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    • 1. 发明申请
    • Rotary position sensor
    • 旋转位置传感器
    • US20060273784A1
    • 2006-12-07
    • US11144081
    • 2005-06-03
    • Arquimedes GodoyDaniel MartinezJuan LozanoJose AlmarazRuben Garcia
    • Arquimedes GodoyDaniel MartinezJuan LozanoJose AlmarazRuben Garcia
    • G01B7/14
    • G01D11/245G01D5/145
    • A robust, low cost, compact and highly accurate rotary position sensor is disclosed for measuring the relative angular position (within a range≦180°) of a housing or stator and a rotor. The housing carries a galvanomagnetic sensing element and is adapted for fixation to a relatively fixed portion of a host system. The rotor carrying a magnet is disposed for rotation about a fixed axis with respect to the stator and is interconnected to a relatively moving portion of the host system through intermediate linkage. The magnet is juxtaposed in substantially axial alignment with the galvanomagnetic sensing element for magnetic interaction therewith. The housing defines a cavity to receive potting material for encasing the galvanomagnetic sensing element and an adjacent buffer cavity interconnected by a weir, which diverts ant excess potting material into the buffer cavity.
    • 公开了用于测量壳体或定子和转子的相对角度位置(在<= 180°)的范围内的稳健,低成本,紧凑且高精度的旋转位置传感器。 壳体承载电磁感测元件并且适于固定到主机系统的相对固定的部分。 承载磁体的转子被设置成相对于定子围绕固定轴线旋转,并通过中间连杆与主机系统的相对运动的部分相互连接。 磁体与电流磁感应元件基本轴向对准并用于与其磁性相互作用。 壳体限定一个腔体,以容纳用于封装电磁感应元件的灌封材料和由堰互相连接的相邻缓冲腔,其将蚂蚁多余的灌封材料转移到缓冲腔中。
    • 2. 发明申请
    • Electrical device enclosure
    • 电气设备外壳
    • US20060274485A1
    • 2006-12-07
    • US11145406
    • 2005-06-03
    • Arquimedes GodoyDaniel MartinezJuan LozanoJose AlmarazRuben Garcia
    • Arquimedes GodoyDaniel MartinezJuan LozanoJose AlmarazRuben Garcia
    • H02B1/26
    • G01D11/245G01D5/12
    • A robust, low cost, compact and highly accurate rotary position sensor is disclosed for measuring the relative angular position (within a range ≦180°) of a housing or stator and a rotor. The housing carries a galvanomagnetic sensing element and is adapted for fixation to a relatively fixed portion of a host system. The rotor carrying a magnet is disposed for rotation about a fixed axis with respect to the stator and is interconnected to a relatively moving portion of the host system through intermediate linkage. The magnet is juxtaposed in substantially axial alignment with the galvanomagnetic sensing element for magnetic interaction therewith. The housing defines a cavity to receive potting material for encasing the galvanomagnetic sensing element and an adjacent buffer cavity interconnected by a weir, which diverts ant excess potting material into the buffer cavity.
    • 公开了用于测量壳体或定子和转子的相对角度位置(在<= 180°)的范围内的稳健,低成本,紧凑且高精度的旋转位置传感器。 壳体承载电磁感测元件并且适于固定到主机系统的相对固定的部分。 承载磁体的转子被设置成相对于定子围绕固定轴线旋转,并通过中间连杆与主机系统的相对运动的部分相互连接。 磁体与电流磁感应元件基本轴向对准并用于与其磁性相互作用。 壳体限定一个腔体,以容纳用于封装电磁感应元件的灌封材料和由堰互相连接的相邻缓冲腔,其将蚂蚁多余的灌封材料转移到缓冲腔中。
    • 4. 发明申请
    • Apparatus for sensing angular position
    • 用于检测角位置的装置
    • US20050194966A1
    • 2005-09-08
    • US10792487
    • 2004-03-03
    • Daniel MartinezArquimedes GodoyJose Almaraz
    • Daniel MartinezArquimedes GodoyJose Almaraz
    • G01D5/14G01B7/14G01B7/30G01R35/00
    • G01D5/145
    • An apparatus for sensing a position of an object is provided that may include a magnet having a set of magnetic flux properties, the magnet mounted for movement about an axis relative to the object and a magnetic field-sensing device mounted in fixed relation to and spaced from the magnet, the magnetic field-sensing device calibrated to sense a change in at least one magnetic flux property in response to movement of the magnet relative to the object and generate a data signal indicative of a position of the object. In one aspect the magnet is configured to have a substantially diamond shaped cross section and the magnetic field-sensing device is calibrated to sense a change in flux density distribution in response to a change in an air gap defined between an exterior surface of the magnet and the magnetic field-sensing device.
    • 提供了一种用于感测物体位置的装置,其可以包括具有一组磁通特性的磁体,所述磁体被安装成围绕相对于物体的轴线移动;以及磁场感测装置,其以固定关系和间隔安装 所述磁场检测装置被校准为响应于所述磁体相对于所述物体的移动而感测至少一个磁通量特性的变化,并产生指示所述物体的位置的数据信号。 在一个方面,磁体被配置为具有基本菱形的横截面,并且磁场感测装置被校准以响应于在磁体的外表面和磁体的外表面之间限定的气隙的变化来感测磁通密度分布的变化 磁场感测装置。
    • 5. 发明申请
    • Apparatus for sensing angular positions of an object
    • 用于检测物体的角位置的装置
    • US20050194967A1
    • 2005-09-08
    • US10792488
    • 2004-03-03
    • Arquimedes GodoyDaniel MartinezJose Almaraz
    • Arquimedes GodoyDaniel MartinezJose Almaraz
    • G01D5/14G01B7/30
    • G01D5/145
    • An apparatus for sensing a position of an object is provided that may include a magnet mounted for rotation about an axis and a magnetic field-sensing device mounted in fixed relation to and spaced from the magnet wherein the magnet is shaped to define a distance between an exterior surface of the magnet and a surface of the magnetic field-sensing device whereby rotation of the magnet causes the distance to change at a rate so that a flux density distribution sensed by the magnetic field-sensing device changes at a substantially linear rate. In one aspect the magnet is configured to have a substantially elliptical shape and the magnetic field-sensing device is a Hall-effect sensor. A sensor system may include a housing, a magnet having an exterior surface defining a radius of curvature and a shaft rotatably coupled with the housing with the magnet connected to the shaft for rotation about an axis in response to an angular displacement of an object. A magnetic field-sensing device may be provided that is coupled with the housing and spaced from the magnet to define an air gap there between. The air gap may change at a rate in response to rotation of the magnet so that a flux density level sensed by the magnetic field-sensing device changes at a substantially linear rate.
    • 提供了一种用于感测物体位置的装置,其可以包括安装成围绕轴线旋转的磁体和以与磁体固定的关系和与磁体隔开的磁场感测装置,其中磁体被定形成在 磁体的外表面和磁场感测装置的表面,由此磁体的旋转导致距离以一定速率改变,使得由磁场感测装置感测的磁通密度分布以基本上线性的速率变化。 在一个方面,磁体被配置为具有大致椭圆形状,并且磁场感测装置是霍尔效应传感器。 传感器系统可以包括壳体,具有限定曲率半径的外表面的磁体和可旋转地与壳体连接的轴,其中磁体连接到轴,用于响应于物体的角位移而围绕轴旋转。 可以提供磁场感测装置,该磁场感测装置与壳体耦合并且与磁体间隔开以在其间限定气隙。 气隙可以以响应于磁体旋转的速率而变化,使得由磁场感测装置感测的磁通密度水平以基本上线性的速率变化。