Angular velocity sensor and roller bearing equipped with such a sensor

Angular velocity sensor device for a rotating member mounted using a roller bearing on a non-rotating member, the said device comprising a coder element (11) integral with the rotating ring (6) of the bearing and producing an alternating magnetic field, a sensor element (12) integral with the non-ro...

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Bibliographische Detailangaben
Hauptverfasser:	LHOTE, PASCAL, RIGAUX, CHRISTIAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIGHTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Angular velocity sensor device for a rotating member mounted using a roller bearing on a non-rotating member, the said device comprising a coder element (11) integral with the rotating ring (6) of the bearing and producing an alternating magnetic field, a sensor element (12) integral with the non-rotating ring (7) of the bearing and disposed opposite the coder element with an air gap, the coder element (11) comprising two concentric multiple-pole rings (14, 15) with axial magnetisation, and the sensor element (12) comprising an induction coil (17) coaxial with the multiple-pole rings and interacting with a magnetic flux concentrator (18) whose collector branches (20, 21) are directed axially facing the multiple-pole rings (14, 15) of the coder element. Application to wheel hubs for motor vehicles fitted with an ABS system.