Diesel-alternative fuel hybrid combustion engine control method
An alternative fuel and engine technology, applied in engine control, combustion engine, fuel injection control, etc., can solve problems such as difficult calibration, high cost of electronically controlled oil pump rack actuators, and unfavorable market promotion.
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[0012] Below in conjunction with accompanying drawing, illustrate the implementation of the present invention with 6-cylinder diesel-natural gas dual-fuel engine system.
[0013] Install exhaust temperature sensor (3), wide-area oxygen sensor (4), blending ratio information display screen (5), natural gas injection controller, high-pressure diesel pump rack displacement sensor on the original mechanical high-pressure fuel pump diesel engine ( 7) The natural gas injector forms the basic diesel-natural gas dual-fuel engine system.
[0014] The high-pressure diesel pump rack is mechanically connected to the accelerator pedal of the vehicle. When the driver depresses the accelerator pedal, the engine is out of idle speed, and the oil pump rack is displaced to So, the natural gas injection controller drives the natural gas injector to inject natural gas into the intake pipe according to curve 10, and the engine output torque (vehicle speed) increases at this time. If the increase ...
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