Pawl Actuator Valve Control
Original Publication Date: 1979-Jun-01
Included in the Prior Art Database: 2005-Feb-20
The actuators for the serrated periphery of the valve wheel 10 comprise a pair of identical pawls 11a, 11b which may be pulsed to move the valve wheel 10 in either desired direction as by the solenoids 12 and 13, respectively. As shown, the valve wheel is coupled to a stem or the like 14 through a mounting bracket 15, the mounting bracket including stublike projections 16 and 17 which act as anchors for pawl return springs 18a, 18b.