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公开(公告)号：EP1088136A2
公开(公告)日：2001-04-04
申请号：EP99908502.0
申请日：1999-02-25
IPC分类号： E02F1/00
CPC分类号： F02D1/183 , F02M41/1416
摘要： A control system for a rotary fuel injection pump (56) which has a timer piston (62), controlled by an timer motor (64), for adjusting the injection timing of the pump. The timer piston includes a housing containing a volume of hydraulic fluid which subjected to a pressure pulse having a peak pressure during each pumping event. A pressure transducer (70) mounted to the timer piston housing is responsive to the pressure of the hydraulic fluid and provides a pressure signal output indicative of the pressure of the hydraulic fluid. An engine controller (82) has a signal input portion in electrical communication with a top dead center detector (76), the pressure transducer (70), an engine control portion in electrical communication with the signal input portion, and the timer control motor (64). The signal input portion of the engine controller includes a cam position detection section, a pump speed detection section, and a delivered fuel detection section.
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