Load control for tire test machine

Details Load control for tire test machine Load control for tire test machine

1979-05-22

1980-11-18

Myracle, Jerry W.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

042338387

ABSTRACT:
A control for controlling load on a tire undergoing testing while rotating in a loaded condition against a test road wheel. As the tire temperature increases during the warm up period of the tire and inflation pressure and load consequently also increase, the control will automatically decrease the load applied to the tire to maintain a preset load on the tire. During equilibrium temperature and pressure conditions of the tire, the control will effectuate decreases in load only and will not permit the tire load applicator to oscillate the load about the reset load point. The load applicator is maintained in an inactive condition by the control means except when a load decrease is necessary. During equilibrium temperature and load conditions on the tire, a relatively fast increase in temperature and a correspondingly fast load increase indicating incipient failure of the tire can be detected by the control.

REFERENCES:
patent: 3948095 (1976-04-01), Burgett et al.
patent: 4134292 (1979-01-01), Honlinger et al.

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