Torque sensor shaft

Details Torque sensor shaft Torque sensor shaft

1991-01-14

1993-02-16

Woodiel, Donald O.

Measuring and testing

Dynamometers

Responsive to torque

G01L 310

Patent

active

051860597

ABSTRACT:
A torque sensor shaft for a non-contacting torque sensor including magnetically anisotropic portions formed on the surface of the shaft. Absolute value of angle of inclination of the anisotropic directions of the magnetically anisotropic portions is set lower than 40 degree so as to permit reduction of stress components in the anisotropic directions from their level in the case where the absolute value of the angle is 45 degree. By such angle setting it is possible to prevent possible decrease in sensor sensitivity and, in addition, to obtain good improvement in the point of magnetic saturation due to torque applied, thereby to obtain an improved dynamic range.

REFERENCES:
patent: 4760745 (1988-08-01), Garshelis
patent: 4933580 (1990-06-01), Ishino et al.

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