Common Rail Injector Nozzle DLLA151P2567

Common Rail Injector Nozzle DLLA151P2567

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How common rail injectors work
The diesel common rail system is now the most commonly used fuel injection system for diesel engines. First commercialised by DENSO, it enables the engine to have greater control over the pressure of fuel injection, leading to a more reliable and efficient combustion process.

After the fuel has been pressurised within the fuel pump, it is stored in the common rail system, also known as the accumulator, before being sprayed via the injectors into the combustion chambers. Each of these injectors can be adjusted within set limits depending on the required fuel pressure and timing for the delivery of fuel. Unaffected by the engine’s rotation speed, having multiple injectors available to send fuel to the engine at different pressures or times enables a greater level of flexibility in terms of the level of power, fuel consumption and emissions that are produced by the engine.