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2. Crankcase ventilation system - Wikipedia

   en.wikipedia.org/wiki/Crankcase_ventilation_system

   This is due to the fact that the fuel hits the intake valves on the way to the combustion chamber, allowing the detergents in the fuel to keep them clean. However, carbon build-up on intake valves is a problem for engines with direct injection only, as the fuel is injected directly into the combustion chamber.

3. Fuel injection - Wikipedia

   en.wikipedia.org/wiki/Fuel_injection

   The term fuel injection is vague and comprises various distinct systems with fundamentally different functional principles. The only thing all fuel injection systems have in common is the absence of carburetion. There are two main functional principles of mixture formation systems for internal combustion engines: internal and external.

4. Blowoff valve - Wikipedia

   en.wikipedia.org/wiki/Blowoff_valve

   In the case where an airflow sensor is present upstream from the blowoff valve and the blowoff valve vents to atmosphere, the fuel injection system is unaware that some of the intake air has been vented instead of going into the cylinders. This volume of vented air is no longer relevant to the engine, however it is still included in the ...

5. Jacketed fuel injection pipe - Wikipedia

   en.wikipedia.org/wiki/Jacketed_fuel_injection_pipe

   This jacket is usually metallic in construction and can either be a thin walled tube or convoluted hose. In the event of a burst in the injection pipe the leaking fuel will be collected by the jacket and piped away safely to an alarm device to notify operators of a potential problem. Jacket fuel lines are found predominantly in marine applications.

6. Air-blast injection - Wikipedia

   en.wikipedia.org/wiki/Air-blast_injection

   Before the invention of precombustion chamber injection, air-blast injection was the only way a properly working internal air fuel mixture system could be built, required for a Diesel engine. During the 1920s, [ 2 ] air-blast injection was rendered obsolete by superior injection system designs that allowed much smaller but more powerful engines ...

7. Water injection (engine) - Wikipedia

   en.wikipedia.org/wiki/Water_injection_(engine)

   Bosch has heritage of water injection MW50 design in the past with Daimler-Benz DB 605. Today the manufacture claims up to 5% increase in engine performance, up to 4% decrease in CO 2 emissions and up to 13% improvement in fuel economy. [13] Similar results were reported in "Water Injection - High Power and High Efficiency combined" [14]