The main function of the injector assembly
The main role of the injector assembly is to control the amount of fuel injection and injection timing to ensure the normal operation and efficient work of engine. The injector assembly can accurately control the injection amount of fuel by receiving the injection pulse signal from ECU (electronic control unit), so as to meet the needs of the engine in different working conditions. The spray characteristics of the injector, including atomization particle size, oil spray distribution, oil beam direction, range and diffusion cone Angle, etc., should meet the requirements of diesel engine combustion system to ensure the perfect formation and combustion of the mixture, so as to improve the power and thermal efficiency of the engine.
The specific working principle and application scenario of the injector assembly
The injector assembly plays a crucial role in the fuel injection system. Fuel injection system according to the different types of fuel injection, can be divided into gasoline injection system, diesel injection system and gas fuel injection system. According to the different control methods, it can be divided into mechanical control type, electronic control type and electromechanical hybrid control type. Fuel injector assembly by using a certain pressure to inject fuel directly into the cylinder or inlet, so as to achieve accurate fuel supply. Especially in diesel engines, the accuracy of the injector assembly directly affects the power and economy of the diesel engine, so its processing accuracy and performance requirements are very high. injector assembly is the key component of diesel fuel system, used for precise control of fuel injection amount and injection timing. The fuel injector assembly consists of a plurality of parts, including an oil supply part, a gas supply part and a control part. Its working principle is to control the injection of fuel through a solenoid valve or a hydraulic servo system to ensure that the fuel is accurately injected into the combustion chamber under high pressure. The spray characteristics of the injector, such as atomization particle size and oil mist distribution, have an important effect on the power performance and economy of the diesel engine.
The composition and working principle of the injector assembly
The injector assembly is mainly composed of an oil supply part, a gas supply part and a control part. The oil supply part includes oil tank, gasoline pump, gasoline filter, pressure regulator and fuel injector. The working principle is that the gasoline is extracted from the oil tank through the gasoline pump, filtered by the filter, and then pressurized by the pressure regulator, and finally sent to the injector of each cylinder. The control part precisely controls the amount and timing of fuel injection through a solenoid valve or hydraulic servo system.
Type and application of injector assembly
Fuel injector assemblies are available in a variety of types, including hole injectors, needle injectors and low inertia injectors. The hole injector is suitable for direct injection combustion chamber diesel engine, and the shaft needle injector has the advantages of large hole diameter, low fuel injection pressure, and the hole is not easy to accumulate carbon blockage. These different types of fuel injectors can meet the needs of various diesel engines according to their different structures and application scenarios.
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