Loadmeter employing birefringence to measure mechanical loads an

Details Loadmeter employing birefringence to measure mechanical loads an Loadmeter employing birefringence to measure mechanical loads an

1996-10-29

1997-12-16

Font, Frank G.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356345, 356365, 356 355, G01B 902

Patent

active

056991592

ABSTRACT:
This invention discloses a mechanical stress measurement system which utilizes a birefringent coating and spectral demodulation to determine the magnitude and angular orientation of the stresses in a mechanical element from which the loads acting on that mechanical element are calculated. The invention provides for the measurement of Torque, Axial and Bending loads in a shaft, whether they exist singularly or in combination, without the requirement for electrical, mechanical or physical contact with the shaft, and is able to determine the magnitude and sense of the torque and axial loads, and the magnitude and plane of the bending load.

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