittberner, Jr. et al.

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