An air quality system includes an air precleaner, a filter identification component, and a control module. The air precleaner has a precleaner housing and a filter disposed inside the precleaner housing. The filter identification component is positioned within the precleaner housing at a first position and is mounted on the filter. The control module is positioned within the precleaner housing at a second position and is configured to emit an electrical field and communicate with the filter identification component via the emitted electrical field.

An air-conditioning system of a motor vehicle may include a channel system configured to allow air to flow therethrough during operation and at least one heat exchanger positioned within the main channel and configured to air-condition air supplied to a motor vehicle interior of the motor vehicle. The channel system may include a main channel. The system may include a sensor device configured to measure an air characteristic of air to be analysed. The sensor device may include an analysis channel which the air to be analysed can flow through, a generation device configured to generate electromagnetic waves penetrating the analysis channel, a sensor temperature-control space separated from the analysis channel, and a temperature-control channel configured to apply air-conditioned air to the generation device to control a temperature of the generation device. The generation device is at least partially arranged in the sensor temperature-control space.

A method for preventing and handling in-car air pollution includes providing an out-car gas detector to detect a polluted gas outside a car and transmit an out-car gas detection data; providing an in-car gas detector to detect a polluted gas in an interior space of the car and transmit an in-car gas detection data; providing an in-car gas exchange system for controlling and determining whether to introduce a gas outside the car into the interior space, where the in-car gas exchange system includes a cleaning unit for filtering and purifying the polluted gas in the interior space and a control driving unit for receiving and comparing the out-car gas detection data with the in-car gas detection data; and filtering and exchanging the polluted gas in the interior space after the control driving unit compares the out-car gas detection data with the in-car gas detection data.

A filter element status analysis and notification system which includes a primary control unit, a filter element which filters cabin air of a vehicle and a sensor module provided on the filter element. The sensor module including a plurality of sensors, which sensors include at least a temperature sensor and a humidity sensor. The control system being operable to detect various filter element parameters and determine potential for microbial growth. The system then providing an alert to the user regarding the determined microbial growth potential.

Provided is an air-conditioning system including: an air pollution level detector configured to detect each of a pollution level of outside air, which is air outside a vehicle, and a pollution level of inside air, which is air inside the vehicle; and an air-conditioning control device configured to control air conditioning by switching an air-conditioning mode of the vehicle between an inside-air circulation mode and an outside-air introduction mode. The air-conditioning control device switches the air-conditioning mode from the outside-air introduction mode to the inside-air circulation mode based on the pollution level of the outside air acquired from the air pollution level detector, and switches the air-conditioning mode from the inside-air circulation mode to the outside-air introduction mode based on the pollution level of the inside air acquired from the air pollution level detector.

A filter monitoring system for a filter in a vehicle air conditioner includes a first temperature sensor to detect an air temperature of intake air drawn into an air conditioner case through the filter, a second temperature sensor to detect an evaporator temperature of the evaporator, and a processor coupled to the first and second temperature sensors and coupled to a memory. The processor is configured to calculate an actual change-rate of the evaporator temperature while a compressor is in operation, calculate an expected change-rate of the evaporator temperature based on the air temperature and operation levels of a blower and the compressor by using predetermined data with a properly functioning filter, calculate a degradation degree of the filter by comparing the actual change-rate to the expected change-rate, and output a signal indicating degradation of the filter upon determining that the degradation degree is out of an acceptable range.

An air cleaner may include an electrostatic air cleaner including: an air cleaner casing; an air cleaner main body; and an air cleaner return grille cover which is coupled to the air cleaner casing, wherein the air cleaner main body may include: a filter unit which has a size greater than a predetermined particle size; a dust collector unit which secondarily filters out dust, which passes through the filter unit and has a size equal to or smaller than the predetermined particle size, by collecting the dust on an electrode plate by generating a high-tension arc; a converter unit which generates the high-tension arc on the dust collector unit; and a sensor unit which measures concentration of the dust having a size equal to or smaller than the predetermined particle size to operate the dust collector unit and the converter unit.

A filter element status analysis and notification system which includes a primary control unit, a filter element which filters cabin air of a vehicle and a sensor module provided on the filter element. The sensor module including a plurality of sensors, which sensors include at least a temperature sensor and a humidity sensor. The control system being operable to detect various filter element parameters and determine potential for microbial growth. The system then providing an alert to the user regarding the determined microbial growth potential.

An air quality system for a vehicle comprises a chemical detection apparatus comprising a plurality of nanofiber chemical sensors for sensing a plurality of airborne materials in a compartment of the vehicle. The plurality of nanofiber chemical sensors are configured to adjust a characteristic electrical signal in response to changes in the presence of the plurality of airborne materials. The chemical detection apparatus further comprises a processor coupled to the nanofiber chemical sensor, wherein the processor is configured to monitor the characteristic electrical signals from the nanofiber chemical sensors and generate a detection signal in response to a changes in the characteristic electrical signals. The processor is in communication with a controller configured to control at least one vehicle system in response to the detection of one or more of the airborne materials.

A computer-implemented air quality amelioration method, computer program product, and system for a self-driving vehicle, the method including detecting a value of an air quality within a cabin of the self-driving vehicle and performing an amelioration action to improve the value of the air quality based on the detection of the value of the air quality being less than a predetermined value.