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INJECTION CONTROL UNIT AND METHOD FOR CONTROLLING A FUEL INJECTION MEANS OF A DIESEL ENGINE DURING MIXED OPERATION WITH A DIESEL-GAS FUEL MIXTURE
INJECTION CONTROL UNIT AND METHOD FOR CONTROLLING A FUEL INJECTION MEANS OF A DIESEL ENGINE DURING MIXED OPERATION WITH A DIESEL-GAS FUEL MIXTURE
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机译:与柴油-汽油混合物混合运行期间柴油发动机的燃油喷射装置的喷射控制单元和方法
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摘要
According to the invention, an injection control unit for permitting retroactive conversion of a diesel engine to diesel-gas mixed operation comprises the control of a fuel injection means of an engine, said engine being controlled by way of coils or piezo injectors, during operation with, for example, natural gas as gaseous fuel, comprises an electrical dummy load which simulates the fuel injection device, and comprises a processor device. The processor device is configured so as to generate the diesel injection control signal and the gas injection control signal independently of the original injection control signal output by the vehicle, to vary said diesel injection control signal and gas injection control signal in terms of length and time, and if required to cancel injection signals or shift injection signals in an advancing or retarding direction, wherein the processor device coordinates the diesel injection control signal and the gas injection control signal with one another, and here, modifies the diesel injection control signal in relation to the injection control signal at least when, at the second outlet port, the gas injection control signal is output for the purposes of operating the diesel engine in mixed operation with gaseous fuel.
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