Communications: electrical – Systems – Call station
Patent
1976-10-08
1978-03-21
Caldwell, Sr., John W.
Communications: electrical
Systems
Call station
340242, G08B 2100
Patent
active
040805930
ABSTRACT:
A device for the detection of liquid components in gases, especially to detect the presence of liquids such as lubricants in gases subjected to compression in dry-running compressors, comprises an electric capacitor having a moisture-receptive dielectric with dielectric constant varying from a normal dielectric constant in the presence of the absorbed liquid. The capacitor is connected in a capacitance-detection circuit and can operate an alarm or the like.
REFERENCES:
patent: 3350941 (1967-11-01), Misevich et al.
patent: 3460123 (1969-08-01), Bass
patent: 3530855 (1970-09-01), Balding
patent: 3940754 (1976-02-01), Weber
Gernandt Helmut
Heeg Heinz
Caldwell Sr. John W.
Linde Aktiengesellschaft
Myer Daniel
Ross Karl F.
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