Abstract: A system and method for cooling electronic devices disposed within the inner volume of an enclosure. The inner volume of the enclosure contains one or more single phase or multi-phase thermally conductive fluids that use bubble assisted circulation for enhanced heat transfer.

Abstract: A device for generating ozone from oxygen-containing gas by silent electric discharge. At least two high-voltage electrodes and at least one ground electrode are nested. A discharge gap is defined between each high-voltage electrode and adjacent ground electrode. A dielectric is arranged in each discharge gap. In one embodiment, at least two discharge gaps are traversed by the gas, and a different voltage is applied to each gap according to the individual gap width. In another embodiment, filler material is arranged in an interstice between the high-voltage electrode and the corresponding dielectric, and the same amount of power is applied to each discharge gap.

Abstract: A robust apparatus to improve the efficiency and emissions of a combustion process using a plurality of cell elements disposed within a housing that is placed in the air intake to a combustion chamber. The ozone cell includes an element assembly where the cell elements are bonded together with two or more mounting rings. The mounting rings incorporate rubber-like mechanical isolation such as an o-ring between the mounting rings and the cell elements. The cell elements may also include rubber-like isolation between the insulating tubes and the outer electrodes. The robust element assembly as described herein is better suited to survive the harsh environment of the ozone cell place in or near a combustion engine or process.

Abstract: Resources, such as water, energy, power, amount of de-scaling chemicals, device lifetimes, data analytics and system depreciation may be conserved through the use of dual-field electric and magnetic probes that create and apply electromagnetic fields to liquids, such as water.

Abstract: The present invention relates to: a device (1, 101, 151) for separating off liquid and/or particulate contaminants from a gas flow (7, 107), in which a flow path of the gas flow (7, 107) runs between at least one first electrode (9, 31, 109) acting as a counter electrode and at least one second electrode (11, 111, 51, 53, 57, 135, 135?, 135?, 155) acting as an emitter electrode and having an electrode end (71, 77, 90) oriented in the direction of the first electrode, and a direct-current voltage exceeding the breakdown voltage can be applied between the first electrode (9, 31, 109) and the second electrode (11, 111, 51, 53, 57, 135, 135?, 135?, 155) in order to form a stable low-energy plasma (41, 125), wherein the second electrode (11) extends substantially along a first axis (X) in a first direction and the first electrode (31) has at least one plateau region (33) which is arranged opposite the second electrode (11) and which extends at least regionally in a first plane running substantially perpendicular t

Abstract: A built-in apparatus and method for treating air including a housing with an air inlet and an air outlet. An air mover positioned near the air outlet is configured to draw the air through the air inlet. The housing encloses an air treatment zone, such as including an oxidizing zone, and an ozone removal zone positioned downstream of the air treatment zone and oxidizing zone. The air treatment zone includes UV light and/or ozone that partially oxidizes the chemical contaminants in the air treatment zone. A catalyst in the oxidizing zone oxidizes elements within the air treatment zone. The ozone removal zone includes a second, different catalyst material. A UV bulb that may or may not generate ozone is positioned within or downstream of the first and/or second catalyst materials to assist catalyst oxidation and/or self-clean the apparatus.

Abstract: A method of continuous ozone production using a system of four absorbent beds to separate an ozone and oxygen gas mixture generated in an ozone generator. The beds are operated according to an offset sequence of cycles. Oxygen passing through the beds is at least partially recycled for use in further ozone generation. The concentration of oxygen in the ozone product can be reduced using the system to make it suitable for use in fine chemical applications.

Abstract: The power supply unit for an ozone generating system generally has a pulsed current generator generating current pulses to be supplied to an ozone generator; and a computer adapted for obtaining an ozone yield based on a first amount of ozone to be generated by the current pulses during a first period of time and on a first amount of electricity consumed by the power supply unit during the first period of time; modifying an amplitude of the current pulses based on the ozone yield; obtaining an ozone production rate based on a second amount of ozone generated during a second given period of time; adjusting a frequency of the current pulses based on the ozone production rate; and wherein said steps are executed iteratively to enhance the ozone yield while meeting the ozone production rate.

Abstract: A thermal and non-thermal plasma activated water reactor system is provided that includes a reaction chamber, where the reaction chamber includes a gas inlet, a water inlet, a gas and water outlet, a ground electrode and reaction electrodes, where the water inlet and the water outlet are disposed to form a water vortex in the reaction chamber when water flows there through, where the reaction electrodes include a thermal plasma electrode and a non-thermal plasma electrode, and a plasma activated water reservoir that is disposed to receive the plasma activated water from the reaction chamber and disposed to return the plasma activated water to the reaction chamber.

Abstract: 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.

Abstract: Systems and methods for dissolving ozone gas in a liquid. An embodiment can comprise a tank having an upper region, a lower region, and a discharge outlet, all disposed in a specified geometry. A pump can be coupled with a liquid inlet in order to receive a liquid therefrom and to deliver the liquid via a pipe to the upper region of the tank. The pump can be coupled with the lower region of the tank in order to receive the liquid from the tank and to recirculate the liquid to the upper region of the tank. The apparatus can include an ozone inlet to receive ozone into the tank. The ozone inlet can comprise a venturi inlet disposed on the pipe downstream of the pump. The liquid can be released from the tank and depressurized, thereby providing for the ozone to emerge from the liquid as gas bubbles. The released liquid can be selected for a two-stage gas and aqueous cleaning process.

Abstract: A system to determine the ground impedance of a conduit system includes a conductive sheath and a resistor of known value. The conductive sheath is configured to surround a portion of a conductor housed within a conduit system. Capacitive coupling occurs between the sheath and the conductor to establish a voltage source. The resistor is electrically coupled between the voltage source and a metal component of the conduit system, and a voltage drop is read across the resistor to determine the health of the ground impedance of the conduit system.

Abstract: In a resonant inverter device, a main circuit is configured to convert input power supplied from a direct-current (DC) power source into alternating-current (AC) power and supply the AC power to a resonance load as output power, and a controller is configured to control operations of the main circuit. In the controller, a deriver is configured to derive a power loss or circuit efficiency of the main circuit as a conversion loss parameter of the main circuit, and an input power calculator is configured to calculate an increased target output value by increasing the target output value using the conversion loss parameter, as a target value of input power that is input to the main circuit. In the controller, an operation controller is configured to control operations of the main circuit such that the calculated target value of the input power is input to the main circuit.

Abstract: A novel motor drive system has been described for use in electrostatic generator/motor systems based on the time variation of capacity of a rotating condenser comprised of segmented rotor and stator elements. It takes advantage of the fact that the motor action of such a system depends only on the rms value of the drive pulses, which therefore can be formed simply by periodically interrupting a high-frequency ac wave train. This new circuitry simplifies the drive system and takes advantage of recent developments of devices used in the art of inversion of dc voltages to high-frequency (tens of kiloHz) ac.

Abstract: Systems and methods for dissolving ozone gas in a liquid. An embodiment can comprise a tank having an upper region, a lower region, and a discharge outlet, all disposed in a specified geometry. A pump can be coupled with a liquid inlet in order to receive a liquid therefrom and to deliver the liquid via a pipe to the upper region of the tank. The pump can be coupled with the lower region of the tank in order to receive the liquid from the tank and to recirculate the liquid to the upper region of the tank. The apparatus can include an ozone inlet to receive ozone into the tank. The ozone inlet can comprise a venturi inlet disposed on the pipe downstream of the pump. The liquid can be released from the tank and depressurized, thereby providing for the ozone to emerge from the liquid as gas bubbles. The released liquid can be selected for a two-stage gas and aqueous cleaning process.

Abstract: An exhaust aftertreatment system for purifying an exhaust gas feedstream that is expelled from an internal combustion engine that is operable at an air/fuel ratio that is lean of stoichiometry is described. The exhaust aftertreatment system includes a barrier discharge plasma reactor that is disposed upstream relative to a catalytic reactor and electrically connected to a plasma controller. The barrier discharge plasma reactor is controlled to generate ozone from constituents of the exhaust gas feedstream when the internal combustion engine is operating at a lean air/fuel ratio and at a low temperature condition. The generated ozone reacts, in the catalytic reactor, to oxidize non-methane hydrocarbons contained in the exhaust gas feedstream when the internal combustion engine is operating at lean air/fuel ratio and at low temperature conditions.

Abstract: A method of forming a zinc oxide film or a magnesium zinc oxide film which has a high transmittance. The method of forming a zinc oxide film or a magnesium zinc oxide film includes (A) converting a solution containing zinc, or zinc and magnesium into mist, (B) heating a substrate, and (C) supplying the solution converted into mist, and ozone to a first main surface of the substrate under heating.

Abstract: Embodiments of a water treatment system, a method of regenerating a water treatment system, a use of a water softener valve and an ozone kit for a water filtration system are provided. The water treatment system includes a water tank containing iron filtration media; an ozone gas source having an outlet; and a water softener valve having a venturi nozzle that is associated with the water tank and in fluid communication with the outlet of the ozone gas source, the water softener valve configured to invoke a regeneration mode during which the water softener valve controls backwashing of the iron filtration media and then permits ozone gas from the ozone gas source to be drawn through the venturi nozzle and into the water tank.

Abstract: Apparatuses and methods are described for distributing gas which may be applicable in the field of polymer oxidation and melt curtain ozonation in particular. Ozone applicators and other features of ozonation apparatuses, which may be used separately or in combination, are also described.

Abstract: The invention relates to a corona ignition device for igniting fuel in a combustion chamber of an engine by means of a corona discharge, comprising a tubular housing, a coil arranged in the tubular housing, an insulator, which plugs into the tubular housing, and a center electrode, which is connected to the coil, plugs into the insulator and leads to at least one ignition tip. In order to increase the service life of the ignition tip, said ignition tip consists in part or completely of an iridium-based alloy containing 3 to 30% by weight of rhodium or is coated by a burn-up layer.

Abstract: A system including: an ozone generating device including discharge electrodes forming a discharge space; a gas supplying device; a power source device that supplies power to the discharge electrodes; a temperature adjustment device that adjusts temperature of the discharge electrodes; a control unit that controls the ozone generating device; and a detection unit that detects an ozone generation parameter in the ozone generating device. The control unit increases temperature of the discharge electrodes up to a vaporizing temperature of dinitrogen pentoxide by controlling the temperature adjustment device and the gas supplying device or the temperature adjustment device and the power source device, based on the output ozone generation parameter, to thereby switch operation from a normal operation mode to a cleaning operation mode in which surfaces of the discharge electrodes and the discharge space are cleaned up while continuing generation of ozone in the discharge space.

Abstract: A method for generating a non-thermal plasma having predetermined ozone concentration includes: providing an at least approximately closed volume as a reaction region; activating a plasma source and generating a non-thermal plasma in the reaction region. The plasma is held in the reaction region at least until a predetermined ozone concentration is reached or the ozone concentration falls below a predetermined upper limit for the ozone concentration.

Abstract: An ozone generating apparatus is provided which includes a pair of electrodes for producing a discharge by the application of an ac voltage therebetween, and at least one dielectric provided between the pair of electrodes. A source gas containing oxygen is provided into a discharge space in which the discharge is produced to generate ozone by the action of the discharge. A surface lying between at least one of the pair of electrodes and the discharge space and in contact with the discharge has a surface resistivity of 104? to 1011?. The source gas provided into the discharge space includes ultrapure oxygen having a purity of not less than 99.9%.

Abstract: A gaseous fluid-operated ozone supply unit includes a housing, output duct, ozone generator, air induction member and controller. The air induction member is located between the air inlet portion and ozone generator of the housing. The output duct has a coupling end and an extension end. The coupling end is connected with the ozone outlet, while the extension end is extended to a preset target for the ozone. The preset target must he capable of guiding the stream so that the output duct could generate negative pressure. The ozone supply unit provided enables to control ozone's opening and closing state through air-operated negative pressure. The ozone supply unit can maintain the flow rate and smoothness of the water supply passage, so as to remove impurities and dirt in water and prevent blocking or even disabling of active magnetic inductor for improved applicability and ease of operation.

Abstract: An ozone gas output flow rate management unit configured to receive a plurality of ozone gas outputs from a plurality of ozone generation units and capable of performing an ozone gas output flow rate control for selectively outputting one or a combination of two or more of the plurality of ozone gas outputs to any of a plurality of ozone treatment apparatuses by performing an opening/closing operation of a plurality of ozone gas control valves provided in the ozone gas output flow rate management unit.

Abstract: The invention relates to an ozone generator, comprising two electrodes and a dielectric layer arranged between the above such that between the dialectic layer and one of the electrodes an ozonizing gap is formed, through which an oxygen-containing gas can be run. In the direction of the flow of the gas, a dielectric capacity (CD) of the dielectric layer of the gas becomes smaller and/or layer thickness of the dielectric layer becomes greater, such that a gap width of the ozonizing gap is greater on the inlet side than the outlet side.

Abstract: An ozone generating apparatus according to one embodiment includes a hollow cylindrical sealed container provided with an inlet for a feed gas containing oxygen gas and an outlet for an ozonized gas. A discharge tube including a dielectric tube arranged within the container and a first electrode arranged within the dielectric tube is provided in the container. A second electrode is arranged within the container and surrounds the first electrode, spaced apart from the dielectric tube to form a discharge gap between the second electrode and the dielectric tube. The apparatus further includes a discharge voltage source configured to apply a discharging voltage across the first and second electrodes, and a cooling water jacket surrounding the second electrode. The dielectric tube has an outer diameter of 12 mm or more, but 19 mm or less.

Abstract: Apparatus and methods for enhanced electrocoagulation processing using enhanced membrane aeration are disclosed for effluent treatment. The apparatus has an enrichment means for establishing an ion rich air/gas stream and a membrane aerator for receiving the ionized air/gas stream and effluent to be treated. An ionized air/gas rich effluent feed stream flows out of the membrane aerator and is received at an electrocoagulation processing assembly for diffused ion enhanced electrocoagulation treatment.

Abstract: There is described herein a direct current power supply which offers improved control over an output signal. An input signal generated by an alternating current source is received and chopped by a solid state relay. The chopped signal is rectified by a bridge rectifier before being filtered by an “LC” (induction coil-capacitor) or “CLC” (capacitor-induction coil-capacitor) filter. The output signal can then be used as a direct current power supply signal. This power supply may be used in various types of ozone generation systems.

Abstract: The present invention generally includes an ozone generation system with a power supply that measures the rate of energy delivered to the ozone generation cell. While changing voltage, frequency or current will likely affect the rate of energy delivery, current, frequency and voltage provide a very poor and unreliable control for an ozone generation cell. It is only through control of the rate of energy delivery that consistent, reliable ozone generation is possible. Based upon the measurements of the rate of energy delivery as measured at the ozone generation cell, compared to the rate of energy delivery supplied, the rate of energy delivery supplied can be adjusted to improve ozone production and control.

Abstract: In accordance with at least one exemplary embodiment, a syringe, method and system for delivering a therapeutic amount of ozone are disclosed. An exemplary syringe can have a gas chamber and one or more electrodes. A portion of at least one electrode can be within the gas chamber. Alternatively, singularly or in conjunction, one or both electrodes can be attached to the outside of an exemplary syringe. One or more electrical contact points can be outside the gas chamber. Each electrical contact point can be connected to an electrode. Oxygen gas can provided within the gas chamber of the exemplary syringe. A medical ozone generator can be connected to the syringe via the electrical contact points. Corona discharge can be effectuated via the electrodes, which can result in an amount of ozone gas can being produced from the oxygen gas.

Abstract: An ozone generation system comprises an electricity charge unit price storing part which stores an electricity charge unit and a gas charge unit price storing part which stores a gas charge unit price, based on the electricity charge unit price, the gas charge unit price and necessary generation amount of ozone which is required for an ozonized gas, regarding an ozone concentration and a gas flow rate which are ozone generation amount basic parameters, values at which a running cost is a minimum are determined, a gas flow rate controller is controlled so as for a gas flow rate to be the determined gas flow rate and power of a power supply for an ozone generator is controlled so as for an ozone concentration to be the determined ozone concentration.

Abstract: An ozone generating apparatus for making a temperature distribution in a dielectric tube more uniform including a sealed vessel, two tube sheets made of a conductive metal plate having a hole formed therein which are provided at a predetermined interval to divide the inside of the sealed vessel into three spaces; a metal tube formed so as to connect holes of the tow tube sheets, a dielectric tube which is inserted into the inner part of a dielectric tube so as to have a predetermined gap between an outer wall an inner wall of a metal tube and a metal electrode formed inside the dielectric tube. An alternating current voltage is applied between the tube and electrode, a gas including oxygen flowing in a gap is discharged to generate ozone, and a discharge suppressing member is provided at a part of the gap facing a tube sheet.

Abstract: Disclosed are a method and an apparatus for processing an exhaust gas, which enable to suppress decrease of pH and increase of ORP of a mixture of an aqueous solution of a reducing agent and an aqueous alkali solution circulated within a wet reactor comprising a reduction reaction region and an oxidation reaction region. The method and apparatus enable to prevent deterioration of the mixed aqueous solution, and can be continuously operated for a long time. Specifically, the ORP and pH of the mixed aqueous solution of the aqueous solution of a reducing agent and the aqueous alkali solution to be circulated within the wet reactor are measured, and a fresh aqueous solution of a reducing agent and a fresh aqueous alkali solution are supplied, if necessary, into a reservoir unit arranged in the lower part of the wet reactor so that the ORP and pH of the mixed aqueous solution are kept within predetermined ranges.

Abstract: Systems and methods to delivery various ozone concentration and various flow rates are disclosed. A low flow, low concentration ozone delivery apparatus comprises an ozone generator configured to deliver a predetermined high flow, low concentration ozone output, an orifice having a predetermined size coupled to the high flow, low concentration ozone output configured to remove a particular amount of the high flow, low concentration ozone, and a mass flow controller coupled to the ozone generator and the orifice, the mass flow controller configured to monitor and control the flow of ozone based on the particular amount bled from the high flow, low concentration ozone to provide a low flow, low concentration ozone.

Abstract: An ozone generating apparatus is provided which includes a pair of electrodes for producing a discharge by the application of an ac voltage therebetween, and at least one dielectric provided between the pair of electrodes. A source gas containing oxygen is provided into a discharge space in which the discharge is produced to generate ozone by the action of the discharge. A surface lying between at least one of the pair of electrodes and the discharge space and in contact with the discharge has a surface resistivity of 104? to 1011?. The source gas provided into the discharge space includes ultrapure oxygen having a purity of not less than 99.9%.

Abstract: In accordance with at least one exemplary embodiment, a syringe, method and system for delivering a therapeutic amount of ozone are disclosed. An exemplary syringe can have a gas chamber and one or more electrodes. A portion of at least one electrode can be within the gas chamber. Alternatively, singularly or in conjunction, one or both electrodes can be attached to the outside of an exemplary syringe. One or more electrical contact points can be outside the gas chamber. Each electrical contact point can be connected to an electrode. Oxygen gas can provided within the gas chamber of the exemplary syringe. A medical ozone generator can be connected to the syringe via the electrical contact points. Corona discharge can be effectuated via the electrodes, which can result in an amount of ozone gas can being produced from the oxygen gas.

Abstract: An improved system and method for controlling ozone concentration in connection with a multi-chamber tool. The system and method involve a first and a second concentration controller in combination with an ozone generator. The first concentration controller detects an EVENT (i.e., one of the chambers in the multi-chamber tool coming on-line or off-line) and in response provides a power instruction to the ozone generator in accordance with a predictive control algorithm. The first concentration controller has a fast (i.e, about 1 second) response time. The second concentration controller is masked from the ozone generator during the EVENT, but otherwise controls the generator after an interval of time has lapsed after the EVENT. The second concentration controller has a slower response time than the first concentration controller, however the second concentration controller provides the system with long-term stability and can be used to provide updated data to the predictive control algorithm.

Abstract: The invention provides a power supply apparatus for supplying electric power to a capacitive load. The apparatus has a transformer, a positive half-period driver and a negative half-period driver supplying positive and negative half-periods of voltage to the first coil. The second coil forms an electric resonance circuit and supplies electric voltage to the load. Zero crossings of the voltage supplied to the first coil are determined from a third coil on the transformer, and alternation between positive and negative half-periods of voltage supplied to the first coil is done at the zero crossings of the voltage supplied to the first coil.

Abstract: A method of generating ozone by applying a silent discharge to oxygen as a first raw material gas, and an oxide compound gas, as a second raw material gas, in which excited light, excited and generated by a discharge in the oxygen and the oxide compound gas, dissociates the oxide compound gas, or excites the oxide compound gas, accelerating dissociation of the oxygen and generation of ozone. In this way, ozone generation efficiency is raised.

Abstract: An ozone device for deodorizing dresses within a closet, includes an ozone generator. The ozone generator includes a casing formed with first and second ventilation vents, an ozone producing element installed within the casing for generating ozone in order to deodorizing dresses within the closet, a circulating fan installed within the casing for circulating ozone generated by the ozone producing element, and a hanging unit projecting outward from the casing and adapted to be hung onto a suspension member. The closet is sleeved over and cooperates with the casing to define a sealed chamber so that dresses can be kept therein.

Abstract: The ultrasonic ozone-generating unit in accordance with the present invention has an ozone-generating device, an independent seat, a sink device, an utensil-holding device and a vegetable basket. The utensil-holding device and the vegetable basket are mounted in a receiving space of the independent seat or in a sink of the sink device. An ozone gas generated by the ozone-generating device with a close-type air-pumping device capable of producing powerful ultrasonic carrier-airflow is guided into the receiving space or the sink and dissolved in water to sterilize deodorize and bleach an object to be cleansed.

Abstract: A method of sterilizing a closed environment is provided in which a disinfection apparatus is placed into the closed environment; it then generates ozone to a predetermined ozone concentration, following which the humidity of the closed environment is rapidly increased. A catalytic converter then reduces the ozone concentration to safe levels. When the ozone concentration is reduced to a predetermined safe level, the disinfection apparatus signals.

Abstract: An ozone generating apparatus having high reliability in which a glass tube can prevent from being damaged by melting a power feeding brush even if a large amount of short-circuit current flows. In an ozone generating apparatus using silent discharge, an alternating high voltage power is supplied from a power supply to a metal film formed in an inner wall of a glass tube by a power feeding brush comprising a brush shaft made of metal and a large number of metal thin wires fixed to the periphery of the brush shaft, the following equation satisfies. (D2/D1)?1/{1+(1/20?)}, wherein ‘D1’ indicates an outer diameter of a bundle of metal thin wires, ‘D2’ indicates an outer diameter of the brush shaft and ‘?’ indicates the line density of metal thin wires on a surface of the brush shaft.

Abstract: In accordance with at least one exemplary embodiment, a syringe, method and system for delivering a therapeutic amount of ozone are disclosed. An exemplary syringe can have a gas chamber and one or more electrodes. A portion of at least one electrode can be within the gas chamber. Alternatively, singularly or in conjunction, one or both electrodes can be attached to the outside of an exemplary syringe. One or more electrical contact points can be outside the gas chamber. Each electrical contact point can be connected to an electrode. Oxygen gas can provided within the gas chamber of the exemplary syringe. A medical ozone generator can be connected to the syringe via the electrical contact points. Corona discharge can be effectuated via the electrodes, which can result in an amount of ozone gas can being produced from the oxygen gas.

Abstract: Helium is introduced as an additive to any of the oxygen streams introduced into an ozone generator, such as a dielectric discharge (cold plasma) ozone generator, where the effluent of the generator is directed to an adsorption process for separating the ozone from the oxygen. Also disclosed is an improved PSA cycle, which is designed to reduce the amount of make-up helium and oxygen required to sustain the ozone generation and recovery process.

Abstract: An ozone generating apparatus is provided which includes a pair of electrodes for producing a discharge by the application of an ac voltage therebetween, and at least one dielectric provided between the pair of electrodes. A source gas containing oxygen is provided into a discharge space in which the discharge is produced to generate ozone by the action of the discharge. A surface lying between at least one of the pair of electrodes and the discharge space and in contact with the discharge has a surface resistivity of 104? to 1011?. The source gas provided into the discharge space includes ultrapure oxygen having a purity of not less than 99.9%.

Abstract: The present technology provides an illustrative method for treating air. The method includes providing untreated air and producing an oxygen-enriched sample from the untreated air. The method further includes generating ozone in the oxygen-enriched sample to produce an ozone-enriched sample and contacting the ozone-enriched sample and a fraction of the untreated air to produce a treated sample. The fraction of the untreated sample includes a fraction removed from the untreated air when producing the oxygen-enriched sample. The method also includes removing ozone from the treated sample to form a purified sample of air.

Abstract: An electrolytic ozone cell anode spring fastening board structure includes a solid polymer electrolyte membrane (1), an anode electrocatalyst layer (2), a diffusion layer (3), frame body and support parts (5). A diffusion layer counterpiece (4) has one side attached to the diffusion layer (3), the other side of the diffusion layer counterpiece (4) equipped with a centered elevated step, which contacts the center of the convex side of a spherical spring board (6). In addition, the solid polymer electrolyte membrane (1), frame body and support parts (5), diffusion layer (3), diffusion layer counterpiece (4) and spring board (6) are held together by mechanical fastening means. It prevents a decrease in ozone generation rate in electrolytic ozone cell that can occur from the metal board deformation and thinning of the anode electrocatalyst layer.

Abstract: The present invention provides a highly reliable reaction cuvette in which air bubbles are adhered little and mutual contamination can be prevented among samples and reagents in adjoining reaction cuvettes, a method of surface treatment for a reaction cuvette, and an automatic analyzer with the reaction cuvette mounted therein. The reaction cuvette according to the present invention, in which a sample and a reagent are mixed with each other and its concentration is measured, has an area subjected to hydrophilic treatment by electric discharging on inner and outer surfaces of the reaction cuvette. Further the reaction cuvette has a container-like form with its upper portion opened to provide an opening and its lower portion closed to provide a bottom. The hydrophilic area is present from a bottom of the reaction cuvette up to a midway to the opening.