公开(公告)号：EP2531750A1

公开(公告)日：2012-12-12

申请号：EP10784729.5

申请日：2010-11-09

申请人： Federal-Mogul Burscheid GmbH

发明人： ESSER, Peter

IPC分类号： F16J9/06 ,  F16J15/32 ,  F16J9/20

CPC分类号： F16J9/203

摘要： The invention relates to an improved oil control ring, comprising a ring body (2), two radially outer projections (4) on the ring body (2), which are arranged one behind the other in the running direction of the piston and which are spaced apart from each other by an outer recess (6), wherein each projection (4) has two scraping lips (8); and a wear-protection coating (10) on each scraping lip (8).

公开(公告)号：EP1904767B1

公开(公告)日：2009-11-25

申请号：EP06779945.2

申请日：2006-07-14

申请人： Mahle International GmbH ,  Mahle Metal Leve S.A.

发明人： FERRARESE, André ,  UEHARA, Samantha

IPC分类号： F16J9/06

CPC分类号： F16J9/068 ,  F16J9/145 ,  F16J9/203

公开(公告)号：EP1910718A2

公开(公告)日：2008-04-16

申请号：EP06778949.5

申请日：2006-06-13

申请人： PEUGEOT CITROËN AUTOMOBILES S.A.

发明人： BOULARD, Jean-Marc

IPC分类号： F16J9/06

CPC分类号： F16J9/066

摘要： The invention concerns a device for sealing a piston (1), comprising at least one segment (2) mounted in a groove (4a) of the piston, characterized in that it comprises a member (3) for maintaining the segment (2) to press the segment (2) against one of the flanks of the groove (4a).

公开(公告)号：EP1533509A4

公开(公告)日：2008-02-27

申请号：EP02743671

申请日：2002-06-20

申请人： BANDO KIKO CO

发明人： BANDO SHIGERU

IPC分类号： F02F1/00 ,  F02B19/00 ,  F02B19/10 ,  F02B23/00 ,  F02B23/08 ,  F02F1/18 ,  F02F3/00 ,  F02F5/00 ,  F16J1/00 ,  F16J9/06

CPC分类号： F02F1/18 ,  F02B19/108 ,  F02B23/08 ,  F02B2019/002 ,  F02F3/00 ,  F16J1/001 ,  F16J9/061 ,  F16J9/063

摘要： A reciprocating engine (1), comprising a cylinder (2), a piston (3) reciprocatingly moving in X-direction inside the cylinder (2), a connecting rod (5) rotatably connected, at a small end part (4), to the piston (3) through a piston pin (4a), ring grooves (7, 8) disposed adjacently to each other in X- direction and formed in the side peripheral surface (6) of the piston (3), piston rings (9, 10) fitted into the ring grooves (7, 8), a dividing means (14) dividing an annular space (11) formed between the piston rings (9, 10) into a thrust side semi-annular space (12) and an anti-thrust side semi-annular space (13), and a communication means (16) allowing the space (12) to communicate with a combustion chamber (15) for burning air-fuel mixture therein.

摘要翻译： 1。一种往复式发动机，其特征在于，包括缸体，在缸体内沿X方向往复运动的活塞，在小端部可转动地连接的连杆， 通过活塞销（4a）与活塞（3）连接，在X方向上彼此相邻设置且形成在活塞（3）的侧周面（6）中的环形槽（7,8），活塞环 一个将形成在活塞环（9,10）之间的环形空间（11）分成一个推力侧的半环形空间（12）的分隔装置（14）;以及 一个止推侧半环形空间（13）和一个连通装置（16），该连通装置允许空间（12）与燃烧室（15）连通，以燃烧其中的空气燃料混合物。

公开(公告)号：EP1377766A4

公开(公告)日：2006-11-08

申请号：EP02793389

申请日：2002-12-25

申请人： RIKEN KK

发明人： TAKIGUCHI KATSUMI ,  KUSAMA KAZUNORI

IPC分类号： F02F5/00 ,  F16J9/06 ,  F16J9/20

CPC分类号： F16J9/064 ,  F16J9/068

摘要： ABSTRACTA side rail is formed into a ring shape having its generally rectangular section that has an outer surface 3 formed with a pair of edge surfaces 5 of small radius, and an intermediate surface 6 of large radius of curvature formed between the edge surfaces 5. When the side rail is in the inclined condition in operation, each edge surface 5 can easily ride on oil film on cylinder 16 and allow the side rail 1 to perform smooth sliding movement on the inner surface of cylinder. The intermediate surface 6 efficiently scrapes lubricating oil on cylinder to form lubricating oil film of necessary and minimum thickness between an inner surface 17 of cylinder 16 and side rail 1. Also, the larger radius of curvature for forming the intermediate surface 6 provides a larger contact area to the inner surface 17 of cylinder 16 to improve wear resistance.

摘要翻译： 侧轨形成为具有大致矩形截面的环形，其外表面3形成有一对小半径的边缘表面5，并且在边缘表面5之间形成有大曲率半径的中间表面6。 当侧轨处于操作中的倾斜状态时，每个边缘表面5可以容易地骑在气缸16上的油膜上，并允许侧轨1在气缸的内表面上进行平滑的滑动运动。 中间表面6有效地刮擦气缸上的润滑油，以在气缸16的内表面17和侧轨1之间形成必要且最小厚度的润滑油膜。 此外，用于形成中间表面6的较大的曲率半径为圆筒16的内表面17提供更大的接触面积，以改善耐磨性。

公开(公告)号：EP1660792A1

公开(公告)日：2006-05-31

申请号：EP04762747.6

申请日：2004-09-02

申请人： MAHLE GMBH

发明人： FIEDLER, Rolf-Gerhard

IPC分类号： F16J9/06 ,  F16J9/20

CPC分类号： F16J9/206 ,  F16J9/065

摘要： The invention relates to an oil scraper ring for pistons of internal combustion engines, said oil scraper ring comprising a disc (1) that is provided with parallel flanks and a bearing surface (h) having an asymmetrical crowned form with a vertex line (3) extending over the periphery of the disc. A bracing spring (4) arranged in a ring groove (7) of the piston and comprising a spring groove side (6) opposing the piston head and a spring groove side (5) facing the piston head presses the disc (1) radially against the cylinder wall (8). The aim of the invention is to achieve an improved oil scraping action compared to that of prior art, while reducing the friction and the abrasion of the bearing surface. To this end, at least one of the spring groove sides (5, 6) extends at an angle (ß) in relation to the piston axis (10) in such a way that it is radially outwardly inclined to the bracing spring end oriented towards the cylinder, the bearing surface (h) of the disc (1) being embodied in such a way that it corresponds to an almost worn end contour in the started engine state, and, when the oil scraper ring (1) is mounted in the piston, the vertex line (3) of the bearing surface (h) is oriented in the direction of the ring groove side (6) opposing the piston head.

公开(公告)号：EP1617066A1

公开(公告)日：2006-01-18

申请号：EP04728418.7

申请日：2004-04-20

申请人： Kabushiki Kaisha Riken

发明人： YAMADA, Masaki, c/o Kabushiki Kaisha Riken ,  ITO, Kuniyasu, c/o Kabushiki Kaisha Riken ,  KAWASAKI, Masami, c/o Toyota Motor Corporation ,  ABE, Tomoaki, c/o Toyota Motor Corporation ,  UCHIYAMA, Shigenobu, c/o Yamaha Motor Co., Ltd.

IPC分类号： F02F5/00 ,  F16J9/06

CPC分类号： F16J9/068 ,  F16J9/062 ,  Y10T29/49274 ,  Y10T29/49282

摘要： An oil ring 1 comprises an annular oil ring body 10 having a pair of rail portions 12 at its axially upper and lower portions and butt ends, and a coil expander 20 assembled in the inner periphery of the oil ring body 10. The cross-sectional profile taken in the radial direction of the outer peripheral sliding surface (f) of the pair of rail portions 12 has a nearly straight region (f1) with a length of equal to or more than 0.05 mm in the center and curved regions (f2) formed on both sides of the straight region (f1).

摘要翻译： 油环1包括在其轴向上部和下部和对接端处具有一对轨道部分12的环形油环主体10和组装在油环主体10的内周中的线圈膨胀器20.横截面 在一对轨道部分12的外周滑动表面（f）的径向上截取的轮廓具有在中心和弯曲区域（f2）中具有等于或大于0.05mm的长度的近似直线的区域（f1） 形成在直线区域（f1）的两侧。

公开(公告)号：EP1596106A1

公开(公告)日：2005-11-16

申请号：EP04712672.7

申请日：2004-02-19

申请人： Kabushiki Kaisha Riken

发明人： USUI, M., c/o Kabushiki K. Riken Kashiwazaki Off.

IPC分类号： F16J9/06 ,  F02F5/00

CPC分类号： F16J9/062

摘要： In mounting a combined oil control ring in a ring groove formed in a piston, the combined oil control ring is mounted in a form that an opening between but ends of an oil ring body is widened. In such an operation, it is likely that a coil expander falls off the oil ring body thus making the mounting operation cumbersome. To overcome such a drawback, a relationship L1

摘要翻译： 在将组合的油控环安装在形成于活塞中的环形槽中时，组合油控制环安装成油环体的端部之间的开口变宽的形式。 在这样的操作中，线圈膨胀机很可能从油环体脱落，从而使安装操作变得麻烦。 为了克服这种缺点，建立了L1

公开(公告)号：EP1377766A1

公开(公告)日：2004-01-07

申请号：EP02793389.4

申请日：2002-12-25

申请人： Riken Corporation

发明人： TAKIGUCHI, Katsumi,Kashiwazaki Office Riken Co. ,  KUSAMA, Kazunori,Kashiwazaki Office Riken Co.

IPC分类号： F16J9/06 ,  F16J9/20

CPC分类号： F16J9/064 ,  F16J9/068

摘要： ABSTRACTA side rail is formed into a ring shape having its generally rectangular section that has an outer surface 3 formed with a pair of edge surfaces 5 of small radius, and an intermediate surface 6 of large radius of curvature formed between the edge surfaces 5. When the side rail is in the inclined condition in operation, each edge surface 5 can easily ride on oil film on cylinder 16 and allow the side rail 1 to perform smooth sliding movement on the inner surface of cylinder. The intermediate surface 6 efficiently scrapes lubricating oil on cylinder to form lubricating oil film of necessary and minimum thickness between an inner surface 17 of cylinder 16 and side rail 1. Also, the larger radius of curvature for forming the intermediate surface 6 provides a larger contact area to the inner surface 17 of cylinder 16 to improve wear resistance.

公开(公告)号：EP0937216B1

公开(公告)日：2003-04-09

申请号：EP97936679.6

申请日：1997-07-30

申请人： Helpap, Hans

发明人： Helpap, Hans

IPC分类号： F16J9/06

CPC分类号： F16J9/206 ,  F16J9/06 ,  F16J9/063 ,  F16J9/10

摘要： This invention concerns a packing seal which is intended particularly for reciprocating piston engines and which, for example, can be placed in the groove (31) around the circumference of a piston (22) of a reciprocating engine. The packing seal comprises a first segment ring (1) which has at least two sealing segments (3) with locking segments (4) positioned between them in alternating order. These locking segments (4) and sealing segments (3) taper in opposing directions radially towards the inside and outside respectively in wedge-shaped form. Furthermore, the packing seal comprises at least one additional or second segment ring (20) which also has at least two sealing segments (23) with locking segments (24) positioned alternately between them. The sealing segments (23) and locking segments (24) both taper radially towards the inside. The locking segments (24) extend over a larger arc than the sealing segments (23). The sealing segments (23) of this second segment ring (20) overlay the locking segments (24) of the axially adjacent first segment ring (1) cited above. This additional segment ring (20) of the packing seal (10') is made and designed in such a way that its sealing segments (23) supported by a compressive force derived from the working pressure are reliably pressed against the seat to be sealed without any additional assistance. To prevent the sealing arrangement of the packing seal (10') from coming apart during operation due to rocking motion, a security device (40) is provided which borders a slot present in axial direction between the packing seal (10') and the groove (31) and diminishes this slot, preferably in dependence on the working pressure. This security device (40) can simultaneously diminish the radially-directed working pressure on the packing seal in the groove base (33).