Magnetically operated liquid level indicator

Details Magnetically operated liquid level indicator Magnetically operated liquid level indicator

1982-04-08

1985-04-23

Goldberg, Gerald

Measuring and testing

Liquid level or depth gauge

Float

73314, 733225, 73DIG5, 335302, 335306, G01F 2312

Patent

active

045121907

ABSTRACT:
A liquid level indicator includes a magnetized float and a plurality of magnetized indicator elements which are pivoted by the float magnet and which have distinguishable opposite surfaces to provide the liquid level indication, the indicator elements being formed from a material which provides magnetic fields of opposite magnetic polarity which extend substantially continuously along the opposite edges of the indicator elements.

REFERENCES:
patent: 2409866 (1946-10-01), Jewell
patent: 2920484 (1960-01-01), Reichert
patent: 3022450 (1962-02-01), Chase, Jr.
patent: 3024392 (1962-03-01), Baermann
patent: 3233950 (1966-02-01), Baermann
patent: 3349354 (1967-10-01), Miyata
patent: 3361999 (1968-01-01), Leinauer et al.
patent: 3420103 (1969-01-01), Peschek
patent: 4382245 (1983-05-01), Harrigan
patent: 4457171 (1984-07-01), Gebauer

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