Fuel injection
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Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by means of a fuel injector. This article focuses on fuel injection in reciprocating pist
A cutaway model of a petrol direct-injected engine
Air-blast injection system for an 1898 diesel engine
Mechanical port injection system on a 1906 Antoinette 8V engine
1950s Rochester Ramjet mechanical port injection system (on a Chevrolet 283 engine)
Manifold injection
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Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as th
Fuel injection
…formation systems for internal combustion engines: "internal" and "external." A fuel injection system that uses external mixture formation is called a manifold injection system. There exist two types of manifold injection systems: multi-point (or "port") and single-point (or "throttle body") injection. Internal mixture…
Continuously injecting mechanical MPI system Bosch K-Jetronic (ca. 1980s) The part on the right with red fuel lines coming out of it is the fuel distributor; the part on the left is a vacuum-driven piston used for determining the amount of air currently sucked into the engine
Single-point injection fuel injector of a Bosch Mono-Jetronic (ca. 1990s)
Straight-six engine BMW M88 This example shows the basic layout of a multi-point injected engine – each cylinder is fitted with its own fuel injector, and each fuel injector has its own fuel line (white parts) going straight into the fuel injection pump (mounted on the right hand side)
Mechanic fuel injection pump system "Kugelfischer" This system uses a three-dimensional cam