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An advantage of indirect injection gasoline engines versus direct injection gasoline engines is that deposits on intake valves from the crankcase ventilation system are washed by the fuel. [2] Indirect injection engines also tend to produce lower amounts of particulate matter compared to direct injection engines as the fuel and air are more ...
The M-System, used in some diesel engines from the 1960s to the 1980s, sprayed the fuel onto the walls of the combustion chamber, [15] as opposed to most other direct-injection systems which spray the fuel into the middle of the chamber.
An indirect diesel injection system (IDI) engine delivers fuel into a small chamber called a swirl chamber, precombustion chamber, pre chamber or ante-chamber, which is connected to the cylinder by a narrow air passage. Generally the goal of the pre chamber is to create increased turbulence for better air / fuel mixing.
These engines use an injection pump that is entirely mechanical, as was the standard for diesels of the day. The fuel system also utilizes indirect injection which made it quieter than mechanically direct injected engines. Both displacements use the Stanadyne DB-2 injection pump fed by a cam-driven lift pump.
The 1KZ-TE also adopts the electronically controlled fuel injection, ETCS-i (Electronic throttle control System - intelligent) technology which is similar in basic construction to a modern gasoline injector, although using considerably higher injection pressures, it is an indirect injection engine which gives it a significant efficiency and ...
The PSA XUD is a diesel engine designed and built by PSA — Peugeot and Citroën.It is an Indirect injection (IDI) engine, that uses a version of the Ricardo Consulting Engineers Ricardo Comet V prechamber cylinder head design. [1]
Direct injection— where a fuel injector sprays the diesel fuel directly into the main combustion chambers. This causes a more complete combustion process than using a pre-combustion chamber (known as indirect injection), which therefore increases the torque output and reduces the exhaust emissions. [1] [2]
Fuel supply is indirect injection via a prechamber arrangement. The OM-601's injection pump is a mechanical fuel injection unit with a 5,150 RPM (+ or - 50 RPM) mechanical governor, automatic altitude compensation, and a 'load sensing' automatic idle speed control. The pump is lubricated by a connection to the engine oil circulation.
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