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    • 21. 发明授权
    • Sealing ring with a pulsar ring for a rotary encoder
    • 密封环,带旋转编码器的脉冲星环
    • US07960967B2
    • 2011-06-14
    • US12225495
    • 2007-03-15
    • Naoto Kobayashi
    • Naoto Kobayashi
    • G01P3/48G01B7/30
    • G01D5/2451F16C19/184F16C33/7879F16C33/7889F16C41/007F16C2326/02G01P3/443
    • A pulsar ring for a rotary encoder has a mounting ring (1) made of a non-magnetic material, with one end being fixed to an inner ring (202) at the rotation side and the other end being positioned in proximity to an outer ring (201) at the stationary side via labyrinth-shaped clearances (G1, G2, G3), a pulsar ring body (2) formed by a synthetic resin material or rubber-like elastic material mixed with magnetic powder, magnetized to have multiple poles, and integrally installed on an inner surface of the mounting ring (1), and a seal ring (3) disposed inside the mounting ring (1), fixed to the inner ring (202) via the mounting ring (1), and slidably in contact with the outer ring (201), whereby the pulsar ring is hardly exposed to disturbances by foreign matters, muddy water, and external magnetic fields from the outside, and consequently can maintain a stable magnetic pattern.
    • 用于旋转编码器的脉冲星环具有由非磁性材料制成的安装环(1),其一端在旋转侧固定到内环(202),另一端位于外环附近 (201)通过迷宫形间隙(G1,G2,G3)在固定侧,由合成树脂材料或与磁粉混合的橡胶状弹性材料形成的脉冲星环体(2)被磁化成具有多个极, 并且一体地安装在所述安装环(1)的内表面上,以及密封环(3),其设置在所述安装环(1)的内部,经由所述安装环(1)固定到所述内圈(202) 与外圈(201)接触,由此脉冲星环几乎不会受到异物,泥水和来自外部的外部磁场的干扰,从而可以保持稳定的磁性图案。
    • 22. 发明申请
    • SEALING DEVICE FOR UNIVERSAL JOINT
    • 密封设备用于通用接头
    • US20100289226A1
    • 2010-11-18
    • US12680883
    • 2008-09-29
    • Naoto Kobayashi
    • Naoto Kobayashi
    • F16J15/32
    • F16J15/3232F16C33/7809F16C2361/41F16D3/385
    • To prevent damage and malfunction, a sealing device for a universal joint has a metal ring (11) fitted on the outer peripheral surface of a shaft portion (111) of a cruciform spider (110) of the universal joint, and inner seal lips (12, 13) and an outer seal lip (14) made of a rubber-like elastic material and provided integrally with the metal ring (11), the inner seal lips (12, 13) slidably contact with the inner peripheral surface of an end of an outer ring (121) of a bearing (120) relatively rotatably supporting the shaft portion (111), the outer seal lip (14) slidably contact with a rising surface (112a) of a boss portion (112) of the cruciform spider (110), and the rising surface (112a) is a surface rising, outside the position where the metal ring (11) is fitted, in an outward radial direction from the shaft portion (111).
    • 为了防止损坏和故障,用于万向接头的密封装置具有安装在万向接头的十字形蜘蛛(110)的轴部(111)的外周面上的金属环(11)和内密封唇 12和13)和由橡胶状弹性材料制成并与金属环(11)一体设置的外部密封唇缘(14),内部密封唇缘(12,13)与端部的内周表面滑动接触 的轴承(120)的外圈(121)相对可旋转地支撑所述轴部(111),所述外密封唇(14)与所述十字形蜘蛛的凸台部(112)的上升表面(112a)滑动接触, (110),并且所述上升面(112a)是从所述轴部(111)向外径方向上升高在所述金属环(11)的所述位置的外侧的表面。
    • 23. 发明授权
    • Sealing apparatus with encoder
    • 带编码器的密封装置
    • US07232129B2
    • 2007-06-19
    • US10961049
    • 2004-10-12
    • Naoto Kobayashi
    • Naoto Kobayashi
    • F16J15/02
    • G01P3/443F16C19/184F16C33/7883F16C41/007F16C2326/02F16J15/326
    • To prevent lowering and unstableness of magnetic force and trouble caused by influence of muddy water or the like entered between the magnetic encoder (21) and a magnetic sensor (6), a sealing apparatus (4) comprises an approximately C-shaped protecting annular member (11) fitted to one of an inner member (1) and an outer member (2), a first encoder member (12) having a cylinder portion (12a) fitted to the protecting annular member (11), a second encoder member (13) held between the protecting annular member (11) and the first encoder member (12), a seal annular member (14), and a seal member (15) which is vulcanized and bonded to the seal annular member (14) and has seal lips slidably contacting with the protecting annular member (11) and the encoder member (12).
    • 为了防止在磁性编码器(21)和磁性传感器(6)之间进入的泥水等的影响引起的磁力的降低和不稳定以及故障,密封装置(4)包括大致C形的保护环形构件 (11),安装在内部构件(1)和外部构件(2)中的一个上;第一编码器构件(12),具有装配到保护环形构件(11)的圆筒部分(12a),第二编码器构件 (13),其保持在保护环形构件(11)和第一编码器构件(12)之间,密封环形构件(14)和密封构件(15),其被硫化并结合到密封环形构件(14)和 具有与保护环形构件(11)和编码器构件(12)可滑动接触的密封唇。
    • 24. 发明申请
    • Sealing device
    • 密封装置
    • US20070024273A1
    • 2007-02-01
    • US10571106
    • 2004-09-10
    • Naoto Kobayashi
    • Naoto Kobayashi
    • H02K19/20G01P3/48F16C41/04
    • F16C41/007F16C19/184F16C33/768F16C33/783F16C33/7879F16C2326/02F16J15/326
    • To provide a sealing device in which a magnetic encoder can be protected so as to improve detecting precision and reliability, without increasing the number of parts and assembling man-hour and without enlarging a setting space, the sealing device is structured such that a detected portion is arranged in the sealed fluid side of an annular member, a first annular member fitted to a shaft is formed with an axial direction portion and diametrical direction portions extending in the inward and outward diametrical directions from the axial direction portion, one of the diametrical direction portions supports the detected portion in the sealed fluid side, a seal lip is in slidably contact with the other diametrical direction portion for sealing, and the seal portion is formed with the seal lip and the micro space.
    • 为了提供一种可以保护磁性编码器以便提高检测精度和可靠性的密封装置,而不增加部件数量和组装工时并且不扩大设置空间,密封装置被构造成使得检测部分 设置在环状部件的密封流体侧,嵌合于轴的第一环状部件形成有沿轴向方向部分沿径向方向部分延伸的轴向方向部分和直径方向部分,径向方向 部分支撑密封流体侧的检测部分,密封唇与另一个直径方向部分滑动接触以进行密封,并且密封部分形成有密封唇和微空间。
    • 27. 发明授权
    • Sealing device for universal joint
    • 万向节密封装置
    • US08196932B2
    • 2012-06-12
    • US12680883
    • 2008-09-29
    • Naoto Kobayashi
    • Naoto Kobayashi
    • F16J9/00F16J15/32
    • F16J15/3232F16C33/7809F16C2361/41F16D3/385
    • To prevent damage and malfunction, a sealing device for a universal joint has a metal ring (11) fitted on the outer peripheral surface of a shaft portion (111) of a cruciform spider (110) of the universal joint, and inner seal lips (12, 13) and an outer seal lip (14) made of a rubber-like elastic material and provided integrally with the metal ring (11), the inner seal lips (12, 13) slidably contact with the inner peripheral surface of an end of an outer ring (121) of a bearing (120) relatively rotatably supporting the shaft portion (111), the outer seal lip (14) slidably contact with a rising surface (112a) of a boss portion (112) of the cruciform spider (110), and the rising surface (112a) is a surface rising, outside the position where the metal ring (11) is fitted, in an outward radial direction from the shaft portion (111).
    • 为了防止损坏和故障,用于万向接头的密封装置具有安装在万向接头的十字形蜘蛛(110)的轴部(111)的外周面上的金属环(11)和内密封唇 12和13)和由橡胶状弹性材料制成并与金属环(11)一体设置的外部密封唇缘(14),内部密封唇缘(12,13)与端部的内周表面滑动接触 的轴承(120)的外圈(121)相对可旋转地支撑所述轴部(111),所述外密封唇(14)与所述十字形蜘蛛的凸台部(112)的上升表面(112a)滑动接触, (110),并且所述上升面(112a)是从所述轴部(111)向外径方向上升高在所述金属环(11)的所述位置的外侧的表面。
    • 28. 发明申请
    • HERMETIC SEALING DEVICE
    • 密封密封装置
    • US20100066030A1
    • 2010-03-18
    • US12521824
    • 2007-12-12
    • Naoto Kobayashi
    • Naoto Kobayashi
    • F16J15/34
    • F16J15/324F16J15/3264
    • To provide a sealing device having a side lip in slidably contact with a mate member like a slinger, wherein a contact state of the side lip is stabilized and sliding resistance of the side lip is reduced when lip tightening margin becomes maximum, a contact surface (6c) of a contact part (6a) of the side lip (6) has a cross-section of a straight shape in a free state, a noncontact part (6b) of the side lip (6) has a grease holding portion (11) for holding grease supplied to the contact part (6a), the grease holding portion (11) is arranged at a position becoming the boundary between the contact part (6a) and the noncontact part (6b) when the width (W1) of the contact part (6a) and lip tightening margin become maximum, and the grease holding portion (11) consists of an annular groove (12) or radial grooves.
    • 提供一种密封装置,其具有与诸如抛油环的配合构件滑动接触的侧唇,其中,当唇缘紧固边缘变得最大时,侧唇的接触状态被稳定并且侧唇的滑动阻力减小,接触表面 侧唇缘(6)的接触部分(6a)的6c具有自由状态的直线形状的横截面,侧唇(6)的非接触部分(6b)具有润滑脂保持部分(11) ),用于保持供给到接触部分(6a)的润滑脂,润滑脂保持部分(11)设置在成为接触部分(6a)和非接触部分(6b)之间边界的位置,当宽度(W1) 接触部分(6a)和唇缘紧固边缘变得最大,并且润滑脂保持部分(11)由环形槽(12)或径向槽组成。
    • 29. 发明申请
    • SEALING DEVICE
    • 密封装置
    • US20100066029A1
    • 2010-03-18
    • US12595189
    • 2008-02-27
    • Naoto KobayashiGo Kanzaki
    • Naoto KobayashiGo Kanzaki
    • F16J15/34
    • F16J15/3456F16C19/184F16C33/7876F16C2326/02F16J15/3232F16J15/3268
    • To avoid interference of a side lip when plural sealing devices are piled up, a sealing device installed on one member of two members rotating relatively is constructed by combining a mounting ring fitted on the one member and a rubber-like elastic body attached on the mounting ring, and has a side lip formed by the elastic body, the mounting ring has a cylinder portion at a position fitted on the peripheral surface of the one member, the elastic body has a rubber step part provided at axially one side of the cylinder portion, the cylinder portion and the rubber step part have a positional relationship that the former of an upper sealing device is placed on the latter of the one sealing device when piled up, and the side lip of the one sealing device is dimensioned not to interfere with the upper sealing device even when they are in such a positional relationship.
    • 为了避免多个密封装置堆积时的侧唇的干涉,安装在两个相对旋转的构件的一个构件上的密封装置通过组装安装在一个构件上的安装环和安装在安装件上的橡胶状弹性体 并且具有由所述弹性体形成的侧唇,所述安装环在安装在所述一个构件的周面上的位置处具有圆筒部,所述弹性体具有设置在所述圆筒部的轴向一侧的橡胶台阶部 气缸部分和橡胶台阶部分具有位置关系,当堆积时,上密封装置的前者放置在一个密封装置的后者上,并且一个密封装置的侧唇的尺寸被设计成不干扰 上密封装置即使处于这样的位置关系中也是如此。
    • 30. 发明申请
    • Sealing Device
    • 密封装置
    • US20090256316A1
    • 2009-10-15
    • US12084364
    • 2006-11-01
    • Go KanzakiNaoto KobayashiShinobu Munekata
    • Go KanzakiNaoto KobayashiShinobu Munekata
    • F16J15/32
    • F16J15/3268F16C33/7876F16C43/045F16C2326/02F16J15/3232F16J15/324
    • To prevent grease applied to seal lips of sealing device from adhering to an attaching ring of an adjacent sealing device when the sealing devices are stacked in the axial direction, a sealing device (1) comprising seal lips (12, 13) made of a rubber-like elastic material and integrally provided on an attaching ring (11) has a projection (17) made of a rubber-like elastic material and provided at an outer periphery of the attaching ring (11) so that the projection (17) serves as a retention portion to contact with the attaching ring (11) of the adjacent sealing device (1) at the side to which the seal lips (12, 13) are directed when the sealing devices (1) are stacked, whereby desired gaps (δ1, δ2) are retained between grease (G) applied to the sealing lips (12, 13) and the attaching ring (11) of the adjacent sealing device (1).
    • 为了防止当密封装置沿轴向堆叠时,密封装置的唇缘被密封的唇缘粘附到相邻的密封装置的安装环上,密封装置(1)包括由橡胶制成的密封唇(12,13) 一体地设置在安装环(11)上的突起(17)具有由橡胶状的弹性材料制成并设置在安装环(11)的外周的突起(17),使得突起(17)用作 保持部分,当所述密封装置(1)被堆叠时,所述保持部分与所述相邻的密封装置(1)的所述密封唇缘(12,13)所指向的一侧的所述连接环(11)接触,从而形成期望的间隙 ,δ2)保持在施加到密封唇(12,13)的润滑脂(G)和相邻密封装置(1)的附接环(11)之间。