Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1978-08-03
1979-12-11
Woodiel, Donald O.
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
340 58, B60C 2304
Patent
active
041776712
ABSTRACT:
An apparatus for sensing air-pressure drop in an automobile tire which comprises an air chamber having an internal air pressure maintained substantially equal to that of a tire under normal conditions and a sensor displaceable in accordance with differences in pressure between the air chamber and the tire. The apparatus is mounted in the inner end of the air valve of the tire, and when the air pressure in the tire drops to a certain level below an initial air pressure setting, the sensor is displaced. Sensor displacement is detected and an appropriate signal is provided to the driver.
REFERENCES:
patent: 3982225 (1976-09-01), Schlanzky
Ichihara Isao
Oguni Yasuo
Shiratori Harunori
Toyota Jidosha Kogyo Kabushiki Kaisha
Woodiel Donald O.
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