Device for monitoring the pressure of a measurement chamber char

Details Device for monitoring the pressure of a measurement chamber char Device for monitoring the pressure of a measurement chamber char

1991-02-19

1993-01-26

Wood, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

731464, 731465, 73744, 116 34R, B60C 2302, G01L 716

Patent

active

051814188

ABSTRACT:
The invention device monitors the pressure of a measurement chamber subjected to the pressure prevailing in a vehicle tire. A pressure-sensitive device scans the tire pressure with a pressure measurement member in a measurement chamber. In case of a tire-pressure drop, the tire pressure is used to actuate an auxiliary actuator (3, 24, 26). The auxiliary actuator genrates the regulating distance (s) dependent on a tire pressure drop below a pressure value required for an actuation of the actuator (13). The regulating distance (s) is recognizable by a sensor. The invention device is suitable for providing a permanent signal even in case of an absence of pressure in the measurement chamber (21).

REFERENCES:
patent: 3738308 (1973-06-01), Barabino
patent: 4103282 (1978-07-01), Cook
patent: 4363020 (1982-12-01), Venema
patent: 4384543 (1983-05-01), Wong

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