Furnaces – With control means responsive to a sensed condition
Patent
1993-03-19
1994-10-25
Favors, Edward G.
Furnaces
With control means responsive to a sensed condition
91361, 1224793, 318663, F23H 500
Patent
active
053578783
ABSTRACT:
A control system is provided for an actuating member including a controller, a solenoid valve electrically coupled to the controller, a fluid driven actuator operatively coupled to the solenoid valve, an actuating member operatively coupled to the fluid driven actuator, a potentiometer operatively coupled to the actuating member for converting a rotational position of the actuating member into a proportional electrical resistance, signal converting means for converting the electrical resistance to a proportional electrical current, and means for conducting the current to the controller. The controller includes means for comparing the current to a control signal indicative of a desired position of the actuating member, and means for generating a voltage pulse to the solenoid valve to displace the fluid driven actuator and move the actuating member to the desired position. A method utilizing the above system is also provided.
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