fuel-valve
91selector valve — i. A hydraulic flow control valve to direct pressurized fluid into one side of actuator and, at the same time, direct return fluid from the other side of the actuator to the reservoir. ii. When used in relation to fuel systems, it means a switch… …
92shutoff valve — A flow control valve that can be used to stop a flow of fluid. A low pressure cock in the aircraft fuel system is a type of shutoff valve …
93tank selector valve — A selector valve controlled by the pilot to select the fuel tank from which he or she desires to feed the engine. See selector valve (i). Tank farm …
94air-valve carburetor — A type in which a spring closed or weight closed air valve opens in response to engine demand. This valve, through suitable linkage, varies the fuel orifice opening to secure the desired mixture ratio throughout the range of operation. SU and… …
95idle air control valve — (IAC) on fuel injection vehicle, a valve that allows air to bypass the throttle plate(s), increasing idle speed. The valve is operated by an electric solenoid or motor. The vehicle computer controls the amount of opening to regulate idle speed… …
96pressure regulating valve — [1] any valve which maintains pressure at or under a certain pressure; specifically the pressure relief valve of the oil pump. [2] In a continuous injection system, part of the fuel distributor, consisting basically of a spring loaded steel… …
97VTEC Valve system — Variable Valve Timing and Electronic Lift Control. Changes intake and exhaust valve timing and lift so that it more closely matches the engine s changing air fuel needs. The result is maximum torque at all engine speeds and under all driving… …
98multi-point fuel injection — (MPFI) a fuel injection system that uses one injector per cylinder, mounted on the engine to spray fuel near the intake valve are or the combustion chamber. Also called multi port injection …
99PCV valve — (PCVV)Part of the positive crankcase ventilation system, which reroutes crankcase blowby to the intake manifold and back to the engine, where it is reburned in the cylinders as part of the fuel air mixture. This cuts emission pollution and… …
100intake valve — a valve in the cylinder head of an internal combustion engine that opens at the proper moment in the cycle to allow the fuel air mixture to be drawn into the cylinder. [1960 65] * * * …