Air disinfection device using ozone for killing bacteria and viruses with ozone recombination unit, comprising a housing (10), a fan (20), an ozone generator (50) included in the housing (10) and arranged in a separate box (30), the ozone generator (50) is electrically driven by a supply unit (41) connecting a high voltage to the ozone generator (50) to excite corona discharge, wherein a germicidal lamp (40) light is arranged in the box (30), and both the germicidal lamp (40) and the ozone generator (50) are driven by electric pulses having a frequency over 10 KHz, and an ozone recombination unit (60) is arranged behind the box (30) across the airflow passage to neutralize ozone included in the air flow that comprises at least two windings (63, 64) each having at least one surface comprised of respective spaced wires positioned across the airflow path and connected to a supply unit (61) coupling a pulsated high voltage with a repetition frequency over 10 kHz between the windings (63, 64).

An apparatus comprising a cold-plasma ozone generator, the ozone generator comprising: a non-arcing non-coronal ozone production cell capable of generating ozone; the ozone production cell having a pair of electrodes placed on two sides of the production cell and spaced apart by an electrode gap, and a dielectric layer on each of the electrodes facing inward into the ozone production cell; a high-voltage pulse generator attached to the electrodes and configured for producing a glow discharge cold plasma between the electrodes, the high-voltage pulse generator being able to produce sufficient voltage to generate the glow discharge cold plasma; a cooling system attached to each of the electrodes; and an oxygen source adapted to provide gas flow through the production cell in the gap between the pair of electrodes that efficiently generates ozone in the cold plasma, wherein the dielectric layers are intimately and directly bonded to each of the electrodes.

An oxygen allotrope generator having a tube with an electrically grounded outer surface and an electrically positive inner surface. A plurality of corona reaction plates are spaced along the interior of the tube, the plates being longitudinally inter-connected by wires and being in electrical connection with the electrically positive inner surface of the tube. An outer jacket encloses the tube and provides a second linear pass for partially ozonated gas to flow in the generator. An alternative embodiment includes external distributed ground connections at the locations of the corona reaction.

A mobile system is described that that produces and applies an ozonated liquid to clean and sanitize a variety of articles and surfaces. The mobile system includes an ozonated liquid dispensing unit that forms the ozonated liquid from water and ozone gas.

An ozone generator (1) is presented comprising a body (2), a first electrode (4), a second electrode (6), an elongate channel within the body extending between the first and second electrodes, an inlet (10) and an outlet (12); the elongate channel being in fluid communication with the inlet and the outlet; the elongate channel isolated from each of the first and second electrodes by a respective dielectric layer (22, 24), whereby an electric field can be generated across the elongate channel between the first and second electrodes. The presented ozone generator allows small quantities of ozone to be produced for use in small scale water treatment. In addition, a method of producing ozone is presented using an ozone generator according to the invention.

An ozone generator unit includes a housing with a first half having a first recess and a second half having a second recess. The ozone generator unit further includes an inlet and an outlet in the housing, a first dielectric disc arranged within the first recess in contact with an inner surface of the first half, a second dielectric disc arranged within the second recess in contact with an inner surface of the second half, and a high voltage electrode, having a gas passage, arranged between the first and second dielectric discs. The high voltage electrode is spaced apart from the first and second dielectric discs using a first spacer and a second spacer to constitute a first gas chamber and a second gas chamber on either side of the high voltage electrode.

An ozone generator unit includes a housing with a first half having a first recess and a second half having a second recess. The ozone generator unit further includes an inlet and an outlet in the housing, a first dielectric disc arranged within the first recess in contact with an inner surface of the first half, a second dielectric disc arranged within the second recess in contact with an inner surface of the second half, and a high voltage electrode, having a gas passage, arranged between the first and second dielectric discs. The high voltage electrode is spaced apart from the first and second dielectric discs using a first spacer and a second spacer to constitute a first gas chamber and a second gas chamber on either side of the high voltage electrode.

An oxygen allotrope generator having a tube with an electrically grounded outer surface and an electrically positive inner surface. A plurality of corona reaction plates are spaced along the interior of the tube, the plates being longitudinally inter-connected by wires and being in electrical connection with the electrically positive inner surface of the tube. An outer jacket encloses the tube and provides a second linear pass for partially ozonated gas to flow in the generator. An alternative embodiment includes external distributed ground connections at the locations of the corona reaction.

An ozone generator includes one or more electrode pairs each containing two electrodes arranged at a distance of a predetermined gap length and a power source for applying an alternating-current voltage between the two electrodes. In the ozone generator, ozone is produced when a source gas flows at least between the two electrodes and a discharge is generated between the two electrodes. The ozone generator has a discharge space formed between the two electrodes, and the ozone generator satisfies the condition of 0.5<V/f/L wherein V (m/s) represents a flow velocity of the source gas flowing through the discharge space, f (Hz) represents a frequency of the alternating-current voltage, and L (m) represents a length of the discharge space in the main flow direction of the source gas.

An oxygen allotrope generator having a tube with an electrically grounded outer surface and an electrically positive inner surface. A plurality of corona reaction plates are spaced along the interior of the tube, the plates being longitudinally inter-connected by wires and being in electrical connection with the electrically positive inner surface of the tube. An outer jacket encloses the tube and provides a second linear pass for partially ozonated gas to flow in the generator. An alternative embodiment includes external distributed ground connections at the locations of the corona reaction.