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    • 1. 发明公开
    • Valve operating device for use in internal combustion engine
    • 用于内燃机的阀门操作装置
    • EP0332359A1
    • 1989-09-13
    • EP89302186.5
    • 1989-03-03
    • HONDA GIKEN KOGYO KABUSHIKI KAISHA
    • Shirai, HiroshiTatsumi, TakashiKanda, HisashiFukuo, KoichiMotsumoto, MasahikoHiro, Toshiaki
    • F01L1/08
    • F01L1/08
    • A valve operating device for operating an intake or exhaust valve in an internal combustion engine includes a cam C having a cam profile including a valve lifting portion C for applying a force to open the engine valve and a base circle portion Cb for allowing the valve to be opened, the cam profile having a valve opening point P 2 and a valve closing point P 1 between the valve lifting portion and the base circle portion, a cam follower 10 slidably engaging the cam, and a hydraulic lash adjuster 9 combined with the cam follower for eliminating any gap between the means and the engine valve. The base circle portion has a gradient cam surface or a combination of different gradient cam surfaces for canceling out valve-lifting radial displacement of the base circle portion.
    • 用于操作内燃机中的进气门或排气门的气门操作装置包括具有凸轮轮廓的凸轮C,凸轮轮廓包括用于施加打开发动机气门力的气门升程部分C和用于允许气门开启的基圆部分Cb 所述凸轮轮廓具有阀开启点P2和位于所述阀升起部分与所述基圆部分之间的阀关闭点P1,可滑动地接合所述凸轮的凸轮从动件10以及与所述凸轮从动件组合的液压间隙调节器9, 消除装置和发动机气门之间的任何间隙。 基圆部分具有梯度凸轮表面或不同梯度凸轮表面的组合,用于抵消基圆部分的提升阀径向位移。
    • 4. 发明公开
    • Valve operating mechanism of an internal combustion engine
    • 内燃机的气门操作机构
    • EP0276577A1
    • 1988-08-03
    • EP87311505.9
    • 1987-12-29
    • HONDA GIKEN KOGYO KABUSHIKI KAISHA
    • Shibata, MitsuhiroKumagai, KazuhideFukuo, KoichiHiro, ToshiakiMatsumoto, Masahiko
    • F01L13/00F01L31/22F01L1/26F01L1/16F01M9/10
    • F01M1/16F01L1/26F01L1/267F01M9/101F02F1/4214F02F2001/247
    • A valve operating mechanism for an internal combustion engine has a low-speed cam for operating the intake or exhaust valves during low-speed operation of the engine and a high-speed cam for operating the intake or exhaust valves during high-speed operation of the engine. A low-speed lubricating oil passage (25) is provided for supplying lubricating oil to the low-speed cam and a separate high-speed lubricating oil passage (26) is provided for supplying lubricating oil to the high-speed cam. A control valve (56) is connected to said low-speed and high-speed lubricating oil passages for selectively supplying maximum oil pressure to the high-speed lubricating oil passage during high-speed operation while restricting the rate of flow of oil during low-speed operation of the engine and supplying maximum oil pressure to the low-speed lubricating oil passage during low-speed operation of the engine while restricting or eliminating the oil supplied thereto during high-speed operation.
    • 用于内燃机的气门操作机构具有用于在发动机的低速运转期间操作进气门或排气门的低速凸轮和用于在高速运转期间操作进气门或排气门的高速凸轮 发动机。 提供低速润滑油通道(25)用于将润滑油供应到低速凸轮,并且设置单独的高速润滑油通道(26)用于将润滑油供应到高速凸轮。 控制阀(56)连接到所述低速和高速润滑油通道,用于在高速操作期间选择性地向高速润滑油通道提供最大油压同时限制低速和低速期间油的流动速率, 在发动机的低速运转期间向发动机的低速运转供给最大油压,同时在高速运转时限制或排除供给的油。
    • 5. 发明公开
    • Hydraulic circuit of a valve operating timing control device in an internal combustion engine
    • 在einer Brennkraftmaschine的Hydraulikkreislauffüreine Ventilsteuervorrichtung。
    • EP0275715A1
    • 1988-07-27
    • EP87311507.5
    • 1987-12-29
    • HONDA GIKEN KOGYO KABUSHIKI KAISHA
    • Fukuo, KoichiShibata, MitsuhiroHiro, ToshiakiMatsumoto, Masahiko
    • F01L13/00F01L31/22F01L1/26F01M1/16F01M9/10
    • F01M9/10F01L1/26F01L1/267F01M1/16F01M9/101F01M9/102F01M9/108F02F1/4214F02F2001/245
    • A hydraulic circuit of a valve operation timing control device in an internal combustion engine which has a low-speed cam having a shape suited for low-speed operation of the engine, a high-speed cam having a shape suited for high-speed operation of the engine, the low- and high-speed cams being integrally formed on a camshaft rotatable in synchronism with a crankshaft, a first rocker arm held in slidable contact with the low-speed cam, and a second rocker arm held in slidable contact with the high-­speed cam. The first and second rocker arms are adjacent to and in slidable contact with each other and pivotably supported on a rocker shaft for relative angular displacement. There is a first oil feed passage (16) for lubricating the low-speed cam and a second oil feed passage (17) for lubricating the high-speed cam. The first rocker arm has a hydraulic lash adjuster (50) and a relief valve (52) is disposed in the oil passage (48) for supplying oil pressure to said hydraulic lash adjuster (50) for maintaining a predetermined oil pressure on the hydraulic lash adjuster.
    • 一种具有适于发动机低速运转的形状的低速凸轮的内燃机中的气门动作正时控制装置的液压回路,具有适于高速运转的形状的高速凸轮 发动机,低速和高速凸轮一体地形成在与曲轴同步旋转的凸轮轴上,与低速凸轮保持滑动接触的第一摇臂和与所述低速凸轮可滑动接触的第二摇臂 高速凸轮 第一和第二摇臂彼此相邻并且可滑动地接触并且可枢转地支撑在摇臂上用于相对角位移。 存在用于润滑低速凸轮的第一供油通道(16)和用于润滑高速凸轮的第二供油通道(17)。 第一摇臂具有液压间隙调节器(50),并且在所述油通道(48)中设置有安全阀(52),用于向所述液压间隙调节器(50)供应油压,用于在油压间隙上保持预定的油压 调节。