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PRESSURE ACCUMULATOR DEVICE FOR A MOTOR VEHICLE FUEL INJECTION SYSTEM, AND METHOD FOR OPERATING A PRESSURE ACCUMULATOR DEVICE OF SAID TYPE
PRESSURE ACCUMULATOR DEVICE FOR A MOTOR VEHICLE FUEL INJECTION SYSTEM, AND METHOD FOR OPERATING A PRESSURE ACCUMULATOR DEVICE OF SAID TYPE
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机译:用于机动车燃料喷射系统的压力蓄能器装置,以及用于操作所述类型的压力蓄能器装置的方法
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摘要
An electrically driven solenoid coupled to a spring-operated valve, regulates pressure in an accumulator by opening when a predefined threshold pressure in a pressure accumulator is exceeded. The solenoid provides an assistive force to a spring-closed valve, reducing the amount of pressure required to open the valve responsive to the amount of current provided to the solenoid. The threshold pressure at which the valve opens is thus determined by the amount of current provided to the solenoid. Increasing the current decreases the threshold pressure; decreasing the current increases the threshold pressure.
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