| 摘要 |
A wheel velocity sensor of the type having a toothed rotor and a stator with a detecting head mounted adjacent the rotor in proximity with the rotor teeth. The rotor is assembled with the bearing seal in the wheel hub as an integrated unit, being encased within a cavity formed in the seal to receive the rotor. The detecting head of the stator contacts the face of the seal, which is coated with a low friction material, so that a constant gap is maintained between the detecting head and rotor during rotation of the wheel to obtain more accurate wheel velocity signals.
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