Piston ring for internal combustion engine
    2.
    发明授权
    Piston ring for internal combustion engine 有权
    内燃机活塞环

    公开(公告)号:US09388486B2

    公开(公告)日:2016-07-12

    申请号:US13000966

    申请日:2009-06-26

    IPC分类号: F16J9/26 C23C14/06 C23C28/04

    摘要: The present invention refers to a piston ring for internal combustion engine, having an outer surface of a coating of Chromium Nitride (CrN and Cr2N) and Niobium Nitride (NbN and Nb4N3), capable of offering greater resistance to peeling of the coating, also maintaining an excellent level of resistance to wear and tear and scratches to the layer of Chromium Nitride deposited.

    摘要翻译: 本发明涉及一种用于内燃机的活塞环,其具有氮化铬(CrN和Cr2N)和氮化铌(NbN和Nb4N3)的涂层的外表面,其能够提供更大的抗剥离性,还保持 耐磨性和耐刮擦性能优良,可以沉积到氮化铬层上。

    PISTON RING
    4.
    发明申请
    PISTON RING 审中-公开
    活塞环

    公开(公告)号:US20130221621A1

    公开(公告)日:2013-08-29

    申请号:US13518300

    申请日:2010-12-21

    IPC分类号: F16J9/26

    摘要: This invention refers to a piston ring, particularly planned for use in internal combustion engines or compressors, including at least one metallic base (2) to which it is applied, by the physical vapor deposition (PVD) process, a multilayer coating (3) including a periodicity (P), formed by at least one first layer (5) and at least one second layer (5′), being the layers adjacent, bringing one first layer (5) predominantly formed by metallic chromium (5) and one second layer predominantly formed by ceramic chromium (5′).

    摘要翻译: 本发明涉及一种特别规划用于内燃机或压缩机的活塞环,其包括通过物理气相沉积(PVD)方法施加的至少一个金属基体(2),多层涂层(3) 包括由至少一个第一层(5)和至少一个第二层(5')形成的周期性(P),这些层邻近,使得主要由金属铬(5)形成的一个第一层(5)和一个第一层 主要由陶瓷铬(5')形成的第二层。

    Piston Ring For Internal Combustion Engine
    5.
    发明申请
    Piston Ring For Internal Combustion Engine 有权
    内燃机活塞环

    公开(公告)号:US20110148047A1

    公开(公告)日:2011-06-23

    申请号:US13000966

    申请日:2009-06-26

    IPC分类号: F16J9/26

    摘要: The present invention refers to a piston ring for internal combustion engine, having an outer surface of a coating of Chromium Nitride (CrN and Cr2N) and Niobium Nitride (NbN and Nb4N3), capable of offering greater resistance to peeling of the coating, also maintaining an excellent level of resistance to wear and tear and scratches to the layer of Chromium Nitride deposited.

    摘要翻译: 本发明涉及一种用于内燃机的活塞环,其具有氮化铬(CrN和Cr2N)和氮化铌(NbN和Nb4N3)的涂层的外表面,其能够提供更大的抗剥离性,还保持 耐磨性和耐刮擦性能优良,可以沉积到氮化铬层上。

    Piston ring with chromium nitride coating for internal combustion engines
    6.
    发明授权
    Piston ring with chromium nitride coating for internal combustion engines 有权
    活塞环用于内燃机的氮化铬涂层

    公开(公告)号:US07891669B2

    公开(公告)日:2011-02-22

    申请号:US11919004

    申请日:2007-06-16

    IPC分类号: F16J9/26

    摘要: The invention relates to a piston ring for internal combustion engines, the piston ring comprises a steel or cast iron base material with a coating of chromium nitride deposited by a physical vapor deposition process on a sliding surface of the piston ring, wherein the coating is composed of a columnar crystal structure of CrN with the following features: (a) an oxygen content in solid solution of 0.5 to 2.5 wt %; (b) a content of uniformly dispersed micro-pores of less than 10% in volume of the coating; and (c) an X-ray diffraction intensity ratio of (111) planes to (200) planes parallel to the surface in the range of 0.80 to 1.20.

    摘要翻译: 本发明涉及一种用于内燃机的活塞环,活塞环包括钢或铸铁基材,其中通过物理气相沉积工艺在活塞环的滑动表面上沉积有氮化铬涂层,其中涂层组成 的CrN的柱状晶体结构具有以下特征:(a)固溶体中的氧含量为0.5至2.5重量%; (b)均匀分散的微孔的含量小于涂层体积的10%; 和(c)平均于表面的(111)面与(200)面的X射线衍射强度比在0.80〜1.20的范围内。

    Piston ring with chromium nitride coating for internal combustion engines
    8.
    发明申请
    Piston ring with chromium nitride coating for internal combustion engines 有权
    活塞环用于内燃机的氮化铬涂层

    公开(公告)号:US20090278320A1

    公开(公告)日:2009-11-12

    申请号:US11919004

    申请日:2007-06-16

    IPC分类号: F16J9/26 C23C14/34

    摘要: The invention relates to a piston ring for internal combustion engines, the piston ring comprises a steel or cast iron base material with a coating of chromium nitride deposited by a physical vapor deposition process on a sliding surface of the piston ring, wherein the coating is composed of a columnar crystal structure of CrN with the following features: (a) an oxygen content in solid solution of 0.5 to 2.5 wt %; (b) a content of uniformly dispersed micro-pores of less than 10% in volume of the coating; and (c) an X-ray diffraction intensity ratio of (111) planes to (200) planes parallel to the surface in the range of 0.80 to 1.20.

    摘要翻译: 本发明涉及一种用于内燃机的活塞环,活塞环包括钢或铸铁基材,其中通过物理气相沉积工艺在活塞环的滑动表面上沉积有氮化铬涂层,其中涂层组成 的CrN的柱状晶体结构具有以下特征:(a)固溶体中的氧含量为0.5至2.5重量%; (b)均匀分散的微孔的含量小于涂层体积的10%; 和(c)平均于表面的(111)面与(200)面的X射线衍射强度比在0.80〜1.20的范围内。