Apparatus for detecting pressure in pneumatic tires

Details Apparatus for detecting pressure in pneumatic tires Apparatus for detecting pressure in pneumatic tires

1979-01-02

1980-06-17

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

731465, 200 6125, B60C 2304

Patent

active

042086493

ABSTRACT:
Apparatus for detecting loss of pressure in a pneumatic tire, while it is in use on a vehicle, includes an actuator secured to the wheel so as to rotate therewith. The actuator is in communication with the air in the tire and has a movable part of magnetically active material positioned in accordance with the magnitude of the air pressure. A magnetically actuated device is mounted on the vehicle so as to be variably actuated according to the position of the magnetically active part of the actuator as it rotates with the wheel, and an indicator connected to the magnetically actuated device indicates loss of air pressure in the tire.

REFERENCES:
patent: 3638180 (1972-01-01), Lejeune
patent: 3760351 (1973-09-01), Thomas
patent: 3781787 (1973-12-01), Suggimama
patent: 3828309 (1974-08-01), Yamasaki et al.
patent: 3832681 (1974-08-01), Kaida et al.
patent: 4134102 (1979-01-01), Stewart et al.
patent: 4157530 (1979-06-01), Merz

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