Vibration type force detector

Details Vibration type force detector Vibration type force detector

1984-11-21

1986-05-13

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

177210FP, G01L 110

Patent

active

045878536

ABSTRACT:
A vibration type force detector in which the vibration string is made of a platinum-based nickel-containing alloy. The magnitude of a force to be detected is obtained through the measurement of a natural vibration frequency of a string vibrating with the force loaded thereto. However, the force detector using a Pt-Ni alloy vibration string based on the invention makes it possible, for the first time, to apply a vibrational type force detector to a precision measurement of force or weight. Measurement with an accuracy of 10.sup.-5 is made possible by the present invention.

REFERENCES:
patent: 2968943 (1961-01-01), Statham
patent: 3470400 (1969-09-01), Weisbord
patent: 3529470 (1970-09-01), Agar
patent: 4299122 (1981-11-01), Ueda et al.
Bouts et al., Technisches Messen atm, H4 (Apr. 1977), vol. 44, pp. 125-130.

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