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公开(公告)号：US20080028870A1
公开(公告)日：2008-02-07
申请号：US11579948
申请日：2005-05-10
IPC分类号： G01L3/10
摘要： A torque detecting apparatus is provided which is capable of easily positioning a magnetic sensor in relation to a corresponding pair of magnetism collecting projections and thus improving the detection accuracy of the magnetic sensor without increasing the number of assembling and processing steps. A pair of magnetism collecting projections 60 and 60 of each magnetism collecting ring 6 are arranged to extend not in their respective radial directions but substantially in parallel to each other while two magnetic sensors 7 and 7 are mounted to a circuit board 70 and inserted along the direction of projection of the magnetism collecting projections 60 and 60 into the air gaps respectively between the two magnetism collecting projection 60 and 60 of one magnetism collecting ring 6 and the two magnetism collecting projection 60 and 60 of the other magnetism collecting ring 6.
摘要翻译： 提供了一种扭矩检测装置，其能够相对于相应的一对磁集合突起容易地定位磁传感器，从而在不增加组装和处理步骤的数量的情况下提高磁传感器的检测精度。 每个磁集合环6的一对磁集合突起60和60布置成不在其相应的径向方向上延伸但基本上彼此平行地延伸，而两个磁传感器7和7安装到电路板70并沿着 磁集合突起60和60分别投射到一个磁集合环6的两个磁集合突起60和60之间的空气间隙和另一个集磁环6的两个磁集合突起60和60的方向。
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12.发明授权Torque detecting device and electric power steering apparatus using the same 有权转矩检测装置及使用该转矩检测装置的电动助力转向装置公开(公告)号：US07950494B2
公开(公告)日：2011-05-31
申请号：US11992829
申请日：2006-09-27
摘要： There is provided a torque detecting device including: magnetic flux concentrating rings which locate on a magnetic circuit forming member provided in a rotating body to which a torque is exerted, the rings concentrating a magnetic flux generated by the member; a detecting part which detects the torque to the rotating body based on a density of the magnetic flux concentrated by the rings; and a holding ring which holds the magnetic flux concentrating rings and the detecting part and includes an attachment portion attaching to a stationary substance, on a circumference of the holding ring. Both end faces of the holding ring in an axial direction of the holding ring are substantially parallel. The attachment portion includes a fitting groove into which a sealing ring, which seals a gap between the attachment portion and the stationary substance, fits.
摘要翻译： 提供了一种扭矩检测装置，包括：磁通集中环，其位于设置在施加扭矩的旋转体中的磁路形成部件上，所述环集中由所述部件产生的磁通量; 检测部，其基于由所述环集中的磁通量的密度来检测对所述旋转体的转矩; 以及保持环，该保持环保持磁集中环和检测部，并且在保持环的圆周上包括附接到固定物质的附接部。 保持环的两个端面在保持环的轴向方向上基本上平行。 安装部分包括一个装配槽，密封环在该嵌合槽中，该密封环密封安装部分和固定物质之间的间隙。
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公开(公告)号：US07568400B2
公开(公告)日：2009-08-04
申请号：US11579948
申请日：2005-05-10
IPC分类号： G01L3/02
摘要： A torque detecting apparatus is provided which is capable of easily positioning a magnetic sensor in relation to a corresponding pair of magnetism collecting projections and thus improving the detection accuracy of the magnetic sensor without increasing the number of assembling and processing steps.A pair of magnetism collecting projections 60 and 60 of each magnetism collecting ring 6 are arranged to extend not in their respective radial directions but substantially in parallel to each other while two magnetic sensors 7 and 7 are mounted to a circuit board 70 and inserted along the direction of projection of the magnetism collecting projections 60 and 60 into the air gaps respectively between the two magnetism collecting projection 60 and 60 of one magnetism collecting ring 6 and the two magnetism collecting projection 60 and 60 of the other magnetism collecting ring 6.
摘要翻译： 提供了一种扭矩检测装置，其能够相对于相应的一对磁集合突起容易地定位磁传感器，从而在不增加组装和处理步骤的数量的情况下提高磁传感器的检测精度。 每个磁集合环6的一对磁集合突起60和60布置成不在其相应的径向方向上延伸但基本上彼此平行地延伸，而两个磁传感器7和7安装到电路板70并沿着 磁集合突起60和60分别投射到一个磁集合环6的两个磁集合突起60和60之间的空气间隙和另一个集磁环6的两个磁集合突起60和60的方向。
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公开(公告)号：US07509883B2
公开(公告)日：2009-03-31
申请号：US11100463
申请日：2005-04-07
申请人： Tetsuya Murakami , Takeshi Izumi , Yoshitomo Tokumoto , Takashi Kaoku , Norio Nakatani , Toshiharu Ishihara , Naoki Nakane
发明人： Tetsuya Murakami , Takeshi Izumi , Yoshitomo Tokumoto , Takashi Kaoku , Norio Nakatani , Toshiharu Ishihara , Naoki Nakane
IPC分类号： G01L3/00
摘要： A detecting unit for detecting a torque applied to a rotor according to rotation of the rotor having an input shaft and an output shaft connected with each other by a torsion bar and a detection circuit board connected with the detecting unit are molded with synthetic resin material to form a mold member. The installation of the mold member into a housing, which has a cylinder portion to surround the rotor and a retainer having an opening formed at the peripheral wall of the cylinder portion, is achieved by inserting the mold member into the retainer from the radial direction through the opening of the retainer.
摘要翻译： 检测单元，用于根据具有输入轴和输出轴的转子的旋转来检测施加到转子的转矩，所述转子和输出轴通过扭杆和与检测单元连接的检测电路板彼此连接，用合成树脂材料模制成 形成模具构件。 将模具部件安装到具有围绕转子的圆筒部分的壳体和具有形成在圆筒部分的周壁上的开口的保持器中，通过将模具部件从径向方向通过 打开保持架。
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公开(公告)号：US20080092670A1
公开(公告)日：2008-04-24
申请号：US11569227
申请日：2005-05-16
IPC分类号： G01L3/10
CPC分类号： G01L3/104
摘要： Magnetic pole nails 51, 51 . . . aligned on magnetic yokes 5, 5 that integrally rotate with the second shaft 2 are formed in a rectangular shape, and the circumferential width and alignment pitch of the magnetic pole nails 51, 51 . . . are appropriately determined with respect to the magnetization pitch of the N-poles 40, 40 . . . and the S-poles 41, 41 . . . circumferentially aligned on the cylindrical magnet 4 that integrally rotates with the first shaft 1, so that a variation in magnetic flux generated on the magnetic yoke 5, 5 in accordance with the relative displacement between the cylindrical magnet 4 and the magnetic yoke 5, 5 uniformly takes place in a larger amplitude. Thus, a torque detecting apparatus that achieves higher detection accuracy with a simple structure can be provided.
摘要翻译： 磁极钉51,51。 。 。 与第二轴2一体旋转的磁轭5,5形成为矩形，磁极钉51,51的周向宽度和取向间距。 。 。 相对于N极40,40的磁化间距适当确定。 。 。 和S极41,41。 。 。 在与第一轴1一体旋转的圆筒形磁体4上周向对准，使得根据圆柱形磁体4和磁轭5之间的相对位移5在磁轭5,5上产生的磁通量的变化均匀 发生在更大的幅度。 因此，可以提供以简单结构实现更高检测精度的扭矩检测装置。
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公开(公告)号：US07293472B2
公开(公告)日：2007-11-13
申请号：US11332714
申请日：2006-01-13
IPC分类号： G01L3/10
CPC分类号： G01L3/104
摘要： In a torque detecting apparatus, in each of two flux concentrating rings, a portion along a circumferential direction is raised outward in a radial direction so that a flux concentrating section is provided that has a plate shape extending on one side in an axial direction. These flux concentrating rings are fixedly arranged such that the flux concentrating sections should oppose to each other in the circumferential direction with a predetermined gap in between. Leakage flux between opposing surfaces of the flux concentrating sections is detected by magnetic sensors aligned in an axial direction between these opposing surfaces. This improves the utilization of materials for the flux concentrating rings including the flux concentrating sections, and hence reduces the product cost.
摘要翻译： 在扭矩检测装置中，在两个集流环中的每一个中，沿圆周方向的一部分沿径向向外凸出，从而设置具有在轴向一侧延伸的板状的通量集中部。 这些集流环被固定地布置成使得通量集中部分在圆周方向上彼此相对，并且在其间具有预定的间隙。 通过在这些相对的表面之间沿轴向对准的磁性传感器来检测通量集中部分的相对表面之间的泄漏通量。 这提高了包括通量浓缩部分的通量集中环的材料的利用率，因此降低了产品成本。
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公开(公告)号：US20060021451A1
公开(公告)日：2006-02-02
申请号：US11193854
申请日：2005-07-29
IPC分类号： G01L3/10
摘要： A torque detecting apparatus according to the present invention includes a first shaft and a second shaft connected coaxially to each other through a connecting shaft, a permanent magnet fixed to the first shaft, a plurality of soft magnetic members having a collar provided therein, fitted by pressing with the second shaft and disposed in a magnetic field of the permanent magnet to form a magnetic circuit, and a detector for detecting magnetic flux generated from the soft magnetic members, wherein the soft magnetic members are integrally molded with a mold body made of synthetic resin, and when a torque is applied to the first shaft or the second shaft, the torque is detected based on an output of the detector. The collar is made of a non-magnetic material.
摘要翻译： 根据本发明的扭矩检测装置包括通过连接轴彼此同轴连接的第一轴和第二轴，固定到第一轴的永磁体，具有设置在其中的轴环的多个软磁性部件， 与第二轴按压并设置在永磁体的磁场中以形成磁路，以及检测器，用于检测从软磁体产生的磁通量，其中软磁体与由合成的模具体整体模制 树脂，并且当向第一轴或第二轴施加扭矩时，基于检测器的输出来检测扭矩。 套环由非磁性材料制成。
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公开(公告)号：US20070186695A1
公开(公告)日：2007-08-16
申请号：US11669509
申请日：2007-01-31
IPC分类号： G01L3/00
摘要： An inventive torque detection device includes: a magnetic circuit forming member having a tubular magnet provided at a first rotating body, and a magnetic ring that is located circumferentially of the tubular magnet and rotated together with a second rotating body connected to the first rotating body; a magnetic flux collecting ring part for collecting a generated magnetic flux; a detection part for detecting, based on a density of the collected magnetic flux, a torque applied to the first or second rotating body; and a molded body that is molded at an outer circumferential portion of the first rotating body, and is joined to longitudinal both sides of the tubular magnet so as to fix the tubular magnet to the first rotating body. A molding pressure, generated when the tubular magnet is molded, is applied in the longitudinal direction of the tubular magnet.
摘要翻译： 本发明的扭矩检测装置包括：具有设置在第一旋转体上的管状磁体的磁路形成部件和位于管状磁体周向并与连接到第一旋转体的第二旋转体一起旋转的磁环; 用于收集产生的磁通量的磁通收集环部分; 检测部，其基于所收集的磁通的密度，检测施加到所述第一或第二旋转体的转矩; 以及成型体，其在第一旋转体的外周部分成型，并且与管状磁体的纵向两侧接合，以将管状磁体固定到第一旋转体。 当管状磁体模制时产生的成型压力沿管状磁体的纵向施加。
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公开(公告)号：US07500408B2
公开(公告)日：2009-03-10
申请号：US11669509
申请日：2007-01-31
IPC分类号： G01L3/00
摘要： An inventive torque detection device includes: a magnetic circuit forming member having a tubular magnet provided at a first rotating body, and a magnetic ring that is located circumferentially of the tubular magnet and rotated together with a second rotating body connected to the first rotating body; a magnetic flux collecting ring part for collecting a generated magnetic flux; a detection part for detecting, based on a density of the collected magnetic flux, a torque applied to the first or second rotating body; and a molded body that is molded at an outer circumferential portion of the first rotating body, and is joined to longitudinal both sides of the tubular magnet so as to fix the tubular magnet to the first rotating body. A molding pressure, generated when the tubular magnet is molded, is applied in the longitudinal direction of the tubular magnet.
摘要翻译： 本发明的扭矩检测装置包括：具有设置在第一旋转体上的管状磁体的磁路形成部件和位于管状磁体周向并与连接到第一旋转体的第二旋转体一起旋转的磁环; 用于收集产生的磁通量的磁通收集环部分; 检测部，其基于所收集的磁通的密度，检测施加到所述第一或第二旋转体的转矩; 以及成型体，其在第一旋转体的外周部分成型，并且与管状磁体的纵向两侧接合，以将管状磁体固定到第一旋转体。 当管状磁体模制时产生的成型压力沿管状磁体的纵向施加。
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公开(公告)号：US07886619B2
公开(公告)日：2011-02-15
申请号：US11702654
申请日：2007-02-06
申请人： Takashi Kaoku , Norio Nakatani , Taisuke Tujimoto , Akio Osuka , Keizo Arita , Noriyuki Yahata , Naoki Nakane
发明人： Takashi Kaoku , Norio Nakatani , Taisuke Tujimoto , Akio Osuka , Keizo Arita , Noriyuki Yahata , Naoki Nakane
IPC分类号： G01L3/00
CPC分类号： G01L3/104
摘要： A torque detecting apparatus includes two magnetism collecting rings cylindrical portions enclosing a magnetic circuit forming member provided on a rotating body and a magnetism sensitive device disposed between the protruding pieces protruding from parts of the cylindrical portions in an radially outward direction of the cylindrical portions. It includes a regulating body for regulating a relative position between the magnetism sensitive device and the protruding pieces respectively. This regulating body includes two inserting recesses into which each of protruding pieces is inserted respectively, each recess having a prismatic shape. It also has a connecting part connecting inner edges of apertures of the inserting recesses to each other. It also has a holding part holding the magnetism sensitive device between the inserting recesses.
摘要翻译： 扭矩检测装置包括：两个收集环的圆柱形部分，包围设置在旋转体上的磁路形成部件;以及磁敏元件，设置在从圆筒部分的一部分沿圆柱形部分的径向向外突出的突出片之间。 它包括用于分别调节磁敏元件与突出片之间的相对位置的调节体。 该调节体包括两个插入凹部，每个突出片分别插入该凹槽中，每个凹部具有棱柱形状。 它还具有将插入凹槽的孔的内边缘彼此连接的连接部分。 它还具有在插入凹部之间保持磁敏装置的保持部分。
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