PROBLEM TO BE SOLVED: To provide a bearing device with a rotation sensor, capable of improving degree of freedom of a mounting position of a magnetic sensor.SOLUTION: A bearing device 10 with a rotation sensor includes: a deep groove ball bearing 20 in which balls 23 as plural rolling bodies are rollably interposed between an inner ring 21 as a rotation ring and an outer ring 22 as a stationary ring; a magnetic encoder 40 integrally rotating with the inner ring 21; and a magnetic sensor 80 arranged on the outer ring 22, and configured to detect magnetic fields in two directions orthogonal to the magnetic encoder 40 simultaneously and output two-phase pulse according to the magnetic fields in the two directions or output one-phase pulse and a rotational direction signal.SELECTED DRAWING: Figure 1
【課題】磁気センサの実装位置の自由度を向上させ得る回転センサ付軸受装置を提供する。【解決手段】この回転センサ付軸受装置10は、回転輪となる内輪21と固定輪となる外輪22との間に複数の転動体であるボール23が転動自在に介装された深溝玉軸受20と、内輪21と一体で回転する磁気エンコーダ40と、外輪22に配置されて磁気エンコーダ40の直交する2方向の磁場を同時に検出するとともに、2方向の磁場に応じた2相パルスを出力、または、1相パルスと回転方向信号とを出力する1つの磁気センサ80とを備える。【選択図】図1
BEARING DEVICE WITH ROTATION SENSOR, ELECTRIC MOTOR INCLUDING BEARING DEVICE WITH ROTATION SENSOR, TORQUE SENSOR, ELECTRIC POWER STEERING DEVICE, AND VEHICLE
回転センサ付軸受装置、この回転センサ付軸受装置を備える電動モータ、トルクセンサ、電動パワーステアリング装置及び車両
2017-02-23
Patent
Electronic Resource
Japanese
IPC: | G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B62D MOTOR VEHICLES , Motorfahrzeuge / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE |
European Patent Office | 2016
|European Patent Office | 2016
|ANGLE SENSOR, TORQUE SENSOR, ELECTRIC POWER STEERING DEVICE, TRANSMISSION, AND VEHICLE
European Patent Office | 2016
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