Torque sensor

Details Torque sensor Torque sensor

1989-01-18

1990-03-13

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 310

Patent

active

049074628

ABSTRACT:
In a torque sensor of a noncontact type, a pair of amorphous magnetic ribbons are bonded to a shaft to which a rotary torque is applied. A pair of coils are wound around the shaft and an alternating magnetic field is applied from the coils to the magnetic ribbons along the axis of the shaft. A permanent magnet and yokes are located around the shaft and a bias magnetic field is also applied from the magnetic to the magnetic ribbons through the yokes.

REFERENCES:
patent: 1586877 (1926-06-01), Buckley
patent: 4627298 (1986-12-01), Sahashi et al.
patent: 4760745 (1988-08-01), Garshelis

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