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1. 发明专利

JP2019017474A インプラントの表面構造およびインプラントの表面構造の製造方法审中-公开
公开(公告)号：JP2019017474A
公开(公告)日：2019-02-07
申请号：JP2017136119
申请日：2017-07-12
申请人： NIPPON PISTON RING CO LTD
发明人： TAKAHASHI DAIKI , SHIMIZU TAKESHI , OKADA KAZUHIRO , FUJIWARA KIYOHIRO
IPC分类号： A61C8/00 , A61F2/28 , A61L27/02 , A61L27/06
摘要：【課題】骨組織との間において血液循環通路が多数形成されると共に、骨組織と強固に係合可能なインプラントを提供する。【解決手段】本発明のインプラントの表面構造は、上記インプラントの表面に形成される、凹状の複数の窪み部と、上記インプラントの表面から突出する複数の突出部と、を備える。そして、少なくとも1つの上記窪み部は、自身の周縁を構成する周縁部と、上記窪み部の凹空間側の上記周縁部の面の少なくとも一部に設けられ、上記窪み部の深さ方向における上記窪み部の内側から外側へ向かう方向、かつ、上記窪み部の深さ方向に対して直角となる面方向における上記窪み部の内側から外側へ向かう方向へ延びる拡張面と、を有する。【選択図】図2

2. 发明专利

JP2014176145A Permanent magnet type rotary electric machine 有权
标题翻译：永磁式旋转电机
公开(公告)号：JP2014176145A
公开(公告)日：2014-09-22
申请号：JP2013044669
申请日：2013-03-06
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： SAKAMOTO MASABUMI , SATO SHIGEYOSHI , TAKEGUCHI SHUNSUKE
IPC分类号： H02K1/27 , H02K1/02 , H02K1/14 , H02K21/14
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To easily implement field control with a rotor of a claw/pole structure regarding a rotary electric machine utilizing a dust core.SOLUTION: An inner rotation or outer rotation type rotary electric machine is characterized in that a substantially cylindrical or cylindrical first permanent magnet magnetized in an axial direction is held between two rotor cores in which (n) pieces of multiple arms axially protruding from an outer or inner circumferential part of a magnetic substance disc formed from soft magnetic iron powder or a magnetic substance iron plate. In the rotary electric machine comprising a rotor configured by meshing the (n) pieces of arms alternately at intervals in an outer or inner circumferential part of the first permanent magnet, as a measure, a second permanent magnet which is magnetized in such a manner that the same polarity opposes each other, is interposed in a circumferential arm gap where the (n) pieces of arms are alternately meshed.
摘要翻译：要解决的问题：利用利用灰尘芯的旋转电机的爪/杆结构的转子来容易地实现现场控制。解旋内旋转或旋转式旋转电机的特征在于：大致圆柱形或圆柱形在轴向方向上磁化的第一永磁体保持在两个转子芯之间，其中（n）个多个臂从由软磁铁粉末或磁性体铁板形成的磁性体盘的外周或内周部分轴向突出。在包括通过在第一永磁体的外周或内圆周部分间隔交替地（n）个臂）构成的转子作为测量的旋转电机中，以第二永久磁铁的方式被磁化，相同的极性彼此相对，插入在（n）个臂的交替啮合的周向臂间隙中。

3. 发明专利

JP2014093794A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2014093794A
公开(公告)日：2014-05-19
申请号：JP2012241084
申请日：2012-10-31
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： SAKAMOTO MASABUMI , SATO SHIGEYOSHI , TAKEGUCHI SHUNSUKE
IPC分类号： H02K1/18 , H02K1/02 , H02K5/00 , H02K5/16
CPC分类号： H02K1/185 , H02K1/02 , H02K1/148 , H02K5/15 , H02K15/16
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine that has higher efficiency, and higher torque, achieved in an inexpensive and reliable method.SOLUTION: In a radial gap rotary electric machine, a stator and a rotor faces each other with an air gap, and brackets are provided on axial end surfaces of the stator and the rotor. The stator has a stator core that includes: an annular yoke section; and a plurality of winding poles that extend radially from the annular yoke section. Concentrated windings are wound around the winding poles. Leading ends of the winding poles face the rotor through the air gap. The stator core is formed by a dust core. On two side surfaces of the stator core, respective stator-side guiding sections are provided, concentrically with a radially inner portion of the stator, so as to protrude axially. The brackets have respective bracket-side guiding sections to be fitted together with the respective stator-side guiding sections. The stator-side guiding sections and the bracket-side guiding sections are fitted together so as to ensure the air gap.
摘要翻译：要解决的问题：提供一种以廉价可靠的方法实现的具有更高效率和更高扭矩的旋转电机。解决方案：在径向间隙旋转电机中，定子和转子面对空气间隙并且在定子和转子的轴向端面上设置支架。定子具有定子芯，该定子芯包括：环形轭部; 以及从环状磁轭部分径向延伸的多个绕组磁极。集中绕组缠绕在绕组极上。绕组极的前端通过气隙面向转子。定子铁芯由防尘芯组成。在定子铁芯的两个侧表面上，相应的定子侧引导部分与定子的径向内部同心地设置成轴向突出。支架具有相应的支架侧引导部分，以与相应的定子侧引导部分装配在一起。定子侧引导部和支架侧引导部嵌合在一起，以确保气隙。

4. 发明专利

JP2013181191A Jig for sintering cam shaft 有权
标题翻译： JIG用于烧结凸轮轴
公开(公告)号：JP2013181191A
公开(公告)日：2013-09-12
申请号：JP2012044689
申请日：2012-02-29
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： TANAKA SOJI
IPC分类号： B22F3/10 , F01L1/04
摘要： PROBLEM TO BE SOLVED: To provide a jig for sintering a cam shaft, capable of improving productivity more than before.SOLUTION: A jig for sintering a cam shaft includes a frame body assembled into a square frame shape by four roughly rectangular frame plates, and a long support member attached to the frame body and supporting the cam shaft. The support member includes a projection part for attachment, which is extended from a cam shaft mounting surface side of both ends thereof, and a cam shaft holding member is attached to a mounting position of the cam shaft on the cam shaft mounting surface. Under a normal temperature, the projection part for attachment of the support member is loosely fitted to an attaching hole provided in the frame body, and fine adjustment of the position of the support member is made possible. Under a sintering temperature in a range of 1,000°C to 1,200°C, since a side end face in the longitudinal direction of the support member pressurizes an inner side face of the frame body by extension in the longitudinal direction of the support member, the support member and the frame body are fixed.
摘要翻译：要解决的问题：提供一种用于烧结凸轮轴的夹具，其能够比以前更高地提高生产率。解决方案：用于烧结凸轮轴的夹具包括通过四个大致矩形的框架板组装成方形框架形状的框架体，以及一个长的支撑构件，其附接到框体并支撑凸轮轴。支撑构件包括从其两端的凸轮轴安装表面侧延伸的用于附接的突出部分，并且凸轮轴保持构件安装在凸轮轴安装表面上的凸轮轴的安装位置。在正常温度下，用于安装支撑构件的突出部分松散地装配到设置在框架体中的安装孔上，并且能够对支撑构件的位置进行微调。在1000℃〜1200℃的烧结温度范围内，由于支撑部件的长度方向的侧端面沿着支撑部件的长度方向延伸而使框体的内侧面加压，支撑构件和框体固定。

5. 发明专利

JP2013155420A Sliding member 有权
标题翻译：滑动会员
公开(公告)号：JP2013155420A
公开(公告)日：2013-08-15
申请号：JP2012018296
申请日：2012-01-31
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： SENDA NORIAKI , SUGIURA HIROYUKI
IPC分类号： C23C14/06 , C23C24/08 , C23C28/00 , C23C28/04 , F02F1/00 , F02F3/00 , F02F5/00 , F16J9/26 , F16J15/16
摘要： PROBLEM TO BE SOLVED: To provide a sliding member improved in toughness of surface film excellent in wear resistance.SOLUTION: This sliding member is constituted so that it has a base material 1, an undercoat layer 2 formed on the base material 1, and a wear-resistant film 3 formed on the undercoat layer 2, where the thickness T1 of the wear-resistant film 3 and the thickness T2 of the undercoat layer 2 satisfy the relationship of formula 1 shown below, and the Young's modulus of the undercoat layer 2 satisfies formula 2 shown below. In this case, it is desirable that the wear-resistant film 3 has a Young's modulus of not less than 200 GPa and a Vickers hardness of not less than 800 HV(0.05). Moreover, it is desirable that the thickness T1 of the wear-resistant film 3 is 0.5 μm to 40 μm. Here, formula 1: T2/T1=2/8 to 8/2 and formula 2: ([the Young's modulus (GPa) of the wear-resistant film)] + [the Young's modulus (GPa) of the base material]÷2×0.92≤[the Young's modulus (GPa) of the undercoat layer]≤([the Young's modulus (GPa) of the wear-resistant film]+[the young's modulus (GPa) of the base material])÷2×1.08.
摘要翻译：要解决的问题：提供一种提高耐磨性优异的表面膜的韧性的滑动构件。解决方案：该滑动构件构成为具有基材1，形成在基材1上的底涂层2和形成在底涂层2上的耐磨膜3，其中耐磨膜3的厚度T1和底涂层2的厚度T2满足下面所示的式1的关系，底涂层2的杨氏模量满足下面所示的公式2。在这种情况下，希望耐磨损膜3的杨氏模量不小于200GPa，维氏硬度不低于800HV（0.05）。此外，耐磨损膜3的厚度T1优选为0.5μm〜40μm。这里，式1：T2 / T1 = 2/8〜8/2和公式2 :( [耐磨膜的杨氏模量（GPa）]] + [基材的杨氏模量（GPa）]÷ 2×0.92≤[底涂层的杨氏模量（GPa）]≤（[耐磨损膜的杨氏模量（GPa）] + [基材的杨氏模量（GPa）]）÷2×1.08 。

6. 发明专利

JP2013028829A Titanium alloy material for spectacle frame 有权
标题翻译：钛合金材料用于框架框架
公开(公告)号：JP2013028829A
公开(公告)日：2013-02-07
申请号：JP2011164122
申请日：2011-07-27
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： ISHIKAWA YOSHIKI
IPC分类号： C22C14/00 , C22F1/00 , C22F1/18 , G02C5/00
摘要： PROBLEM TO BE SOLVED: To provide a titanium alloy material for a spectacle frame having a composition achieving a low Young's modulus, high strength, high biocompatibility, easy brazing, and satisfactory workability and cost.SOLUTION: The titanium alloy material for a spectacle frame includes a metal crystal structure where the main phase is composed of a β phase, and has a composition represented by the composition formula Ti-X-Y(X is Ta or a mixture of Ta and at least one element selected from the group consisting of Nb, Mo, V, and Cr. Y is one element selected from the group consisting of Sn, Al, and B), wherein (a) and (b) in atom% (at%) satisfy the relations 12≤a≤25 and 1≤b≤7.
摘要翻译：解决的问题：提供一种具有低杨氏模量，高强度，高生物相容性，易钎焊，令人满意的加工性和成本的组合物的眼镜架用钛合金材料。解决方案：用于眼镜架的钛合金材料包括主相由β相组成的金属晶体结构，并且具有由组成式Ti 100-ab表示的组成 -X a -Y b （X是Ta或Ta与至少一种元素的混合物由Nb，Mo，V和Cr组成的组Y是选自Sn，Al和B）中的一种元素，其中原子％（at％）中的（a）和（b）满足关系12 ≤a≤25和1≤b≤7。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012107710A Piston ring 有权
标题翻译：活塞环
公开(公告)号：JP2012107710A
公开(公告)日：2012-06-07
申请号：JP2010257540
申请日：2010-11-18
申请人： Isuzu Motors Ltd , Nippon Piston Ring Co Ltd , いすゞ自動車株式会社 , 日本ピストンリング株式会社
发明人： IIJIMA AKIRA , MURATA TAIICHI , ITO TOMOHIRO
IPC分类号： F16J9/12 , F02F5/00 , F16J9/26
CPC分类号： F16J9/12 , F16J9/26
摘要： PROBLEM TO BE SOLVED: To provide a piston ring which can reduce reciprocating dynamic friction between a piston and a cylinder inner wall surface, and can maintain the reducing effect.SOLUTION: This piston ring for an internal combustion engine is installed in a ring groove of the piston, and slides with a cylinder liner or the inner wall surface of a cylinder. Very small recessed parts are formed in a plurality in a barrel width area of the piston ring among an outer peripheral sliding surface of the piston ring, and the area of a recessed part unformed area of not forming the recessed part in the barrel width area, falls within a range of 20-85%, assuming the whole area of the barrel width area before forming the recessed part as 100%, and the recessed part unformed area exists in all of a cutting surface in the axial direction of the barrel width area.
摘要翻译：要解决的问题：提供一种能够减小活塞与气缸内壁面之间的往复动摩擦的活塞环，能够维持减压效果。解决方案：内燃机用活塞环安装在活塞的环形槽内，并与气缸套或气缸的内壁面滑动。在活塞环的外周滑动面和活塞环的外周滑动面之间的多个筒状宽度区域中形成有非常小的凹部，并且在筒宽度区域中形成未形成凹部的凹部未成形区域的区域，在将凹部形成为100％之前，假设筒宽度区域的整个面积在20-85％的范围内，并且凹部未成形区域存在于筒宽度区域的轴向方向上的所有切割面。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011111999A Engine valve gear for internal combustion engine 审中-公开
标题翻译：发动机内燃机发动机齿轮
公开(公告)号：JP2011111999A
公开(公告)日：2011-06-09
申请号：JP2009270363
申请日：2009-11-27
申请人： Nakamura Sangyo Gakuen , Nippon Piston Ring Co Ltd , 学校法人中村産業学園 , 日本ピストンリング株式会社
发明人： FUKUSHIMA MITSUHIRO , OGAWA EIJI , TANJI KYO
IPC分类号： F01L1/14
摘要： PROBLEM TO BE SOLVED: To provide an engine valve gear for an internal combustion engine, in which friction among a cam, a shim, and a valve lifter is sufficiently reduced.
SOLUTION: A disc-shaped recess part 11a is formed on an upper end face 11A of a valve lifter 10. The axis of the recess part 11a is arranged to be separated from the axis of the valve lifer 10 in an axial direction of a shaft 31. The shim 20 is disc-shaped, and a diameter of the recess part 11a is slightly larger than a diameter of the shim 20. The shim 20 is housed in the recess part 11a to be rotatable in a slide-contact manner with respect to the valve lifter 10, with positional relation coaxial with the recess part 11a. A part of an outer peripheral face 30B of the cam 30 abutting on an upper face 20B of the shim 20, that is, a central part of the outer peripheral face 30B of the cam 30 in an axial direction of the shaft 31 is arranged on the axis of the valve lifter 10.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于内燃机的发动机气门齿轮，其中凸轮，垫片和气门挺杆之间的摩擦充分降低。解决方案：在阀提升器10的上端面11A上形成有盘形的凹部11a。凹部11a的轴线被设置成沿着轴向方向与阀门升降器10的轴线分离垫片20是盘形的，并且凹部11a的直径略大于垫片20的直径。垫片20容纳在凹部11a中，以可滑动接触相对于气门挺杆10的位置关系与凹部11a同轴。凸轮30的外周面30B的一部分邻接在垫片20的上表面20B上，即凸轮30的外周面30B在轴31的轴向方向上的中心部分，其布置在阀升降器10的轴线。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011075092A Combined oil ring for internal combustion engine, and assembling structure thereof 审中-公开
标题翻译：内燃机用组合式油缸及其组装结构
公开(公告)号：JP2011075092A
公开(公告)日：2011-04-14
申请号：JP2009230397
申请日：2009-10-02
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： HITOSUGI EIJI , NAKADA FUMIHIRO
IPC分类号： F16J9/06 , F02F5/00 , F16J9/20
摘要： PROBLEM TO BE SOLVED: To provide a combined oil ring capable of reducing oil consumption in a low speed and high negative pressure state, and to provide fitting structure thereof.
SOLUTION: The combined oil ring 10 provided in the periphery of a piston and to be installed in a ring groove includes: an oil ring body 11 formed by connecting two of an upper and a lower rail parts 1 and 2, of which outer peripheral ends 6 and 7 protrude outward X1 in the radial direction, in a connection part 3; and a coil expander 12 arranged in an inner peripheral groove 4 in a central part inside in the radial direction of the connection part 3 to push the oil ring body 11 for energization outward in the radial direction. In this oil ring 10, a tension ratio is set at 0.05-0.3 N/mm, a radial directional width a1 of the oil ring body 11 is 0.7-0.9 times the axial directional width h1, depth d1 of the inner groove 4 formed by inner peripheral ends 8 and 9 of the rail parts 1 and 2 and the radial directional bottom part 4' is 0.35-0.50 times the radial directional width a1, and the diameter d2 of the coil expander 12 is less than twice the depth d1 of the inner peripheral groove 4.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在低速和高负压状态下降低油耗的组合油环，并提供其装配结构。解决方案：设置在活塞周边并被安装在环槽中的组合油环10包括：油环主体11，其通过连接上部和下部轨道部分1和2中的两个而形成，其中，外周端6和7在连接部分3中沿径向向外突出X1; 以及在连接部3的径向内侧的中央部的内周槽4中配置的线圈膨胀机12，以将油环体11向径向推压。在该油环10中，张力比设定为0.05〜0.3N / mm，油环体11的径向方向宽度a1为轴向宽度h1的0.7〜0.9倍，内槽4的深度d1由轨道部分1和2的内周端8和径向方向底部4'是径向方向宽度a1的0.35-0.50倍，线圈扩张器12的直径d2小于线圈扩张器12的深度d1的两倍内周槽4.版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010236443A Cylinder 有权
标题翻译：圆筒
公开(公告)号：JP2010236443A
公开(公告)日：2010-10-21
申请号：JP2009086288
申请日：2009-03-31
申请人： Nippon Piston Ring Co Ltd , 日本ピストンリング株式会社
发明人： URABE MITSURU , MURATA TAIICHI
IPC分类号： F02F1/00 , F16J1/04 , F16J10/04
摘要： PROBLEM TO BE SOLVED: To provide a cylinder reducing reciprocating friction with a piston, and avoiding longitudinal scratch and excessive friction that possibly occur between a piston skirt portion and a cylinder. SOLUTION: In a stroke central part region which is a region ranging from a lower surface position of a ring groove of a lowermost piston ring in a top dead center of the piston, to an upper surface position of a ring groove of an uppermost piston ring in a bottom dead center of the piston, a plurality of recessed portions are formed so that at least one recessed portion in all cross-sections in a circumferential direction of cylinder exists, and the recessed portion is not formed in a region except for the stroke central region, out of inner wall surfaces of the cylinder. A total of areas of all recessed portions is to be within a range of 1 to 80%, when an area of the stroke central region is assumed to be 100%. Out of a region that slides with a piston skirt at a thrust side of the piston used in combination with the cylinder, in the stroke central region, at least 1/4 or more thereof is to be a region where the recessed portion is not formed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供减小与活塞的往复摩擦的气缸，并且避免可能在活塞裙部和气缸之间发生的纵向刮擦和过度摩擦。解决方案：在行程中心部分区域中，该区域是从活塞的上止点中的最下活塞环的环槽的下表面位置到位于活塞的上止点的上表面位置的区域形成活塞下死点的最上活塞环，形成多个凹部，使得在圆筒的圆周方向上的所有横截面中的至少一个凹部存在，并且凹部不形成在除对于行程中心区域，从气缸的内壁表面出来。当行程中心区域的面积被假设为100％时，所有凹陷部分的总面积应在1至80％的范围内。在与气缸组合使用的活塞推力侧的活塞裙部滑动的区域中，在冲程中心区域中，至少1/4或更多的区域将形成凹部不形成的区域。版权所有（C）2011，JPO＆INPIT

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