Apparatus for measuring the rolling resistance of tires

Details Apparatus for measuring the rolling resistance of tires Apparatus for measuring the rolling resistance of tires

1981-11-27

1984-07-10

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73 9, G01M 1702

Patent

active

044585276

ABSTRACT:
Apparatus for measuring the rolling resistance of tires. An endless belt is supported on rotating drums. The upper run of the belt passes over a hydrostatic bearing which supports the belt against the force of the tire pressing against it. The hydrostatic bearing is formed by a plurality of nozzles directing water at high pressure against the underside of the belt. A pressure differential is created between the upper and lower surfaces of the belt to press the belt closely adjacent the nozzles so that when a tire is pressed against the belt, it does not create a depression in the belt.

REFERENCES:
patent: 3763699 (1973-10-01), Sangster
patent: 4324128 (1982-04-01), Langer

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