Torque detector and electric power steering system including the torque detector

A torque detector (30) includes a permanent magnet (41), a pair of magnetic yokes (60), and a magnetic sensor (31). The magnetic yokes (60) include a first magnetic yoke (60A) and a second magnetic yoke (60B). The first magnetic yoke (60A) has a first ring (61) and a plurality of first teeth (62) ex...

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Bibliographische Detailangaben
Hauptverfasser:	TOKUMOTO, YOSHITOMO, ISHIMOTO, YUTARO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MOTOR VEHICLES PERFORMING OPERATIONS PHYSICS TESTING TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	A torque detector (30) includes a permanent magnet (41), a pair of magnetic yokes (60), and a magnetic sensor (31). The magnetic yokes (60) include a first magnetic yoke (60A) and a second magnetic yoke (60B). The first magnetic yoke (60A) has a first ring (61) and a plurality of first teeth (62) extending from the first ring (61) in an axial direction (ZA). The second magnetic yoke (60B) has a second ring (63) and a plurality of second teeth (64) extending from the second ring (63) in the axial direction (ZA). The first teeth (62) extend in the axial direction (ZA) beyond the second ring (63) of the second magnetic yoke (60B). The second teeth (64) extend in the axial direction (ZA) beyond the first ring (61) of the first magnetic yoke (60A).