A device for generating ozone from oxygen-containing gas by silent electric discharge, the device including an electrode arrangement having at least one high-voltage electrode and at least one annular ground electrode. An annular dielectric is arranged between the at least one high-voltage electrode and the at least one ground electrode. The at least one high-voltage electrode is surrounded by at least one annular heat pipe.

An ozone generating device including an excimer lamp having an arc tube containing a luminescent gas, a first electrode, and a second electrode. The arc tube has a first end portion and a second end portion, a first diameter-reduced portion provided continuously from the first end portion, a diameter of which decreases as a distance from the first end portion increases, and a second diameter-reduced portion provided continuously from the second end portion, a diameter of which decreases as a distance from the second end portion increases, the first electrode is provided for an outer periphery surface of the first end portion, the second electrode is provided for an outer periphery surface of the second end portion, the arc tube is fixed via the cylindrical portion, and the first electrode is not provided over the first diameter-reduced portion, and/or the second electrode is not provided over the second diameter-reduced portion.

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.

Provided is an ozone generating assembly, including a conductive pillar, an insulating sleeve sleeved on an outer periphery of the conductive pillar, a conductive sleeve sleeved on an outer periphery of the insulating sleeve, and insulating brackets arranged at two ends of the conductive pillar and used to arrange an inner wall of the conductive sleeve and an outer wall of the conductive pillar in parallel and at an interval. Air guiding holes are uniformly distributed on an outer peripheral surface of the conductive sleeve, and an ozone channel is formed by the air guiding holes and a gap between the inner wall of the conductive sleeve and an outer wall of the insulating sleeve. Further provided is an ozone generator, which is low in energy consumption, good in heat dissipation effect, and high in ozone release efficiency.

A dielectric assembly for generating ozone includes a positive electrode, a negative electrode, a dielectric for generating the ozone, and a knob adapted to extend outside of a housing into which the dielectric assembly is to be placed. A system is also provided for sanitizing and deodorizing water, food, surfaces and air including a microbiological reduction filter device having an input connected to a water supply, a venturi injector disposed within a housing and connected to an output of the microbiological reduction filter device which generates ozone and mixes the generated ozone with the water, and an electrode assembly comprising a plurality of electrodes, a dielectric for generating the ozone, and a knob extending outside of the housing. The dielectric in a first embodiment and the entire dielectric assembly in a second embodiment can be removed from the housing and replaced in its entirety by the knob.

A method is provided for treating contaminated vapors in an area below a slab of a building such that the slab is located above a first layer of gravel and a second layer of soil. The method includes providing an ozone unit, a riser pipe, and tubing. An area below the slab where contaminated vapors need treated is first detected and then a hole is formed in the slab to define an injection location. The method also includes positioning the riser pipe in the hole at the injection location and coupling the tubing between the ozone unit and the riser pipe. The method further includes dispensing ozone from the ozone unit to flow through the tubing and the riser pipe to treat contaminated vapors in the area below the slab.

An apparatus for performing dental hygiene includes a mechanism to sterilize a head portion based on an ozone generator integrated with a base of the apparatus. The ozone generator includes a corona discharge tube, a micro air pump to circulate air through the corona discharge tube, and a bubble diffuser to diffuse ozone in a fluid. The ozone diffused fluid is transferred to a space around the head portion to sterilize the head portion. The space around the head portion is created by a cap like device connected to the head portion in watertight manner. An ultrasonic mechanism is coupled to the cap like device as an additional sterilizing mechanism, and generates ultrasonic waves through the fluid held around the head portion for sterilizing the head portion.

An ozone generator includes a container, a first metal electrode, a dielectric electrode, a heat pipe, a heat sink, and a power supply unit. The first metal electrode is a cylindrical electrode the axial direction of which is a first direction, and disposed in the container. A cooling medium is supplied to an outer peripheral surface thereof. The dielectric electrode is a cylindrical electrode that is disposed to be opposed to an inner peripheral surface of the first metal electrode, and is coaxial with the first metal electrode. The heat pipe is disposed to be opposed to an inner peripheral surface of the dielectric electrode, and has electrical conductivity. The heat sink is disposed on the outside as an outer space of a space between the first metal electrode and the heat pipe, and connected to the heat pipe.

An ozone generator includes a high-voltage electrode and at least one counter electrode, which define an interstice in which at least one dielectric is arranged and through which a gas flows in the flow direction, the high-voltage electrode and the at least one counter electrode being provided with a connection for an electrical voltage supply to generate silent discharges, and a wire fabric being arranged in the gas flow and its density decreasing in the flow direction.

A corona plasma cell includes a polarized electrode and a ground electrode, including a cylinder and a porous film, with the cylinder having a low profile and the polarized electrode not entering the cylinder; a corona plasma dual element including a first cell, a second cell having such a structure, which first and second cell are symmetrically arranged; and finally a plasma reactor including a plurality of cells or dual elements.