An air ionization system is provided for creating an ionized airflow within a transit vehicle. The air ionization system includes a block having electronic control circuitry therein, air ionizing electrodes, and wiring electrically coupling the air ionizing electrodes to the electronic control circuitry. The air ionizing electrodes are mounted remote to the block in the transit vehicle and are mounted within an air distribution unit of the transit vehicle.

A vehicular air conditioning system includes an air-conditioning case having a plurality of passages divided by a partition wall, and an ion generator configured to emit anions and cations into the passages. The ion generator includes a plurality of discharge electrodes installed to extend into the passages of the air-conditioning case and configured to emit anions and cations into the passages. The partition wall of the air-conditioning case includes a communication portion configured to bring the passages into communication with each other so that the discharge electrodes installed in the passages face each other in the same space.

The present inventive concept relates to an air treatment device adapted to treat air in a confined space. The air treatment device comprises a device body having a central axis, the device body comprising a supporting structure being substantially transverse to the central axis and a side section being substantially parallel to the central axis. The air treatment device further comprises an air treatment section arranged in the device, an ionizing arrangement, a fan arrangement, and a filter extending in a first direction being parallel to the central axis, wherein the filter comprises an upper end and a lower end in the first direction, wherein the ionizing arrangement and the fan arrangement are arranged between the upper and lower end.

A modular air treatment unit for an over the road vehicle is independent of an associated climate control system. The air treatment unit is configured to filter and sanitize air within the passenger compartment as air moves along a flow path separate from a flow path through the climate control system. The modular air treatment unit includes a housing defining a circuitous passageway, an air filter mounted to the housing, a fan configured to move air along passageway, and an ultraviolet light source arranged in the housing. The ultraviolet light source is configured to discharge germicidal ultraviolet light inside the housing to eliminate pathogens in the housing.

An air purifier for use in a vehicle having louvered air vents includes a housing having rear and front air flow openings that are aligned with and in air flow communication with each other. A louver clip is attached to the housing adjacent the rear air flow opening. The louver clip is configured to engage a louver on an air vent in the vehicle to hold the housing in place in front of the air vent. The air purifier includes an annular ultraviolet light bulb having a central air flow opening aligned with the front and rear air flow openings in the housing. An annular ultraviolet reflector at least partially encircles the annular ultraviolet light bulb. The air purifier includes a power source for providing electrical power to the ultraviolet light bulb, and a power switch for turning power on or off to the ultraviolet light bulb.

An air purifying device, system and method for cleaning and infecting a conditioned space or zone. The air purifying system may include a heating, ventilation and air conditioning (HVAC) system with HVAC equipment configured to provide conditioned air to a conditioned space, where the HVAC system also includes a condensate trap configured to collect condensate produced during operation. The air purifying system also including an air purifying device configured to energize the condensate from the condensate trap to generate an aerosol including negative ions, which are combined the conditioned air provided by the HVAC system to the conditioned space.

Provided are a sterilization module and an air purifier, which are applied in the field of air sterilization. The sterilization module is applied in the air purifier. The sterilization module includes a frame, a plurality of wave-shaped plates, and at least one sterilizing lamp. The frame is provided with a channel running through the frame from one end to another end. The plurality of wave-shaped plates are arranged at intervals in the channel, where each of the plurality of wave-shaped plates is bent alternately from the one end to the another end of the frame, so as to form an air duct that is wave-shaped between two adjacent wave-shaped plates. The at least one sterilizing lamp is disposed on the wave-shaped plate and used to emit ultraviolet (UV) light towards the air duct.

The present invention relates to a duct module and a vehicle seat including a duct module. According to an exemplary embodiment of the present invention, the duct module includes a duct, an air intake module and a sterilization module. The duct may have a duct air passage formed therein and include a first rigid portion, a second rigid portion, and a flexible portion disposed between the first rigid portion and the second rigid portion. The air intake module may be connected to the first rigid portion of the duct and guide external air into the duct air passage. Further, the sterilization module may be disposed in the duct to emit sterilization light into the duct air passage. The duct air passage may be formed as an internal space of the first rigid portion, the second rigid portion and the flexible portion.

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.

A positive and negative oxygen ion air purification system uses dielectric barrier discharge for rail transport. The system includes: an air intake device including a first damper and second damper, wherein the first damper is in communication with the second damper; an evaporator disposed within the air intake device, wherein gas flowing through the first damper and second damper passes through the evaporator; a purification device, wherein gas flowing through the first damper and second damper passes through the purification device, wherein the purification device includes a mounting plate, a power supply module and an ion generation module, the purification device is disposed on the air intake device by the mounting plate, and the power supply module includes an input end, a transformer, and an output end; a detection device; and a control device connected to the detection device, the air intake device and the purification device.