Tire-pressure monitoring device

Details Tire-pressure monitoring device Tire-pressure monitoring device

1979-03-02

1980-12-16

Myracle, Jerry W.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

340 58, B60C 2302

Patent

active

042389550

ABSTRACT:
Tire-pressure monitoring apparatus for use with either single or dual tires for signaling deterioration of tire pressure by connecting tire pressure, upon actuation of a valve device by such reduced pressure, to a cylinder device which, in turn, moves a pin member into a space between two adjacent teeth of a rotatable member affixed to the tire, rotatable therewith, and having a plurality of teeth peripherally arranged thereon and alternately interspersed with equal spaces, except one, therebetween. Under normal conditions, the rotating member generates a magnetic field in the proximity of a sensing device which cooperates with the magnetic field for transmitting a series of signals of equal magnitude. If the magnetic field is interrupted by movement of the pin into the spaces, the sensing device transmits either control signals to an anti-skid device or tire-pressure indicating signals to a display panel, depending upon the magnitude of the signals.

REFERENCES:
patent: 3130805 (1964-04-01), Carter et al.
patent: 3691524 (1972-09-01), Frost et al.
patent: 3977355 (1976-08-01), Lorenz et al.
patent: 4119944 (1978-10-01), Smith
patent: 4163208 (1979-07-01), Merz

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