Gas turbine engine actuation system

Details Gas turbine engine actuation system Gas turbine engine actuation system

1982-09-30

1992-08-11

Carone, Michael J.

Power plants

Reaction motor

Interrelated reaction motors

60262, F02K 302

Patent

active

051368404

ABSTRACT:
An actuation system for a gas turbine engine is provided for axially translating an annular member such as a cylindrical sleeve valve of a variable area bypass injector (VABI). In one embodiment, the actuation system comprises a crankshaft rotatably attached at an outer casing of the engine for transmitting rotational movement. A crankarm is pivotally connected between the annular member and the crankshaft for transmitting rotation of the crankshaft to helical motion of the annular member. Two linkarms are circumferentially spaced from the crankarm, and are pivotally connected between the annular member and the outer casing. The linkarms are effective for synchronizing the motion of the annular member when the crankshaft is rotated.

REFERENCES:
patent: 3057541 (1962-10-01), Hasbrouck et al.
patent: 3898799 (1975-08-01), Pollert et al.
patent: 4072008 (1978-02-01), Kenworthy et al.
patent: 4175384 (1979-11-01), Wagenknecht et al.

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