Tire inflation monitoring system

Details Tire inflation monitoring system Tire inflation monitoring system

1976-10-06

1978-07-25

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

200 6125, B60C 2300

Patent

active

041032837

ABSTRACT:
A monitoring system for motor vehicles that produces a warning signal when the pressure within a tire changes to an unacceptable pressure. The system includes a sensor unit attached on the wheel on which the tire to be monitored is mounted and a second component secured to the vehicle body. The unit mounted to the vehicle body contains a coil wound on a core that is positioned at a location so that as the wheel of the vehicle revolves a second coil wound on a core that forms a part of the sensor unit comes into close proximity to the coil secured to the vehicle body during each rotation of the wheel. When the pressure in the tire changes from a "normal" pressure, a harmonious balance between the two components of the system is disturbed resulting in the triggering of a warning mechanism that alerts the operator of the vehicle that the air pressure in the tire has reached an unacceptable level.

REFERENCES:
patent: 2894246 (1959-07-01), Graffenried
patent: 3602884 (1971-08-01), Brumbelow

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