Vehicle wheel speed sensor employing a locating plate

Details Vehicle wheel speed sensor employing a locating plate Vehicle wheel speed sensor employing a locating plate

1991-11-08

1994-01-25

Strecker, Gerard R.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

188181R, 310 68B, 310155, 3011081, G01P 3488, H02K 1100, B60B 2700

Patent

active

052819116

ABSTRACT:
A vehicle wheel speed sensor of the type using permanent magnets to generate a magnetic field having a magnetic path which is conducted through a plurality of teeth on a rotor into a plurality of teeth on a stator with relative motion therebetween where the frequency of the change in the magnetic reluctance varies at a frequency proportional to the wheel speed. The stator is mounted to the end of the axle spindle by way of a securing bolt so that the stator can be easily removed for service without disturbing the axle bearings. As a part of the stator assembly, a locating plate is provided which allows the operating gap between the rotor and the stator to be easily established upon assembly of the hub cap to the wheel hub by allowing the rotor to contact the locating plate when the hub cap securing bolts have been loosened and the axle is supported.

REFERENCES:
patent: 3473120 (1969-10-01), Ruof
patent: 4986605 (1991-01-01), Descombes
patent: 5111098 (1992-05-01), Peck et al.

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