vane motor rotary actuator

vane motor rotary actuator

[′vān ¦mōd·ər ′rōd·ə·rē ′ak·chə‚wād·ər] (mechanical engineering) A type of rotary motor actuator which consists of a rotor with several spring-loaded sliding vanes in an elliptical chamber; hydraulic fluid enters the chamber and forces the vanes before it as it moves to the outlets.