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    • 9. 发明授权
    • Method of affecting mixture formation and charge motion in an engine cylinder
    • 影响发动机气缸中混合物形成和充气运动的方法
    • US06182621B2
    • 2001-02-06
    • US09123578
    • 1998-07-28
    • Wolfgang SalberThomas Esch
    • Wolfgang SalberThomas Esch
    • F02B2908
    • F02D13/0226F01L9/04F02B29/08F02D13/0253F02D13/0273Y02T10/146Y02T10/18
    • A method of affecting a mixture formation and motion of a charge in a cylinder of an externally ignited internal-combustion engine during a suction cycle of a gas intake valve of the cylinder. The suction cycle has a first cycle portion and a second cycle portion; the second cycle portion constitutes an end portion (leading and/or trailing end portion) of the suction cycle. The gas intake valve has, during the first suction cycle, a first open position at full valve stroke in which the gas intake valve has a fully open cross-sectional flow passage area. The method includes the step of maintaining the gas intake valve in a second open position at a partial stroke of the gas intake valve during the second cycle portion. The partial stroke is less than one half of the full stroke, and in the second open position the gas intake valve has a partially open cross-sectional flow passage area. The method further includes the step of maintaining the gas intake valve in the first open position during the first cycle portion.
    • 一种在气缸的进气阀的吸入循环期间影响外部点燃的内燃机的气缸中的混合物形成和运动的方法。 抽吸循环具有第一循环部分和第二循环部分; 第二循环部分构成吸入循环的端部(前端部和后端部)。 在第一抽吸循环期间,进气门在全阀行程处具有第一打开位置,其中进气阀具有完全敞开的横截面流动通道区域。 该方法包括在第二循环部分期间将进气门维持在进气阀部分行程的第二打开位置的步骤。 部分行程小于全行程的一半,而在第二打开位置,进气阀具有部分开放的横截面流动通道面积。 该方法还包括在第一循环部分期间将进气阀保持在第一打开位置的步骤。
    • 10. 发明授权
    • Electromagnetic actuator with impact damping
    • 具有冲击阻尼的电磁执行器
    • US6003481A
    • 1999-12-21
    • US68083
    • 1998-08-04
    • Franz PischingerMartin PischingerThomas EschGuenter Schmitz
    • Franz PischingerMartin PischingerThomas EschGuenter Schmitz
    • F01L9/04
    • F01L9/04
    • An electromagnetic actuator for actuating a gas-exchange valve in a reciprocating internal combustion engine, the electromagnetic actuator comprising: an armature which is operatively connected to the gas-exchange valve; two electromagnets, each having a pole face; two oppositely oriented restoring springs; wherein the armature is guided in a reciprocating manner counter to the force of the two oppositely oriented restoring springs between the pole faces of the two electromagnets whose current supply can be controlled by a control device, the two electromagnets being disposed in mutual spacing and acting as opening and closing devices; and at least one additional mass which is associated with the gas-exchange valve and can be guided so that it is movable relative thereto and in the same direction of the gas-exchange valve, the at least one additional mass entering into operative connection with the gas-exchange valve, in the final phase of the armature's motion in the direction of a respective one of the two electromagnets, via a coupler.
    • PCT No.PCT / EP97 / 04565 Sec。 371日期:1998年8月4日 102(e)日期1998年8月4日PCT 1997年8月22日PCT公布。 WO98 / 10175 PCT出版物 日期1998年3月12日,一种用于致动往复式内燃机中的气体交换阀的电磁致动器,该电磁致动器包括:可操作地连接到气体交换阀的电枢; 两个电磁铁,各有一个极面; 两个相对定向的复原弹簧; 其中电枢以往复方式被引导,与两个电磁体的极面之间的两个相对定向的复位弹簧的力相反,电磁铁的电流可由控制装置控制,两个电磁铁相互间隔设置, 开闭装置; 以及与气体交换阀相关联的至少一个附加质量块,并且可以被引导以使得其相对于其移动并沿气体交换阀的相同方向移动,所述至少一个附加质量体与 在两个电磁体中的相应一个方向上的电枢运动的最后阶段中,通过耦合器。