High-accuracy optical torquemeter

Details High-accuracy optical torquemeter High-accuracy optical torquemeter

1973-10-11

1976-03-02

Gill, James J.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

G01L 306

Patent

active

039409791

ABSTRACT:
An optical torquemeter adapted to provide torque readings as accurate as 1-to-2 foot pounds over a torque range of the order of 1 to 2 thousand foot pounds. It converts a binary-type optical message to an electric signal in the form of variable-width pulses. The width of the electric pulses indicates both the magnitude and the direction of torque and the pulses are processed to provide an output representing torque.

REFERENCES:
patent: 2402719 (1946-06-01), Allison
patent: 2938378 (1960-05-01), Canada et al.
patent: 3625055 (1971-12-01), Lafourcade
patent: 3762217 (1973-10-01), Hagen
patent: 3824848 (1974-07-01), Parkinson
Metron Torquemeter - Metron Instrument Co. Bulletin, Dated 7-1-59.
Torque Transducers from "Instrument & Control Systems", Vol. 41, p. 64, Sept. 1968.

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