Damped high speed tire testing machine

Details Damped high speed tire testing machine Damped high speed tire testing machine

1989-09-22

1991-05-14

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

050145517

ABSTRACT:
A machine for measuring force variation or imbalance of tires particularly at high speeds. A rotating roadwheel is engaged by a tire mounted on a spindle. Force sensing means, such as load cells, are operably interposed between the tire spindle and a force sensor mount. To minimize the adverse effects of mechanical resonance of the machine on force measurement accuracy, the roadwheel and/or the force sensor mount are connected to ground through dampers which provide a damping ratio of at least about five percent and preferably higher. Where the force sensor mount is to be supported by such damping means, the invention further contemplates interposing a large mass between that damping means and the force sensor mount.

REFERENCES:
patent: 3948095 (1976-04-01), Burgett et al.
patent: 4422336 (1983-12-01), Beebe
patent: 4619142 (1986-10-01), Gisler

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