Shaft having a magnetostrictive torque sensor and a method for m

Details Shaft having a magnetostrictive torque sensor and a method for m Shaft having a magnetostrictive torque sensor and a method for m

1994-02-14

1996-12-17

Chilcot, Richard

Measuring and testing

Dynamometers

Responsive to torque

73862333, G01L 500

Patent

active

055855741

ABSTRACT:
A shaft having a magnetostrictive sensor measures torque applied to a shaft, as a shaft, without contact and utilizing reverse-magnetostrictive properties of magnetic alloys. The shaft includes a plurality of magnetic alloy layers, and the magnetosensitive torque detector is variously formed by diffusion bonding a magnetostrictive layer with a high magnetostrictive constant onto the shaft surface, by heat treating, adhesive fixation or the like bonding means. Methods for making the shaft are disclosed.

REFERENCES:
patent: 4760745 (1988-08-01), Garshelis
patent: 4991447 (1991-02-01), Yahagi et al.
patent: 5107711 (1992-04-01), Aoki et al.
patent: 5280729 (1994-01-01), Aoki et al.

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