Chroman derivatives
    2.
    发明授权
    Chroman derivatives 失效
    色原衍生物

    公开(公告)号:US6066631A

    公开(公告)日:2000-05-23

    申请号:US232645

    申请日:1999-01-19

    摘要: The present invention relates to chroman derivatives of the formula (I): ##STR1## [wherin R.sup.1 represents a hydrogen atom, a halogen atom, a C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a C.sub.3-6 alkoxymethyl group, etc., R.sup.3 and R.sup.4 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, etc., R.sup.5 represents a hydroxyl group or a C.sub.1-6 alkylcarbonyloxyl group or forms a bond together with R.sup.5, R.sup.6 represents a hydrogen atom or forms a bond together with R.sup.5, R.sup.7 and R.sup.8 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.3-6 cycloalkyl group, a phenyl group, etc. n is 0 or an integer of 1, 2, 3 or 4, W represents a phenyl group, etc., X represents C.dbd.O, CH.sub.2, SO.sub.2, etc., Y represents NR.sup.17 (in which R.sup.17 represents a hydrogen atom, a C.sub.1-4 alkyl group, a phenyl group, etc.), etc., Z does not exist or represents CH.sub.2 or NR.sup.18 (R.sup.18 represents a hydrogen atom, a C.sub.1-4 alkyl group, or a phenyl group, etc.)] or their salts.

    摘要翻译: 本发明涉及式(I)的苯并二氢吡喃衍生物:其中R1表示氢原子,卤素原子,C1-6烷基,C1-6烷氧基,C3-6烷氧基甲基等, R 3和R 4各自独立地表示氢原子,C 1-6烷基等,R 5表示羟基或C 1-6烷基羰氧基,或与R 5一起形成键,R 6表示氢原子或者一起形成键 R5,R7和R8各自独立地表示氢原子,C1-6烷基,C3-6环烷基,苯基等,n为0或1,2,3或4的整数,W表示 苯基等,X表示C = O,CH 2,SO 2等,Y表示NR 17(其中R 17表示氢原子,C 1-4烷基,苯基等)等, Z不存在或表示CH2或NR18(R18表示氢原子,C1-4烷基或苯基等)]或其盐。

    Piston ring
    7.
    发明授权
    Piston ring 有权
    活塞环

    公开(公告)号:US09347559B2

    公开(公告)日:2016-05-24

    申请号:US14129050

    申请日:2012-06-21

    摘要: A high-thermal-conductivity piston ring having excellent scuffing resistance and wear resistance, which can be used in a high-heat-load environment in engines is provided. Also, to provide a piston ring with low friction for contributing to the improvement of fuel efficiency, a TiN coating as thick as 10-60 μm, in which the texture coefficient of a (111) plane is 1.2-1.65 in X-ray diffraction on the coating surface, with the texture coefficient of a (111) plane>the texture coefficient of a (220) plane>the texture coefficient of a (200) plane, is formed under the optimized ion plating conditions on a peripheral surface of the piston ring. Further, to obtain excellent sliding characteristics with low friction without losing excellent thermal conductivity of TiN, a hard amorphous carbon coating is formed on the TiN coating.

    摘要翻译: 提供了可用于发动机的高热负荷环境中的具有优异的耐擦伤性和耐磨性的高导热性活塞环。 此外,为了提供具有低摩擦力的活塞环以有助于提高燃料效率,TiN涂层厚度为10-60μm,其中(111)面的织构系数在X射线衍射中为1.2-1.65 在涂层表面上,在优化的离子镀条件下,在(111)面的纹理系数>(220)面的织构系数>(200)面的织构系数上形成在 活塞环。 此外,为了在不损失TiN的优异导热性的情况下以低摩擦获得优异的滑动特性,在TiN涂层上形成硬的无定形碳涂层。

    PISTON RING
    8.
    发明申请
    PISTON RING 有权
    活塞环

    公开(公告)号:US20140137733A1

    公开(公告)日:2014-05-22

    申请号:US14129022

    申请日:2012-06-21

    IPC分类号: F02F5/00

    摘要: To provide a high-thermal-conductivity piston ring having excellent scuffing resistance and wear resistance, which can be used in a high-heat-load environment in engines, a TiN coating as thick as 10-60 μm, in which the texture coefficient of a (220) plane is 1.1-1.8 in X-ray diffraction on the coating surface, larger than those of (111) and (200) planes, is formed under the optimized ion plating conditions on a peripheral surface of the piston ring. Also, to obtain excellent sliding characteristics with low friction without losing excellent thermal conductivity of TiN, a hard amorphous carbon coating is formed on the TiN coating.

    摘要翻译: 为了提供可用于发动机的高热负荷环境中的具有优异的抗划伤性和耐磨性的高导热性活塞环,厚度为10-60μm的TiN涂层,其中织构系数 在优选的离子镀条件下,在活塞环的周面上形成涂层表面的X射线衍射中的(220)面为1.1〜1.8,大于(111)面和(200)面的X射线衍射面。 另外,为了在不损失TiN的优异导热性的情况下以低摩擦力获得优异的滑动特性,在TiN涂层上形成硬质无定形碳涂层。