Marine dual-fuel/gas engine multipoint multi-stage injection system
A gas engine and injection system technology, which is applied to combustion engines, machines/engines, internal combustion piston engines, etc. It can improve the accuracy of gas injection control, improve power performance, and improve the uniformity of fuel distribution.
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[0022] Attached below Figure 1-5b The present invention is further described.
[0023] A marine dual-fuel / gas engine gas multi-point multi-stage injection system mainly includes a gas fuel storage and supply system, a gas multi-point multi-stage injection assembly and a control system 16.
[0024] The gas fuel storage and supply system is mainly composed of gas fuel storage device 15, fuel supply pipeline, filter 14, pressure regulating device 12 and switch solenoid valve 13;
[0025] The gas multi-point multi-stage injection assembly is composed of a gas rail pipe 9, a gas pressure stabilizing chamber 8, a gas collector 6 and an air injection valve group 7. The gas rail pipe 9 is fixed on the engine and connected with the gas stabilizing chamber 8. The gas injection valve group 7 is assembled in the gas plenum chamber 8 and installed on the gas collector 6 which is installed on the intake manifold 3 .
[0026] The control system 16 is connected with each gas injection valv...
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