Abstract: An electrostatic charge generator for continually providing charge carriers f a given polarity in a flow of dielectric fluid. The charge generator comprises a coaxial tube with an inner conductor wire coaxial with a hollow, cylindrical outer conductor. A D.C. potential is applied between the inner and outer conductors of the coaxial tube and a dielectric liquid, such as oil, is caused to flow therethrough. Since the intensity of the non-uniform electric field in the conductor tube is highest near the inner conductor, the electrostatic charges of the opposite polarity as the inner conductor are removed from the dielectric fluid faster than charges of the same polarity are removed at the outer conductor. This results in the dielectric fluid exiting the conductor tube carrying a charge of the remaining polarity.

Abstract: An electrostatic high potential device which utilizes the generation of etrostatic charges on moving oil to produce a high potential difference on the order of thousands of volts. A metal encased ionizing device or charge generator with a system of passageways of dielectric material has an oil moving therethrough and against the dielectric material to cause a transfer of electric charges between the oil and passageway surfaces. The passageways act as baffles and provide a large amount of surface contact between the oil and dielectric material. The conductive housing of the ionizing device is grounded to draw off the charges on the dielectric material, and a pump circulates the charged oil from the ionizing device to a charge storage device of similar design. Electrodes in the charge storage device draw off the charges on the oil.

Abstract: An oil-water separating method and apparatus utilizing the Coanda Effect separating oil from an oil-water mixture in a continuous manner. The device comprises a housing having an inlet port, an outlet port and a pair of offsetted walls. The oil-water mixture enters the housing parallel to the offsetted walls. A pair of concavely curved walls having an apex adjacent the inlet port splits the entering oil-water mixture into two sub-jets. Each sub-jet enters a bounded region where oil is separated from the water before the oil-water mixture exits the housing.

Abstract: An oil-water separating device utilizing the wall attachment effect for srating oil from an oil-water mixture in a continuous manner. The device is comprised of an oil-water mixture inlet nozzle delivering the mixture into a bounded region inside the separator to form a mixture jet which attaches to one wall creating a separation bubble in the bounded region. The bounded region is provided by a cavity formed by two or more plates joined together with an oil collecting chamber provided on top of the bounded region by an additional plate. The oil is captured in the bounded region by the separation bubble and flows into the oil collecting chamber through connecting holes. The oil in the collecting chamber is transferred by an oil outlet, either by siphoning or by means of a metering pump to an oil storage tank. A multiple stage oil-water separator can be provided by forming a plurality of series-connected, bounded regions between the two plates.