Apparatus for monitoring and controlling the tire inflation pres

Details Apparatus for monitoring and controlling the tire inflation pres Apparatus for monitoring and controlling the tire inflation pres

1989-07-13

1990-04-17

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

141 4, G01M 1702

Patent

active

049169432

ABSTRACT:
An apparatus for monitoring and controlling the tire inflation pressure in a tire testing machine comprises first and second measuring rim portions for mounting a tire therebetween, and a pressure sensor operable to detect the inflation pressure of the tire. The pressure sensor has a pressure-receiving surface which is arranged to directly detect the pressure in the interior of the tire. The pressure sensor rotates with the tire in a tire testing run. A spindle connected to the measuring rim portions and rotatable therewith has conduit means for supplying compressed air to inflate the tire. A control means is operable to close off the conduit means, thereby constituting a closed volume of air defined by the space within the tire, the space between the measuring rim portions holding the tire, and the conduit means in the spindle, that volume of air rotating as a unit with the components defining same, during a tire testing operation.

REFERENCES:
patent: 2695520 (1954-11-01), Karsai
patent: 4702287 (1987-10-01), Higbie

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