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1. 发明授权

EP3064810B1 PISTON RING AND ITS PRODUCTION METHOD 有权
标题翻译：活塞环及其生产方法
公开(公告)号：EP3064810B1
公开(公告)日：2018-04-11
申请号：EP14857089.8
申请日：2014-10-27
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei , SEKIYA Takuma
IPC分类号： F16J9/26 , C23C14/06 , C23C14/14 , F02F5/00 , C23C14/16 , C23C28/04 , C23C28/00
CPC分类号： F16J9/26 , C23C14/0641 , C23C14/0664 , C23C14/16 , C23C28/042 , C23C28/044 , C23C28/322 , C23C28/34 , C23C28/343 , C23C28/42
摘要： To provide a hard-amorphous-carbon-coated piston ring having low friction and excellent wear resistance and peeling resistance to reduce the fuel consumption of automobiles, an outer peripheral surface of a steel-made piston ring base material is provided with a primary layer constituted by a CrN/Cr laminate coating or a CrN/TiN laminate coating as thick as 10-60 µm, which is obtained by alternately laminating CrN-type chromium nitride and chromium metal or TiN-type titanium nitride, an intermediate layer of chromium metal and/or titanium metal as thick as 0.05-1.0 µm, and then a hard amorphous carbon coating as thick as 0.4-20 µm.

2. 发明授权

EP2930403B1 PISTON RING 失效
公开(公告)号：EP2930403B1
公开(公告)日：2018-11-21
申请号：EP13860309.7
申请日：2013-12-06
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei
IPC分类号： C23C28/00 , C23C28/04 , F02F5/00 , F16J9/26 , C23C14/06 , C23C14/32
CPC分类号： F16J9/26 , C23C14/0641 , C23C14/325 , C23C28/042 , C23C28/044 , C23C28/42 , F02F5/00
摘要： To provide a piston ring having a hard laminate coating for excellent scuffing resistance, wear resistance and peeling resistance, which can be used in an environment of high mechanical and thermal load in engines, the piston ring is provided with a hard laminate coating as thick as 10-60 µm on its outer peripheral surface, the laminate coating being formed by alternately laminating two types or more of layers made of different compounds, each of the compound layers being made of nitride of at least one metal selected from the group consisting of Ti, Cr, Zr, V, Hf and Al.

3. 发明公开

EP2725265A1 PISTON RING 审中-公开
标题翻译： KOLBENRING
公开(公告)号：EP2725265A1
公开(公告)日：2014-04-30
申请号：EP12802719.0
申请日：2012-06-21
申请人： Kabushiki Kaisha Riken
发明人： SEKIYA Takuma , MURAYAMA Yuuichi , SATO Masayuki , SHIMA Yuji , TAKAHASHI Junya , MORONUKI Masaki
IPC分类号： F16J9/26 , C23C14/06 , F02F5/00
CPC分类号： F16J9/26 , C23C14/0641 , C23C14/325 , C23C28/044 , C23C28/046
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（220）面的（220）面的织构系数（> 200）面的织构系数（111）面> 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力获得优异的滑动特性，在TiN涂层上形成硬的无定形碳涂层。

4. 发明授权

EP3054200B1 PISTON RING 有权
公开(公告)号：EP3054200B1
公开(公告)日：2020-02-26
申请号：EP14848323.3
申请日：2014-09-26
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei , SEKIYA Takuma
IPC分类号： F16J9/26 , B24B5/00 , C23C14/06 , F02F5/00 , C23C28/00 , B24B19/11 , C23C14/00 , C23C28/04

5. 发明授权

EP2725266B1 PISTON RING 有权
标题翻译：活塞环
公开(公告)号：EP2725266B1
公开(公告)日：2018-04-18
申请号：EP12803185.3
申请日：2012-06-21
申请人： Kabushiki Kaisha Riken
发明人： SEKIYA Takuma , MURAYAMA Yuuichi , SATO Masayuki , SHIMA Yuji , TAKAHASHI Junya , MORONUKI Masaki
IPC分类号： C23C14/06 , C23C14/32 , C23C28/04 , F16J9/26 , F02F5/00
CPC分类号： F02F5/00 , C23C14/0641 , C23C14/325 , C23C28/044 , C23C28/046 , F16J9/26
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.

6. 发明公开

EP2930403A1 PISTON RING 失效
标题翻译：活塞环
公开(公告)号：EP2930403A1
公开(公告)日：2015-10-14
申请号：EP13860309.7
申请日：2013-12-06
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei
IPC分类号： F16J9/26 , C23C14/06 , F02F5/00
CPC分类号： F16J9/26 , C23C14/0641 , C23C14/325 , C23C28/042 , C23C28/044 , C23C28/42 , F02F5/00
摘要： To provide a piston ring having a hard laminate coating for excellent scuffing resistance, wear resistance and peeling resistance, which can be used in an environment of high mechanical and thermal load in engines, the piston ring is provided with a hard laminate coating as thick as 10-60 µm on its outer peripheral surface, the laminate coating being formed by alternately laminating two types or more of layers made of different compounds, each of the compound layers being made of nitride of at least one metal selected from the group consisting of Ti, Cr, Zr, V, Hf and Al.
摘要翻译：为了提供一种具有硬质叠层涂层的活塞环，其具有优异的抗划伤性，耐磨性和抗剥离性，其可用于发动机的高机械负荷和热负荷的环境中，所述活塞环设置有厚度为在其外周表面上形成10-60μm的层压涂层，该层压涂层是通过交替地层压由不同化合物制成的两种或更多种层而形成的，每个化合物层由选自下列的至少一种金属的氮化物制成：Ti ，Cr，Zr，V，Hf和Al。

7. 发明公开

EP3064810A1 PISTON RING AND METHOD FOR MANUFACTURING SAME 有权
标题翻译：活塞环及其制造方法
公开(公告)号：EP3064810A1
公开(公告)日：2016-09-07
申请号：EP14857089.8
申请日：2014-10-27
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei , SEKIYA Takuma
IPC分类号： F16J9/26 , C23C14/06 , C23C14/14 , F02F5/00
CPC分类号： F16J9/26 , C23C14/0641 , C23C14/0664 , C23C14/16 , C23C28/042 , C23C28/044 , C23C28/322 , C23C28/34 , C23C28/343 , C23C28/42
摘要： To provide a hard-amorphous-carbon-coated piston ring having low friction and excellent wear resistance and peeling resistance to reduce the fuel consumption of automobiles, an outer peripheral surface of a steel-made piston ring base material is provided with a primary layer constituted by a CrN/Cr laminate coating or a CrN/TiN laminate coating as thick as 10-60 µm, which is obtained by alternately laminating CrN-type chromium nitride and chromium metal or TiN-type titanium nitride, an intermediate layer of chromium metal and/or titanium metal as thick as 0.05-1.0 µm, and then a hard amorphous carbon coating as thick as 0.4-20 µm.
摘要翻译：为了提供一种具有低摩擦和优异的耐磨性和抗剥离性以降低汽车燃料消耗的硬质非晶碳涂层活塞环，钢制活塞环基材的外周表面设置有构成主层通过交替层叠CrN型氮化铬和铬金属或TiN型氮化钛得到的厚度为10-60μm的CrN / Cr层压涂层或CrN / TiN层压涂层，中间金属铬层和 /或厚度为0.05-1.0μm的钛金属，然后是厚度为0.4-20μm的硬无定形碳涂层。

8. 发明公开

EP3054200A1 PISTON RING 审中-公开
标题翻译：活塞环
公开(公告)号：EP3054200A1
公开(公告)日：2016-08-10
申请号：EP14848323.3
申请日：2014-09-26
申请人： Kabushiki Kaisha Riken
发明人： SATO Masayuki , MURAYAMA Yuuichi , IWAMOTO Youhei , SEKIYA Takuma
IPC分类号： F16J9/26 , B24B5/00 , C23C14/06 , F02F5/00
CPC分类号： F16J9/26 , B23P15/06 , B24B19/11 , C23C14/0021 , C23C14/0641 , C23C14/0664 , C23C14/325 , C23C28/042 , C23C28/044 , C23C28/347 , C23C28/42
摘要： To provide a piston ring having a hard laminate coating having excellent scuffing resistance, wear resistance and peeling resistance, which can be used in an environment of high mechanical and thermal load in engines, the piston ring is provided on its outer peripheral sliding surface with a CrN-type hard coating as thick as 10-60 µm and comprising a CrN/CrCN laminate coating having hardness Hv of 1000 or more and residual compression stress of 1500 MPa or less, a laminate unit composed of a CrN layer and a CrCN layer being as thick as 30 nm or more; the CrN/CrCN laminate coating being formed by alternately laminating CrN layers and CrCN layers containing C dissolved in CrN by ion plating.
摘要翻译：为了提供一种活塞环，其具有硬质叠层涂层，该活塞环具有优异的抗划伤性，耐磨性和抗剥离性，其可用于发动机中的高机械和热负荷的环境中，活塞环在其外周滑动表面上设置有厚度为10〜60μm，由硬度Hv为1000以上，残余压缩应力为1500MPa以下的CrN / CrCN层叠涂膜构成的CrN系硬质被膜，由CrN层和CrCN层构成的层叠单位厚达30nm或更多; CrN / CrCN叠层涂层通过用Cr离子镀交替地层叠CrN层和含有溶解在CrN中的C的CrCN层而形成。

9. 发明公开

EP2725266A1 PISTON RING 有权
标题翻译：活塞环
公开(公告)号：EP2725266A1
公开(公告)日：2014-04-30
申请号：EP12803185.3
申请日：2012-06-21
申请人： Kabushiki Kaisha Riken
发明人： SEKIYA Takuma , MURAYAMA Yuuichi , SATO Masayuki , SHIMA Yuji , TAKAHASHI Junya , MORONUKI Masaki
IPC分类号： F16J9/26 , C23C14/06 , F02F5/00
CPC分类号： F02F5/00 , C23C14/0641 , C23C14/325 , C23C28/044 , C23C28/046 , F16J9/26
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耐划伤性和耐磨损性的高导热性活塞环，可以使用厚度为10-60μm的TiN涂层，其中纹理系数在涂层表面上的X射线衍射中，（220）面为1.1-1.8，大于（111）和（200）面的（220）面，在优化的离子镀条件下形成在活塞环的圆周表面上。另外，为了在不损失TiN的优异导热率的情况下获得具有低摩擦的优异滑动特性，在TiN涂层上形成硬质无定形碳涂层。

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