'fuel pump
111hand pump — A device in a hydraulic system used to manually build up hydraulic pressure as a backup in case of hydraulic pump failure. In some earlier aircraft, the hand pump was also used to transfer fuel from one tank to another in case of electrical or… …
112Backup fuel — In a central heat pump system, the fuel used in the furnace that takes over the space heating when the outdoor temperature drops below that which is feasible to operate a heat pump. U.S. Dept. of Energy, Energy Information Administration s… …
113distributor injection pump — A fuel injection pump using pistons which pressurizes fuel for injection in the proper cylinder based on the relative port position of the rotating shaft in the hydraulic head …
114at the pump — ► TRANSPORT used to refer to the cost of fuel for cars when sold to the public: »The dramatic drop in oil prices was not immediately reflected at the pump. Main Entry: ↑pump …
115gravity-feed fuel system — An aircraft fuel system in which the fuel from the supply tank to the engine is fed under gravity, rather than with the help of a booster pump. See aircraft fuel system …
116accelerating pump — A pump in a carburetor of a reciprocating engine that provides a rich fuel air mixture when the throttle is suddenly opened. This permits proper acceleration of the engine. Also called an accelerator pump …
117piston-type pump — A type of pressure pump in which fluid is moved by pistons that move up and down in the cylinder of the pump. Such pumps are used in hydraulic and fuel systems. The output of pistons is controlled by the angle of the swash plate …
118auxiliary acceleration pump — (AAP) a pump that increases driveability during cold engine operation by providing an extra amount of fuel to the acceleration nozzle to supplement the main acceleration pump …
119supply pump — A pump that transfers fuel from the tank and delivers it to the injection pump …
120wobble pump — ☆ wobble pump n. Aeron. an emergency hand pump for supplying fuel to the carburetor of an airplane engine …
