| 释义 |
injection pump
injection pump[in′jek·shən ′pəmp] (mechanical engineering) A pump that forces a measured amount of fuel through a fuel line and atomizing nozzle in the combustion chamber of an internal combustion engine. injection pump An engine-driven pump supplying fuel at high pressure to the injector of a reciprocating engine, where it is atomized and ignites as it leaves the injection nozzle. The pump is in lieu of the conventional carburetor. The supply of fuel is controlled by a throttle valve in conjunction with a boost control. |