Your location： Home -> News -> Industry News

What are the main uses of automotive components (high-pressure common rail components)

Source：fullchargebusiness.com      Release date： 2024-12-31
The use of high-pressure common rail components in the automotive field, especially in diesel engine vehicles, is extremely critical, as follows: 1. Improve power performance Optimizing combustion efficiency: The high-pressure common rail system can generate pressure and spray fuel into the cylinder in an extremely fine mist, making the fuel and air mix more evenly and thoroughly, thereby
The use of high-pressure common rail components in the automotive field, especially in diesel engine vehicles, is extremely critical, as follows:
1. Improve power performance
       Optimizing combustion efficiency: The high-pressure common rail system can generate pressure and spray fuel into the cylinder in an extremely fine mist, making the fuel and air mix more evenly and thoroughly, thereby making the combustion process closer to the ideal state. This fuel injection and good mixture formation promote the release of more energy from the fuel, which is converted into strong power output, making the engine more powerful. For example, in models such as diesel pickups and heavy-duty trucks that require high torque, high-pressure common rail technology significantly improves the vehicle's traction and cargo capacity.
       Enhanced power response: It can quickly and correctly adjust the fuel injection strategy based on the real-time operating conditions of the engine. When the driver forcefully steps on the accelerator pedal to accelerate, the system can instantly increase the fuel injection amount, causing the engine to quickly output high torque, shortening the power response time, making the vehicle accelerate more rapidly and directly, and improving the driving experience.
2. Reduce fuel consumption
      Correct fuel metering: The high-pressure common rail components can accurately control the amount of fuel injected each time, providing "on-demand fuel supply" according to the actual needs of engine operation, eliminating fuel waste caused by rough fuel injection control in traditional diesel engines. Whether the vehicle is driving at a constant speed on the highway or stopping and starting in congested urban conditions, the engine only consumes the minimum amount of fuel required to achieve its current operating state, significantly reducing the vehicle's fuel consumption per 100 kilometers over the long term.
      Improving combustion stability: A stable high-pressure environment ensures consistent fuel injection, making the combustion situation as similar as possible in each working cycle, reducing additional fuel consumption caused by unstable combustion, and further improving fuel economy.
3. Reduce emissions
      Control the generation of harmful gases: With the flexible injection timing adjustment function, the high-pressure common rail system can reduce the combustion temperature in the cylinder and suppress the generation of nitrogen oxides (NOx) through pre injection and other means during the initial combustion stage; In the later stage of combustion, appropriate post injection can be arranged to further oxidize incompletely burned particles and hydrocarbons, reducing pollutant emissions. This makes it easier for diesel vehicles to meet emission standards in exhaust testing, in line with environmental policy requirements.
      Assist in exhaust aftertreatment: Proper fuel injection regulation provides a solid foundation for the vehicle's exhaust aftertreatment system, as the exhaust components entering the aftertreatment device are relatively simple and stable. The purification efficiency of the aftertreatment system is improved, which can better remove residual harmful components. For example, when using urea catalytic reduction of NOx, the high-pressure common rail optimized combustion reduces the initial NOx emissions and reduces the burden on the urea injection system.
4. Adapt to different working conditions
     Cold start optimization: In cold weather, it is difficult to start the engine cold. The high-pressure common rail system can inject a small amount of fuel in advance to preheat and vaporize it in the low-temperature cylinder, helping the mixture to form faster and enabling the engine to start more smoothly and quickly, avoiding long-term ignition and battery depletion.
     Plateau adaptability: When vehicles travel to high-altitude areas with thin air, traditional engines are prone to problems such as insufficient power and incomplete combustion. The high-pressure common rail components can sense environmental changes in real time, adaptively adjust fuel injection parameters, maintain stable engine operation, and ensure normal driving of vehicles in high-altitude areas.