A removable cartridge for use with a liquid diffusion device is provided. The removable cartridge includes a cartridge housing defining an internal housing cavity, partially filled with a liquid to be diffused, and a diffusion head positioned within the internal housing cavity with a venturi device for generating diffused liquid from the liquid contained in the internal housing cavity. The diffusion head defines at least a portion of a gas supply conduit that extends from a bottom end of the removable cartridge to the venturi device through the liquid to be diffused to enable the venturi device to be supplied with pressurized gas from an external source via the bottom end of the removable cartridge.

Disclosed is an air purification system (10) comprising an air purifier apparatus (50) for removing a pollutant from air, a sensor (21, 23) for sensing a concentration of the air pollutant and a scent release apparatus (40) responsive to a scent release signal, wherein the air purification system further comprises a processor (31) adapted to monitor the pollutant concentration from sensor data received from the sensor and to generate the scent release signal upon the monitored pollutant concentration falling below a defined threshold. Also disclosed is a method of generating a scented atmosphere in a room housing an air purification apparatus (50) for removing a pollutant from the air in the room.

A personal air treatment device is used to treat air with UV irradiation and with scents. The scents may be used as an attractant or masking for hunting. Multiple devices may be controlled by a smartphone application to strategically alter scent dispersion according to local wind patterns, user location, and relative device location. Similar air treatment devices may be integrated with a particulate mask or used to otherwise treat the air around a user.

A device for deodorization and disinfection is provided. The aforementioned device includes a supporter, a fan module, a high voltage generating module, a controlling circuit, a battery module, and a cover body used to contain aforementioned elements. Aforementioned supporter includes a first supporting portion, a second supporting portion, and a third supporting portion. The fan module attaches to a setting plane of the first supporting portion. The high voltage generating module is configured at the third supporting portion and below the fan module, and a corona generator of the high voltage generating module is configured at an air outlet of the fan module. The battery module is configured at a holding space formed by the second supporting portion and the third supporting portion. The controlling circuit makes the battery module provide power to the fan module and the high voltage generating module.

An HVAC fluid dispersant system. The HVAC fluid dispersant system includes one or more fluid lines, the one or more fluid lines configured to allow movement of a fluid and a pump, the pump configured to move the fluid through the one or more fluid lines. The HVAC fluid dispersant system also includes a source line, the source line configured to provide the fluid to the pump and a nozzle. The nozzle is configured to receive the fluid from the one or more fluid lines, create a mist composed of the fluid and attach to a duct vent.

An induced air discharging unit includes: a jet flow generator configured to discharge supply air fed from outside, the jet flow generator discharging the supply air as a jet flow of air; an air inducer configured to allow air of an air-conditioning target space to be induced by an inducing effect of the jet flow of air discharged from the jet flow generator; an air mixer configured to discharge mixed air of the jet flow of air from the jet flow generator and the air induced by the air inducer to the air-conditioning target space, and radiate heat of the mixed air to the air-conditioning target space; and an air purifier configured to produce a purifying substance that purifies a purification target substance by chemical reaction, and blow out the purifying substance to the air-conditioning target space.

A scent releasing filter assembly for enhancing an odor of a building includes a filter that may be positioned in an air supply of an HVAC system to filter air that is urged through the air supply. A chemical scent is infused into the filter. The chemical scent is released into the air urged by the HVAC system thereby enhancing an odor of a building.

Methods and apparatus for vaporizing liquid from a liquid source into the surrounding environment, are disclosed, where the apparatus comprises at least one manifold comprising at least one liquid port formed by a through-hole and at least one ridge structure, wherein the liquid port is in fluid communication with the liquid source and the one ridge structure At least one vaporization port is included in a planar structure connecting a first side of the structure to a second side, in fluid communication with the at least one ridge structure and the surrounding environment, wherein fluid flow through the liquid and vaporization ports is substantially perpendicular to the plane of the structure, and the ridge structures are substantially parallel to the plane of the structure. At least one heating element is present that is in thermal communication to the at least one vaporization port and at least one ridge structure.

A detachable essential oil atomizer head and an aromatherapy atomizer are provided. The detachable essential oil atomizer head includes: a bottom shell, a shell cover, a connection part and an atomization structure, the shell cover is covered on the bottom shell and encloses the bottom shell so as to form an accommodation space, the shell cover is provided with an air outlet communicated with the accommodation space, an essential oil bottle is arranged on one side of the connection part, the other side of the connection part away from the essential oil bottle is detachably connected with the bottom shell, the bottom shell is provided with an insertion hole communicated with the accommodation space. The atomization structure includes a ceramic atomization plate and a flexible wick, the ceramic atomization plate is mounted in the accommodation space. According to the present application, a portable aromatherapy atomizer is realized.

A detachable essential oil atomizer head and an aromatherapy atomizer are provided. The detachable essential oil atomizer head includes: a bottom shell, a shell cover, a connection part and an atomization structure, the shell cover is covered on the bottom shell and encloses the bottom shell so as to form an accommodation space, the shell cover is provided with an air outlet communicated with the accommodation space, an essential oil bottle is arranged on one side of the connection part, the other side of the connection part away from the essential oil bottle is detachably connected with the bottom shell, the bottom shell is provided with an insertion hole communicated with the accommodation space. The atomization structure includes a ceramic atomization plate and a flexible wick, the ceramic atomization plate is mounted in the accommodation space. According to the present application, a portable aromatherapy atomizer is realized.