Conical rotary actuator and its application to the control of a

Details Conical rotary actuator and its application to the control of a Conical rotary actuator and its application to the control of a

1995-11-27

1998-03-03

Grant, William

Aeronautics and astronautics

Aircraft control

Automatic

244 75R, 244226, 92122, 92125, B64C 1336

Patent

active

057226164

ABSTRACT:
A rotary actuator (16) has an inner body (32) forming a rotor and at least one outer body (34) forming a stator. The inner body (32) and outer body (34) carry blades (40,44) arranged in an alternating manner and defining between them two series of variable volume chambers. The cross-section of the chambers and the height of the triangular blades (40,44) decreases from one end to the other, as a result of a substantially frustum-shape of the inner body (32). Such an actuator (16) can be used for controlling an aircraft rudder or control surface and it is then positioned along the articulation axis of the rudder or control surface.

REFERENCES:
patent: 2870748 (1959-01-01), Hemphill
patent: 2951470 (1960-09-01), Self
patent: 2966144 (1960-12-01), Self
patent: 2984221 (1961-05-01), Van Voorhees
patent: 3020008 (1962-02-01), Rumsey
patent: 3053232 (1962-09-01), Self
patent: 4738415 (1988-04-01), Weyer
patent: 4789119 (1988-12-01), Bellego et al.
patent: 4838104 (1989-06-01), Riley
patent: 4945779 (1990-08-01), Williams
patent: 5098043 (1992-03-01), Arena

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