Tire pressure pick-up

Details Tire pressure pick-up Tire pressure pick-up

1981-08-03

1983-05-31

Grimley, A. T.

Electricity: circuit makers and breakers

Special application

Pneumatic tire inflation responsive

200 83N, 307118, H01H 3524

Patent

active

043862470

ABSTRACT:
The pressure pick-up is of the type comprising an elastic metal diaphragm deformable between a first and a second state according as the pressure in the tire is lower or higher than a predetermined value, and an electrical switch controlled by the diaphragm. In accordance with the invention the metal diaphragm has the form of a spherical dome mounted to bear with its edge free at the periphery of its concave face against a seating, its convex face being subjected to the pressure in the tire.

REFERENCES:
patent: 2649518 (1953-08-01), Fuehring
patent: 3185785 (1965-05-01), Howard
patent: 3433912 (1969-03-01), Hutchison et al.
patent: 3908105 (1975-09-01), Schuler
patent: 3985984 (1976-10-01), Cappa
patent: 4254398 (1981-03-01), Matsuda et al.
patent: 4255628 (1981-03-01), Broetto

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