Apparatus for the adjustment of stator blades of a gas turbine

Details Apparatus for the adjustment of stator blades of a gas turbine Apparatus for the adjustment of stator blades of a gas turbine

1992-01-27

1993-06-01

Kwon, John T.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415159, 415160, 415156, F04D 2936

Patent

active

052154343

ABSTRACT:
Apparatus for the support and adjustment of stator blades of a gas turbine, in which an adjusting ring is connected to the stator blades by adjustment levers disposed outside the turbine housing. The adjusting ring is supported for rotation in the circumferential direction on a support ring, which has elastic resilience in the radial direction, the support ring being suspended on and centered in a movable manner on radial pins fixed in an outer housing of the turbine. The connection of the adjusting ring and the support ring is achieved by a ball-bearing which is pre-stressed. When the adjusting ring is displaced circumferentially, the stator blades are pivoted around suspension shafts by levers fixed to the shafts and connected to the adjusting ring for universal pivotal movement.

REFERENCES:
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patent: 4003675 (1977-01-01), Stevens et al.
patent: 4035101 (1977-07-01), Glenn
patent: 4130375 (1978-12-01), Korta
patent: 4139329 (1979-03-01), Korta
patent: 4363600 (1982-12-01), Thebert
patent: 4618311 (1986-10-01), Miura et al.
patent: 4755104 (1988-07-01), Castro et al.
patent: 4810165 (1989-03-01), Greune et al.
patent: 4836746 (1989-06-01), Owsianny et al.
patent: 5035572 (1991-07-01), Popp

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