Method and device for measuring the torque transmitted by a shaf

Details Method and device for measuring the torque transmitted by a shaf Method and device for measuring the torque transmitted by a shaf

1986-08-26

1988-10-04

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 310

Patent

active

047748451

ABSTRACT:
According to this method the linear expansion (.DELTA.L) of a reference shaft is measured with reference to that of the power shaft. The linear expansion of the reference shaft (R.sub.3) is converted into a movement of rotation of an annular phonic wheel (B.sub.3) by means of the free end (J) of this shaft engaged in a helical groove in the inner surface of the annular wheel (B.sub.3).

REFERENCES:
patent: 3258961 (1966-07-01), Van Manen
patent: 4444063 (1984-04-01), Snowden et al.
patent: 4602515 (1986-07-01), Eichenlaub

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