Liquid level sensing means

Details Liquid level sensing means Liquid level sensing means

1979-03-12

1980-08-19

Goldberg, Gerald

Measuring and testing

Liquid level or depth gauge

Float

340 59, 340624, G08B 536, G08B 1902

Patent

active

042177790

ABSTRACT:
Liquid level sensing device comprising magnet received in the cylindrical portion of an oil reservoir cap, a signal generating electrical circuit, by which an oil level is indicated, including galvano-magneto effect transducing device attached to the magnet, magnetic device carried on a diaphragm of the oil reservoir and movable with respect to the transducing device, the magnetic device moving away from the transducing device when the diaphragm is lowered so that an electric signal is generated by the transducing device.

REFERENCES:
patent: 2383758 (1945-08-01), Ziebolz
patent: 3195043 (1965-07-01), Burig
patent: 3596114 (1971-07-01), Maupin
patent: 3678490 (1972-07-01), Putt
patent: 3845657 (1974-11-01), Hall
patent: 3896281 (1975-07-01), Feoktistov
patent: 4006402 (1977-02-01), Mincuzzi
patent: 4125821 (1978-11-01), Masuda

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