Electricity: measuring and testing – Electrostatic field
Patent
1990-02-09
1991-11-05
Wieder, Kenneth A.
Electricity: measuring and testing
Electrostatic field
361227, G01R 2912
Patent
active
050633503
ABSTRACT:
A device and method of determining the voltage and current existing at the electrostatic electrode in a electrostatic spray gun, the spray gun containing a self-contained power supply including a turbine generator operating the air supplied to the gun, the power supply producing a low voltage d.c., and a voltage multiplier changing the voltage to a high potential which is applied to the electrode of the spray gun, a sensing and measuring circuit for determining the return current or ground current from the electrode to the power supply and producing a voltage directly related to the ground current and producing a voltage signal which may be measured directly to indicate the ground current; a circuit establishing a base voltage from the power supply for comparison against the ground current voltage signal and obtaining a differential voltage which may be measured and which is directly proportional to the electrode voltage.
REFERENCES:
patent: 1869384 (1932-08-01), MacLachlan
patent: 2742600 (1956-04-01), Lamm
patent: 2922584 (1960-01-01), Slatkin
patent: 3081629 (1963-03-01), Clauss et al.
patent: 3641971 (1972-02-01), Walberg
patent: 3645447 (1972-02-01), Cowan
patent: 3851618 (1974-12-01), Bentley
patent: 4000443 (1976-12-01), Lever
patent: 4073002 (1978-02-01), Sickles et al.
patent: 4262254 (1981-04-01), Poss
patent: 4266262 (1981-05-01), Haase, Jr.
patent: 4290091 (1981-09-01), Malcolm
patent: 4339721 (1982-07-01), Nihira et al.
patent: 4370616 (1983-01-01), Williams
patent: 4377838 (1983-03-01), Levey et al.
patent: 4634057 (1987-01-01), Coffee et al.
patent: 4650003 (1987-03-01), Euson
patent: 4682735 (1987-07-01), Mommsen
patent: 4737887 (1988-04-01), Thome
patent: 4745520 (1988-05-01), Hughey
patent: 4838487 (1989-06-01), Schneider
Hemming Dale R.
Lind Robert J.
Lunzer Lawrence J.
Graco Inc.
Palmatier H. Dale
Regan Maura K.
Sjoquist Paul L.
Wieder Kenneth A.
LandOfFree
Electrostatic spray gun voltage and current monitor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrostatic spray gun voltage and current monitor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrostatic spray gun voltage and current monitor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-500677