Belt tension measuring apparatus

Details Belt tension measuring apparatus Belt tension measuring apparatus

1996-03-14

1997-12-16

Biegel, Ronald L.

Measuring and testing

Dynamometers

Responsive to force

73160, G01L 500

Patent

active

056987960

ABSTRACT:
Apparatus and method for measuring a tension of a belt in a state spanned between pulleys under tension. Vibration is applied to the belt with a frequency varying within a predetermined frequency range including a resonance vibration frequency of the belt. Amplitude of vibration of the belt is detected to thereby output a corresponding amplitude signal. Occurrence of resonance of the belt is determined on the basis of a steep change of the amplitude signal. The vibration frequency of the belt detected upon occurrence of the resonance is identified as a resonance vibration frequency of the belt. Tension of the belt is determined on the basis of the resonance vibration frequency.

REFERENCES:
patent: 3854329 (1974-12-01), Jones
patent: 4109520 (1978-08-01), Eriksson
patent: 4655093 (1987-04-01), Strom et al.
International Publication No. WO 87/05699, Sep. 24, 1987.

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