Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device
Patent
1995-11-08
1998-04-14
Karlsen, Ernest F.
Electricity: measuring and testing
Electrolyte properties
Using a conductivity determining device
324439, 324724, 204434, 204406, 205181, 205474, G01N 2702
Patent
active
057396922
ABSTRACT:
A device for monitoring voltage and amperage on an article being electrocoated with a primer composition in an aqueous electrocoating bath which contains the following components: a sealed container for holding electrical components; a recording device positioned in the container for recording voltage and amperage; a voltage measuring circuit board positioned in the container and electrically connected to the recording device containing an electrical circuit for measuring; a first electrical probe positioned on the article being electrocoated and electrically connected to the circuit of the circuit board for measuring voltage and a second electrical probe for measuring amperage positioned on the article being electrocoated and electrically connected to the recording device; whereby as the article being electrocoated with a primer composition is passed through an aqueous electrocoating bath, measurements of voltage and amperage are being taken at set time intervals as the article is passing through electrocoating bath to monitor the voltage and amperage of the bath.
REFERENCES:
patent: 3658675 (1972-04-01), De Vittorio et al.
patent: 4956610 (1990-09-01), Galm et al.
patent: 5287060 (1994-02-01), Reddy et al.
patent: 5324399 (1994-06-01), Ludwig et al.
Mark Podany, "In-Tank Measurements of Voltage, Current Density, and Temperature", Electrocoat '92, 11-1 to 11-12, Mar. 1992.
Do Diep
E. I. Du Pont de Nemours and Company
Karlsen Ernest F.
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