The linkage connecting the accelerator pedal to the carburetor throttle valve or fuel injection control.
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Related Terms |
SEA VALVE
A shut off valve through the hull for intake or discharge piping. |
GAGE VALVE
A valve attached to a water column or drum for checking water level. |
TRY VALVE
One of three valves mounted on a boiler or water column within the visible range of the gauge glass and used to check the water level. |
POPPET VALVE
A cam-operated or spring-loaded reciprocating-engine mushroomtype valve used for control of admission and exhaust of working fluid; the direction of movement is at right angles to the plane of its seat.
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PNEUMATIC CONTROL VALVE
A valve in which the force of compressed air against a diaphragm is opposed by the force of a spring to control the area of the opening for a fluid stream.
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PNEUMATIC CONTROLLER
A device for the mechanical movement of another device (such as a valve stem) whose action is controlled by variations in pneumatic pressure connected to the controller.
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PLUG VALVE
A valve fitted with a plug that has a hole through which fluid flows and that is rotatable through 90 for operation in the open or closed position. Also known as plug cock.
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PISTON VALVE
A cylindrical type of steam engine slide valve for admission and exhaust of steam.
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PENSTOCK
1. A valve or sluice gate for regulating water or sewage flow. 2. A closed water conduit controlled by valves and located between the intake and the turbine in a hydroelectric plant.
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OVERRIDING PROCESS CONTROL
Process control in which any one of several controllers associated with one control valve can be made to override another in accordance with a priority requirement of the process.
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