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    • 22. 发明授权
    • Variable valve operating system for internal combustion engine
    • 内燃机变阀操作系统
    • US06877466B2
    • 2005-04-12
    • US10780656
    • 2004-02-19
    • Shigeki ShindouMasaki ToriumiYusuke Takagi
    • Shigeki ShindouMasaki ToriumiYusuke Takagi
    • F01L1/34F01L13/00F02B75/22F02D13/02
    • F01L13/0036F01L1/024F01L1/34F01L2001/0537F01L2800/00F02B75/22
    • A variable valve operating system for a two-bank engine includes a variable valve-lift and working-angle control mechanism changing at least one of a valve lift and a working angle of each of engine valves arranged in each of cylinder banks, and two variable valve timing control mechanisms provided for each of the banks for changing valve timings independently of each other. A control unit responds a failure in one of the variable valve timing control mechanisms for failsafe purposes. The control unit includes a failsafe section capable of executing a failsafe operating mode in which at least one of the valve lift and the working angle of each of engine valves is increasingly compensated for by the variable valve-lift and working-angle control mechanism, when the one variable valve timing control mechanism is failed.
    • 用于双排发动机的可变气门操作系统包括可变气门升程和工作角度控制机构,其改变布置在每个气缸组中的每个发动机气门的气门升程和工作角度中的至少一个, 为每个组提供的气门正时控制机构用于彼此独立地改变气门正时。 控制单元在故障安全目的的可变气门正时控制机构之一中作出故障。 控制单元包括能够执行故障保护操作模式的故障保护部分,其中通过可变气门升程和工作角度控制机构来逐渐补偿每个发动机气门的气门升程和工作角度中的至少一个, 一个可变气门正时控制机构失效。