Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1974-11-18
1976-08-24
Davis, Jr., Albert W.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
123 4115, 340 59, F28F 1900
Patent
active
039761215
ABSTRACT:
A conductivity probe unit comprising a chamber with a restricted entrance and an internal button electrode, the chamber being located in the header tank of a radiator.
REFERENCES:
patent: 2327558 (1943-08-01), Reavis
patent: 3230770 (1966-01-01), Hermanson
patent: 3495214 (1970-02-01), Wishart
patent: 3603926 (1971-09-01), Kimura
patent: 3805230 (1974-04-01), Sakasegawa et al.
patent: 3832982 (1974-09-01), Guehr
patent: 3845464 (1974-10-01), Engel
Davis Jr. Albert W.
Liles James D.
Marston Radiators Limited
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