Axial flow engine guide vane adjusting device

Details Axial flow engine guide vane adjusting device Axial flow engine guide vane adjusting device

1988-03-31

1989-06-06

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

4151492, F04D 2936

Patent

active

048367460

ABSTRACT:
The shafts of guide vanes of an axial-flow engine, in particular, a combustion turbine, are supported angle-adjustably in an annular guide vane carrier and are spring-loaded and vibration-damped in their axis directions. An adjustment ring concentric to the flow channel is supported play-free and with low-friction engagement in a groove of a carrier ring by radial and axial rolls. Levers wedged on the guide vane shafts are pivoted by pins in a cylinder bolt, which, in turn, are supported rotatably and displaceably in laterally open bores of the adjustment ring and axis-parallel to it. This permits a largely play-free transfer of the adjustment motion onto the guide vane shafts without point or line contact. The guide vane carrier closes off the groove of the carrier ring so, that the entire mechanism is protected against dust.

REFERENCES:
patent: 2671634 (1954-03-01), Morley
patent: 2936108 (1960-05-01), Balcom et al.
patent: 3013771 (1961-12-01), Henny
patent: 3074689 (1963-01-01), Chapman
patent: 3303992 (1967-02-01), Johnson
patent: 3455331 (1969-07-01), Baumann et al.
patent: 3538579 (1970-11-01), Sprenger
patent: 3695777 (1972-10-01), Westphal et al.
patent: 3719427 (1973-03-01), Davis
patent: 4618311 (1986-10-01), Miura et al.

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