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US 4,732,494 AGranted
Bearing or roller bearing with data sensor
AssigneeS. N. R. Roulements
InventorsRoger Guers, Georges Godard
Life of this patent
Estimating the term…
Abstract
Bearing or roller bearing with data sensor of the type having a stationary element carrying a magnetic field sensor device and a rotating element carrying at least one multipole magnetized ring placed coaxially with the rotating element and separated from the sensor device by a gap.
Claims15
A bearing having a sensor, comprising:
- a first annular bearing element;
- a second annular bearing element which is rotatable relative to said first bearing element;
- a continuous magnetic wire ring rotatable coaxially with said second bearing element, a circumference of said ring defining multiple magnetized portions with circumferentially alternating north and south poles;
- and
- a magnetic sensor fixed to said first bearing element and spaced from said ring by a predetermined gap.
2 more elements
Dependencies are inferred from the claim text.