Abstract: An air-conditioning system for air-conditioning an interior of a vehicle may include a fan for driving air. The system may include a control device that may include a circulating air inlet for drawing in circulating air from the interior, a fresh air inlet for drawing in fresh air from an environment of the vehicle, and an air outlet. The control device may include a control valve adjustable between a circulating position and a fresh air position. The control valve may include at least one non-return check valve. The non-return check valve may permit a flow to pass through the control valve in one direction and block the flow in an opposite direction.

Abstract: A heating and cooling apparatus for a battery may include a base plate in which at least one fluid path for flowing-through of at least one of a coolant and a refrigerant is provided. At least one support part may be provided, in which in each case at least one electrical heating element is provided that is thermally coupled to the base plate. The heating and cooling apparatus may include a cover plate. The base plate, the at least one support part and the cover plate may be arranged adjacent to one another along a stack direction.

Abstract: A heating and cooling device for a battery may include an electrically conductive base plate for thermal coupling to the battery. The base plate may include at least one fluid path for flowing through by a coolant. The device may include a carrier plate of an electrically non-conductive material, into which at least one electric heating element may be inserted. The carrier plate may be connected electrically with the electrically conductive base plate. An electrically conductive cover plate may be connected electrically with the electric heating element. The base plate, the carrier plate and the cover plate may be stacked on one another along a stacking direction.

Abstract: An electric heater is provided that includes at least two groups of heating elements which change their temperature by electrical power consumption, comprising a control unit with two switch arrangements such that the first switch arrangement includes at least two power switches for switching the at least two groups of heating elements in a High-side connection and such that the second power switch arrangement includes at least two switches for switching the at least two groups of heating elements in a Low-side connection.

Abstract: The invention relates to a heating device having a housing and having a fluid duct which is arranged in said housing and which has a fluid inlet and a fluid outlet, wherein, in the housing, there is provided an element which generates an alternating magnetic field and which is separated from the fluid duct in a sealed manner by at least one wall, wherein furthermore, at least one metallic areal heating element is provided which can be heated by the alternating magnetic field, wherein the at least one areal heating element is arranged in the fluid duct.

Abstract: The invention relates to an air-conditioning system for a motor-driven vehicle, having a refrigerant circuit (20) with a plurality of heat exchangers (4, 24) through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, with it being possible for the heat exchangers (4, 24) to be operated as heaters or as evaporators as a function of the operating state of the air-conditioning system, and at least one third heat exchanger (16) is provided in the refrigerant circuit (20), which third heat exchanger (16) serves for an exchange of heat with a coolant circuit (13) which is formed separately from the refrigerant circuit (20). The vehicle can be both a motor vehicle and also a fuel-cell-driven vehicle.

Abstract: An exhaust gas recirculation system is provided that includes an internal combustion engine, which is supplied with exhaust gas, diverted at a removal point and returned via a return point and/or charge air, having a heat exchanger arranged between the removal point and the return point, for the returned exhaust gas and/or the charge air, and having an exhaust gas recirculation valve, by means of which the amount of returned exhaust gas and/or charge air can be regulated. To provide an exhaust gas recirculation system, which has a simple structure and can be manufactured cost-effectively, the exhaust gas recirculation valve is connectable between the removal point and the heat exchanger.

Abstract: An electric heater is provided that includes at least two groups of heating elements which change their temperature by electrical power consumption, comprising a control unit with two switch arrangements such that the first switch arrangement includes at least two power switches for switching the at least two groups of heating elements in a High-side connection and such that the second power switch arrangement includes at least two switches for switching the at least two groups of heating elements in a Low-side connection.

Abstract: The invention relates to an added electrical heater (1), especially for a heating system or air conditioner of a motor vehicle. A plurality of heating elements (2) are provided which are formed by PTC elements while being fitted with at least one electrically conducting coating (3).

Abstract: The invention relates to a heating assembly (1) comprising at least one PCT element, in particular for a motor vehicle, said PCT element (2) being located between two contact sheets (3, 4), which are used to make electrical contact. According to the invention, the heating assembly (1) comprises a frame (7) and at least one of the two contact sheets (3)comprises a staggered section outside the frame (7), said staggered section of the projecting part (10) of the contact sheet (3) running parallel with the remaining part (11) of said sheet (3).

Abstract: A constructional unit for a heat exchanging device that includes at least one housing in which a gaseous medium is at least partially guided on a predetermined path, an inlet device for the gaseous medium, at least one first heat exchanging device, at least one second heat exchanging device, at least one controller that influences the direction of flow of the gaseous medium in at least some sections and that can be adjusted to at least two different positions, and an outlet device for the gaseous medium. In at least one first position of the first controller, substantially no portions of the gaseous medium are guided through the first heat exchanging device.

Abstract: The invention relates to a heating assembly comprising at least one PTC element, in particular for a motor vehicle. According to the invention, the PTC element (2) is positioned between metal sheets (3, 4), which are used to make electrical contact, said sheets (3, 4) and the PTC element (2) are bonded by means of an adhesive (5) and the adhesive (5) has a minimum specific electrical resistance of 50 ohms×cm and a maximum specific electrical resistance of 500 ohms×cm. In addition, solder can be used as an alternative to the adhesive (5).

Abstract: The invention relates to a heating system (1), especially for a motor vehicle, comprising at least one PTC element and a housing (7) which contains the PTC element and through which the air to be heated flows. The invention heating system also comprising a heating control device (3) which is at least partially arranged in the housing (7) and comprises at least one cooling body (6) arranged in the air stream of the air to be heated. A blower control device (5) is arranged in the housing (7), next to the heating control deice (3).

Abstract: A device for exchanging heat for motor vehicles, having at least one first component connected to an electrical power supply and whose temperature varies dependent on current flowing through the component, at least one second component including at least one first and at least one second part element each of which are at least indirectly conductively connected to the first component, wherein at least one part element includes a first connecting means and at least one electrical contact means which is at least indirectly conductively connected to at least one part element of at least one second component and serves to connect an electrical power supply wherein the contact means includes at least one second connecting means.

Abstract: The invention relates to a heating assembly (1) comprising at least one PCT element, in particular for a motor vehicle, said PCT element (2) being located between two contact sheets (3, 4), which are used to make electrical contact. According to the invention, the heating assembly (1) comprises a frame (7) and at least one of the two contact outside the frame (7), said staggered section of the projecting part (10) of the contact sheet (3) running parallel with the remaining part (11) of said sheet (3).

Abstract: The invention relates to an air-conditioning unit, in particular, a motor vehicle air-conditioning unit, whereby a part of the housing has a different embodiment for air-conditioning units with differing zones and at least the arrangement of a fan, an evaporator and a heater is the same for the different-zoned air-conditioning units. The housing of the air-conditioning unit may have various embodiments for different versions and/or may be varied by add-on or exchangeable components and, for a multi-zoned embodiment of the air-conditioning unit, a bypass for the floor region is provided in a region of the housing, which diverts from the heater, whereby said bypass is embodied in a region which is redundant in an air-conditioning unit with fewer zones.

Abstract: The invention relates to an electrical heating arrangement, especially for a motor vehicle, said arrangement comprising an air channel housing (20) through which air to be heated flows as required, and an electrical heating clement (2) which is arranged in the air channel housing (20). The invention is characterised in that the electrical heating element (2) is arranged directly in the air channel housing (20).