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Device and method for regulating pressure in accumulator injection systems with an electromagnetically actuated pressure actuator
Device and method for regulating pressure in accumulator injection systems with an electromagnetically actuated pressure actuator
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机译:用电磁致动的压力致动器调节蓄能器喷射系统中压力的装置和方法
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摘要
A device for regulating a pressure in a high pressure accumulator of a fuel injection system includes a pressure adjusting element which has a shut-off element and an electromagnetic drive actuating the shut-off element. A first regulating device is connected to the pressure adjusting element and compares a pressure value obtained in the high pressure accumulator with a given setpoint pressure value. A drive signal with a setpoint current value for the electromagnetic drive is determined as a function of the comparison. A second regulating device is connected downstream of the first regulating device for comparing a current value of a current flowing through the electromagnetic drive with the setpoint current value and readjusting the current value in response to a deviation between the current value and the setpoint current value. A method for regulating a pressure in a high pressure accumulator is also provided.
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