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    • 4. 发明授权
    • Sensing device for detecting the rotational speed of a rotating element
mounted on a non-rotating element by means of a bearing
    • 用于通过轴承检测安装在非旋转元件上的旋转元件的转速的感测装置
    • US5293124A
    • 1994-03-08
    • US814625
    • 1991-12-30
    • Claude CaillautChristophe HoudayerPascal LhoteChristian Rigaux
    • Claude CaillautChristophe HoudayerPascal LhoteChristian Rigaux
    • G01P3/487F16C19/18F16C33/78F16C41/00G01P3/44G01P3/48G01B7/14G01P3/54
    • F16C41/007F16C19/184F16C33/78G01P3/443F16C2326/02
    • Device for sensing the rotational speed of a rotating element (4) mounted by means of a roller bearing on a non-rotating element (3), comprising a multipolar ring (17) which is integral with the rotating element, a sensor (19) which is made integral with the non-rotating element, and a magnetic flux concentrating means arranged in the immediate vicinity of the multipolar ring and cooperating with the sensor in order to concentrate and channel the magnetic flux emitted by the multipolar ring. The flux concentrating means is of annular shape and comprises at least a first end shield (24) having a radial part of which one circular edge is provided on its circumference with a sealing lip (25) intended for coming into contact directly or indirectly with the rotating element (4), and a second end shield (26) provided with radial teeth (27) spaced regularly along a circular path. The multipolar ring is axially magnetised and arranged in the axial space included between the radial part of the first end shield on the one hand and the radial teeth of the second end shield on the other hand, so that the radial teeth are all situated axially opposite the magnetic poles of the same polarity of the multipolar ring.
    • 用于感测通过滚动轴承安装在非旋转元件(3)上的旋转元件(4)的旋转速度的装置,包括与旋转元件成一体的多极环(17),传感器(19) 其与非旋转元件成一体;以及磁通集中装置,其布置在紧邻多极环并且与传感器配合以便集中和通过由多极环发射的磁通量。 通量集中装置是环形形状,并且包括至少一个第一端部屏蔽件(24),其具有径向部分,其一个圆形边缘在其圆周上设置有密封唇缘(25),用于直接或间接地与 旋转元件(4)和设置有沿圆形路径规则地间隔开的径向齿(27)的第二端盖(26)。 多极环被轴向磁化并且布置在另一方面包括在第一端盖的径向部分和第二端盖的径向齿之间的轴向空间中,使得径向齿全部位于轴向相对 多极环极性相同的磁极。
    • 8. 发明授权
    • Rolling-contact bearing equipped with a built-in device for detecting
the speed of rotation
    • 滚动接触轴承配有内置装置,用于检测旋转速度
    • US5624192A
    • 1997-04-29
    • US642863
    • 1996-05-06
    • Christian RigauxClaude CaillaultChristophe Houdayer
    • Christian RigauxClaude CaillaultChristophe Houdayer
    • F16C19/52F16C33/60F16C41/00G01P3/44F16C19/08
    • F16C33/60F16C19/185F16C33/768F16C41/007G01P3/446F16C2326/02
    • The rolling-contact bearing comprises one outer race 11, two inner races 12,13, two rows of rolling bodies 14 held in cages 15 and a built-in device for detecting the speed of rotation, of the type comprising a sensor means 17 and an encoder means 19 which are located in the annular chamber defined between the inner races 12, 13 and outer race 11 and the rolling bodies 14. The encoder means 19 comprises an active part 20 capable of creating in the sensor means 17 a periodic signal of frequency proportional to the rotational speed of the bearing 1. The encoder means 19 comprises a support part 21 secured to the inner races 12,13 and made of a nonmagnetic material, so that the said support part 21 axially holds the inner races 12,13 against each other before the bearing 1 is mounted in the mechanical assembly for which it is intended.According to the invention, the encoder axially secures the inner races after the bearing has been assembled and cannot come into contact with the rolling bodies.
    • 滚动接触轴承包括一个外圈11,两个内圈12,13,保持在保持架15中的两排滚动体14和用于检测旋转速度的内置装置,其包括传感器装置17和 编码器装置19,其位于限定在内圈12,13和外圈11和滚动体14之间的环形室中。编码器装置19包括有源部分20,其能够在传感器装置17中产生周期信号 频率与轴承1的旋转速度成比例。编码器装置19包括固定到内圈12,13并由非磁性材料制成的支撑部21,使得所述支撑部21轴向地保持内圈12,13 在将轴承1安装在其所期望的机械组件之前彼此相对。 根据本发明,编码器在组装轴承之后轴向固定内圈,并且不能与滚动体接触。
    • 10. 发明授权
    • Composite annular encoder for a bearing, and bearing with information
sensor and possessing such an encoder
    • 用于轴承的复合环形编码器,带有信息传感器并具有这种编码器的轴承
    • US5421654A
    • 1995-06-06
    • US84074
    • 1993-06-30
    • Christian RigauxChristophe HoudayerClaude Caillault
    • Christian RigauxChristophe HoudayerClaude Caillault
    • F16C19/52G01P3/44F16C19/08
    • F16C41/007G01P3/443F16C2326/02
    • A composite annular encoder (15) for a bearing with information sensor (16), comprises an annular metal support (21) of L-shaped cross section with a plane radial part (21a) and an axial part (21b), and a annular element (22) produced as a single piece made from thermoplastic material, which annular element is constituted by a radial part (22a) which includes the multipole ring (22b) and is overmolded onto the plane radial part (21a) of the metal support, and by an axial retaining part (22c) overmolded onto the outer surface of the axial part (21b) of the metal support. The metal support has, on its axial part, anchoring points (21c, 21d) for the overmolding of the axial retaining part (22c) of the annular element made from thermoplastic material, enabling the thermoplastic annular element and the metal support to be rendered axially and circumferentially integral.
    • 一种用于具有信息传感器(16)的轴承的复合环形编码器(15),包括具有平面径向部分(21a)和轴向部分(21b)的L形横截面的环形金属支撑件(21)和环形 元件(22)由热塑性材料制成的单件制成,该环形元件由包括多极环(22b)的径向部分(22a)构成,并且包覆模制在金属支撑体的平面径向部分(21a)上, 并且通过包覆模制在金属支撑件的轴向部分(21b)的外表面上的轴向保持部分(22c)。 金属支撑件在其轴向部分上具有用于包覆模制由热塑性材料制成的环形元件的轴向保持部分(22c)的锚固点(21c,21d),使得热塑性环形元件和金属支撑件能够轴向地 并且周向整体。