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    PISTON RING
    1.
    发明申请
    PISTON RING 审中-公开
    活塞环

    公开(公告)号：US20150176710A1

    公开(公告)日：2015-06-25

    申请号：US14125310

    申请日：2013-04-24

    Applicant: KABUSHIKI KAISHA RIKEN

    Inventor： Hayato Sasaki ,  Takashi Ono

    IPC: F16J9/26

    CPC classification number: F16J9/26

    Abstract: A piston ring that can maintain an excellent aluminum adhesion prevention effect over a long period in a high output engine is provided. One aspect of a piston ring according to the present invention is a piston ring in which at least one of upper and lower surfaces is covered with a resin-based film containing a plate-like filler, wherein the plate-like filler contains at least one of a group selected from alumina, silicon carbide, silicon nitride, and boron nitride.

    Abstract translation: 提供一种能够在高输出引擎中长时间保持优异的铝粘合防止效果的活塞环。 根据本发明的活塞环的一个方面是活塞环，其中上表面和下表面中的至少一个被含有板状填料的树脂基膜覆盖，其中板状填料含有至少一个 的选自氧化铝，碳化硅，氮化硅和氮化硼的基团。

    Piston ring
    2.
    发明授权
    Piston ring 有权
    活塞环

    公开(公告)号：US09285032B2

    公开(公告)日：2016-03-15

    申请号：US14432238

    申请日：2013-10-02

    Applicant: KABUSHIKI KAISHA RIKEN

    Inventor： Hayato Sasaki ,  Takashi Ono ,  Toshikatsu Hayashi ,  Kouhei Sugimoto

    IPC: F02F5/00 ,  F16J9/28 ,  F16J9/22 ,  F16J9/26 ,  F16J9/12

    CPC classification number: F16J9/28 ,  F02F5/00 ,  F16J9/12 ,  F16J9/22 ,  F16J9/26

    Abstract: Disclosed is a piston ring that, in an engine where high temperature is reached in the vicinity of the piston ring, is capable of sustaining an excellent effect of preventing aluminum cohesion over a prolonged period of time. The piston ring having a resin-based coating formed on at least one of an upper surface and a lower surface of a piston ring body, the resin-based coating including a first resin-based coating containing plate-like filler having a mean particle diameter of 2 μm to 20 μm and an aspect ratio of 20 to 200 and a second resin-based coating located under the first resin-based coating and containing hard particles having a mean particle diameter of 0.01 μm to 1 μm.

    Abstract translation: 公开了一种活塞环，在活塞环附近达到高温的发动机中，能够在长时间内保持良好的铝凝聚力的效果。 所述活塞环具有在活塞环主体的上表面和下表面中的至少一个上形成的树脂基涂层，所述树脂基涂层包括含有平板粒径的板状填料的第一树脂基涂料 2μm〜20μm，纵横比为20〜200，第2树脂系涂料位于第1树脂系涂料的下方，含有平均粒径为0.01μm〜1μm的硬质粒子。

    PISTON RING
    4.
    发明申请
    PISTON RING 有权
    活塞环

    公开(公告)号：US20140225329A1

    公开(公告)日：2014-08-14

    申请号：US14233389

    申请日：2012-10-29

    Applicant: KABUSHIKI KAISHA RIKEN

    Inventor： Toshikatsu Hayashi ,  Kouhei Sugimoto ,  Yoshinari Watanabe ,  Hayato Sasaki

    IPC: F16J9/26

    CPC classification number: F16J9/26 ,  C08K3/041 ,  C08K7/04 ,  C08K2201/016 ,  C09D5/00 ,  C09D7/70 ,  C09D179/08 ,  F02F5/00 ,  C08K7/24

    Abstract: [OBJECT]To provide a piston ring which, when used in a high-output engine, can sustain an excellent effect of suppressing aluminum adhesion, over a long period.[SOLUTION MEANS]Either or both the upper and lower sides of the piston ring are covered with a resin-based film containing a fibrous filler with a mean fiber diameter of 50 to 500 nm and an aspect ratio of 30 to 500. The fibrous filler content is 0.5 to 10 vol % with respect to the total resin-based film. Also, the fibrous filler used is at least one type from among carbon fibers, silica fibers and boron nitride fibers.

    Abstract translation: [目的]提供一种活塞环，其在高输出发动机中使用时能够长时间保持抑制铝附着的良好效果。 [解决方案]活塞环的上侧和下侧之一或两者均被含有平均纤维直径为50至500nm，纵横比为30至500的纤维填料的树脂基膜覆盖。纤维填料 含量相对于总树脂系膜为0.5〜10体积％。 此外，所使用的纤维填料是碳纤维，二氧化硅纤维和氮化硼纤维中的至少一种。

    Piston ring for internal combustion engine
    5.
    发明授权
    Piston ring for internal combustion engine 有权

    公开(公告)号：US09920836B2

    公开(公告)日：2018-03-20

    申请号：US15030123

    申请日：2014-10-16

    Applicant: KABUSHIKI KAISHA RIKEN

    Inventor： Hayato Sasaki ,  Takashi Ono ,  Yongtie Yan

    IPC: F16J9/26 ,  F16J9/22 ,  F16J9/28

    CPC classification number: F16J9/22 ,  F16J9/26 ,  F16J9/28

    Abstract: Provided is a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under conditions with high temperature and a high load and also suppressing the wearing of a piston member. A piston ring 1 for the internal combustion engine including a piston ring body 11 having at least one of an upper side face and a lower side face coated with an aluminum cohesion resistance film 12, wherein the aluminum cohesion resistance film 12 has a first coating film 12a made of first ceramics material formed on the piston ring body and a second coating film having Vickers hardness HV smaller than that of the first ceramics material formed on the first coating film 12a.

    PISTON RING
    7.
    发明申请
    PISTON RING 有权
    活塞环

    公开(公告)号：US20150226327A1

    公开(公告)日：2015-08-13

    申请号：US14432238

    申请日：2013-10-02

    Applicant: KABUSHIKI KAISHA RIKEN

    Inventor： Hayato Sasaki ,  Takashi Ono ,  Toshikatsu Hayashi ,  Kouhei Sugimoto

    IPC: F16J9/28 ,  F16J9/12 ,  F16J9/26

    CPC classification number: F16J9/28 ,  F02F5/00 ,  F16J9/12 ,  F16J9/22 ,  F16J9/26

    Abstract: Disclosed is a piston ring that, in an engine where high temperature is reached in the vicinity of the piston ring, is capable of sustaining an excellent effect of preventing aluminum cohesion over a prolonged period of time. The piston ring having a resin-based coating formed on at least one of an upper surface and a lower surface of a piston ring body, the resin-based coating including a first resin-based coating containing plate-like filler having a mean particle diameter of 2 μm to 20 μm and an aspect ratio of 20 to 200 and a second resin-based coating located under the first resin-based coating and containing hard particles having a mean particle diameter of 0.01 μm to 1 μm.

    Abstract translation: 公开了一种活塞环，在活塞环附近达到高温的发动机中，能够在长时间内保持良好的铝凝聚力的效果。 所述活塞环具有在活塞环主体的上表面和下表面中的至少一个上形成的树脂基涂层，所述树脂基涂层包括含有平板粒径的板状填料的第一树脂基涂料 2μm〜20μm，纵横比为20〜200，第2树脂系涂料位于第1树脂系涂料的下方，含有平均粒径为0.01μm〜1μm的硬质粒子。

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