Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Runner – shaft – or separate motor operated
Patent
1990-04-24
1991-08-13
Look, Edward K.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Runner, shaft, or separate motor operated
415156, 415160, F01D 1700
Patent
active
050392778
ABSTRACT:
A variable vane assembly for a gas turbine engine is disclosed having a disk member bearing against a recess formed in the inner surface of the gas turbine engine casing is formed separately from the vane. The disk member has a diametrical notch that accommodates a strip member formed integrally with the vane and which extends generally parallel to the chord of the vane. The control rod, which is also formed integrallly with the vane, passes through an opening defined by the disk member and is pivotally supported by the engine casing. A low friction sleeve may be interposed between the control rod and the opening defined by the engine casing to reduce the pivoting friction of the vane. This sleeve may be formed as a separate element, or may be formed integrally with the disk member, which may also be formed of low-friction material.
REFERENCES:
patent: 2933235 (1960-04-01), Neumann
patent: 2955744 (1960-10-01), Hemsworth
patent: 3059902 (1962-10-01), Savonuzzi
patent: 3723021 (1973-03-01), Bartholomew
patent: 4666318 (1987-05-01), Harrison
patent: 4706354 (1987-11-01), Naudet et al.
patent: 4710036 (1987-12-01), Geczy
patent: 4773821 (1988-09-01), Gonthier et al.
patent: 4792277 (1988-12-01), Dittberner, Jr. et al.
Look Edward K.
Nguyen Hoang
Societe National d'Etude et de Construction de Moteurs d'Aviatio
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