CONTROL ACTUATOR UNIT Russian patent published in 2000 - IPC

FIELD: unmanned flying vehicles; designing aerodynamic control surfaces. SUBSTANCE: control actuator unit consists of four actuators secured on inner surface of fuselage 19. Each actuator has body 1, shaft 2 of aerodynamic control surface, electric motor 5, control surface position sensor 6 and reduction gearbox consisting of three gear drives connected in succession: spur gear drive, ball helical gear drive and rack gear drive. Sensor 6 is connected with shaft 2 by means of cam mechanism. EFFECT: increased loading capacity, torsional stiffness and rigidity of securing actuators to flying vehicle fuselage. 5 cl, 2 dwg