Abstract: A combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. The system includes a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The invention includes an airflow surface to direct air existing the fan cavity along an LED light fixture.

Abstract: The present application discloses a ceiling-mount air disinfector, i.e., an air disinfection troffer, including: a housing; a first air outlet and a first air inlet respectively near two opposing ends of a side of the housing; a filter covering the first air inlet; a cross flow fan located near the first air outlet, and an air disinfection apparatus disposed in the housing including an ultraviolet disinfection mechanism and an air rectifying chamber, said air rectifying chamber including a plurality of air ducts configured in parallel. In operation, ultraviolet light and air flow are introduced into the air ducts, traveling toward each other along a long side of the air ducts so that maximized air-light interaction time is achieved for the best disinfection efficacy.

Abstract: A decomposition alarm device has an enclosure having a conventional smoke detector shape, a first side of the enclosure having a mounting tab to mount the enclosure on a vertical surface, and a front face of the enclosure having a sound grille to allow sound from inside the enclosure to exit the enclosure. The device is calibrated to detect the presence of a decomposing body and emit an audible and visual alarm. This device prevents the remains of a decomposing body going unnoticed by other inhabitants in a household or building.

Abstract: One disclosed system includes: (a) a fan directing an initial air stream to a heater with sufficient heating capacity to heat said initial airstream to a temperature of 200° C. to 350° C. and output a heated air stream; and (b) an air to air heat exchanger positioned and configured to use said heated air stream to preheat said initial airstream prior to its arrival at said heater. Additional systems and corresponding methods are disclosed.

Abstract: The present invention relates to an air treatment method and a system (1a-1f) arranged for treating an air flow (3) to be entered into a semiconductor clean room. Said air flow (3) comprises at least one vapour phase compound, and wherein the air flow (3) is subjected to at least one first treatment process arranged for reducing the concentration of the at least one vapour phase compound in the treated air flow below a predefined threshold, and wherein said first treatment process comprises subjecting the air flow to at least one photooxidation step.

Abstract: A breathing air compressor having an inlet air ultraviolet C light radiation emitter and viral and bacterial filtration system for air introduced into the air compressor. The viral and bacterial filtration system includes a cylindrical housing that includes a UVC radiation emitter mounted in a flow-through UVC radiation chamber, an inlet air particulate filter, and a flowmeter for measuring the volume and rate of flow of air to destroy viruses and bacteria present in any air flowing through the UVC chamber that is input air to an air compressor. The air compressor is typically used for generating breathing air for persons such as firemen and SCUBA divers. A controller and monitor unit is connected to the UVC radiation emitter and the flowmeter to shut down the air compressor to prevent air starvation.

Abstract: An air treatment system includes a lower cowling configured to be suspended from a ceiling, the lower cowling defining an interior lower cowling surface and configured to be disposable radially outward from and around a fan configured to induce airflow. Further, the air treatment system includes an upper cowling configured to be disposed vertically above the lower cowling and define an interior upper cowling surface. A gap between the interior upper cowling surface and the interior lower cowling surface forms a fluid passageway comprising an intake opening, an exhaust opening, and a chamber. The fluid passageway is contoured to receive airflow from the fan via the intake opening and direct the airflow through the chamber to exit the exhaust opening. Moreover, the air treatment system includes at least one air treatment device secured within the chamber, the air treatment device configured to treat air passing through the chamber.

Abstract: Systems and methods for treating large quantities of potatoes, other tubers, vegetables, produce, and/or other crops are disclosed herein. In one embodiment, a crop storage facility configured in accordance with the present technology includes a treatment system configured to distribute a treatment agent configured to inhibit spoilage of the crops. The treatment system can include a combination of two or more chemical compositions configured to release different concentrations of the treatment agent to produce a desired level of the treatment agent in the storage facility.

Abstract: The present invention relates to an air purifier comprising a housing with an air inlet and an air outlet. A filter module, a power supply module, a drive module and a processing module are sequentially arranged in the housing along an airflow direction. The drive module gives a drive force to the air, so that the air enters into the housing from the air inlet, then in turn flows through the filter module, the power supply module, the drive and processing modules. The filter module filters out large particle pollutants in the air such as dust. The power supply module is used to supply power to the drive module and the processing module. The processing module is used to remove bacteria and organic pollutants in the air. Therefore, the degree of air purification can be improved, so that the air is purified to the ideal state as much as possible.

Abstract: A method of controlling vapor emissions using a liquid vapor trap containing an effective amount of a barrier fluid that will greatly reduce the volume of noxious and/or other gases emitted from a containment (natural or man-made) into the atmosphere. Examples of containment include, but are not limited to septic, fossil fuels and landfills.

Abstract: A combination axial fan and LED lighting system. The system includes a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The invention includes an airflow surface to direct air existing the fan cavity along an LED light fixture. The invention includes a vented mechanical equipment casing configured to include an opening to direct a portion of the air exiting the fan cavity into an equipment chamber housing the mechanical equipment and configured to direct the air to encounter the mechanical equipment and operate to reduce the temperature of the equipment.

Abstract: A portable ultraviolet sanitization device is disclosed that includes a gripping portion, an ultraviolet electromagnetic radiation emitter portion, and a power source. The ultraviolet electromagnetic radiation emitter portion is disposed at a distal end of the gripping portion. The ultraviolet electromagnetic radiation emitter portion includes one or more ultraviolet light sources, such as light emitting diodes or excimer lamps. The power source is in electrical connection with the one or more ultraviolet light sources. The sanitization device is used to sanitize surfaces by eliminating viruses and other microorganisms. The sanitization device is particularly well-equipped to sanitize surfaces that are used intermittently, such as airplane cabins, restaurant seating areas, or similarly occupied spaces.

Abstract: A vehicle sanitizer system includes a sanitizer emitter member, selectively moveable between a stowed position in a compartment of a vehicle cabin and a deployed position out of the compartment; a sensor module to detect an interior of a vehicle cabin as sensor data; and a vehicle sanitizer module, that includes one or more processors to execute a set of instructions that cause the vehicle sanitizer module to: conduct, in response to the detection, an analysis of the sensor data; identify, in response to the analysis, one or more target interior surfaces in the vehicle cabin to be sanitized; and cause, via the sanitizer emitter member and in response to the identification, generation of water vapor content into the vehicle cabin, one or more sanitizer streams directed at the identified one or more target interior surfaces.

Abstract: A filter and a filter system including the filter. The filter includes a porous filter frame having a first upstream-side surface, and a second downstream-side surface based on a thickness direction, the porous filter frame filtering particulate matter. A copper material layer is disposed on at least a portion of the first upstream-side surface of the filter frame.

Abstract: 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.

Abstract: The present disclosure relates to methods and devices to improve respiratory system health, increase resistance to infection, and increase the hypothiocyanate ion in mammalian lungs. The methods generally comprise: generating a Hydrogen Peroxide Gas that is non-hydrated and free of ozone, and directing the gas comprising primarily Hydrogen Peroxide Gas into an environment and exposing a subject to the environment such that the Hydrogen Peroxide Gas acts to the increase of the hypothiocyanate ion in mammalian lungs.

Abstract: The present invention relates to a photocatalyst device obtained by thin film making on solid surfaces, wherein the device comprises of titania, optionally in the form of composite with noble or transition metal(s) or metal oxides. This device (FIG. 1) is evaluated in direct sunlight for hydrogen generation (FIG. 4) and oxidation of alcohols (Table 3) using aqueous alcohol solution through water splitting and simultaneously oxidizing alcohol to oxygenated products.

Abstract: There are provided methods, devices and systems for disinfecting one or more objects or surfaces in a scene comprising: a sensing subsystem, comprising at least one sensor configured and enabled to identify at least one user approaching the one or more objects or surfaces or the scene; at least one device for measuring a distance of said at least one user or said one or more objects and at least one timer for measuring the time said at least user or said one or more objects are in the scene; a treatment subsystem, comprising: one or more containers comprising cleaning or disinfecting agents or materials; at least one pump and one or more spraying devices and a processing subsystem comprising at least one processor, configured to activate the one or more spraying devices before or after the identified one or more users touch the one or more objects or surfaces or approach or leave the scene.

Abstract: This disclosure relates to a device for disinfecting equipment, such as CPAP components, and a method of using the same. A device for disinfecting equipment according to an exemplary aspect of the present disclosure includes, among other things, a chamber, an ultraviolet (UV) light configured to emit UV light within the chamber, an ozone generator configured to generate ozone within the chamber. The device further includes a control unit configured to activate the UV light and the ozone generator during different periods of time.

Abstract: Two Silicon Carbide negative positive negative transistors realized on a monolithic substrate as a differential pair to keep their base-emitter junctions at nearly the same temperature such that their kT/q sensitivities tract together with their base connections electrically connected to the cold junction terminals of a thermocouple to create an amplified differential voltage across output load resistors while operating at high temperature.

Abstract: A polarized LED filter. The polarized LED filter comprises one or more components which are designed to attract and conglomerate particulates, allowing sub-micron sized contaminants to be easily captured. The polarizing effect delivers high-efficiency filtration with low static pressure. The combination of LED disinfecting arrays and anti-microbial coatings offer surface disinfection which reduces microbial growth, biological blow-off, airborne odors and VOCs while allowing for safer handling and servicing of the HVAC system and filter.

Abstract: Ceiling fan having an electric lamp which has continuous color temperature control. A ceiling fan includes an electric motor which rotates blades; and an electric lamp, which is an integrated component of the ceiling fan and is co-located beneath the blades. The motor and the lamp receive electric power from a mains electric socket via a single electric power cord that provides Alternating Current. The lamp is configured to emit visible light having light warmth at a user-configurable level along a continuous spectrum of light warmth, between a lower-bound value and an upper-bound value. The electric lamp includes a first set of LEDs and a second set of LEDs. The first set of LEDs is capable of emitting visible light at a first, fixed, light warmth value, which is the lower-bound value of that continuous spectrum of light warmth levels.

Abstract: This application describes systems and methods for locating, securing, accessing and utilizing a discrete enclosure or workspace. The discrete enclosure or workspace may be located in a public, private or semi-private setting and may comprise a combination of working platforms or surfaces, seats, desks and other apparatus, as well as computer hardware and software. Systems may comprise natural language processing, artificial intelligence, machine learning and other adaptive learning capabilities to enhance the use of the discrete workspace. The workspace may be dimensioned to be used for a wide variety of activities by one or more users.

Abstract: An air treatment apparatus, system and method for removal of health threatening airborne pollutants from an airflow is provided. The air treatment apparatus includes a ducting section having an inactivation zone created by either a plasma-generating flexible electrode alone, a UV light source alone, or a combination of a plasma-generating flexible electrode and a UV light source disposed within the interior of the ducting section, wherein the airflow and airborne pollutants are urged into the inactivation zone ensuring multiple exposures of airborne pollutant material into the inactivation zone resulting in purified air exiting from the apparatus.

Abstract: This disclosure relates to a method for sanitizing a space. The method includes applying a composition containing triethylene glycol into a space containing a pathogen (e.g., a Staphylococcus, a Pseudomonas, a Listeria, Salmonella, Klebsiella, a Mycobacterium, a mold, or a spore) in an amount effective to inactivate the pathogen.

Abstract: An air treatment unit has: a frame; a source of UV light; and an air moving assembly that causes air within a space to be directed into a volume that has UV light rays therein from the source of UV light. The air treatment unit has a primary treatment volume. The frame has an air guidance assembly that extends substantially fully around an axis extending through the primary treatment volume and defines at least one elongate opening through which disinfected air is communicated from the primary treatment volume in a pattern substantially fully around the axis to outside of the frame and the air treatment unit in a radial direction within a region of the space outside of the primary treatment volume.

Abstract: This disclosure relates to a method for sanitizing a space. The method includes applying a composition containing triethylene glycol into a space containing a pathogen (e.g., a Staphylococcus, a Pseudomonas, a Listeria, Salmonella, Klebsiella, a Mycobacterium, a mold, or a spore) in an amount effective to inactivate the pathogen.

Abstract: Techniques are provided for implementing automated contagion detection and remediation (ACDR) features to detect and remediate environmental contagion conditions. For example, ACDR techniques can be used to target contagion contamination on surfaces in a trafficked area, rather than focusing detecting and remediating human symptoms. ACDR systems can include swarms of specially configured drones under control of one or more centralized controllers to detect presence of one or more types of pathogens on surfaces and to classify detected contagion events. In some embodiments, upon such detection, the same or other specially configured drones can be triggered to remediate the detected condition by removing the pathogen by disinfecting surfaces, by cordoning off infected areas, and/or in other ways. Some embodiments can further log and aggregate data relating to detected contagion events to support tracking, remediation, enforcement, protocol updating, research, and/or other efforts.

Abstract: Disclosed is a system for conditioning air, the system comprising: a heat exchanger comprising a plurality of heat transfer tubes extending between an accumulation header and an outlet header, an internal volume, and an external surface, wherein an air mover is disposed in fluid communication with an air mover in fluid communication with an air inlet and an air outlet, wherein the air mover is configured to urge a flow of air to be conditioned across the external surface of the heat exchanger, a reactor comprising an adsorbent material, a reactor inlet in fluid communication with the outlet header, and a reactor outlet, a vacuum pump comprising a vacuum pump inlet in fluid communication with the reactor outlet and a vacuum pump outlet in fluid communication with a system exhaust.

Abstract: In certain exemplary embodiments, an air purifier comprises a housing defining an enclosure and having an air entrance and an air exit; a particulate filter; a NCCO filter material configured to adsorb and decompose at least one gaseous pollutant; an AOG configured to generate at least one oxidant; an oxidant remover configured to remove at least one oxidant; a fan unit configured to generate airflow from the air entrance to the air exit; wherein the particulate filter, the NCCO filter material, the AOG, the oxidant remover and the fan unit are positioned within the enclosure such that during operation, a flow of air passes from the air entrance to the air exit through the particulate filter and the NCCO filter material along a direction of the flow of air. In certain embodiments, the air purifier may ensure safety to users while efficiency in removing contaminants can be greatly improved.

Abstract: The disclosure herein concerns a method including receiving at a computer at least one target value of a scent parameter for an environment that is remote from the computer, receiving at the computer a sensed parameter of the environment, and controlling, via the computer, diffusion of a liquid from a source of the liquid in fluid communication with at least one scent diffusion device to achieve the target value of the scent parameter, wherein controlling includes setting or adjusting an operation parameter of the at least one scent diffusion device in response to the sensed parameter.

Abstract: An ionized air delivery system, such as a vehicle ionized air delivery system, includes an outlet body that is situated within a duct of a heating, ventilation, and air conditioning (HVAC) system. The outlet body delivers ions to air flow in the duct of the HVAC system. The outlet body has an outer surface that is generally spherical at a region of the outer surface that confronts the air flow in the duct. Further, the outlet body has an outlet passage with a primary axis that is directed away from an exit of the duct of the HVAC system. Air flow in the duct passes across an exit opening of the outlet body and draws ions out of the outlet passage to mix with the air flow in the duct of the HVAC system.

Abstract: The invention relates to a method for stabilizing halogen-free thermoplastic recyclates or pre-damaged plastics against oxidative, thermal, and/or actinic degradation. In the method according to the invention, at least one alditol or cyclitol is introduced into a halogen-free thermoplastic recyclate as a component, and optionally in addition thereto, at least one primary antioxidant and/or at least one secondary antioxidant is introduced into a halogen-free thermoplastic recyclate. By virtue of the method according to the invention, plastic recyclates can be stabilized against oxidative, thermal, and/or actinic degradation with a high degree of effectiveness and in a very environmentally friendly and inexpensive manner.

Abstract: A gas treatment device that treats a gas to be treated, including oxygen, introduced at a gas inlet and that exhausts a treated gas at a gas outlet, the gas treatment device includes: a gas channel that communicates the gas inlet with the gas outlet; a blower that allows the gas to be treated to flow from the gas inlet to the gas outlet; an ultraviolet light source that is disposed in the gas channel and radiates ultraviolet light having a wavelength of 230 nm or less; a filter that is disposed at a side at which the gas outlet is located from the ultraviolet light source in the gas channel, and that adsorbs at least ozone; and a control unit that controls the blower to operate, wherein the control unit controls the blower to start a blowing operation after the ultraviolet light source starts radiating the ultraviolet light.

Abstract: Embodiments generally relate to a method for purifying air of an interior space by oxidizing a plurality of pollutant compounds suspended in the air. The method comprises exposing the air of the interior space to a photocatalytic layer, wherein the photocatalytic layer is disposed onto an at least one surface of a porous substrate material located in the interior space, wherein the photocatalytic layer comprises a plurality of photocatalyst particles, and activating the photocatalytic layer with a light source, wherein the activated photocatalytic particles promote a reaction between the pollutant compounds and the air.

Abstract: This publication discloses a filter unit connectable to a mobile communication device including a fan for generating an air flow inside the filter unit, electrodes covered with a photo catalytic material like TiO2 in the air flow, UV-LEDs illuminating the electrodes, and outlet for the air flow directed in direction of user of filter unit.

Abstract: The device for producing and treating a gas stream (F) includes an exchange enclosure (2) having at least a first discharge opening (2b) for a gas stream, means (3; 4) for supplying the enclosure with a liquid (L), means (3; 5) for discharging the liquid (L) contained in the exchange enclosure (2) and aeraulic means (6), which make it possible, during operation, to create, by means of suction or blowing, an incoming gas stream (F) coming from outside the exchange enclosure (2), so that said incoming gas stream (F) is introduced into the volume of liquid (V) contained in the exchange enclosure (2), and an outgoing gas stream (F?), treated by direct contact with said volume of liquid, rises inside the exchange enclosure and is discharged out of the exchange enclosure (2) through the discharge opening (2b).

Abstract: Technologies for sanitizing medical devices are described. In particular, sanitizing systems, components of sanitizing systems, and methods for sanitizing medical devices such as continuous positive airway pressure (CPAP) equipment are described. In embodiments, the sanitizing systems include a sanitizing gas generator and a base including at least one exhaust port and a filter.

Abstract: A combination face mask and air filter includes a face mask; an air filter including a centrifugal fan, a circuit board, a filter element, a power supply, a housing for enclosing the centrifugal fan, the circuit board, the filter element, and the power supply, a cover releasably secured to the housing, and a UV lamp; a tube having a first end attached to the face mask; and a strap having two ends attached to the housing. The centrifugal fan includes an inlet and an outlet. The UV lamp is disposed at the outlet of the centrifugal fan. A second end of the tube passes through the housing to communicate with the outlet of the centrifugal fan.

Abstract: Disclosed is a method for producing a photocatalyst for air cleaning. The present production method comprises the steps of: preparing titanium dioxide (TiO2); attaching platinum to a surface of the titanium dioxide; and attaching fluoro to the platinum-attached surface of the titanium dioxide to obtain surface-modified titanium dioxide.

Abstract: To provide an aldehyde scavenger and a method for removing aldehydes by using the same, for quickly and continuously capturing aldehydes. An aldehyde scavenger comprising at least one O-substituted hydroxylamine or at least one chemically acceptable salt thereof, is used against an aldehyde generation source.

Abstract: The aspects presented herein provide fragrance compositions having an olfacive profile that changes with time, wherein the fragrance compositions comprise at least two contrasting perfume accords that provide an olfactory modulating effect, wherein the perfume formulation delivers a desirable scent with increased perceived intensity and improved longevity of perception.

Abstract: One or more air baffles are provided for an apparatus that sterilizes air in a room using UVC radiation. At least one baffle within an air sterilization enclosure is arranged so the baffle is proximal to the at least one UVC light source. The baffle is designed and positioned to create air turbulence within the enclosure to increase the dwell time of a given volume of the air in the enclosure, and to reduce the effective distance of a given volume of air to the UVC light sources. Thus, airflow is hindered by the baffle in its passage through the enclosure in order to increase the UVC exposure to that volume of air.

Abstract: The following disclosure relates to a home plasma sterilizer that sterilizes household items in a home by using plasma. According to an embodiment, there is provided a home plasma sterilizer including: a plurality of plasma electrode modules configured to generate plasma in order to sterilize a sterilization target object inside a sterilization chamber; a harmful gas removal unit configured to communicate with the sterilization chamber, and provided with a catalytic filter that is intended to remove harmful gas inside the sterilization chamber; a power supply unit configured to supply power to the plasma electrode modules; and a control unit configured to control the supply of power by the power supply unit; wherein the control unit performs control so that the plurality of plasma electrode modules is sequentially supplied with power at predetermined cycles but the supply of power is continuous as a whole.

Abstract: Embodiments generally relate to a cartridge and a system for scent dispensing and a vehicle comprising a scent dispensing system. In particular, embodiments relate to a concept for a scent dispensing cartridge. A replaceable cartridge for a scent dispensing system comprises one or more chambers for storing scent media, a chamber having an air inlet and an air outlet that allows air to flow through the chamber; and one or more valves to prevent air from flowing through the one or more chambers.

Abstract: An electrostatic charging air cleaning device having first and second pre-chargers. The first pre-charger is configured to generate a first corona discharge to electrostatically charge PM in the incoming air stream with a first charge to form a first exiting air stream exiting the first pre-charger. The second pre-charger is configured to generate a second corona discharge to electrostatically charge PM in the incoming air stream with a second charge to form a second exiting air stream exiting the second pre-charger. The device also includes a separator having apertures such that PM in the second exiting air stream passes through the separator to agglomerate with PM in the first exiting air stream to form agglomerated particles. The apertures are sized such that the agglomerated particles are larger than the apertures to preclude the agglomerated particles from reentering the second exiting air stream.

Abstract: A gas delivery system (50) for delivering a flow of breathing gas to a patient (54) includes a blower assembly (100) structured to generate the flow of breathing gas. The blower assembly includes a gas flow path including an inlet manifold, an assembly (130) structured to adjust a pressure and/or flow rate of the flow of breathing gas, and an outlet manifold structured to be coupled to a patient circuit. The gas delivery system additionally includes a light system structured to generate sanitizing light and deliver the sanitizing light to one or more internal surfaces of at least one of the inlet manifold, the assembly and the outlet manifold for sanitizing the one or more internal surfaces.

Abstract: A portable communication device includes an apparatus for environmental sensing. The apparatus includes a housing, one or more environmental sensors and an optical source. The housing includes one or more ports for allowing air flow between the surrounding environment and a cavity of the housing. The environmental sensors are coupled to the housing and can sense an environmental agent included in the air flow. The optical source can illuminate the cavity of the housing to decompose unwanted organic compounds inside the port.

Abstract: The disclosure herein concerns a method including receiving at a computer at least one target value of a scent parameter for an environment that is remote from the computer, receiving at the computer a sensed parameter of the environment, and controlling, via the computer, diffusion of a liquid from a source of the liquid in fluid communication with at least one scent diffusion device to achieve the target value of the scent parameter, wherein controlling includes setting or adjusting an operation parameter of the at least one scent diffusion device in response to the sensed parameter.

Abstract: A scented furnace filter that allows to evaporate scented liquid to create scent at supply registers. The scented furnace filter having a filter frame installed in a furnace coupled with a filter material. The filter frame having a permeable filter frame top section. A scented liquid bar containing a scented liquid and having a permeable scented liquid bar base is coupled to an activation tab. The scented liquid bar is coupled to the permeable filter frame top section. When the activation tab is moved, either partially or completely, the scented liquid permeates through the permeable scented liquid bar base and the permeable filter frame top section to soak the filter material such that air generated by the furnace going through the filter material evaporates the scented liquid to generate scented air to be distributed in a duct system to one or more supply register.