Abstract: A device for the detection of wetness in wheel arches of road vehicles includes at least one sensor arrangement including at least one capacitive moisture sensor with two electrodes, electrically insulated with respect to one another, and with at least one evaluation unit, the electrodes, electrically insulated with respect to one another, are arranged on a carrier element, that the electrodes, electrically insulated with respect to one another, are formed by two detection sections arranged parallel to one another, and that the detection sections, when used as intended, are aligned respectively in a rising manner in their longitudinal extent. The device also relates to a road vehicle for the detection of wetness, with at least one wheel arch, with which provision is made according to the invention that the wheel arch is delimited by a wheel-housing shell, at which a device according to the invention is arranged.

Abstract: A method for determining the degree of soiling of an air filter, in particular of an air filter in the interior space of motor vehicle, in which air to be purified is directed across at least one filter body in a predetermined direction of flow. An indirect pressure measurement takes place before and after the at least one filter body in the predefined direction of flow. An apparatus for determining the degree of soiling of an air filter is also provided, having at least one filter body as well as an airflow chamber connected upstream of the filter body and an airflow chamber connected downstream of the filter body. An indirect pressure measurement device is allocated to the airflow chamber connected upstream of the filter body and to the airflow chamber connected downstream of the filter body.

Abstract: A method for detecting liquid on a windowpane in which radiation is emitted by at least one radiation emitter, the radiation is coupled into the windowpane via at least one optical element, and, after reflection in the windowpane, the radiation is coupled out of the windowpane. The radiation which is coupled out of the windowpane is captured in single measurements. A measurement cycle is formed from a multiplicity of single measurements. An average value is calculated from the measurement results of a measurement cycle. The average value is used a reference value for the single measurements of the subsequent measurement cycle currently in progress. The differences between the measured values of the single measurements of a measurement cycle currently in progress and the reference value are determined. The differences between the measured values of the single measurements of the measurement cycle currently in progress and the reference value are evaluated statistically.

Abstract: A method for detecting and processing the carriageway condition of a carriageway on which a vehicle is driven, by means of at least one noise sensor provided on the vehicle, in particular by means of at least one mechanical vibration sensor, wherein noise signals travelling through the vehicle are sensed by a noise sensor and conclusions as to the carriageway condition are drawn from the sensed noise signals. According to said method, the section of route on which the vehicle is currently being driven is determined, the determined carriageway condition is assigned to the section of route, said section of route and the carriageway condition that has been determined and assigned to the section of route are transmitted to a computer network, in particular to a cloud-based computing service, and the information relating to the carriageway condition assigned to a section of route is made available via the computer network.

Abstract: In a sensor apparatus for detecting the temperature on a flat component, particularly on a window of a motor vehicle, having at least one sensor housing, having at least one circuit carrier, at least a section of which is arranged inside the sensor housing, and having at least one temperature sensor arranged on the circuit carrier, it is provided as essential to the invention that the circuit carrier includes at least one section embodied as a contact finger, that the temperature sensor is arrange on the contact finger, that the contact finger has a contact region for thermal coupling with the flat component, that the contact region is connected in thermally conductive manner to the temperature sensor, that the sensor housing has at least one deflection element impinging on the contact finger with a bias.

Abstract: 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.

Abstract: In a sensor arrangement for measurement of the temperature of a disk, it is provided that the sensor arrangement comprises a circuit carrier with a temperature sensor arranged thereon, wherein the circuit carrier and the temperature sensor are arranged in a housing and an electrical connection and a heat-conducting element are guided out from the housing, the heat-conducting element is configured as a rigid pin, the rigid pin has a thermal connection and a mechanical connection to the circuit carrier, the rigid pin is provided and configured to make a thermal contact with the disk.

Abstract: A sensor apparatus for detecting the wetness of window, with a radiation emitter and a radiation receiver, with an optical guide element which can be coupled to the inner side of the window, the radiation inlet side and the radiation outlet side of the guide element are each embodied as a lens arrangement, and a lens arrangement is embodied by lens contours arranged side by side. The lens arrangement on the radiation inlet side has at least two lens contours. The inlet surfaces of the lens contours on the radiation inlet side, through which the radiation is able to enter the guide element, are inclined towards each other. The lens arrangement on the radiation outlet side has at least two lens contours. The outlet surfaces of the lens contours on the radiation outlet side, through which the radiation can exit the guide element, are inclined towards each other.

Abstract: With a method for at least partially automatically controlling, in particular automatically parking a vehicle, in particular a motor vehicle, provision is made according to the invention for the movement of the vehicle to be predicted, for the position of a body outside the vehicle to be detected, for a possible spatial and/or time-related contact area between the vehicle and the body on the outer shell of the vehicle to be predicted, for a structure-borne sound measurement to be taken in the predicted spatial and/or time-related contact area and for a warning signal to be issued to the control unit if a previously specified criterion is met by the measured structure-borne sound signal.

Abstract: A method for detecting and processing the carriageway condition of a carriageway on which a vehicle is driven, by means of at least one noise sensor provided on the vehicle, in particular by means of at least one mechanical vibration sensor, wherein noise signals travelling through the vehicle are sensed by a noise sensor and conclusions as to the carriageway condition are drawn from the sensed noise signals. According to said method, the section of route on which the vehicle is currently being driven is determined, the determined carriageway condition is assigned to the section of route, said section of route and the carriageway condition that has been determined and assigned to the section of route are transmitted to a computer network, in particular to a cloud-based computing service, and the information relating to the carriageway condition assigned to a section of route is made available via the computer network.

Abstract: In a method for determining the surface temperature of a road on which a motor vehicle is travelling, the brightness of the ambient light around the motor vehicle is determined, that radiated light reflected from the road is captured, and that the measured values for brightness of the ambient light and the radiated light reflected from the road are included in the calculation. Also, a sensor arrangement for a motor vehicle for determining the surface temperature of a road on which the motor vehicle is travelling is used to carry out the method, in which at least one light sensor is assigned to the sensor arrangement for capturing the brightness of the ambient light around the motor vehicle, that at least one light sensor is assigned to the sensor arrangement for capturing the radiated light reflected from the road on which the vehicle is travelling.

Abstract: A sensor device for detecting moisture on a roadway of a vehicle includes a housing having at least one flat housing area. The housing is constructed as a resonant body and is provided for mounting in a wheel arch of the vehicle. At least one structure-borne sound sensor is arranged in the housing area of the housing and at least one connecting means is assigned to the housing for producing a connection between the housing and the wheel arch. The at least one connecting means is constructed to be vibration damping and constructed for receiving a decoupling of the sensor device and the wheel arch. The at least one connecting means is constructed for producing a connection between the housing and the wheel arch and the structure-borne sound sensor is configured to detect only structure-borne sound signals caused by impacting moisture droplets on the housing.

Abstract: 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.

Abstract: In a sensor device for detecting moisture on a roadway of a vehicle, particularly a motor vehicle, with at least one structure-borne sound sensor, with at least one circuit carrier, wherein the structure-borne sound sensor is connected in a signal-conducting manner to the circuit carrier, it is provided in a manner important for the invention that at least one structure-borne sound sensor is arranged in a housing, that the housing has at least one flat constructed housing area, that the structure-borne sound sensor is connected to the flat constructed housing area, so as to conduct structure-borne sound signals, and in that the housing is constructed as a resonant body, that the at least one circuit carrier is arranged in the housing, that the housing is provided for mounting in a wheel arch of a vehicle, that at least one connecting means for producing a connection between the housing and the wheel arch is assigned to the housing, and that the connecting means is constructed to be vibration damping, at least

Abstract: In a method for capturing the state of wear of at least one vehicle tyre on a vehicle wherein at least one measurement signal is captured with a least one sensor device of the vehicle it is provided as essential to the invention that a quantity of water striking at least one section of the vehicle is determined by means of at least one precipitation detection device, a measurement value of the water thrown up from the road by at least one tyre to be monitored is captured by means of at least one additional sensor device, and that at least one standard value for the measurement value of the water thrown up measured with the additional sensor device (7) is calculated from the quantity of water determined with the aid of the precipitation detection device.

Abstract: In a method for protecting vehicle occupants in the passenger compartment of a vehicle, particularly a motor vehicle. It is provided as essential to the invention that at least one structure-borne sound signal is captured by at least one structure-borne sound sensor, the captured structure-borne sound signal is evaluated by at least one evaluation device, the structure-borne sound signal can be produced by at least one person located in the passenger compartment of the vehicle, and after the capture and evaluation of the structure-borne sound signal at least one control signal is sent to a triggering device of an air supply device to introduce air into the passenger compartment of the vehicle.

Abstract: In a method for wireless communication between a vehicle, particularly a motor vehicle, and an external service facility, wherein at least one communication signal is sent to the vehicle by the service facility, it is provided as essential for the purposes of the invention that the communication signal is a sound signal, and that the communication signal is captured by at least one structure-borne sound sensor installed in the vehicle.

Abstract: In a measurement device for measuring fine particulate matter in at least one volume of air for a vehicle, particularly for a motor vehicle, having at least one laser light source, having at least one calibration device assigned to the laser light source, and having at least one measurement chamber, it is provided according to the invention that the at least one laser light source is assigned to at least two measurement chambers, the measurement chambers are formed by segments of air handling ducts to direct the air volumes to be tested, and at least one optical receiving device is assigned to each measurement chamber.

Abstract: With a method for detecting a contact event on the outer shell of a vehicle, wherein at least one structure-borne sound signal is detected by means of a structure-borne sound sensor, the detected structure-borne sound signal is evaluated by an evaluation device, and wherein the vehicle comprises a number of structure-borne sound sensors, it is provided as essential to the invention that each of the structure-borne sound sensors is associated with an area of the vehicle outer shell via a structure-borne sound conducting link, that an evaluation device is used to ascertain, by which of the structure-borne sound sensors respectively, a structure-borne sound signal has been detected, that conclusions are drawn from the association of the structure-borne sound sensors as to the area of the vehicle outer shell which has been touched, and that conclusions are drawn from the area of the vehicle shell which has been touched, as to the kind of underlying contact.

Abstract: In a sensor arrangement for measurement of the temperature of a disk, it is provided that the sensor arrangement comprises a circuit carrier with a temperature sensor arranged thereon, wherein the circuit carrier and the temperature sensor are arranged in a housing and an electrical connection and a heat-conducting element are guided out from the housing, the heat-conducting element is configured as a rigid pin, the rigid pin has a thermal connection and a mechanical connection to the circuit carrier, the rigid pin is provided and configured to make a thermal contact with the disk.