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Electronic control device for a fuel injection system with hydraulically actuated electronically controlled pump / nozzle injection device and method
Electronic control device for a fuel injection system with hydraulically actuated electronically controlled pump / nozzle injection device and method
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机译:具有液压致动电控泵/喷嘴喷射装置的燃油喷射系统的电子控制装置和方法
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摘要
An apparatus and method for sampling the pressure of a hydraulic actuator fluid used in connection with an electronically controlled hydraulic actuator unit injector fuel system is disclosed. The apparatus and method eliminates aliasing and other sampling errors caused by oscillations in the hydraulic actuator fluid pressure. The apparatus and method senses an engine parameter to permit an electronic controller to calculate an injection time and duration for fuel to be delivered to a particular cylinder. The electronic controller issues a driver signal to a hydraulically actuated unit fuel injector. A hydraulic actuator fluid pressure sensor is associated with the pressurized hydraulic actuator fluid. The electronic controller samples the hydraulic actuator fluid pressure sensor in dependence on the issuance of the driver signal.
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