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Internal combustion engine`s e.g. overfed diesel engine, boost pressure controlling method for motor vehicle, involves determining set point value of pressure in upstream of turbine of turbocompressor
Internal combustion engine`s e.g. overfed diesel engine, boost pressure controlling method for motor vehicle, involves determining set point value of pressure in upstream of turbine of turbocompressor
The method involves determining a set point value of a pressure in upstream of a turbine (8) of a turbocompressor (6). The set point value is determined by measuring differential pressure at terminals of a particle filter (20). A difference between the determined set point and a measured pressure in downstream of the turbine is determined, and a derivative of the difference is determined. An independent claim is also included for a vehicle engine comprising a turbocompressor and a boost pressure control device.
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