The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
3
采用超磁致伸缩材料作为阀芯的高频响应元件，及精心设计的阀驱动电路，以提高电磁阀的响应频率；
Response frequency is increased by giant magnetostrictive material as valve core component and elaborate designed drive circuit.
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