Liquid sensor

Details Liquid sensor Liquid sensor

1977-05-11

1978-10-24

Ruehl, Charles A.

Measuring and testing

Liquid level or depth gauge

With other measuring device

340604, G01F 2300, G08B 2100

Patent

active

041214579

ABSTRACT:
A liquid sensor for sensing a level of liquid contained in a tank as well as the presence or absence of water remaining at the bottom of the tank is disclosed. The liquid sensor comprises a housing mounted at the bottom of the tank, a liquid level detecting element mounted on the housing, a pair of electrodes arranged at the bottom of the tank to detect water remaining at the bottom of the tank and an indicator operated in response to signals developed by the liquid level detecting element and the pair of electrodes.

REFERENCES:
patent: 2295927 (1942-09-01), Botteron
patent: 2868015 (1959-01-01), Haropulos
patent: 2938383 (1960-05-01), Blackburn
patent: 3242473 (1966-03-01), Shivers, Jr. et al.
patent: 3918035 (1975-11-01), Eshraghian
patent: 3950740 (1976-04-01), Greene

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