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公开(公告)号:US06626151B2
公开(公告)日:2003-09-30
申请号:US10030635
申请日:2002-04-15
IPC分类号: F02M5946
CPC分类号: F02M63/0017 , F02M59/34 , F02M63/004 , F02M63/0225
摘要: A fuel injection system for internal combustion engines, has a distributor tube and a high-pressure pump which is driven as a function of engine rpm and serves to generate the fuel pressure and fuel throughput required in the distributor tube in the applicable operating state of the engine, and also has a fuel metering unit, which is assigned to the high-pressure pump and is based on an electromagnetically actuated regulating valve. The fuel metering unit is disposed in the high-pressure pump, and the outlet of the regulating value discharges into the low-pressure region of the high-pressure pump. The inlet of the regulating valve communicates with the compression side of a prefeed pump. The regulating valve has a valve piston, which is actuated—into the opening position—by a compression spring and which is actuatable counter to the spring force—into the closing position—by an armature bolt of the electromagnet. Valve piston has at least one and preferably more radial control openings, which are in operative communication with the intake side of the high-pressure pump.
摘要翻译: 用于内燃机的燃料喷射系统具有分配管和高压泵,其作为发动机转速的函数驱动,并用于在适用的运行状态下产生分配器管中所需的燃料压力和燃料生产量 发动机,并且还具有燃料计量单元,其被分配给高压泵并且基于电磁致动的调节阀。 燃料计量单元设置在高压泵中,调节值的出口排出到高压泵的低压区域。 调节阀的入口与预制泵的压缩侧连通。 调节阀具有阀活塞,该活塞通过压缩弹簧致动到打开位置,并且可通过电磁体的电枢螺栓与弹簧力相反地进入关闭位置。 阀活塞具有至少一个并且优选地具有更多的径向控制开口,其与高压泵的吸入侧操作连通。
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公开(公告)号:US20120239278A1
公开(公告)日:2012-09-20
申请号:US13496848
申请日:2010-08-23
申请人: Thomas Becker , Egbert Fuchs , Felix Landhaeusser , Holger Rapp , Thomas Gann , Ralph Kober
发明人: Thomas Becker , Egbert Fuchs , Felix Landhaeusser , Holger Rapp , Thomas Gann , Ralph Kober
IPC分类号: F02D41/30
CPC分类号: F02D41/20 , F02D41/247 , F02D41/40 , F02D2041/2055 , Y02T10/44
摘要: A method for operating a valve actuated with the aid of an actuator, in particular, an injection valve of an internal combustion engine of a motor vehicle, where the actuator is activated using an activation signal characterizing a desired opening duration of the valve. The activation signal characterizing the desired opening duration is corrected as a function of a valve delay time, in order to obtain a corrected activation signal for activating the actuator; the valve delay time representing a temporal deviation between the activation signal and an actual change of an operating state of at least one component of the valve, in particular, of the valve element of an electromagnetic actuator, or of a valve needle.
摘要翻译: 一种用于操作通过致动器致动的阀的方法,特别是机动车辆的内燃机的喷射阀,其中使用表征阀的期望打开持续时间的激活信号激活致动器。 表征期望的打开持续时间的激活信号被校正为阀延迟时间的函数,以便获得用于激活致动器的校正的激活信号; 阀延迟时间表示激活信号与阀的至少一个部件,特别是电磁致动器的阀元件或阀针的至少一个部件的操作状态的实际变化之间的时间偏差。
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