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    • 2. 发明申请
    • Oil control ring for pistons of internal combustion engines
    • 内燃机活塞控油环
    • US20070080502A1
    • 2007-04-12
    • US10578121
    • 2004-10-28
    • Holger FranzMartin Strauss
    • Holger FranzMartin Strauss
    • F16J9/06
    • F16J9/062
    • The invention relates to an oil control ring (10) for pistons of internal combustion engines. The aim of the invention is to provide an improved shape-adaptation capacity in comparison to prior art, with a tangential force that enables the ring to guarantee low friction and also low oil consumption during the operation of the engine. To achieve this, the inventive oil control ring comprises a solid bearing surface (13) that lies against the cylinder wall, in addition to parallel ring flanks (11a, 11c), between which a radial recess (12a) that runs around the periphery is configured in the rear (12) of the ring, said recess being designed to receive a coil spring (M). The peripheral region of the ring flanks is provided with undulating end faces (12b, 12c) that face towards the rear of the ring. Said undulating end faces (12b, 12c) of the upper and lower ring flanks (11a, 11c) are offset out of phase with one another.
    • 本发明涉及一种用于内燃机活塞的油控制环(10)。 本发明的目的是提供与现有技术相比改进的形状适配能力,其具有使得环能够保证低摩擦力和在发动机操作期间的低油耗的切向力。 为了实现这一点,本发明的油控制环除了平行的环形侧面(11a,11c)之外还包括一个位于气缸壁上的固体轴承表面(13),在其间形成有径向凹槽(12a) 所述周边配置在所述环的后部(12)中,所述凹部设计成容纳螺旋弹簧(M)。 环形侧面的周边区域设置有面向环的后部的起伏端面(12b,12c)。 上环和下环侧面(11a,11c)的所述起伏端面(12b,12c)彼此相位偏移。
    • 7. 发明授权
    • Oil control ring for pistons of internal combustion engines
    • 内燃机活塞控油环
    • US07306234B2
    • 2007-12-11
    • US10578121
    • 2004-10-28
    • Holger FranzMartin Strauss
    • Holger FranzMartin Strauss
    • F16J9/12F02F5/00
    • F16J9/062
    • The invention relates to an oil control ring for pistons of internal combustion engines. The aim of the invention is to provide an improved shape-adaptation capacity in comparison to prior art, with a tangential force that enables the ring to guarantee low friction and also low oil consumption during the operation of the engine. To achieve this, the inventive oil control ring comprises a solid bearing surface that lies against the cylinder wall, in addition to parallel ring flanks, between which a radial recess that runs around the periphery is configured in the rear of the ring, said recess being designed to receive a coil spring. The peripheral region of the ring flanks is provided with undulating end faces that face towards the rear of the ring. Said undulating end faces of the upper and lower ring flanks are offset out of phase with one another.
    • 本发明涉及一种用于内燃机活塞的油控环。 本发明的目的是提供一种改进的形状适配能力,与现有技术相比,具有使得环能保证低摩擦力和在发动机操作期间的低油耗的切向力。 为了实现这一点,本发明的油控制环除了平行的环形侧面之外还包括一个靠在气缸壁上的固体轴承表面,在其之间围绕周边延伸的径向凹槽构造在环的后部,所述凹槽是 设计用于接收螺旋弹簧。 环形侧面的周边区域设置有朝向环的后部的起伏端面。 上环和下环侧面的所述起伏端面彼此偏离异相。