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    • 4. 发明授权
    • Valve operating system structure with variable valve timing mechanism
    • 阀门操作系统结构采用可变气门正时机制
    • US5353756A
    • 1994-10-11
    • US92439
    • 1993-07-14
    • Shinichi MurataNoriyuki MiyamuraHirofumi HigashiMasahiko Kubo
    • Shinichi MurataNoriyuki MiyamuraHirofumi HigashiMasahiko Kubo
    • F01L1/24F01L1/26F01L1/34F01L1/32
    • F01L1/2416F01L1/267
    • The valve operating system structure with a variable valve timing mechanism of the invention comprises an intake valve or an exhaust valve provided for an engine, a low speed cam having a cam profile for a low speed valve timing and rotatable in response to rotation of a crankshaft of the engine, a high speed cam having a cam profile for a high speed valve timing and rotatable in response to rotation of the crankshaft, a main rocker arm for contacting with the low speed cam so as to be operated by the low speed cam, a sub rocker arm for contacting with the high speed cam so as to be operated by the high speed cam, mode change-over means for changing over the mode of the sub rocker arm between a non-interlocking mode in which the sub rocker arm is not interlocked with the main rocker arm and an interlocking mode in which the sub rocker arm is interlocked with the main rocker arm, a swing arm supported for pivotal motion and for adjustment in phase relative to the main rocker arm and having a valve contacting portion for contacting with the valve to drive the valve, and a hydraulic lash adjuster for adjusting the relative phase between the main rocker arm and the swing arm.
    • 具有本发明的可变气门正时机构的气门操作系统结构包括为发动机提供的进气门或排气阀,具有用于低速气门正时的凸轮轮廓的低速凸轮,并响应于曲轴的旋转而可旋转 的高速凸轮,具有用于高速气门正时的凸轮轮廓并响应于曲轴的旋转而可旋转的高速凸轮,用于与低速凸轮接触以由低速凸轮操作的主摇臂, 用于与高速凸轮接触以便由高速凸轮操作的子摇臂,用于在副摇臂的非互锁模式之间切换副摇臂的模式的模式切换装置 不与主摇臂互锁,以及联锁模式,其中副摇臂与主摇臂互锁,支撑枢轴运动并相对于主摇臂相位调节的摇臂和hav 阀门接触部分用于与阀门接触以驱动阀门;以及液压间隙调节器,用于调节主摇臂和摆臂之间的相对相位。
    • 9. 发明授权
    • Valve system for internal combustion engine
    • 内燃机用阀门系统
    • US5445115A
    • 1995-08-29
    • US166362
    • 1993-12-14
    • Shinichi MurataNoriyuki Miyamura
    • Shinichi MurataNoriyuki Miyamura
    • F01L1/18F01L1/26F01L3/10F01L13/00
    • F01L1/181F01L1/267F01L2001/467F01L2105/00
    • A valve system is provided for driving engine valves arranged in an internal combustion engine. The valve system comprises a valve drive arm member pivotally supported on a side of a main body of an engine while being maintained in contact with end portions of the engine valves, a first rocker arm for rocking the valve drive arm member, a second rocker arm for causing the valve drive arm member to undergo rocking at an amplitude greater than rocking by the first rocker arm, and coil springs for urging the engine valves in closing directions, respectively. Each coil spring is interposed between a retainer disposed fixedly on the corresponding engine valve and a cylinder head. Each coil spring is designed to avoid interference with a rocking path of the corresponding rocker arm on a side of the coil spring.
    • 提供一种阀系统,用于驱动布置在内燃机中的发动机气门。 阀系统包括:阀驱动臂构件,其被枢转地支撑在发动机主体的一侧,同时与发动机气门的端部保持接触;第一摇臂,用于摇动阀驱动臂构件;第二摇臂 用于使阀驱动臂构件以大于第一摇臂的摆动的振幅进行摆动,以及用于分别在关闭方向上推压发动机气门的螺旋弹簧。 每个螺旋弹簧介于固定在相应的发动机气门上的保持架和气缸盖之间。 每个螺旋弹簧设计成避免与螺旋弹簧一侧的相应摇臂的摇摆路径的干涉。