| Patent application number | Description | Published |
|---|
| 20090058400 | Device for Detecting Absolute Angel of Multiple Rotation and Angle Detection Method - A multiple rotation absolute angle detecting device includes a reduction gear mechanism having an eccentric ring fitted to a rotatable member, an internally threaded member in a stationary member, an externally threaded member engageable with the internally threaded member, and a speed reducing member to which rotation is transmitted from the externally threaded member. The externally threaded member undergoes a speed-reduced rotation at a reduction gear ratio of 1/L (L represents an arbitrarily value exceeding 1) about an axis O′ of rotation of the eccentric ring and the speed reducing member rotates around the rotatable member at a speed equal to that of the externally threaded member. A multiple rotation detecting unit for outputting a sinusoidal or sawtooth wave having one period per rotation includes a to-be-detected member in the speed reducing member and a detecting member in the stationary member that confronts the to-be-detected member. | 03-05-2009 |
| 20100129016 | SENSOR EQUIPPED WHEEL SUPPORT BEARING ASSEMBLY - This wheel support bearing assembly includes an outer member ( | 05-27-2010 |
| 20100129017 | SENSOR-EQUIPPED BEARING FOR WHEEL - A sensor-equipped wheel support bearing assembly, in which a load imposed on the wheel can be accurately detected without influences from hysteresis is provided. This wheel support bearing assembly includes an outer member having a plurality of rolling surfaces, an inner member having rolling surfaces opposed respectively to the rolling surfaces of the outer member, and rolling elements between the rolling surfaces. A sensor unit is provided in a stationary member of one of the outer and inner members, which unit includes a strain generating member having two contact fixing segments to be fixed to the stationary member and a sensor fitted to the strain generating member for detecting a strain induced in this strain generating member. The two contact fixing segments are arranged at respective positions held at the same phase in a direction circumferentially of the stationary member. | 05-27-2010 |
| 20100202718 | WHEEL BEARING WITH SENSOR - A sensor-equipped wheel support bearing assembly capable of accurately detecting load without affected by hysteresis is provided. The assembly includes a vehicle body fitting flange having bolt holes at respective circumferential portions in the form of projecting pieces. A sensor unit including a strain generating member having contact fixing segments to be fixed to the stationary member and a cutout portion, and a sensor element for detecting strain in a periphery of the cutout portion is provided with the contact fixing segments at positions of the same size in an axial direction relative to the outer diametric surface of the stationary member. The contact fixing segments are spaced each other an angle about an axis of the stationary member, and the angle between the contact fixing segments at respective end portions of the sensor unit is smaller than half the angle between the projecting pieces. | 08-12-2010 |
| 20100262383 | SENSOR-EQUIPPED BEARING FOR WHEEL - There is provided a sensor equipped wheel support bearing assembly including an outer member having an inner periphery formed with a plurality of rolling surfaces defined therein, an inner member having an outer periphery formed with rolling surfaces opposed to those rolling surfaces and a plurality of rows of rolling elements interposed between those rolling surfaces. One of the outer and inner members serving as a stationary member is provided with a strain amplifying mechanism for amplifying a strain in the stationary member, which occurs when the rolling elements pass by. A strain sensor element is provided for detecting the strain amplified by the strain amplifying mechanism. A calculator is provided for calculating from an output of the strain sensor element, the load acting on the bearing assembly or the load acting between the vehicle wheel and the road surface. | 10-14-2010 |
| 20100303394 | SENSOR-EQUIPPED BEARING FOR WHEEL - A sensor-equipped wheel support bearing assembly capable of accurately detecting load acting on the vehicle wheel by reducing concentration of strain on a cutout portion corner area of a strain generating member in a sensor unit is provided. The wheel support bearing assembly having rolling elements interposed between rolling surfaces in outer and inner members, includes at least one sensor unit provided in a stationary member, which is one of the outer and inner members. The sensor unit includes a strain generating member, having two or more contact fixing segments secured to the stationary member in contact therewith, and a sensor fitted to the strain generating member for detecting a strain in the strain generating member. The strain generating member has a cutout portion between the contact fixing segments, and corner area of such cutout portion is of an arcuately sectioned shape. | 12-02-2010 |
| 20100310202 | SENSOR EQUIPPED WHEEL SUPPORT BEARING ASSEMBLY - A wheel support bearing assembly includes rolling elements ( | 12-09-2010 |
| 20100318304 | BEARING FOR WHEEL WITH SENSOR - A bearing assembly for a vehicle wheel with a sensor in which load acting on the bearing assembly and/or a tread surface is accurately detected is provided. The bearing assembly includes rolling elements between outer and inner members, a load detecting device in one of the outer and inner members provided as a stationary member, for detecting load acting on the bearing assembly, a rotation detecting device for detecting the rotation of the other member provided as a rotating member, an averaging circuit for calculating rotational speed of the rotating member from output of the rotation detecting device, determining from the calculated rotational speed a time period required for the rolling elements to revolve a pitch of arrangement thereof and calculating average value of output of the load detecting device during the period, and an estimating circuit for estimating the load from the average value. | 12-16-2010 |
| 20110125421 | WHEEL BEARING WITH SENSOR - A sensor-equipped wheel support bearing assembly capable of accurately detecting the load acting on the bearing assembly is provided. The sensor-equipped wheel support bearing assembly includes a sensor unit in an outer member that serves as a stationary member. The sensor unit includes a strain generating member, having two or more contact fixing segments to be fixed to the stationary member, and two or more sensors for detecting strain in the strain generating member. The contact fixing segments are spaced from each other in a direction circumferentially of the stationary member at the same axial positions. An estimating section is provided in the bearing assembly for estimating load thereon based on the difference between respective output signals from the sensors by calculating amplitudes of the output signals or values corresponding to such amplitudes from the difference between the respective output signals. | 05-26-2011 |
| 20110138962 | REMOTE-CONTROLLED ACTUATOR - A remote controlled actuator includes a spindle guide section ( | 06-16-2011 |
