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Oil pump working principle of the nozzle test rig
From: Taian Haishu Machinery Co.,Ltd. Updatetime: 2015-10-26 15:33:20 Hits:
Common rail diesel engine fuel injection system has a common characteristic, is to have a common high pressure fuel gathering, referred to as the common rail. For high pressure oil pump only responsible for the high pressure fuel, it provides to the gathering is not responsible for the control of fuel quantity and injection timing. Management of fuel pressure and the task of sending fuel to each cylinder through common rail. In this way, the fuel injection process can produce no pressure and fuel transfer process of traction; Quantitative control and fuel injection timing control can be more flexible and free. Common rail fuel injection system has the following characteristics: in terms of fuel quantity and injection timing for an electronic and flexible control; The fuel injection law curve shape can be freely adjusted. Can realize each work cycle up to seven times fuel injection; A high degree of compactness and low high pressure oil pump drive torque. The future development trend is considerable! System takes advantage of the fuel pump control valve change for high pressure oil pump the oil to control common rail pressure, according to the common rail pressure
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