Patent application number | Description | Published |
20090010582 | Sensor-Incorporated Wheel Support Bearing Assembly - A sensor-incorporated wheel support bearing assembly ( | 01-08-2009 |
20090038414 | Sensor-Equipped Bearing for Wheel - The wheel support bearing assembly is for rotatably supporting a vehicle wheel relative to an automotive vehicle body, which includes an outer member having an inner periphery formed with a plurality of rows of raceway surfaces, an inner member having raceway surfaces formed therein in face-to-face relation with the raceway surfaces in the outer member, and a plurality of rows of rolling elements interposed between those raceway surfaces, respectively; a sensor unit including a sensor mounting member and a strain sensor fitted to the sensor mounting member, the sensor unit being fitted to a stationary member, which is one of the outer member and the inner member; and wherein the sensor mounting member includes at least two contact fixing portion relative to the stationary member and the strain sensor is arranged at at least one location between the contact fixing portions. | 02-12-2009 |
20090080822 | Sensor-Equipped Bearing for Wheel - In a wheel support bearing assembly having rows of rolling elements ( | 03-26-2009 |
20090097791 | Sensor-Equipped Bearing for Wheel - To provide a sensor equipped wheel support bearing assembly, in which the sensor for detecting the load can be snugly and neatly installed in an automotive vehicle, the load acting on the vehicle wheel can be detected with high sensitivity and the cost of manufacture can be reduced during a mass production. The sensor unit | 04-16-2009 |
20090114004 | Wheel Support Bearing Assembly Equiped with Sensor - In a wheel support bearing assembly including a plurality of rolling elements ( | 05-07-2009 |
20090120184 | Sensor-Equipped Wheel Support Bearing Assembly - A sensor-equipped wheel support bearing assembly, enabling the cost during the mass production to be reduced, includes an outer member ( | 05-14-2009 |
20090129712 | Sensor-equipped bearing for wheel - A sensor-incorporated wheel support bearing assembly, enabling a load sensor to be compactly installed on the vehicle and capable of detecting a load on a wheel with good sensitivity includes a ring member, affixed to a stationary member, which has at an intermediate portion thereof a first non-contact ring portion not in contact with the stationary member, at one end a first contact ring portion in contact with the stationary member, and at the other end the following (A) or (B): (A) a second non-contact ring portion having a wall thickness greater than that of the first non-contact ring portion; (B) a second contact ring portion in contact with the stationary member. A strain sensor is fitted to; in (A), the first non-contact ring portion, and in (B), the first non-contact ring portion or first contact ring portion, which has smaller wall thickness. | 05-21-2009 |
20090175568 | Sensor-Equipped Bearing for Wheel - To provide a sensor equipped wheel support bearing assembly, in which a load sensor can be snugly and neatly installed in automotive vehicle and which detects the load or the like acting on a vehicle wheel and requires an inexpensive cost in mass production. A sensor unit is fitted to an outer member as a stationary member of the bearing assembly. The sensor unit includes a sensor mounting member having bolt insertion holes alignable with vehicle body fitting holes of the outer member, and a strain sensor fitted to the sensor mounting member. This sensor unit is sandwiched between the outer member and a knuckle and is fitted by means of bolts inserted through the vehicle body fitting holes and the bolt insertion holes. The sensor unit has a portion that is greater in a radial direction than a flange of the outer member. | 07-09-2009 |
20090199660 | Bearing for Wheel with Sensor - To provide a sensor incorporated wheel support bearing assembly, in which a load sensor can be compactly installed in an automotive vehicle, the load acting on the vehicle wheel can be detected with high sensitivity and the manufacturing cost can be reduced, the bearing assembly having a plurality of rows of rolling elements interposed between an outer member and an inner member includes a sensor unit fitted to one of the outer member and the inner member, which serves as a stationary member. The sensor unit includes a sensor mounting member and a strain sensor fitted thereto. The sensor mounting member has two contact fixing portions fixed to the outer member and a first contact fixing portion is fixed to a flange surface of the outer member and a second contact fixing portion is fixed to a peripheral surface of the outer member. | 08-13-2009 |
20090301222 | SENSOR-EQUIPPED BEARING FOR WHEEL - There is provided a sensor equipped wheel support bearing assembly with rolling elements interposed between outer and inner members and with a strain sensor fixed to a stationary member served by one of the outer and inner members. The strain sensor includes a strain generating member and a sensor element secured thereto. The strain generating member has first and second contact fixing segments respectively associated with a flanged face provided in the outer member and a peripheral surface of the stationary member. These contact fixing segments have a joint region therebetween having a bent portion convexed toward the outer member. A location in the strain generating member where the sensor element is secured is on the first contact fixing segment side of the bent portion and yet in the vicinity of the bent portion. | 12-10-2009 |
20100046871 | SENSOR-EQUIPPED BEARING FOR WHEEL - To provide a sensor equipped wheel support bearing assembly, in which a load sensor can be installed compactly in an automotive vehicle, maintaining a high sensitivity while damage and/or malfunction caused by the external environments and/or the electromagnetic noises are avoided, with low manufacturing cost. This bearing assembly includes outer and inner members having respective rolling surfaces and a plurality of rows of rolling elements interposed between those rolling surfaces. A strain sensor unit including a sensor element is fitted to one of the outer and inner members, which is a stationary member, for example, the outer member. A sensor mounting surface of the strain sensor unit fitted with the sensor element has a covering member made of a resin, which is over-molded, or an elastomer bonded by vulcanization, so as to cover the sensor element sealingly. | 02-25-2010 |
20100102801 | ROTATION SENSOR - A rotation detecting sensor, having excellent sealing capability to prevent water ingress from outside, being so robust that no damage occur in sensor component parts and circuits due to external force and/or thermal strains resulting from self-heating or change in ambient temperature, and inexpensive to manufacture, is provided. The rotation detecting sensor is fixed to a sensor fixing member to be fitted to a wheel support bearing assembly. A sensor unit, including a magnetic sensor element, a cable and a substrate, is fixed to the sensor fixing member through the substrate. A molding segment molded of a molding material bonded with the substrate is provided around the sensor unit. The substrate has a metallic pattern portion formed as a metallic coating on a substrate surface in the vicinity of an electroconductive pattern portion and the molding material is bonded to the metallic pattern portion. | 04-29-2010 |
20100135604 | Sensor-Equipped Bearing for Wheel - A sensor-equipped bearing for a wheel rotatably supporting the wheel relative to a vehicle body includes an outer member ( | 06-03-2010 |
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 |
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 |
20110127995 | ROTATION SENSOR - A rotation sensor fixed to a sensor fixing member with simplified fixing system and excellent in water proofing property and vibration proofing property is provided. The rotation sensor includes a sensor unit having a magnetic sensor element for detecting rotation of a to-be-detected element provided in a rotating ring, a cable for drawing an output signal of the sensor element to the outside, and a substrate with an electroconductive region for electrically connecting the sensor element and a core line of the cable while the sensor element and the cable are fitted to the substrate. The substrate has at least one recess portion or projection portion engageable with a projection portion or recess portion in the sensor fixing member to fix the sensor unit to the sensor fixing member. A molding segment formed by molding is provided for covering the sensor unit. | 06-02-2011 |
20120014632 | SENSOR-EQUIPPED BEARING FOR WHEEL - A sensor-equipped wheel support bearing assembly capable of accurately estimating a load acting on a wheel, without the detecting accuracy deteriorated as a result of a long term use and/or a change in environment, is provided. The assembly includes a sensor unit provided in an outer member, which serves as a stationary member. The sensor unit has a strain generator and a sensor for detecting a strain occurring in the generator. A principal load estimator estimates the load acting on the wheel, with the use of an average value of a signal from the sensor, and an amplitude processed load estimator estimates the load, using amplitude of a signal wave outputted from the sensor, resulting from passage of rolling elements. A drift amount estimator estimates a drift amount of an estimated load output utilizing the average value and the amplitude, which is used to correct the estimated load. | 01-19-2012 |