Class / Patent application number | Description | Number of patent applications / Date published |
422121000 | With means exposing gas to electromagnetic wave energy or corpuscular radiation | 79 |
20080199367 | Indoor air freshener - An air is dehumidified by a dehumidifier. Then the dehumidified air is heated, sterilized and deodorized at an air outlet. | 08-21-2008 |
20080219896 | AIR PURIFIER - An air purifier is disclosed having an electrostatic chamber and a germicidal chamber, wherein the two chambers are distinct and there is no air flow communication between the electrostatic and germicidal chambers. | 09-11-2008 |
20090004066 | Air purifier with a sensor and/or timer switching function. - An air purifier with a sensor and/or timer switching function is proposed, which comprises: a photo sensor or motion detecting sensor and /or timer switching circuit to automatically activate or turn off or reduce the lighting intensity of lamp in the apparatus when ambient lighting or motion detecting signal is changed, or by programmed time period to reduce the possibility of harmful lighting like UV to the human directly. | 01-01-2009 |
20090041632 | Air Purifier System and Method - The invention provides an air purification system and method for combining filtration, ultraviolet irradiation, and photocatalysis, in an annular geometry that maximizes the photocatalytic efficiency of the ultraviolet light in the deactivation of microbes and the photocatalysis of volatile compounds. | 02-12-2009 |
20090053113 | Compact Horizontal Air Purifier - The present invention provides a compact horizontal air filter. The electrode array of the elements tending to be tainted with dust in the air filter is simple and convenient to generate clean and fresh air. The air filter comprises a case, a frame slidably inserted in and drew out of the case, a first array electrode fixed on the frame, a second array electrode fixed on the frame and being apart from the first array electrode, and a high voltage pulse generator. The electropositive particles in the air are attracted by the electronegative metal made collecting dust vane when they pass through a collecting dust chamber. | 02-26-2009 |
20090104086 | Photocatalytic titanium dioxide nanocrystals - A photocatalytically active titanium dioxide film may be applied onto surfaces of a variety of objects to oxidize matter that comes into contact with those surfaces. Various methods may be used to apply a solution of the photocatalytically active nanoparticles onto surfaces receiving regular human contact or proximate to human presence. An inorganic primer layer may be initially applied to an organic substrate, such as food, plants, flowers and foliage, to prevent the photocatalytically active coating from oxidizing the organic substrate. | 04-23-2009 |
20090110610 | DEODORIZATION DEVICE OF COOKING APPARATUS AND COOKING APPARATUS INCLUDING DEODORIZATION DEVICE - A deodorization device of a cooking apparatus includes a first discharge unit disposed to intersect a flow path along which air including odor-producing materials passes, the first discharge unit having a plurality of first through holes through which the air passes; and a second discharge unit spaced apart from the first discharge unit so as to form a discharge space there between in which the air is deodorized, the second discharge unit having a plurality of second through holes through which the air from the discharge space passes. | 04-30-2009 |
20090123343 | AIR HANDLER AND PURIFIER - A system that captures and eliminates indoor pollutants and chemical and biological agents within a HVAC system by breaking down the pollutants and chemical and biological threats into non-hazardous molecules. The surface area created by crystalline titanium dioxide nano-structures results in highly effective elimination rates when catalytic ionization by UV exposure occurs. The catalyst is activated with UVA light. | 05-14-2009 |
20090162251 | Air sterilization device with low aerosol bounce - An air sterilization device with low aerosol bounce includes an air conditioning pipe, a porous filter media, and a UV light generator. This porous filter media, it is secured on the fixing portion. This porous filter media has many irregularly distributed channels. The channel is coated with a coating layer having a thickness between 10 μm to 1000 μm sticking aerosols for avoiding bounce effect. The UV light generator can emit UV light to kill biological aerosols. It is suitable for long-term usage. So, the bounce effect of aerosols can be significantly reduced. The maintenance cost is low. The sterilization effect is excellent. Plus, the flow rate of the air conditioning system remains high. | 06-25-2009 |
20090169438 | AIR CLEANING APPARATUS - The invention relates to an air cleaning apparatus, comprising a gas filtration section and a particle filtration section. The gas filtration section comprises a gas absorbing or adsorbing unit for trapping gaseous contaminants and a generator for generating reactive oxidizing species (ROS), suitable for oxidizing said gaseous contaminants. The particle filtration section comprises a precipitation unit, arranged to attract charged particles from passing air, and the (ROS) generator is arranged to charge said particles prior to their precipitation. Thus, the (ROS) generator fulfils a double function. | 07-02-2009 |
20090202397 | SYSTEM AND METHOD FOR DELIVERING AND CONDITIONING AIR TO REDUCE VOLATILE ORGANIC COMPOUNDS AND OZONE - Conditioning matrices for removing pollutants from air streams of electro-static and electromechanical devices are disclosed. The conditioning matrices can be coated with a reactive material that interacts with the airflow. The conditioning matrices can be positioned in the air stream and catalyze reactions of pollutants into nonpolluting compounds. | 08-13-2009 |
20090220388 | BREATHING AIR MAINTENANCE AND RECYCLE - The present invention provides for a single step design for carbon dioxide removal and fixation using a cell incorporating a carbon dioxide selective film tor active/passive transport while simultaneously producing oxygen. | 09-03-2009 |
20090238728 | PLASMA SCRUBBER - A plasma scrubber that forms a high temperature atmosphere in a reactor to effectively decompose and remove a non-biodegradable gas and reduce power consumption is disclosed. The plasma scrubber includes: a first reactor to which a non-biodegradable gas is supplied; an electrode installed in the first reactor and protruding in the flow direction of the non-biodegradable gas to generate plasma in the non-biodegradable gas supplied between the electrode and the first reactor by a discharge reaction in the first reactor; a second reactor connected to the first reactor to form continuous arc jets by anchoring the plasma to the electrode; and a third reactor connected to the second reactor to decompose the non-biodegradable gas by forming a reaction section of high temperature that contains electrons and chemical species of high reactivity in the second reactor and thereby increasing the stay time and reactivity of the non-biodegradable gas. | 09-24-2009 |
20100055002 | FIBER INCLUDING SILICA AND METAL OXIDE - Techniques for coating a fiber with metal oxide include forming silica in the fiber to fix the metal oxide to the fiber. The coated fiber can be used to facilitate photocatalysis. | 03-04-2010 |
20100086449 | APPARATUSES FOR PRODUCING A GAS CHARGED WITH A VOLATILE COMPOUND - The apparatus of the invention is essentially characterized by the fact that it includes a fluid-flow duct ( | 04-08-2010 |
20100129267 | AIR CLEANING DEVICE - An exemplary air cleaning device includes a roller, a photo-catalyst layer and a light source. The roller includes a base and a plurality of fins installed on the base. The roller is movable to cause an air to flow. The photo-catalyst layer is formed on the fins. The light source is disposed facing toward the roller for irradiating the photo-catalyst layer to cause a photocatalytic reaction thus cleaning the air flowing therethrough. | 05-27-2010 |
20100135863 | Air purifier - An air sterilizer that operates by electro-kinetic conversion of energy is provided. The sterilizer can have an electro-kinetic converter, rows of needles fastened along support plates, and neutralizing electrodes. The converter can have a rectangular frame with two armatures joined by electrically insulating transverse plates. The armatures can be provided on one of the margins with a row of rectangular notches, equally-spaced with a constant pitch. In the notches, the ion-generating electrodes can be introduced. On their opposed margin, the plates can be interleaved at the same pitch and with V-shaped openings where the neutralizing electrodes can be introduced. The electrodes can be affixed by insulating covers, in the shape of the letter U. Each cover can be elastically deformable. The power supply can derive from an impulse generator with sufficient voltage to form an intense electric field which can ionize surrounding air and create a plasma zone. | 06-03-2010 |
20100135864 | PHOTOCATALYTIC MATERIAL AND PHOTOCATALYTIC MEMBER AND PURIFICATION DEVICE USING THE PHOTOCATALYTIC MATERIAL - Provided are a photocatalytic material that improves a decomposition performance and a decomposition rate, as well as a photocatalytic member and a purification device in which the photocatalytic material is used. The photocatalytic member is a photocatalytic member ( | 06-03-2010 |
20100143205 | HIGH INTENSITY AIR PURIFIER - This document describes a high intensity air purifier (HAIP), a super oxidation purifier, and a controller for controlling operation of any of various purification systems. In some implementations, a HAIP includes an air purifier system coupled within a housing having an air inlet and an air outlet. The air purifier system includes a pre-filter coupled to the air inlet, an axial fan for receiving and forwarding air from the air inlet. The air purifier system further includes a UV reaction chamber having a UV-light source for providing UV light to the forwarded air from the air inlet and a reflective lining to reflect the provided UV light, to provide UV purified air from the UV reaction chamber. The air purifier system further includes a chemical catalyst cartridge for receiving the UV purified air from the UV reaction chamber, for further purifying the UV purified air, and a post filter coupled to the air outlet. | 06-10-2010 |
20100196214 | AIR PURIFYING LUMINAIRE - A luminaire system having a lamp compartment and sterilization compartment permitting both illumination and the sterilizing of airborne bacteria. The sterilization compartment has one or more germicidal lamps to sterilize airborne bacteria when air is circulated through the luminaire system. The lamp compartment has one or more lamps to illuminate the desired outside environment away from the system. | 08-05-2010 |
20100196215 | Apparatus and method for sanitizing air and spaces - An in-duct apparatus for sanitizing air includes a reaction unit, configured to be mounted in an air duct, for generating reactive oxygen species from oxygen in air received in the reaction unit to be sanitized. Airborne contaminants in the received air are substantially neutralized by the generated reactive oxygen species before the air is discharged from the reaction unit. | 08-05-2010 |
20100202932 | AIR MOVEMENT SYSTEM AND AIR CLEANING SYSTEM - An air movement and air cleaning system which includes an air movement system preferably including fan and fan housing to prevent thermal gradients in a building or room, in combination with an air cleaning surface of at least titanium dioxide, to react with moisture in the air and an ultraviolet light source in close proximity to the air cleaning surface, such that as humidity in the air passes through the air movement system over the titanium dioxide, the ultraviolet light creates hydroxyl radicals in the presence of the titanium oxide catalytic surface thereby purifying the air that passes therethrough. | 08-12-2010 |
20100221153 | AIR DECONTAMINATION DEVICE AND METHOD - An air decontamination device comprises an air stream generator ( | 09-02-2010 |
20100239466 | Surface Plasma Gas Processing - The invention relates to a gas processing unit adapted for generating a surface plasma in the vicinity of a photocatalyst, that has a planar configuration. The photocatalyst is deposited in the form of a thin layer on a dielectric substrate and at least one plasma supply electrode is formed above the photocatalyst thin layer. Such a configuration increases the interaction between the plasma and the photocatalyst. The unit can be used for a gas processing of the pollution-control, odour reduction or bactericidal treatment type with a high efficiency. | 09-23-2010 |
20100247389 | BIPOLAR IONIZATION TUBE - A bipolar ionization tube includes a cylindrical glass tube having an open end and closed end. A cathode is positioned within and is circumscribed by an interior surface wall of the glass tube. An anode circumscribes an exterior surface of the glass tube, where the anode is adapted for electrical connectivity with a first conducting terminal of a power supply. An electrically insulated end cap has a groove for receiving the open end of the glass tube, and the end cap is secured to the glass tube with at least one sealant. An elongated conducting terminal having a first portion extends through the end cap and is adapted for electrical connectivity with a second conducting terminal of the power supply. A second portion of the conducting terminal extends into the glass tube and is configured for electrical connectivity with the cathode. | 09-30-2010 |
20100260644 | SYSTEM FOR PURIFYING AIR THROUGH GERMICIDAL IRRADIATION AND METHOD OF MANUFACTURE - An air purifying system includes one or more air permeable photocatalytic elements defining a core cavity having a sealed top end and an open bottom end. A sealed air flow path ensures that air travels from an outside of the core cavity, through the one or more photocatalytic elements, into the core cavity, to be expelled through the open bottom end. A UV radiation source disposed within the core cavity irradiates air travelling along the sealed flow path and an interior of the one or more photocatalytic elements. Each photocatalytic element is manufactured using a substrate, that is conductive of and transparent to UV radiation, coated with a photocatalyst. A non-photocatalytically active material is initially coated on the substrate and is then converted to a photocatalyst by calcination. | 10-14-2010 |
20110002814 | FILTER MEDIA FOR ACTIVE FIELD POLARIZED MEDIA AIR CLEANER - Filter media for an active field polarized media air cleaner includes two layers of dielectric material with a higher resistance air permeable screen sandwiched between the lower resistivity electric layers. The filter media may further include a mixed fiber filter layer having fibers from different sides of the triboelectric scale. The filter media may further include a layer of relatively higher density dielectric material followed by a layer of relatively lower density dielectric material. | 01-06-2011 |
20110171075 | AIR CLEANING APPARATUS - An air cleaning apparatus includes an air flow duct, with an extent in an axial direction, to accommodate air flow entering the apparatus, an air-conveying fan unit disposed in the air flow duct, a precipitator connected to a high-voltage source and with a throughflow passage for air to be cleaned. The precipitator includes two electrode elements or two groups of electrode elements, each of the respective two being connected to a respective pole of the high-voltage source, and a unipolar corona electrode disposed close to one end of the air flow duct. A target electrode is disposed at radial spacing from the corona electrode, the corona electrode being so disposed that the ions generated at it can freely spread away from the corona electrode towards the target electrode, and that the target electrode surrounds the air flow entering the apparatus. | 07-14-2011 |
20110274588 | AIR PURIFICATION DEVICES - An air purification reactor is described that has a variety of improvements. In one aspect, the air purification reactor includes an ionizer (or plasma chamber), an electrostatic filter, a photocatalyst, and a UV light source that is distinct from the ionizer. The ionizer is arranged to introduce ions into a gaseous fluid stream passing through the air purification device. The electrostatic filter is located downstream of the ionizer and is arranged to electrostatically filter particles from the fluid stream. The UV light source is positioned to subject the photocatalyst to ultraviolet light and may be arranged upstream, downstream, or intermediate the electrostatic filter. With this arrangement, the ultraviolet light that impinges on the photocatalyst causes a photocatalytic oxidative reaction to occur at the photocatalyst that is capable of reducing volatile organic compounds carried in the fluid stream. In other (separate) aspects, the reactor includes an absorber or an oxidation catalyst. Generally, the various aspects of the invention may be used separately or in combination with one another. | 11-10-2011 |
20120003126 | High Intensity Air Purifier - This document describes a high intensity air purifier (HAIP), a super oxidation purifier, and a controller for controlling operation of any of various purification systems. In some implementations, a HAIP includes an air purifier system coupled within a housing having an air inlet and an air outlet. The air purifier system includes a pre-filter coupled to the air inlet, an axial fan for receiving and forwarding air from the air inlet. The air purifier system further includes a UV reaction chamber having a UV-light source for providing UV light to the forwarded air from the air inlet and a reflective lining to reflect the provided UV light, to provide UV purified air from the UV reaction chamber. The air purifier system further includes a chemical catalyst cartridge for receiving the UV purified air from the UV reaction chamber, for further purifying the UV purified air, and a post filter coupled to the air outlet. | 01-05-2012 |
20120063958 | MEDIA FOR PHOTOCATALYTIC FILTER - The invention relates to a filtering media having a photocatalytic action which has a thickness of at least 2 mm, which is homogeneous and which is devoid of orifice apparent to the naked eye, comprising a felt of inorganic fibers, the fibers of which are coated with a coating comprising a catalyst having a photocatalytic action, said felt exhibiting a weight per unit area of between 30 and 80 g/m | 03-15-2012 |
20120093691 | IMPROVED AIR DECONTAMINATION DEVICE AND METHOD - An apparatus for the decontamination of air, the apparatus comprising a housing ( | 04-19-2012 |
20120121470 | AIR PURIFICATION SYSTEM - An air purification system includes an internally hollow cylindrical casing made of a non-conducting material; an inner electrode arranged on an inner surface of the supporting member; an outer electrode arranged on an outer surface of the supporting member; a photocatalyst filter arranged on an outer surface of the outer electrode for purifying air inside a plasma generation zone; and a power source for supplying power of opposite polarities to each of the inner electrode and the outer electrode so as to generate plasma. The photocatalyst filter includes a filter element, and the filter element includes a porous titanium foil having a non-periodic spongy structure impregnated with anatase titanium dioxide particles as a photocatalyst. | 05-17-2012 |
20120128539 | AIR PURIFICATION SYSTEM FOR VEHICLES - An air purification device for a vehicle comprises an air inlet, an air outlet, and an air conduction volume between the air inlet and the air outlet. At least one reaction surface element is provided in the air conduction volume. At least one light source for ultraviolet light is arranged in the air conduction volume. A surface of the reaction surface element comprises a catalytic material, and the reaction surface element is arranged substantially in the entire air conduction volume or occupies at least 50% of the inner surface of the air purification device. | 05-24-2012 |
20120171079 | PHOTOCATALYST ELEMENT STRUCTURE, ULTRAVIOLET RADIATION AIR PURIFICATION SYSTEM, PHOTOCATALYST SHEET, AND METHOD OF MANUFACTURING PHOTOCATALYST SHEET - A photocatalyst element structure includes a photocatalyst element that includes a flat photocatalyst sheet and an undulating photocatalyst sheet overlapped on the flat photocatalyst sheet. The flat photocatalyst sheet and the undulating photocatalyst sheet include a porous titanium foil having a non-periodic spongy structure impregnated with anatase titanium dioxide particles. The photocatalyst element structure can include a plurality of the photocatalyst elements so that the flat photocatalyst sheet and the undulating photocatalyst sheet alternate. | 07-05-2012 |
20120183443 | AIR PURIFICATION DEVICE - Disclosed herein is a device for the removal of biological and chemical contaminants from an air current The apparatus comprises a) a housing that defines an interior chamber, the housing having an inlet and an outlet; b) one or more ultraviolet emitting light sources positioned within the interior chamber; and c) one or more baffles providing resistance to airflow, wherein air enters the chamber through the inlet, travels through the inner chamber, and exits via the outlet. In addition, the apparatus includes a photocatalyst. | 07-19-2012 |
20120183444 | Purified Hydrogen Peroxide Gas Microbial Control Methods and Devices - The present invention relates to methods and devices for providing microbial control and/or disinfection/remediation of an environment. The methods generally comprise: generating a Purified Hydrogen Peroxide Gas (PHPG) that is substantially free of, e.g., hydration, ozone, plasma species, and/or organic species; and directing the gas comprising primarily PHPG into the environment such that the PHPG acts to provide microbial control and/or disinfection/remediation in the environment, preferably both on surfaces and in the air. | 07-19-2012 |
20120275960 | HEALTHCARE CUM OPTIMAL ILLUMINATION DEVICE - This invention provides a healthcare cum optimal illumination device. The inventive device includes at least one frame, at least one light source, and at least one layer of treated filter cover. The light source is disposed in the frame. The light source emits infrared radiation, visible light radiation, and ultraviolet radiation. The visible radiation is used for illumination, and the invisible infrared and ultraviolet radiation is harnessed to improve indoor air quality. The layer of the filter cover is treated with substances of air cleaning properties and encloses the frame. The treated filter cover has at least one opening where air in the frame heated by the infrared radiation flows out from the device and cooler ambient air surrounding the device is drawn through the filter cover into the frame replacing the heated air that has flown out of the device to form air circulation and to perform air purification. | 11-01-2012 |
20120315194 | Surface Plasma Gas Processing - The invention relates to a gas processing unit adapted for generating a surface plasma in the vicinity of a photocatalyst, that has a planar configuration. The photocatalyst is deposited in the form of a thin layer on a dielectric substrate and at least one plasma supply electrode is formed above the photocatalyst thin layer. Such a configuration increases the interaction between the plasma and the photocatalyst. The unit can be used for a gas processing of the pollution-control, odour reduction or bactericidal treatment type with a high efficiency. | 12-13-2012 |
20130022506 | AIR PURIFICATION EQUIPMENT - The invention relates to an air cleaning device essentially comprising at least a vertical hollow structure having a first perforated side surface forming an inlet ( | 01-24-2013 |
20130028796 | PURIFICATION UNIT AND DEODORIDING DEVICE - A purification unit for purifying air by a photocatalytic reaction includes a first light source which emits light; a first reflection plate which reflects the light emitted from the first light source; and a plurality of purification plates which cause the photocatalytic reaction by irradiation of the light emitted from the first light source. In this arrangement, at least one of the purification plates is disposed between the first reflection plate and the first light source, and the light emitted from the first light source is transmitted through the purification plate disposed between the first reflection plate and the first light source, and then is reflected on the first reflection plate for irradiation onto the purification plates. | 01-31-2013 |
20130028797 | High Intensity Air Purifier - This document describes a high intensity air purifier, a super oxidation purifier, and a controller for controlling operation of any of various purification systems. The air purifier includes an air purifier system coupled within a housing having an air inlet and an air outlet. The air purifier system includes a pre-filter coupled to the air inlet, an axial fan for receiving and forwarding air from the air inlet. The air purifier further includes a UV reaction chamber having a UV-light source for providing UV light to the forwarded air from the air inlet and a reflective lining to reflect the provided UV light, to provide UV purified air from the UV reaction chamber. The air purifier further includes a chemical catalyst cartridge for receiving the UV purified air from the UV reaction chamber, for further purifying the UV purified air, and a post filter coupled to the air outlet. | 01-31-2013 |
20130034470 | LED ACTIVATED PHOTOCATALYST AIR FILTER - The present disclosure provides devices and methods for making a light emitting diode (LED) activated photocatalyst air filter. One or more embodiments include a filter material that includes a photocatalyst, and a frame that includes an array of a number of LEDs positioned on the frame to project a wavelength of light directed toward the filter material, wherein the array of LEDs is positioned a distance from the filter material. | 02-07-2013 |
20130052090 | PHOTO-CATALYTIC AIR PURIFIER SYSTEM WITH ILLUMINATED ANGLED SUBSTRATE - A photo-catalytic oxidizing (PCO) assembly including a PCO substrate including a first and second outer surface, and a plurality of air passages having a depth that extend between the first outer surface to the second outer surface at an angle that is not orthogonal to the first outer surface is described. A photo-catalyst is disposed on the substrate and stimulated using an ultra violet light source. An air cleaner using the PCO assembly is also described. | 02-28-2013 |
20130183201 | FILTER MEDIA FOR ACTIVE FIELD POLARIZED MEDIA AIR CLEANER - Filter media for an active field polarized media air cleaner includes two layers of dielectric material with a higher resistance air permeable screen sandwiched between the lower resistivity electric layers. The filter media may further include a mixed fiber filter layer having fibers from different sides of the triboelectric scale. The filter media may further include a layer of relatively higher density dielectric material followed by a layer of relatively lower density dielectric material. | 07-18-2013 |
20130189162 | PHOTOCATALYST UNIT - The present invention relates to a photocatalyst unit. More particularly, the photocatalyst unit includes a body made of a plate with openings at upper and lower sides thereof and having one or more pairs of opposing lamp fixing means provided therein; ultraviolet radiation lamps each coupled to the lamp fixing means; a photocatalyst member coupled to the body and having a surface coated with a photocatalyst, wherein the photocatalyst member includes a plurality of plates disposed orthogonally to the ultraviolet radiation lamps, wherein the plates are disposed parallel to a flow direction of air and spaced to each other in order to form gaps between adjacent plates; and photocatalyst filters each disposed on upper and lower sides of the photocatalyst member and mounted on the body to cover upper and lower sides of the body, wherein the photocatalyst filters are applied with a photocatalyst. | 07-25-2013 |
20130236365 | ADSORPTIVE PHOTO-CATALYTIC OXIDATION AIR PURIFICATION DEVICE - An air purification system formed from an adsorptive photo-catalytic oxidation device and a method of regenerating the oxidation device is disclosed. The air purification may be configured to be installed within an air duct of a central air handling system. The air purification system may also include an ultraviolet light emitted by the ultraviolet light source to breakdown captured volatile organic compounds into elemental carbon dioxide and water vapor and to irradiate air moving past the ultraviolet light and surfaces to reduce contaminants The ultraviolet light source may be positioned to expose the adsorptive photo-catalytic oxidation device to ultraviolet light emitted by the ultraviolet light source to breakdown captured volatile organic compounds into elemental carbon dioxide and water vapor and to irradiate air moving past the ultraviolet light to reduce contaminants. | 09-12-2013 |
20130323128 | ULTRAVIOLET PHOTOREACTOR FOR THE PURIFICATION OF FLUIDS - In order to disinfect and to detoxify a fluid, a photoreactor contains at least two light sources. One light source activates the catalytic function of a semiconductor material in the fluid to reduce the concentration of contaminants in the fluid, such as by breaking down organic contaminants into non-toxic compounds. A second light source acts directly on living biological entities to sterilize or kill them and thereby disinfect the fluid, and can also serve to activate a semiconductor photocatalyst that in turn causes further damage to biological contaminants. The semiconductor photocatalyst is desirably attached to an optically transmitting fiber substrate in the fluid. The second light source in one embodiment is external to the fluid and illuminates the photocatalyst through transmitting surfaces in a fluid containment vessel. The light sources can comprise respective sets of plural LEDs. | 12-05-2013 |
20140017135 | Systems and Methods for Disinfecting Air On Board A Passenger Transport Vehicle - Embodiments of the present invention relate generally to air sanitation and disinfection, and particularly to air sanitation and disinfection for aerospace applications. | 01-16-2014 |
20140079595 | EMBEDDED MULTIFUNCTIONAL AIR PURIFIER USED IN KITCHEN - An embedded multifunctional air purifier used in a kitchen is installed in a predetermined space of a cupboard and includes a casing, a front filter, an electrostatic dust collector, an air extraction module, a photocatalyst module and a vitamin C filter. An air inlet and an air outlet are formed on a front side of the casing; an air channel is formed in the casing; the front filter is installed at the air inlet; the electrostatic dust collector id installed at a front section of the air channel; the air extraction module and the photocatalyst module are installed at a rear section of the air channel; and the vitamin C filter is installed at the air outlet, so as to eliminate fume odor and germs in the kitchen and provides the function of producing vitamin C. | 03-20-2014 |
20140079596 | Fiberglass Dielectric Barrier Ionization Discharge Device - A bipolar ionization device in which fiberglass is used as the dielectric. In one embodiment, a fiberglass board is used, with the anode on one side of the board and the cathode on the other side of the board. A number of flat boards can be stacked, with spacing between them to allow air flow to scavenge ions, with stanchions providing both mounting and electrical connections to the ionization devices. In another embodiment, a fiberglass tube is used, with the cathode inside the tube and the anode outside the tube. | 03-20-2014 |
20140178254 | APPARATUS FOR AIR PURIFICATION AND DISINFECTION - An apparatus for air purification and disinfection is provided. The apparatus includes at least one elongated reactor having an elongated inner electrode and an elongated outer electrode. The outer electrode encompasses at least a portion of the inner electrode along a longitudinal axis of the reactor. The outer and inner electrodes are positioned in a substantially concentric relationship and define a reaction chamber therebetween. The apparatus also includes an inner electrode mounting member holding the inner electrode at an end of the inner electrode and an outer electrode mounting member holding the outer electrode at an end of the outer electrode. The apparatus further includes a power supply adapted to supplying electrical power to the inner and outer electrodes to generate plasma within the reaction chamber to purify and disinfect air flowing therethrough. | 06-26-2014 |
20140271374 | Anti-Microbial Air Processor for a Personal Patient Warming Apparatus - An anti-microbial air processor is configured and arranged to fit at least substantially across an airway in a personal patient-warming apparatus to thereby inactivate airborne microbes before those airborne microbes are exposed to a patient via warming air delivered by the personal patient-warming apparatus. By one approach, the anti-microbial air processor comprises an anti-microbial air filter. By another approach, in lieu of the foregoing or in combination therewith, the anti-microbial air processor comprises one or more ultraviolet light sources configured to expose at least one inner surface of the personal patient-warming apparatus to ultraviolet light to thereby inactivate microbes. | 09-18-2014 |
20140294679 | Air Purification Unit - The presently claimed invention provides a phtotocatalytic air purification unit, comprising a fin structure and an UV lamp. The fin structure comprises a plurality of fins coated with a layer of photocatalsyt, and said fin structure is able to increase the surface area for photocatalyst coating, ultimately increasing air pollutant removal efficiency with minimum air resistance. The air purification unit of the present invention is preferably installed in a HVAC system. | 10-02-2014 |
20140294680 | ATOMIZATION SEPARATING AND SILENCING APPARATUS AND METHOD - A modular, integrated, combination air purification and aroma diffuser includes a UV and catalytic oxidation germicidal cell and multiple filtrations as pre-treatment of air diffusing essential oils or other liquids as ultra-fine droplets entrained in airflow into enclosed, habitable spaces. Liquid microbicide, insecticide, fumigant, or aroma therapy is kept cleaner by eradication of microbes. Comparatively larger droplets are separated out and recycled to the reservoir after initial atomization. An electrical module, between a purifier and filters upstream and a diffuser downstream, includes a pump, a fan, and a controller for both. Staged, double-eduction, triple-separation processes include a micro-cyclone for quiet, well diffused flow of ultra-fine droplets. | 10-02-2014 |
20140294681 | NON-THERMAL PLASMA CELL - A non-thermal plasma cell having an annulus of a dielectric material, such as ceramic, formed from a continuous wall of material, the continuous wall having apertures therein, a pair of annular air-permeable electrodes mounted on opposing sides of the wall of the dielectric, and optionally an air gap provided between each electrode and the wall over at a least part of the circumference of the wall. The thickness of the dielectric material is substantially greater than the thickness of the electrodes, which may comprise metal foils. | 10-02-2014 |
20140314627 | HYDROXYL GENERATOR - Superior hydroxyls are provided which have effects on organic and inorganic compounds and/or pollutants over substantial periods of time and/or at substantial distances from where the superior hydroxyls are generated. Also provided is a hydroxyl generator, in which UV lamps are positioned such that the coronas which they produce when emitting UV radiation fill substantially all the interior space of the hydroxyl generator. The coronas overlap each other by a maximum amount of between | 10-23-2014 |
20140369894 | AIR FILTRATION MEDIA FOR AIR PURIFICATION - An air filtration media for use with a heating ventilation and air condition (HVAC) system is provided. The filtration media comprises an air filter media layer having a first and second side, a PCO media layer having a first and second side, and a barrier layer positioned between the second side of the air filter media layer and the first side of the PCO media layer. The air filter media layer, barrier layer, and PCO layer are pleated together and enclosed within a frame for placement adjacent a light source within a plenum of the HVAC system. | 12-18-2014 |
20150030506 | EMBEDDED MULTIFUNCTIONAL AIR PURIFIER USED IN KITCHEN - An embedded multifunctional air purifier for kitchen installed in a predetermined space of a cupboard includes a casing, a hood, an exhaust module, an electrostatic dust collector, a front filter, a gas detection module, a photocatalyst module and a vitamin C filter. With the design of the hood, the exhaust module is covered by the hood to reduce noises when the air purifier is used. Besides the removal of fumes and odors, filtration and disinfection, the air purifier can also produces fresh air with vitamin C, and alerts users to prevent a gas poisoning incident when a toxic gas leak occurs. | 01-29-2015 |
20150037217 | Air Conditioner Having Air Purifying Module - An air conditioner including a body having an evaporator for heat-exchanging air flowing in the body, and an air purifying module coupled to the body. The air purifying module may have a light emitting diode part disposed along a flow path of the air to provide ultraviolet rays, and a filter part disposed adjacent to the light emitting diode part. | 02-05-2015 |
20150044101 | Air Purifying Apparatus Having Shuntable Air Duct - An air purifying apparatus according to an embodiment includes a body having first and second conduits through which a flow of air is generated from an air inlet to an air outlet, an ultraviolet light emitting diode part and a first filter part disposed within the first conduit, and a second filter part disposed within the second conduit. | 02-12-2015 |
20150050189 | AIR PURIFICATION DEVICE FOR VEHICLE - The invention relates to an air purification device for a vehicle and has an object to provide a DOR (Direct Ozone Reduction) system that can improve durability of activated carbon as an ozone purifier. FIG. | 02-19-2015 |
20150050190 | MODULAR DUCTWORK DECONTAMINATION ASSEMBLY - A modular ductwork assembly decontaminates an air stream circulating within a heating, ventilation and air conditioning (HVAC) system. The assembly includes one or more of (a) an ionizing module for removing particulates from the air stream, (b) a sterilization module for neutralizing airborne pathogens present in the air stream, (c) an ozone treatment module for neutralizing pathogens or odoriferous or gaseous constituents or volatile organic compounds (VOCs) present in the air stream, optionally (d) baffles for slowing and disrupting the flow rate and promoting turbulence in the air stream traveling through the modules, optionally (e) a fan module for directing a treated air stream, optionally (f) an ozone sensor, optionally (g) a monitoring or ozone control means, and optionally (h) a means of delivering and repurposing generated ozone. Each of the modules is arranged substantially adjacent to at least one of the other modules. | 02-19-2015 |
20150064069 | AIR PURIFIER USING ULTRAVIOLET RAYS - An air purifier includes a case having an air inlet and an air outlet, a fan disposed adjacent the air inlet, a UV LED unit and a filter unit arranged over the fan along a flow path of air, and a fluid control structure disposed between the fan and the filter unit. | 03-05-2015 |
20150290352 | CORONA DISCHARGE DEVICE AND AIR-CONDITIONING APPARATUS - A corona discharge device includes a charging-section high-voltage electrode unit including a plurality of charging-section high-voltage electrodes, and a charging-section ground electrode unit includes a plurality of charging-section ground electrodes formed by flat plates. The plurality of charging-section high-voltage electrodes are arranged at intervals in a direction intersecting an airflow in an air path, and are connected to one another at at least one longitudinal end by a conductive frame portion. The plurality of charging-section ground electrodes are disposed between the charging-section high-voltage electrodes in an orientation such that flat surfaces thereof are substantially parallel to the airflow in the air path, and are connected at at least one longitudinal end by a conductive frame portion. The plurality of charging-section high-voltage electrodes and the plurality of charging-section ground electrodes are alternately stacked in the direction intersecting the airflow in the air path to be spaced apart from each other. | 10-15-2015 |
20150314033 | FIBERGLASS DIELECTRIC BARRIER IONIZATION DISCHARGE DEVICE - A bipolar ionization device in which fiberglass is used as the dielectric. In one embodiment, a fiberglass board is used, with the anode on one side of the board and the cathode on the other side of the board. A number of flat boards can be stacked, with spacing between them to allow air flow to scavenge ions, with stanchions providing both mounting and electrical connections to the ionization devices. In another embodiment, a fiberglass tube is used, with the cathode inside the tube and the anode outside the tube. | 11-05-2015 |
20150343110 | PORTABLE AIR TREATMENT DEMONSTRATOR - An air particle demonstration housing is used determine and compare air quality to ultraviolet (UV) treated air. The housing may utilize UV germicidal lamps in order to demonstrate the improvement that the UV lamp has on the air quality. First, the air quality within the building may be detected using a particle counter. Then air may be vacuumed into the box and treated with the UV lamps. The treated air from the box may be detected using a particle counter and compared with the untreated air quality. | 12-03-2015 |
20150359922 | AIR PURIFYING APPARATUS USING ULTRA VIOLET LIGHT EMITTING DIODE - The present invention relates to an air cleaning apparatus comprising a UVLED, which can efficiently clean air flowing in tubes by an effective combination of the UVLED and a photocatalyst and can effectively clean air flowing in a duct by enhancing the cleaning function or increasing the number of cleaning steps when the concentration of harmful substances increases. The air cleaning apparatus includes: a case comprising an inlet configured to introduce air, an outlet configured to discharge air, and a duct disposed between the air inlet and the air outlet; a photocatalyst unit disposed in the duct; and a UVLED module disposed in the duct and including a plurality of first UVLEDs arranged to irradiate UV light from the side of the inlet to the side of the outlet. | 12-17-2015 |
20160000960 | DEVICE FOR AIR FILTRATION AND PURIFICATION - Device for air filtration and purification comprising an enclosure for the flow of the air, said enclosure comprising an air inlet opening and an air outlet opening; one or more inner plates arranged inside said enclosure at an inclined angle in respect of the air flow direction, between said air inlet and outlet, and arranged such that the air flows along such inclined inner plate or plates; one or more UV light emitters arranged inside said enclosure to emit UV light over said inner plates and over said air flow; wherein said inner plates are photo-catalytic and are electrostatic precipitators. An embodiment comprises one or more pairs of said inner plates, wherein each pair of inner plates is placed side-by-side transversally to the airflow and in a cross-shape arrangement with the two plates being arranged inclined at 45° from the bottom surface of the enclosure. | 01-07-2016 |
20160015848 | STERILIZATION AND DEODORIZATION APPARATUS - A sterilization and deodorization apparatus is provided. The sterilization and deodorization apparatus may include a frame that defines an outer appearance of the sterilization and deodorization apparatus, a plasma unit or device disposed on or at one or a first side of the frame, the plasma unit forming a plasma region to generate a plurality of ions, and a filter unit or filter disposed on the other or a second side of the frame which is spaced apart from the frame. The filter unit may include a filter frame having a plurality of through-holes so that air passes therethrough, and a photocatalyst applied to the filter frame to perform photocatalytic reaction. | 01-21-2016 |
20160038624 | UV STERILIZATION APPARATUS, SYSTEM, AND METHOD FOR FORCED-AIR PATIENT HEATING SYSTEMS - An improvement to UV sterilization and disinfection devices and methods is disclosed. An apparatus for sterilization and disinfection includes: a compact, highly effective air sterilization and disinfection apparatus, which delivers clean, pure air directly into a blower/warmer device for clean and effective management of patient body temperature. | 02-11-2016 |
20160051719 | AIR CLEANING DEVICE, AIR CLEANING METHOD USING THE AIR CLEANING DEVICE, AND AIR CLEANING SYSTEM - To provide an illuminating device-cum-air cleaning device that solves a heat problem and allows efficient operation of an air cleaning means. | 02-25-2016 |
20160089660 | PHOTOCATALYTIC FILTER FOR DEGRADING MIXED GAS AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a photocatalytic filter, the surface of which has enhanced adsorption performance so that mixed gases including a gas that reacts later in a competitive reaction can be degraded from the initial stage of a photocatalytic reaction, and to a manufacturing method thereof. The method includes: dispersing carbon dioxide (TiO | 03-31-2016 |
20160118787 | ION AIR PURIFIER AND DISCHARGE MONITORING AND PROTECTIVE CIRCUIT OF HIGH-VOLTAGE ION PURIFIER - An ionic wind purifier is described. The ionic wind purifier includes a generating electrode and a collecting electrode, which are arranged oppositely. A potential difference exists between the generating electrode and the collecting electrode, and at least one first projecting part is arranged on each collecting electrode plate of the collecting electrode. The first projecting part has a smooth surface. Thus, by arranging the first projecting part, the adsorption area of the collecting electrode is increased and the absorption capability of the collecting electrode is improved, thereby improving the purification efficiency of the ionic wind purifier and improving the use performance thereof. A discharge monitoring and protective circuit of a high-voltage ion purifier is also described. | 04-28-2016 |
20160136315 | EQUIPMENT FOR SANITIZING THE AIR CONDITIONING SYSTEM OF VEHICLES BY MEANS OF RADIANT CATALYTIC IONIZATION - An object of this certificate of addition includes the compaction of the equipment into two modules ( | 05-19-2016 |
20160166724 | SYSTEM FOR PURIFYING AIR HAVING A CATALYST FILTER | 06-16-2016 |
20160166987 | Photocatalytic Oxidation Media and System | 06-16-2016 |
20170232132 | Flexible Electrode Assembly For Plasma Generation And Air Treatment System Including The Flexible Electrode Assembly | 08-17-2017 |
20220133941 | FAN ASSEMBLY WITH ULTRAVIOLET DISINFECTION - A fan assembly includes an electric motor; a rotor driven by the electric motor to rotate about an axis of rotation, and a plurality of blades, for example airfoil shaped blades, attached to the rotor. At least one blade includes a lighting assembly having an ultraviolet light source mounted inside an internal cavity proximal to an end of a blade body of the at least one blade such that the outer shape of the blade is generally unchanged by the lighting assembly. | 05-05-2022 |