Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1986-02-07
1987-12-15
Woodiel, Donald O.
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
177132, G01G 1952
Patent
active
047124237
ABSTRACT:
This invention relates to a process for measuring the dynamic load exerted on a highway by the axles of the vehicles circulating thereon. Two piezo-electric cables sensitive to the pressure of the axles, furnish, upon passage thereof, a weight information pulse and a speed information pulse, respectively. Signals representing respectively the area of the pulse and the duration of the time gap separating the pulses, are applied to a divider which effects the quotient thereof and furnishes a signal representing the dynamic load.
REFERENCES:
patent: 4560016 (1985-12-01), Ibanez et al.
Electronique Industrielle No. 30, Mar. 15, 1982, pp. 73-75, Paris.
Briant Gervais
Feunten Pierre
Goacolou Honore
Petitgrand Jean-Claude
Peyret Francois
Laboratoire Central des Ponts et Chaussees
Woodiel Donald O.
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