Strategies of the Development of Common Rail High-pressure Pump for Meeting China Stage IV and Above Emission Regulations

The technique development strategies of the common rail supply pump for fulfilling the China Stage Ⅳ and more stringent emission regulations was introduced,the main technical trends of the China Stage IV diesel engine and the corresponding countermeasures of the common rail supply pump was analyzed,and then the key parameters like the basic structure and the fuel controlled methods of the common rail supply pump were detailed introduced.