Motors: expansible chamber type – With motive fluid valve – Relatively movable inlet and exhaust valves for single...
Patent
1987-10-02
1988-07-12
Hart, Douglas
Motors: expansible chamber type
With motive fluid valve
Relatively movable inlet and exhaust valves for single...
91459, 180178, F15B 1108, F15B 13044, B60K 3100
Patent
active
047562340
ABSTRACT:
A speed control actuator includes a diaphragm forming a movable wall of a variable pressure chamber. An output member is fixed to the diaphragm to impart diaphragm movement to a throttle valve of the automotive vehicle. Three solenoid valves are mounted on a common bracket and are disposed in the variable pressure chamber for controlling vacuum and atmospheric pressure into the chamber. Two of the three solenoid valves are normally biased open to assure disengagement of the actuator.
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Eaton Corporation
Hart Douglas
Johnston R. A.
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