National Six Emissions Standard Upgrades Cummins High Pressure Fuel Injection System to Boost Engine Dynamic Performance

The upgrade of the national six emission standards is undoubtedly a challenge for the various performances of the engine . If the engine is equivalent to the "heart" of the vehicle, then the high pressure common rail system is equivalent to the "heart" of the engine. As a core component of the engine, the high-pressure common rail system plays an important role in the engine's power, fuel economy and emissions.

The Ultra High Pressure Fuel Injection (XPI) system for Cummins mid-heavy engines can easily handle emissions upgrades while maintaining superior power and fuel economy.

Cummins XPI fuel injection system

Let everyone take a look at the advantages of the Cummins XPI fuel injection system!

Ultra high pressure injection for more complete combustion

The XPI fuel injection system can easily reach 2000 bar injection pressure, and the ultra-high injection pressure can better atomize the fuel, make the combustion more complete and significantly reduce fuel consumption. At the same time, its unique internal design structure can help reduce the oil pressure of the injector, so that the injector can achieve the spray atomization effect under the pressure of other injectors with smaller rail pressure, and has better fuel economy.

Ultra high pressure jet

Unique pressure maintaining technology, low fuel consumption

The system uses Leakless pressure-preserving technology to help improve engine start-up performance, achieve more precise oil control, and improve combustion efficiency. Its characteristics of no fuel injection and no oil return can effectively reduce the energy loss of the fuel system and improve engine efficiency. At the same time, the internal clearance design of the injector is more reasonable, and it has a larger internal cavity volume, which can effectively reduce the risk of stuck and bring More stable diesel injection performance.

Closed loop control system, high precision

In terms of accuracy, the XPI fuel injection system uses a closed-loop control system with full life cycle self-learning and compensation capabilities. After the fuel injection system and engine body wear, the fuel system and fuel injection timing are corrected to continuously optimize the entire system. The fuel injection behavior maintains high-precision fuel injection to ensure efficient engine power and performance throughout the life cycle.

Modular design, stable and reliable

High-pressure, corrosion-resistant raw materials and modular design are important factors for the stability and reliability of the XPI series. The modular design not only enables the product to be streamlined and stable, but also helps reduce end-user maintenance costs.

Reading volume: Source: Cummins China Author: Yue Feng

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