Variable permeability steering torque sensor

Details Variable permeability steering torque sensor Variable permeability steering torque sensor

1987-04-06

1989-01-10

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 310

Patent

active

047964634

ABSTRACT:
An electromagnetic torque sensor arrangement comprising a pair of magnetic circuits differentially responsive to the twist of a rotary shaft under load. Each magnetic circuit comprises a stator assembly, and at least one deflectable element disposed therein on a pair of pins which experience relative rotation in relation to the twist of the shaft. The relative rotation causes deflection of the deflectable elements in relation to the twist, and the resulting variation in the permeability of the magnetic circuits is detected as a measure of the applied torque.

REFERENCES:
patent: 2826064 (1958-03-01), Hastings
patent: 4616512 (1986-10-01), Himmelstein et al.

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