Liquid-level transmitter with bell jar housing for gasoline tank

Details Liquid-level transmitter with bell jar housing for gasoline tank Liquid-level transmitter with bell jar housing for gasoline tank

1982-09-27

1985-07-30

Envall, Jr., Roy N.

Electrical resistors

Resistance value responsive to a condition

Float actuator

73308, 73313, 73317, H01L 1014, G01F 2310

Patent

active

045324913

ABSTRACT:
In a liquid-level transmitter having a swingable support lever (3) which bears a float (7) and a variable electrical resistor (9) actuated thereby, the variable resistor (9) is surrounded by a bell-shaped structural part (1) which is open towards the bottom but otherwise closed. In this way, as in the case of a diving bell, no liquid can enter into the bell-shaped structural part (1) when the level of the liquid rises above the height of the liquid-level transmitter, so that parts of the variable resistor are protected in simple fashion from corrosion due to contact with the liquid to be measured.

REFERENCES:
patent: 1185144 (1916-05-01), Stukel
patent: 2266298 (1941-12-01), Bacon
patent: 3200646 (1965-08-01), Donko et al.
patent: 3482200 (1969-12-01), Hamilton
patent: 4114130 (1978-09-01), Sutton et al.
patent: 4184370 (1980-01-01), Schlick et al.
patent: 4229973 (1980-10-01), Hava
patent: 4337657 (1982-07-01), Morris

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