Disclosed is an internal circulation type lampblack purifier. The internal circulation type lampblack purifier comprises a shell, an air inlet, an air outlet, an air inlet channel, an air outlet channel, a fan device, a mechanical grease separator, a gas purification device and a cooling device, wherein the air inlet and the air outlet are arranged on the shell; the mechanical grease separator is arranged at the air inlet or in the air inlet channel; and the cooling device is arranged at the air outlet and comprises a water supply pipe, water spray guide plates, a water mist baffle plate, a spray pipe and a water receiving tank, the spray pipe communicates with the water supply pipe, spray nozzles are arranged on the spray pipe and face the water spray guide plates, the water receiving tank is located below the water spray guide plates, and the water mist baffle plate is provided with blades at certain gaps. According to the internal circulation type lampblack purifier, the cooling device is arranged, so that the temperature of discharged gas is effectively reduced, high-temperature water vapor in the discharged gas is eliminated, and the influence of the high-temperature water vapor on the indoor environment is prevented.

In one embodiment, a system for reducing pathogenic bioburden in an environment comprises a light emitting device comprising one or more light sources emitting UV-C light, two or more sensors generating environmental data, and a processor communicatively coupled to the two or more sensors and the light emitting device, the processor performing an analysis on the environmental data from each sensor of the two or more sensors and adjusting the light flux emitted from the light emitting device based at least in part on the environmental data from the two or more sensors. The light flux emitted from the light emitting device may be adjusted based at least on temperature, humidity, and occupancy of the environment sensed by the two or more sensors.

A versatile air purification system is disclosed herein. The invention harnesses reflective light trapping components capable of circulating high-intensity visible and infrared radiation. Passing air absorbs a part of the energy in aerosols as viruses and bacteria. Excessive energy consequently induces denaturation of biomacromolecules and can trigger chemical and physical disinfection mechanisms to airborne pathogens. This technology is also compatible with various HVAC systems, like those of medical facilities, buildings, and vehicles, and can be utilized for other fluids too. The system can further be applied as a distinct, portable air purification apparatus.

A portable disinfecting apparatus with effective disinfection properties against pathogens, such as bacteria, fungi, and viruses is disclosed. Embodiments of the portable disinfecting apparatus include a portable sterilization box having at least one path configured to receive drawn air and to irradiate the drawn air with UV radiation along the path to produce disinfected air. The path may be provided using baffles that are configured, for example, in a serpentine or spiral configuration to provide a non-linear flow path for the air. The UV light sources, such as UV LEDs may be mounted on the baffles. Embodiments of the apparatus include an intake tube connected to the sterilization box for drawing air into the sterilization box from a point high within the room that is to be disinfected. The disinfected air is released from the sterilization box a point lower in the room. As the air is slightly heated during the disinfection process, drawing in air from high in the room and releasing the disinfected air lower in the room provides circulation and mixing of the disinfected air.

An ultraviolet (UV) germicidal irradiation system comprising: a light emitting diode (LED) disinfecting face mask comprising: a flexible mask body having a front surface and a back surface; a flexible printed circuitry (FPC) sheet disposed within the flexible mask body, the FPC sheet having a plurality of LEDs adapted to emit UV light, the plurality of LEDs facing the front surface; a vibration sensor electrically connected to the FPC sheet, the vibration sensor being adapted to detect vibrations; a UV-reflective layer disposed behind the FPC sheet, the UV-reflective layer being adapted to reflect the UV light; and a light diffusion layer disposed in front of the FPC sheet, the light diffusion layer being adapted to scatter the UV light; and a control module comprising: a central processing unit (CPU), an LED driver, and a power source; the CPU being in electrical communication with the LED driver and the vibration sensor.

A device for creating an air curtain protecting a human respiratory system is described. The device can be a hat and/or collar worn by a person and includes a constant or on demand flow of air that passes across a person's face to create an air curtain. The flow of air moving across the face blows airborne viruses away from a person's eyes, nose, and mouth. Another concept includes a glove that is outfitted with a device that purifies the glove. A battery could be mounted on a person's wrist or forearm with a small wire running down the glove. Likewise, the glove could be outfitted with UV light embedded on the surface or just underneath a permeable/top layer of the glove. Still further, the glove can carry electrical pulses aimed to kill viruses every ten seconds or so.

A volatile material dispenser includes a base and a stand assembly that is coupled with the base. The base includes a fan and a battery therein. The stand assembly includes a platform, a stand that extends from the platform, and a manifold that extends from the stand. The volatile material dispenser also includes a shroud and an air deflector. The shroud is positioned on the base and defines a chimney. The air deflector is positioned between the shroud and the manifold. The air deflector is configured to direct air out of the chimney.

The present invention relates to a personal protective eyewear device. The eyewear/eyeglass device is configured to function as personal protective equipment for virtually anyone while in high-traffic public areas like retail stores, schools, offices, etc. The eyewear device comprises a plurality of LED wafers disposed at the bottom of the frame, or on a bracket that is attached to the bottom of the frame, for emitting and projecting far-UVC light in the range 207-222 nm to create a shield for pathogens. The shield disinfects both the inhaled and exhaled air.

An envelope may include an envelope body having a first pair of substantially parallel edges that extend in a transverse direction and a second pair of substantially parallel edges that extend in a longitudinal direction, a face, and a back defining a pouch. The envelope may include a first region of the envelope body that is partially detachable from the envelope body along a line of separation to form a base support member. The envelope may further include a second region of the envelope body that is partially detachable from the envelope body along a line of separation to form a connector support member. The connector support member engages the base support member when the base support member is partially separated from the envelope body to form an easel feature in a display position. The envelope may also be incorporated into methods for displaying an envelope body.

An ergonomic scent diffuser having a first housing with electrical components connected to a second housing having a heating element disposed within. Slidably connected to the second housing is a cap. The cap has depressions adjacent an outer end to provide an ergonomic grip. The cap also has guide rails and retaining members that retain and position a fragrance emitting member over the heating element.