Torque measurement method and apparatus

Details Torque measurement method and apparatus Torque measurement method and apparatus

1982-09-17

1985-06-25

McGraw, Vincent P.

Optics: measuring and testing

Material strain analysis

By light interference detector

356 285, 356349, 7386234, G01P 336, G01L 312

Patent

active

045250685

ABSTRACT:
When a torque is transmitted through a body, the body tends to twist in proportion to the torque and to the characteristics of the material. Doppler measurements made at points separated from each other on a body differ slightly due to the applied torque by the reduced motion of the body at points closer to the load. The Doppler from the two points is accumulated to thereby maintain a record of the twist and thereby the torque in the body.

REFERENCES:
patent: 2586540 (1952-02-01), Holden
patent: 3419330 (1968-12-01), Schneider
patent: 3604804 (1971-09-01), Penney
patent: 4347748 (1982-09-01), Pierson

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