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公开(公告)号：US06209879B1
公开(公告)日：2001-04-03
申请号：US09177489
申请日：1998-10-23
申请人： Koichi Mizunoya , Ken Yoshikawa , Satoshi Yamanaka , Tatuhiko Watanabe , Shinobu Munekata , Yasuhiro Ikeda
发明人： Koichi Mizunoya , Ken Yoshikawa , Satoshi Yamanaka , Tatuhiko Watanabe , Shinobu Munekata , Yasuhiro Ikeda
IPC分类号： F16J1532
CPC分类号： F16J15/3268 , F16J15/3232
摘要： A sealing apparatus has a metal ring having a cylindrical portion and an inward flange portion bending from the open-air side end of the cylindrical portion radially inward; a first sealing member formed integral with the metal ring, and having a first rubber-like sealing lip, and a flange-shaped interposed portion held between the inward flange position of the metal ring and the radial portion of the first sealing member. A second sealing member made of a resin material, extends from the inside-diameter end of the interposed portion axially toward the sealing liquid side, and is located in a gap between the open-air side surface of the first sealing lip and a rotary member, having the inner periphery thereof in slidable close contact with the surface of the rotary member, and regulates radial deformation of the first sealing lip. A screw pumping portion is provided to transport the liquid between the sliding surfaces to the sealing liquid side on rotation of the rotary member.
摘要翻译： 密封装置具有金属环，其具有从圆筒部的露天侧端径向向内弯曲的圆筒部和向内凸缘部， 与所述金属环一体形成的第一密封构件，具有第一橡胶状密封唇和保持在所述金属环的向内凸缘位置与所述第一密封构件的径向部分之间的凸缘状插入部。 由树脂材料制成的第二密封构件从插入部分的内径端向轴向朝向密封液侧延伸，并且位于第一密封唇的露天侧表面和旋转构件之间的间隙中 其内周与旋转体的表面滑动紧密接触，并调节第一密封唇的径向变形。 提供螺杆抽吸部分，用于在旋转构件旋转时将液体在滑动表面之间输送到密封液体侧。
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公开(公告)号：US06279914B1
公开(公告)日：2001-08-28
申请号：US09177490
申请日：1998-10-23
IPC分类号： F16J1532
CPC分类号： F16J15/3232 , F16J15/3268
摘要： The present invention relates to a lip-type seal of the outer periphery rubber type having a stationary sealing portion made of rubber on the outer periphery of a reinforcing ring. In view of the fact that there is produced a gap corresponding to the rubber thickness of the stationary sealing portion between the outer periphery of the reinforcing ring and inner periphery of the seal attachment hole, the invention has an object to permit certain supporting of the reinforcing ring by means of a stop functional member by expanding the engagement area engaging with the stop functional member. More specifically, in the sealing apparatus of the invention, the engagement portion with the housing is sealed by a stationary sealing portion made of rubber attached to the outer periphery of the cylindrical portion of the reinforcing ring; the sliding portion with the shaft is sealed by sealing lips and supported by the reinforcing ring; and the reinforcing ring axially engages with the stop functional member such as a stop ring fixed to the inner periphery of the housing. In this sealing apparatus thus prevented from coming off, the reinforcing ring is provided with an engagement area expanding section which is arranged on the open-air side of the cylindrical portion, having a larger diameter than the cylindrical portion, arranged near the inner periphery of the housing, and expands the engagement area with the stop ring.
摘要翻译： 本发明涉及一种外周橡胶型的唇型密封件，其具有在加强环的外周上由橡胶制成的固定密封部。 考虑到在加强环的外周和密封附接孔的内周之间产生与固定密封部分的橡胶厚度相对应的间隙的事实，本发明的目的是允许加固件的某些支撑 通过扩大与停止功能部件接合的接合区域，通过止动功能部件环。 更具体地说，在本发明的密封装置中，与外壳的接合部由附着在加强环的圆筒部的外周的由橡胶构成的固定密封部密封， 与轴的滑动部分由密封唇密封并由加强环支撑; 并且加强环与止动功能部件轴向地接合，例如固定到壳体的内周的止动环。 在该封闭装置中防止脱落的情况下，加强环设置有配置在圆筒部的露天侧的接合区域扩大部，该部分的直径大于圆筒部的直径， 壳体，并且与止动环扩张接合区域。
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公开(公告)号：US07665740B2
公开(公告)日：2010-02-23
申请号：US10593093
申请日：2005-03-17
CPC分类号： F16F9/362 , F16J15/166 , F16J15/322 , F16J15/56
摘要： A sealing device for a reciprocating shaft capable of providing sufficient pressure tightness to a main lip and preventing troublesomeness of an assembling operation. The sealing device, which is interposed between a shaft and an outer peripheral member, includes a washer, a main lip integrally bonded to a sealed space side of the washer and slidably brought into close contact with an outer peripheral surface of the shaft, an auxiliary lip integrally formed in an outer peripheral side thereof, a backup ring fitted between an atmosphere side of a slidable surface of the main lip and an inner peripheral portion of the washer, and bearing the main lip from the atmosphere side and the inner peripheral side, a dust lip integrally bonded to the atmosphere side of the washer and slidably brought into close contact with the outer peripheral surface of the shaft, and an outer peripheral lip integrally bonded to an outer peripheral portion of the washer and brought into close contact with the outer peripheral member.
摘要翻译： 一种用于往复式轴的密封装置，其能够向主唇提供足够的压力密封性并防止组装操作的麻烦。 插入在轴与外周构件之间的密封装置包括垫圈，一体地结合到垫圈的密封空间侧的主唇缘，并且可滑动地与轴的外周面紧密接触，辅助 在其外周侧一体形成的唇部，安装在主唇的滑动面的气氛侧和垫圈的内周部之间并且从大气侧和内周侧承载主唇的支撑环， 一体地结合在垫圈的气氛侧的防尘唇部，与轴的外周面滑动地滑动接触，外周唇缘与该垫圈的外周部一体地接合，并与外圈 周边成员。
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公开(公告)号：US20100133758A1
公开(公告)日：2010-06-03
申请号：US12515874
申请日：2007-07-24
申请人： Go Kanzaki , Shinobu Munekata , Naoto Kobayashi , Yuichi Tarukawa
发明人： Go Kanzaki , Shinobu Munekata , Naoto Kobayashi , Yuichi Tarukawa
摘要： To effectively and easily suppress squealing noise occurring when a steering shaft is in strong contact with a bumper portion, a sealing device (1) between a housing and a shaft has a first molding (11) including a bellows-like flexible portion (15) the bumper portion (16), and a seal lip portion (17) integrally on the inner peripheral side of an outer peripheral fixing portion (12) secured to the housing, and a second molding (21) including a second flexible portion (25) and a second bumper portion (26) integrally on the inner peripheral side of a second fixing portion (22) secured to the outer peripheral fixing portion (12), fall out prevention portions (19, 29) are respectively provided on the inner peripheral surfaces of the bumper portion (16) and second bumper portion (26), and resin slide members (20, 30) are fitted without bonding to the fall out prevention portions (19, 29), respectively.
摘要翻译： 为了有效且容易地抑制当转向轴与保险杠部分强烈接触时发生的尖叫噪声，壳体和轴之间的密封装置（1）具有包括波纹管状柔性部分（15）的第一模制件（11） 保险杠部分（16）和密封唇部分（17），以及固定在外壳上的外周固定部分（12）的内周侧上的密封唇部分（17）和包括第二柔性部分（25）的第二模制件（21） 和固定在外周固定部（12）上的第二固定部（22）的内周侧的一体的第二保险杠部（26），防脱部（19,29）分别设在内周面 保险杠部分（16）和第二保险杠部分（26），并且树脂滑动构件（20,30）分别装配到不与防脱部分（19,29）接合。
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公开(公告)号：US20060138729A1
公开(公告)日：2006-06-29
申请号：US10531443
申请日：2003-09-19
IPC分类号： F16J15/32
CPC分类号： F16F9/36 , F16J15/3232 , F16J15/3236 , F16J15/56
摘要： The present invention relates to a reciprocating seal used, for example, for a shock absorber. A main seal lip 32 has a two-step lip structure including a first lip 32a and a second lip 32b and a plurality of protrusions 34 extending in the direction of the shaft are formed on sliding contact surface of the second lip 32b, thereby improving frictional force characteristics and, at the same time, improving sealing performance.
摘要翻译： 本发明涉及例如用于减震器的往复式密封件。 主密封唇32具有包括第一唇缘32a和第二唇缘32b的两段唇缘结构，并且在第二唇缘32b的滑动接触表面上形成有沿轴向方向延伸的多个突起34， 从而提高摩擦力特性，同时提高密封性能。
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公开(公告)号：US07789396B2
公开(公告)日：2010-09-07
申请号：US11922634
申请日：2005-12-14
申请人： Kazuki Takeno , Hideyuki Huruyama , Masayuki Tanida , Hiroki Matsui , Tatsuhiko Watanabe , Shinobu Munekata , Akira Yamaguchi , Hirotaka Mizuta , Kenichi Kunieda , Toshihiro Higashira
发明人： Kazuki Takeno , Hideyuki Huruyama , Masayuki Tanida , Hiroki Matsui , Tatsuhiko Watanabe , Shinobu Munekata , Akira Yamaguchi , Hirotaka Mizuta , Kenichi Kunieda , Toshihiro Higashira
IPC分类号： F16J15/32
CPC分类号： F16J15/3244 , F16J15/324
摘要： This invention provides an oil seal that can maintain an excellent friction reduction function over a long period of time, has excellent abrasion resistance, and further has excellent sealing properties. The oil seal comprises a seal lip (4) formed of a rubber-like elastic material comprising a lip edge part (9) and an air-side slope (8) and a sealing fluid-side slope (10) provided on both sides of the lip edge part (9). The air-side slope (8) has a coating film (14) on its surface. In the lip edge part (9) in its portion in contact with a shaft (13), a sealing fluid-side rubber part (2′) and an air-side coating film (14) are simultaneously brought into contact with the shaft (13). The coating film (14) is preferably formed of a coating agent comprising a fluororesin, a polyethylene resin, an isocyanate-modified polybutadiene resin, and a solvent.
摘要翻译： 本发明提供一种能够长时间保持优异的摩擦降低功能的油封，具有优异的耐磨性，并且还具有优异的密封性。 油封包括由橡胶状弹性材料形成的密封唇缘（4），其包括唇缘部分（9）和空气侧斜面（8）和密封流体侧斜面（10） 唇缘部分（9）。 空气侧斜面（8）的表面具有涂膜（14）。 在与轴（13）接触的部分中的唇缘部分（9）中，密封流体侧橡胶部分（2'）和空气侧涂膜（14）同时与轴接触（ 13）。 涂膜（14）优选由包含氟树脂，聚乙烯树脂，异氰酸酯改性的聚丁二烯树脂和溶剂的涂布剂形成。
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公开(公告)号：US20090267595A1
公开(公告)日：2009-10-29
申请号：US12439819
申请日：2007-08-23
IPC分类号： G01B7/30
CPC分类号： G01P3/487 , F16C33/7879 , F16C41/007 , F16C41/008 , F16J15/326 , G01D5/145 , G01D5/244 , G01P3/443
摘要： A magnetic encoder, which is formed annularly of a magnetic rubber material, is magnetized to be multipolar in the circumferential direction and has a detected surface read by a magnetic sensor, is provided with a three-dimensional shape (3) such as annular steps with a lower surface portion between the higher surface portions at outer and inner circumferential sides, protrusions or notches provided radially, concentrically, in a grid shape, or in a logo pattern, on the detected surface (2), in order to reduce an area which tends to be scratched in the detected surface (2) and to make a scratch inconspicuous when the detected surface (2) is scratched, thereby preventing a significant scratch on the detected surface (2) and make a scratch inconspicuous even if scratched, to prevent reduction in a product value.
摘要翻译： 形成为环状的磁性橡胶材料的磁性编码器在圆周方向被磁化为多极，并且具有由磁性传感器读取的检测面，具有三维形状（3），例如环状台阶， 在外表面和内周侧的较高表面部分之间的下表面部分，在检测表面（2）上径向地，同心地设置成格子形状或徽标图案的突起或凹口，以便减少 容易在检测到的表面（2）中被划伤，并且当检测到的表面（2）被划伤时，划痕不显着，从而防止在检测到的表面（2）上的显着划痕，并且即使划伤也不显眼，以防止 降低产品价值。
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公开(公告)号：US20090200750A1
公开(公告)日：2009-08-13
申请号：US11922634
申请日：2005-12-14
申请人： Kazuki Takeno , Hideyuki Huruyama , Masayuki Tanida , Hiroki Matsui , Tatsuhiko Watanabe , Shinobu Munekata , Akira Yamaguchi , Hirotaka Mizuta , Kenichi Kunieda , Toshihiro Higashira
发明人： Kazuki Takeno , Hideyuki Huruyama , Masayuki Tanida , Hiroki Matsui , Tatsuhiko Watanabe , Shinobu Munekata , Akira Yamaguchi , Hirotaka Mizuta , Kenichi Kunieda , Toshihiro Higashira
IPC分类号： F16J15/32
CPC分类号： F16J15/3244 , F16J15/324
摘要： To maintain an excellent friction reducing function over a long period of time, with having excellent abrasion resistance and excellent sealing properties, the oil seal has a seal lip (4) made of a rubber-like elastic material and provided with an air-side slope (8) and a sealing fluid-side slope (10) on both sides of the lip edge part (9), the air-side slope (8) has a coating film (14) on its surface, a portion in contact with a shaft (13) in the lip edge part (9) is so made that a sealing fluid-side rubber part (2′) and an air-side coating film (14) simultaneously contact with the shaft (13), and the coating film (14) is preferably formed of a coating agent comprising a fluororesin, a polyethylene resin, an isocyanate-modified polybutadiene resin, and a solvent.
摘要翻译： 为了在长时间内保持优异的减摩功能，具有优异的耐磨性和优异的密封性能，油封具有由橡胶状弹性材料制成的密封唇（4），并具有空气侧坡度 （8）和唇缘部分（9）两侧的密封流体侧斜面（10），空气侧斜面（8）在其表面上具有涂膜（14），与一侧面 唇缘部（9）中的轴（13）与密封流体侧橡胶部（2'）和空气侧涂膜（14）同时与轴（13）接触，涂膜 （14）优选由包含氟树脂，聚乙烯树脂，异氰酸酯改性的聚丁二烯树脂和溶剂的涂布剂形成。
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公开(公告)号：US20070194538A1
公开(公告)日：2007-08-23
申请号：US10593093
申请日：2005-03-17
IPC分类号： F16J15/32
CPC分类号： F16F9/362 , F16J15/166 , F16J15/322 , F16J15/56
摘要： A sealing device (4) for a reciprocating shaft capable of providing sufficient pressure tightness to a main lip (42) and preventing troublesomeness of assembling operation. The sealing device, which is interposed between a shaft (1) and an outer peripheral member (2), comprises a washer (41), a main lip (42) integrally bonded to a sealed space (A) side of the washer (41) and slidably brought into close contact with an outer peripheral surface (1a) of the shaft (1), an auxiliary lip (43) integrally formed in an outer peripheral side thereof, a backup ring (44) fitted between an atmosphere (B) side of a slidable surface (42c) of the main lip (42) and an inner peripheral portion (41a) of the washer (41), and bearing the main lip (42) from the atmosphere (B) side and the inner peripheral side, a dust lip (45) integrally bonded to the atmosphere (B) side of the washer (41) and slidably brought into close contact with the outer peripheral surface (1a) of the shaft (1), and an outer peripheral lip (46) integrally bonded to an outer peripheral portion (41b) of the washer (41) and brought into close contact with the outer peripheral member (2).
摘要翻译： 一种用于往复式轴的密封装置（4），其能够向主唇（42）提供足够的压力密封性并防止组装操作的麻烦。 介于轴（1）和外周构件（2）之间的密封装置包括垫圈（41），一体地接合到垫圈（41）的密封空间（A）侧的主唇缘 ），并且与所述轴（1）的外周面（1a）可滑动地紧密接触，在其外周侧一体形成的辅助唇缘（43），安装在气氛（B） ）和主唇（42）的滑动表面（42c）和垫圈（41）的内周部分（41a）之间，并且从大气（B）侧承载主唇缘（42） 一体地结合到所述垫圈（41）的大气（B）侧并与所述轴（1）的外周面（1a）紧密接触的防尘唇缘（45） 一体地结合到所述垫圈（41）的外周部（41a）上并且与所述外圈（41）紧密接触的周缘（46） 外围构件（2）。
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公开(公告)号：US20110193294A1
公开(公告)日：2011-08-11
申请号：US12671637
申请日：2008-08-05
申请人： Shinobu Munekata
发明人： Shinobu Munekata
IPC分类号： F16J15/40
CPC分类号： F16J15/3264 , F16C33/7826 , F16C33/7883 , F16C2300/02 , F16J15/164
摘要： A sealing device for performing sealing by a throw off effect of a slinger (2) is provided with a stationary sealing element (1), which has a thrust lip (12) and a radial lip (13) on the radially inner side thereof and is installed on a stationary member (101), and the slinger (2), which has a sleeve (21) fitted on a rotary member (102) and a flange (22) extending from one end of the sleeve (21). The thrust lip (12) slidably contacts with the flange (22), and the radial lip (13) slidably contacts with the outer peripheral surface of the sleeve (21). A circumferentially continuous dam (23) is provided on the outer peripheral surface of the sleeve (21) to be positioned on the flange (22) side of an intimate contact slide section (S2) of the radial lip (13). The dam (23) is a ridge (231) or a groove.
摘要翻译： 用于通过抛油环（2）的抛出效果进行密封的密封装置设置有静止密封元件（1），其在径向内侧具有推力唇缘（12）和径向唇缘（13），并且 安装在固定构件（101）上，并且具有安装在旋转构件（102）上的套筒（21）和从套筒（21）的一端延伸的凸缘（22））的抛油环（2）。 所述推力唇缘（12）与所述凸缘（22）滑动接触，并且所述径向唇缘（13）与所述套筒（21）的外周表面滑动接触。 在套筒（21）的外周面上设置周向连续的坝（23），以定位在径向唇缘（13）的紧密接触滑动部分（S2）的凸缘（22）侧上。 坝（23）是脊（231）或凹槽。
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