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  2. 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 ...

  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. Gasoline direct injection - Wikipedia

    en.wikipedia.org/wiki/Gasoline_direct_injection

    Gasoline direct injection (GDI), also known as petrol direct injection (PDI), [1] is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber. This is distinct from manifold injection systems, which inject fuel into the intake manifold (inlet manifold).

  5. Electronically controlled unit injector - Wikipedia

    en.wikipedia.org/wiki/Electronically_controlled...

    Injection phase Partway through the pump stroke, the solenoid is energized, which closes the spill valve. The fuel is forced into the cylinder through the spray tip. Pressure reduction phase Toward the end of the pump stroke, the spill valve is re-opened, allowing the fuel to recirculate again and ending the injection phase.

  6. Common rail - Wikipedia

    en.wikipedia.org/wiki/Common_rail

    Common rail fuel system on a Volvo truck engine. In 1916 Vickers pioneered the use of mechanical common rail systems in G-class submarine engines. For every 90° of rotation, four plunger pumps allowed a constant injection pressure of 3,000 pounds per square inch (210 bar; 21 MPa), with fuel delivery to individual cylinders being shut off by valves in the injector lines. [1]

  7. Unit injector - Wikipedia

    en.wikipedia.org/wiki/Unit_injector

    Early Lucas electronic diesel unit injector. A unit injector (UI) is a high-pressure integrated direct fuel injection system for diesel engines, combining the injector nozzle and the injection pump in a single component. The plunger pump used is usually driven by a shared camshaft. In a unit injector, the device is typically lubricated and ...

  8. List of Nissan engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Nissan_engines

    Fuel delivery T: Twin carburetors (e.g. L16T and L18T) Fuel delivery i: Throttle Body Fuel Injection: Fuel delivery E: Multi Port Fuel Injection: Fuel delivery D: Direct Cylinder Fuel Injection: Fuel delivery N: Natural gas fueled Fuel delivery P: LPG fueled Fuel delivery e: Engines specifically built as a power generator for electric motors ...

  9. Jetronic - Wikipedia

    en.wikipedia.org/wiki/Jetronic

    Fuel is pumped from the tank to a large control valve called a fuel distributor, which divides the single fuel supply line from the tank into smaller lines, one for each injector. The fuel distributor is mounted atop a control vane through which all intake air must pass, and the system works by varying fuel volume supplied to the injectors ...

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