Magnetic ring mounting fixture

Details Magnetic ring mounting fixture Magnetic ring mounting fixture

1989-08-16

1990-06-12

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

324173, G01P 348

Patent

active

049322451

ABSTRACT:
A vehicle wheel speed sensing system comprises a magnetic ring mounted on the wheel hub and a sensor mounted on the spindle. The magnetic ring is polarized at regular circumferential intervals so that as the hub rotates on the spindle, magnetic impulses are detected by the sensor which generates an electrical signal corresponding to the rotational speed of the hub. The radially inner surface of the magnetic ring is non-circular and fits onto a correspondingly non-circular radially outwardly facing surface of a groove in the hub. The groove also comprises an axially inwardly facing shoulder against which the magnetic ring is disposed. A sealing ring that seals the axially inner end of the hub to the spindle also has a portion that radially overlaps the magnetic ring for cooperating with the groove shoulder to axially capture the magnetic ring on the hub. In this way no separate attaching parts are required for mounting the magnetic ring on the hub.

REFERENCES:
patent: 4161120 (1979-07-01), Cloarec
patent: 4667156 (1987-05-01), Machino et al.

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