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2. Blowoff valve - Wikipedia

   en.wikipedia.org/wiki/Blowoff_valve

   A blowoff valve (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff valves are used to reduce pressure in the intake system as the throttle is closed, thus preventing compressor surge .

3. Air-blast injection - Wikipedia

   en.wikipedia.org/wiki/Air-blast_injection

   A separate cam on the camshaft (as seen in Fig. 5 and on the two-cylinder Johann-Weitzer-engine on the right) would activate the injection valve so the compressed air would then press the fuel into the combustion chamber. Before the injection valve opens, neither fuel nor compressed air can enter the combustion chamber. [16]

4. Anti-dribble valve - Wikipedia

   en.wikipedia.org/wiki/Anti-dribble_valve

   The valve resembles a typical spring-loaded check valve, with a small addition for the anti-dribble function. These valves are mounted on the outlet fittings of the fuel injection pump, one per cylinder injector. They are always mounted at the pump end of the pipes between the pump and injectors.

5. Rochester Ramjet - Wikipedia

   en.wikipedia.org/wiki/Rochester_Ramjet

   The Ramjet is a continuous-flow port-injection system. Unlike later fuel injection systems that used electronics, this one is based on purely mechanical principles. The two main sub-assemblies of the system are the air meter and the fuel meter. The air meter measures airflow into the engine and manages thermostatic warmup enrichment, fuel ...

6. 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.

7. Fuel injection - Wikipedia

   en.wikipedia.org/wiki/Fuel_injection

   Prior to 1979, the electronics in fuel injection systems used analogue electronics for the control system. The Bosch Motronic multi-point fuel injection system (also amongst the first systems where the ignition system is controlled by the same device as the fuel injection system) was the first mass-produced system to use digital electronics.