Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent
1982-08-23
1984-10-09
Ruehl, Charles A.
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
340620, 340 59, G01F 2310
Patent
active
044753896
ABSTRACT:
A radiator cap having an outer shell and a pressure vacuum valve assembly for closing the filler neck of a radiator includes a probe for detecting the coolant level in the radiator. The probe projects from the cap into the radiator interior and is electrically isolated from the radiator. An electrical connection is provided through the shell to connect the probe to a power source and indicator.
REFERENCES:
patent: 3938117 (1976-02-01), Bozoian
patent: 4110740 (1978-08-01), Akita
patent: 4277773 (1981-07-01), Blatnik
Giebel James R.
Ruehl Charles A.
Stant Inc.
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