Abstract: A battery module for an electric vehicle, includes a plurality of battery cells and at least one electrical resistance element arranged between the battery cells for heating the battery cells as needed. The electrical resistance element includes a polymer composition having a positive temperature coefficient.

Abstract: A battery module for an electric vehicle, includes a plurality of battery cells and at least one electrical resistance element arranged between the battery cells for heating the battery cells as needed. The electrical resistance element includes a polymer composition having a positive temperature coefficient.

Abstract: An electrical fluid heater, in particular water heater, preferably for a motor vehicle, including at least one fluid accommodating container and at least one heating conductor having a conductive polymer structure, for heating fluid, in particular water, accommodated in the fluid accommodating container.

Abstract: An electrical heating device, in particular for a vehicle, includes a heat exchanger body, with a heat transfer surface and an at least partially closed cavity. The at least partially closed cavity has a wall section that at least partially delimits the at least partially closed cavity that is adjacent to the heat transfer surface. A pyrotechnical charge is arranged in the at least partially closed cavity, and the at least partially closed cavity has a further wall section delimiting the at least partially closed cavity at least partially and to which an electrical connection line of the electrical heating device is adjacent.

Abstract: An electric air heating device for a vehicle, specifically a motor vehicle, preferably a private car or a heavy goods vehicle, including at least a first heating element around which the air to be heated flows, wherein the first heating element comprises a preferably electrically-insulating substrate and at least one electrically-conductive carbon-based coating, specifically a polymer coating.

Abstract: An electrical liquid heating device, in particular water heating device, preferably for a motor vehicle, including at least a first conductive layer, in particular a first metal layer, a second conductive layer, in particular a second metal layer, and a polymer layer which contains a polymer component and a conductive carbon component and is arranged between the first and the second conductive layer, wherein liquid channels for conducting the liquid, in particular water, being heated are provided which extend from a first side of the polymer layer facing the first conductive layer to a second side of the polymer layer facing the second conductive layer.

Abstract: A method for producing an electric heating device, preferably liquid or air heating device, in particular for a motor vehicle, wherein at least one first conductive polymer layer which contains a first polymer component and a first conductive component, in particular carbon component, is applied to an, in particular, insulating, first substrate in order to form a first heating element and is crosslinked there by means of radiation.

Abstract: An electric heating apparatus, in particular a liquid or air heating apparatus, in particular for a motor vehicle, including a first heating element and at least one second heating element. The heating elements comprise in each case one, in particular insulating, substrate and one polymer layer which contains a polymer component and a conductive component, in particular a carbon component. An intermediate space through which the fluid is capable of passing for heating said fluid is configured between the heating elements. The heating elements are connected to one another by one or a plurality of, in particular conductive, spacer(s) disposed therebetween, and/or one or more, in particular conductive, positioning element(s) that penetrate (a) respective clearance(s) and/or openings of the heating elements.

Abstract: An electrical air heater, in particular for a motor vehicle, including a first heating element and at least one second heating element The heating elements each include a first conductive layer, in particular a first metal layer, a second conductive layer, in particular a second metal layer (11a, 11b), and a polymer layer. The polymer layer contains a polymer component and a conductive carbon component. An interspace is formed between the heating elements, through which interspace air is able to flow for the heating thereof.

Abstract: The present invention relates to a silencer device for a fluid line which comprises a resonator arrangement which comprises a first resonator tube comprising a first resonator chamber designed for a ?/4 damping of at least one sound wavelength, wherein the first resonator tube comprises a first longitudinal direction, two end walls facing each other in the first longitudinal direction and a first side wall extending between the end walls, and wherein the first resonator chamber is formed between the first side wall and the end walls of the first resonator tube.

Abstract: The invention relates to a control device (12) for an engine-independent heater (3) that heats a liquid heat transfer medium of a heat transfer medium circuit (1) especially for motor vehicles. Said control device (12) reduces a heater (3) capacity when an actual temperature gradient ((dT/dtIst) of the heat transfer medium is equal to or exceeds a temperature gradient threshold value ((dT/dt)Schwell). The control device (12) determines the temperature gradient threshold value ((dT/dt)Schwell) dynamically in accordance with a difference in temperature (??) between a target temperature (?Soll) of the heat transfer medium and an actual temperature (?Ist) of the heat transfer medium. The invention further relates to a heater (3), a heating system (1), and a method for controlling the inventive heater (3).

Abstract: The present invention relates to a silencer device for a fluid line which comprises a resonator arrangement which comprises a first resonator tube comprising a first resonator chamber designed for a ?/4 damping of at least one sound wavelength, wherein the first resonator tube comprises a first longitudinal direction, two end walls facing each other in the first longitudinal direction and a first side wall extending between the end walls, and wherein the first resonator chamber is formed between the first side wall and the end walls of the first resonator tube.

Abstract: The invention relates to a control device (12) for an engine-independent heater (3) that heats a liquid heat transfer medium of a heat transfer medium circuit (1) especially for motor vehicles. Said control device (12) reduces a heater (3) capacity when an actual temperature gradient ((dT/dtIst) of the heat transfer medium is equal to or exceeds a temperature gradient threshold value ((dT/dt)Schwell). The control device (12) determines the temperature gradient threshold value ((dT/dt)Schwell) dynamically in accordance with a difference in temperature (??) between a target temperature (?Soll) of the heat transfer medium and an actual temperature (?Ist) of the heat transfer medium. The invention further relates to a heater (3), a heating system (1), and a method for controlling the inventive heater (3).

Abstract: A heating system for heating air, especially for heating the interior of a motor vehicle, with a first heater (10), a second heater (12), and a flow path between the first heater (10) and the second heater (12), there being at least one auxiliary fan (50) with which a flow in the direction from the second heater (12) to the first heater (10) can be produced and a process for influencing the air flows in the heating system are designed to counteract overpressurization. Furthermore, an air heater and a process for detecting backflowing hot air through an air heater use a temperature sensor in an inlet area of the heater for that purpose.

Abstract: A heating system for heating air, especially for heating the interior of a motor vehicle, with a first heater (10), a second heater (12), and a flow path between the first heater (10) and the second heater (12), there being at least one auxiliary fan (50) with which a flow in the direction from the second heater (12) to the first heater (10) can be produced and a process for influencing the air flows in the heating system are designed to counteract overpressurization. Furthermore, an air heater and a process for detecting backflowing hot air through an air heater use a temperature sensor in an inlet area of the heater for that purpose.

Abstract: A heating system for heating air, especially for heating the interior of a motor vehicle, with a first heater (10), a second heater (12), and a flow path between the first heater (10) and the second heater (12), there being at least one auxiliary fan (50) with which a flow in the direction from the second heater (12) to the first heater (10) can be produced and a process for influencing the air flows in the heating system are designed to counteract overpressurization. Furthermore, an air heater and a process for detecting backflowing hot air through an air heater use a temperature sensor in an inlet area of the heater for that purpose.

Abstract: A heating system for heating air, especially for heating the interior of a motor vehicle, with a first heater (10), a second heater (12), and a flow path between the first heater (10) and the second heater (12), there being at least one auxiliary fan (50) with which a flow in the direction from the second heater (12) to the first heater (10) can be produced and a process for influencing the air flows in the heating system are designed to counteract overpressurization. Furthermore, an air heater and a process for detecting backflowing hot air through an air heater use a temperature sensor in an inlet area of the heater for that purpose.