CONTROL DEVICE Russian patent published in 2013 - IPC F16K17/168 F16K3/02 

FIELD: machine building.

SUBSTANCE: operating in different modes by independent drives. Control device comprises a slide damper with moving blades coupled through a connecting gear with a drive of passive operating principle, the drive casing is fitted by an actuator with a stem. The device is also equipped by a drive of active operating principle which is coupled with a connecting gear through a clutch. Each of half-clutches of the latter is capable of free rotation in relation to the other one at the angle less than 360°. One half-clutch is connected to the shaft of the drive of active operating principle. The other half-clutch is connected to the shaft of connecting gear. An intermediate load-bearing element is set in-between the stem and the connecting gear. Besides, the intermediate load-bearing element is made as a precompressed spring and the drive of active operating principle - as an electric drive.

EFFECT: invention allows for enhancing reliabiliy and safety of control unit of passive heat removal system and of reactor facility on the whole.

3 cl, 7 dwg