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    • 6. 发明授权
    • Fuel pump drive system
    • 燃油泵驱动系统
    • US07743749B1
    • 2010-06-29
    • US12506558
    • 2009-07-21
    • Tom SucheckiDavid E. Masser
    • Tom SucheckiDavid E. Masser
    • F02M37/04F01L1/34
    • F02M37/04F01L1/022F01L1/026F01L1/344F01L1/46F01L2001/0537F01L2001/34496F02M39/02F02M59/02F02M69/045
    • A fuel pump drive system is provided. A system for an engine driven by an engine crankshaft may include a first variable cam device including a first hydraulic actuator, and a second variable cam device including a second hydraulic actuator. The system may further include an intermediate power transfer mechanism coupled between the first variable cam device and the second variable cam device upstream, in a direction of power flow from the engine crankshaft, of the first hydraulic actuator and the second hydraulic actuator. The system may further include an auxiliary device coupled to and driven by the intermediate power transfer mechanism. In this way, because the auxiliary device is driven via the intermediate power transfer mechanism and thus derives its power from upstream of the hydraulic actuator of the variable cam device, the actuator can be adjusted without having to overcome resistance torque of the auxiliary device.
    • 提供燃油泵驱动系统。 用于由发动机曲轴驱动的发动机的系统可以包括包括第一液压致动器的第一可变凸轮装置和包括第二液压致动器的第二可变凸轮装置。 该系统还可以包括在第一可变凸轮装置和第二可变凸轮装置之间在第一液压致动器和第二液压致动器的来自发动机曲轴的动力方向上游的中间动力传递机构。 该系统还可以包括耦合到中间功率传递机构并由其驱动的辅助装置。 这样,由于通过中间动力传递机构驱动辅助装置,从而从可变凸轮装置的液压致动器的上游导出辅助装置的动力,所以可以调节致动器而不必克服辅助装置的阻力矩。