Abstract: A method for working a first component and a second component comprises the following steps: providing the first component, which comprises a thermally sprayed electrically conductive layer, providing the second component, which has a longitudinally extended strip of copper, which at least in a first region has a thickness transversely to the longitudinal direction of more than 0.1 millimeter, arranging the strip and the layer one on top of the other, so that the first region of the strip and the layer have a contact region in common with one another, emitting a laser beam onto the contact region and forming a welded connection, which connects the strip and the layer to one another.

Abstract: The invention relates to an electrical heating device (10) for a motor vehicle with a heating resistor designed as a conductor track (12) on a substrate (20), wherein the conductor track is at least partially arranged in a bifilar format. The invention further relates to a motor vehicle having such an electrical heating system.

Abstract: An apparatus for a heating device for a vehicle comprises a layer stack which, in a stacking direction, has a heating conductor layer, an electrically conductive layer which forms a contact region, wherein a contour in a projection in the stacking direction of the electrically conductive layer is prespecified, in order to prevent a hotspot on the electrically conductive layer, by at least one of a prespecified width of a front side of the electrically conductive layer which faces a central region of the heating conductor layer, a prespecified distance from a joint of the heating conductor layer, and a prespecified curvature of the contour.

Abstract: A vehicle heater (10) comprises a main body (12) carrying a non-intrinsically safe heat conductor layer (14), and a temperature monitoring device (16, 18, 20, 44) assigned to the heat conductor layer (14). The temperature monitoring device (16, 18, 20, 44) is designed to distinguish and to report at least the three following states: normal operation, reversible malfunction and irreversible malfunction. Moreover, a method for monitoring a vehicle heater (10) is suggested in which the following states are distinguished and reported: normal operation, reversible malfunction and irreversible malfunction.

Abstract: A vehicle heater comprises a main body carrying a non-intrinsically safe heat conductor layer, and a sensor device allocated to the heat conductor layer and provided to detect an exceedance of a temperature threshold value. The sensor device comprises a sensor layer arranged on the side of the heat conductor layer facing away from the main body which is monitored for current flows which may occur substantially in the direction of its surface normal. In a method for producing a vehicle heater a main body of the vehicle heater is equipped with a non-intrinsically safe heat conductor, and a sensor device for detecting exceedances of a temperature threshold value. A sensor layer provided to be monitored for current flows which may occur substantially in the direction of the surface normal of the sensor layer is allocated to the heat conductor layer on its side facing away from the main body to form the sensor device.

Abstract: The invention relates to a heating device (10) for a vehicle, comprising: a flow path (14, 16, 20, 22, 24) for a liquid heat transfer agent; an electric heating device (34) for generating heat and for releasing generated heat to the heat transfer agent on a heating portion (20) of the flow path; and an electronic controller (26) for controlling a heat output of the heating device. The controller (26) is provided with a heat releasing body in order to release waste heat of the controller (26) to the heat transfer agent on a preheating portion (16) of the flow path upstream of the heating portion (20). The invention likewise relates to a method for cooling the controller.

Abstract: An apparatus for a heating device for a vehicle comprises a layer stack which, in a stacking direction, has a heating conductor layer, an electrically conductive layer which forms a contact region, wherein a contour in a projection in the stacking direction of the electrically conductive layer is prespecified, in order to prevent a hotspot on the electrically conductive layer, by at least one of a prespecified width of a front side of the electrically conductive layer which faces a central region of the heating conductor layer, a prespecified distance from a joint of the heating conductor layer, and a prespecified curvature of the contour.

Abstract: In a method for producing a vehicle heater (10), a main body (12) of the vehicle heater (10) is equipped with a non-intrinsically safe heat conductor layer (14), and a sensor device (16, 18, 20) for detecting exceedances of a temperature threshold value. To form the sensor device (16, 18, 20) a sensor layer (16) is sprayed on without the main body (12) being exposed to temperatures normal for baking processes. A vehicle heater (10) is equipped with a main body (12) carrying a non-intrinsically safe heat conductor layer (14), and with a sensor device (16, 18, 20) allocated to the heat conductor layer (14) and provided to detect the exceedance of a temperature threshold value. The sensor device (16, 18, 20) comprises a sprayed-on sensor layer (16) produced without the main body (12) assuming temperatures that are normal for baking processes.

Abstract: A method for producing a contact region for a layer of an electrical heating device for a motor vehicle may include providing the layer made of a thermally sprayed, electrically conductive material, providing a laser beam having a focus, introducing a powder of an electrically conductive material into the focus of the laser beam, and thereby melting the powder, applying the molten powder to a region of the layer, and thereby forming the contact region from the electrically conductive material for making contact with the layer.

Abstract: A method for working a first component and a second component comprises the following steps: providing the first component, which comprises a thermally sprayed electrically conductive layer, providing the second component, which has a longitudinally extended strip of copper, which at least in a first region has a thickness transversely to the longitudinal direction of more than 0.1 millimeter, arranging the strip and the layer one on top of the other, so that the first region of the strip and the layer have a contact region in common with one another, emitting a laser beam onto the contact region and forming a welded connection, which connects the strip and the layer to one another.

Abstract: The invention relates to an electrical heating device (10) for a motor vehicle with a heating resistor designed as a conductor track (12) on a substrate (20), wherein the conductor track is at least partially arranged in a bifilar format. The invention further relates to a motor vehicle having such an electrical heating system.

Abstract: The invention relates to a heating device (10) for a vehicle, comprising: a flow path (14, 16, 20, 22, 24) for a liquid heat transfer agent; an electric heating device (34) for generating heat and for releasing generated heat to the heat transfer agent on a heating portion (20) of the flow path; and an electronic controller (26) for controlling a heat output of the heating device. The controller (26) is provided with a heat releasing body in order to release waste heat of the controller (26) to the heat transfer agent on a preheating portion (16) of the flow path upstream of the heating portion (20). The invention likewise relates to a method for cooling the controller.

Abstract: In a method for producing a vehicle heater (10), a main body (12) of the vehicle heater (10) is equipped with a non-intrinsically safe heat conductor layer (14), and a sensor device (16, 18, 20) for detecting exceedances of a temperature threshold value. To form the sensor device (16, 18, 20) a sensor layer (16) is sprayed on without the main body (12) being exposed to temperatures normal for baking processes. A vehicle heater (10) is equipped with a main body (12) carrying a non-intrinsically safe heat conductor layer (14), and with a sensor device (16, 18, 20) allocated to the heat conductor layer (14) and provided to detect the exceedance of a temperature threshold value. The sensor device (16, 18, 20) comprises a sprayed-on sensor layer (16) produced without the main body (12) assuming temperatures that are normal for baking processes.

Abstract: A vehicle heater (10) comprises a main body (12) carrying a non-intrinsically safe heat conductor layer (14), and a temperature monitoring device (16, 18, 20, 44) assigned to the heat conductor layer (14). The temperature monitoring device (16, 18, 20, 44) is designed to distinguish and to report at least the three following states: normal operation, reversible malfunction and irreversible malfunction. Moreover, a method for monitoring a vehicle heater (10) is suggested in which the following states are distinguished and reported: normal operation, reversible malfunction and irreversible malfunction.

Abstract: A vehicle heater (10) comprises a main body (12) carrying a non-intrinsically safe heat conductor layer (14), and a sensor device (16, 18, 20) allocated to the heat conductor layer (14) and provided to detect an exceedance of a temperature threshold value. The sensor device (16, 18, 20) comprises a sensor layer arranged on the side of the heat conductor layer (14) (16) facing away from the main body (12) which is monitored for current flows which may occur substantially in the direction of its surface normal (42). In a method for producing a vehicle heater (10) a main body (12) of the vehicle heater (10) is equipped with a non-intrinsically safe heat conductor layer (14), and a sensor device (16, 18, 20) for detecting exceedances of a temperature threshold value.