Fluid level indicator for a reservoir

Electricity: circuit makers and breakers – Float – Float and pressure

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Details

340624, 73313, 335206, H01H 3518

Patent

active

046281622

ABSTRACT:
The present invention is related to an electric switch comprising a magnet and a reed contact which is actuatable by the magnetic force of the magnet. The reed contact is shielded relative to the magnetic field of the magnet by means of a bell of magnetic field absorbing material which is furnished with an opening in the switching range of the reed contact to permit switch actuation. Exact switching points at the reed contacts are achieved by this arrangement.

REFERENCES:
patent: 3250866 (1966-05-01), Ryno
patent: 3363073 (1968-01-01), Boguet
patent: 4015226 (1977-03-01), Stomma
patent: 4057700 (1977-11-01), Nakashima
patent: 4271763 (1981-06-01), Berger
patent: 4384184 (1983-05-01), Alvarez

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