Vane angle changing device for an axial fluid machine

Details Vane angle changing device for an axial fluid machine Vane angle changing device for an axial fluid machine

1983-07-07

1986-10-21

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Separate means upstream and downstream of blade set

415150, 415162, 415134, F04D 2936

Patent

active

046183116

ABSTRACT:
A device for changing and attaching or mounting an angle of stationary vanes of an axial-flow fluid machine by rotating the stationary vanes through a circumferential movement of an intermediate cylinder. The device includes at least one arm secured to one end of the intermediate cylinder and engaging at a second end in a groove formed in a block member which is attached to an end of an actuator and is movable in a tangential direction of the intermediate cylinder. A guide arrangement is provided for guiding a movement of the block member and at least a portion of the actuator so as to ensure a smooth operation of the actuator by freeing the same from any influence of undesireable forces such as lateral pressure caused by a thermal expansion of the intermediate cylinder.

REFERENCES:
patent: 2371706 (1945-03-01), Planiol
patent: 2862687 (1958-12-01), Aguet et al.

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