The invention relates to a method and a device for determining particulate emissions in the driving operation of a vehicle, in particular of a motor vehicle. According to the invention, provision is made that the device has a sensor system and a control unit and that in driving operation the sensor system and the control unit jointly undertake the function of particulate matter sensors. Here, the sensor system senses driving operation values on the vehicle. From the sensed driving operation values and by means of correlations of driving operation values with particulate matter values determined and stored in advance in the control unit, the control unit estimates the particulate emissions from tyre abrasion of the vehicle. Finally, the invention relates to a vehicle with the device according to the invention.

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.

A system (10) for treating the air in the cabin of a vehicle includes a casing, an air conditioning apparatus, a filtering device (16) an RFID tag (28) containing identification information about the filtering device (16). An RFID reader (30) co-operates with the RFID tag (28) to read the identification information. A control unit (32) is connected to the RFID reader (30) and configured for receiving the identification information and for executing predefined operations as a function of the identification information.

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 in-car air pollution prevention system is disclosed and includes plural gas detection modules and a gas conditioning device. The in-car gas detection modules and the out-car gas detection modules are provided for detecting the external gas and the air pollution source and transmitting the gas detection data respectively. A plurality of filtering and purification components are disposed within the gas conditioning device for filtering the external gas and the air pollution source. After the control drive unit compares the gas detection data, the gas conditioning device intelligently select and control the introduction or not introduction of the external gas. The plurality of in-car gas detection modules control the enablement of the gas guider of the gas conditioning device under a monitoring mechanism state. Whereby the gas pollution source in the interior space of the car is filtered through the filtering and purification component, and the gas pollution source is filtered and/or exchanged to generate clean air.

An air purification system includes an air purifier with a control unit and a filtration unit, at least one human-machine interface, at least one nomadic air sensor designed to be able to be coupled to the air purifier, or uncoupled from the air purifier, the control unit being designed to control the filtration unit according to at least one coupled operating mode taking into account measurement feedback from the air sensor, and one uncoupled operating mode not taking into account measurement feedback from the air sensor, wherein in the uncoupled operating mode of the air purifier, the human-machine interface is designed to display measurements from the nomadic air sensor.

A road vehicle with a vehicle frame and a rear axle connected to the vehicle frame is provided with an ambient air purification device with filter elements for removing dust, particulate matter, and gases from ambient air. The ambient air purification device is arranged transverse to a longitudinal vehicle axis in an exterior region of the road vehicle at a vehicle rear of the road vehicle in an underfloor region such that at least the filter elements are arranged behind the rear axle of the road vehicle in a travel direction of the road vehicle. The ambient air purification device is received in an installation space of the vehicle frame. The ambient air purification device is flowed through in longitudinal vehicle direction. A free outflow zone of the ambient air purification device is arranged, in travel direction of the road vehicle, behind the ambient air purification device.

A filter element includes: a filter frame; a bellows of a filter medium accommodated in the filter frame; and a seal externally circumferential on the filter frame. At least one filter-side mechanical encoding element in integrated in the seal. The at least one filter-side encoding element is a recess in the seal, the recess being a groove, a notch, or a trough. The seal has a reduced height in a region of the filter-side encoding element. The seal is a radial seal.

Embodiments herein relate to vehicle filter monitoring systems and methods. In an embodiment, a filter monitoring system is included having a filter sensor device configured to generate data reflecting a filter condition value of a filter and a geolocation circuit configured to determine a present geolocation of a vehicle. The system can also include a system control circuit configured to generate or receive local contaminant concentration values at the present geolocation, evaluate the filter sensor device data to determine at least one of the filter condition value and a change in the filter condition value, and generate at least one of a maintenance recommendation and a routing recommendation based on the local contaminant concentration values, time spent at the geolocation of the vehicle, duty cycle of the vehicle, the filter condition value, and a change in the filter condition value. Other embodiments are also included herein.

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.