Torque sensor

Details Torque sensor Torque sensor

2006-03-21

2006-03-21

Noori, Max (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

Reexamination Certificate

active

07013741

ABSTRACT:
A magnetostriction-type torque sensor20includes a shaft12bformed of a magnetic material and provided with at least magnetostrictive films20band20c;exciting coils20d′ and20e′ for exciting the magnetostrictive films20band20cprovided on the shaft12b;detection coils20dand20efor detecting a change in a magnetic field; and yoke portions20frespectively provided around outer peripheries of the exciting coils20d′ and20e′ and the detection coils20dand20e,wherein a magnetic shield section20aformed of a magnetic material is provided around the outer peripheries of the yoke portions20f.

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