Rolling element bearing unit with sensor and hub unit with...

Details Rolling element bearing unit with sensor and hub unit with... Rolling element bearing unit with sensor and hub unit with...

2007-07-17

2007-07-17

Lefkowitz, Edward (Department: 2862)

Electricity: measuring and testing

Magnetic

Stress in material measurement

C324S166000, C073S862541, C384S448000

Reexamination Certificate

active

10514477

ABSTRACT:
A sensor-equipped hub unit comprises a hub unit1having a wheel-side raceway member4, a body-side raceway member5, and two rows of rolling bodies6, and a sensor device2provided on the hub unit1. The sensor device2has a magnetostrictive sensor31for detecting a reverse magnetostrictive effect of the raceway member4produced by a force exerted thereon by the rolling bodies6. The sensor device2detects rotation from the number of repetitions of a variation in strain and also detects the force acting on the wheel-side raceway member4from the amplitude of strain.

REFERENCES:
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