fuel injector
Injector In*ject"or, n. 1. One who, or that which, injects. [1913 Webster]

2. (Mach.) A contrivance for forcing feed water into a steam boiler by the direct action of the steam upon the water. The water is driven into the boiler by the impulse of a jet of the steam which becomes condensed as soon as it strikes the stream of cold water it impels; -- also called {Giffard's injector}, from the inventor.

{fuel injector}, a device for actively injecting fuel into an internal-combustion engines by directly forcing the liquid fuel into the combustion chamber at an appropriate point in the piston cycle; -- an alternative to a {carburetor}, in which an air-fuel mixture is drawn in by the downward stroke of the piston. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • fuel injector — [1] An injector in a fuel injection system which sprays gasoline into the inlet ports, or diesel either directly into the combustion chamber or into a pre chamber. [2] In all fuel injection system (except Bosch CIS, CIS/Lambda, and CIS E systems) …   Dictionary of automotive terms

  • fuel injector — injector (def. 2b). * * * …   Universalium

  • fuel injector — noun : a pump and valve mechanism that sprays liquid fuel intermittently into the cylinder of a diesel engine * * * injector (def. 2b) …   Useful english dictionary

  • fuel injector nozzle — The device that works like a hypodermic needle to inject the proper amount of fuel into the combustion chamber in response to signals from an electronic sensing device on cars with fuel injection systems. It receive fuel at low pressure and shoot …   Dictionary of automotive terms

  • fuel injector valve — See fuel injector nozzle …   Dictionary of automotive terms

  • Injector — In*ject or, n. 1. One who, or that which, injects. [1913 Webster] 2. (Mach.) A contrivance for forcing feed water into a steam boiler by the direct action of the steam upon the water. The water is driven into the boiler by the impulse of a jet of …   The Collaborative International Dictionary of English

  • Injector (disambiguation) — Injector may refer to: *Injector or Steam injector or Ejector, a pump like device without moving parts. *Syringe or Jet injector, medical hypodermic devices. *Oxy gas torch, a type of welding and cutting torch. *Dropper, installs a malware… …   Wikipedia

  • Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …   Wikipedia

  • injector — Refers to the pump system (used in a fuel injection system) that squirts or injects a measured amount of gasoline into the intake manifold in the vicinity of the intake valve. In the diesel engine fuel is injected directly into the cylinder. In a …   Dictionary of automotive terms

  • Fuel rail — A fuel rail is essentially a pipe (usually resembling a rail) used to deliver fuel to individual fuel injectors on internal combustion engines. It is designed to have a pocket or seat for each injector as well as an inlet for a fuel supply. Some… …   Wikipedia

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