| 摘要 |
A hub unit with a sensor comprises a hub unit 1 including a body-side raceway member 3 , a wheel-side raceway member 4 and two rows of rolling elements 5 , and a sensor device 2 . The sensor device 2 includes a magnetostrictive sensor 8 for detecting the inverse magnetostrictive effect, and the magnetostrictive sensor 8 is mounted to the body-side raceway member 3 so as to be capable of measuring the tensile strain in the uppermost part of an inner wheel 17 of the wheel-side raceway member 4 . From the output of the magnetostrictive sensor 8 , the tire grounding load and the rotational velocity are detected.
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