Abstract: A vehicle tank for receiving a liquid medium, encompassing: a tank body having a tank wall; a heat exchanger arranged in an interior of the tank body, the heat exchanger having a first heat-exchanger heat delivery surface that faces toward the tank wall and is spaced away from the tank wall; and an electric heating apparatus that is arranged in the interior of the tank body, the electric heating apparatus being arranged between the first heat-exchanger heat delivery surface and the tank wall.

Abstract: A preform that is embodied for manufacture of a combined heating and anti-surge apparatus for automotive operating fluid tanks, in particular for automotive reservoir tanks for aqueous urea solution, encompasses a planar plastic component having at least one electrical resistance heating trace provided thereon and having anti-surge baffles embodied integrally with the planar plastic component and standing off therefrom, the planar plastic component including as functional portions a heating portion having at least one electrical resistance heating trace provided thereon and an anti-surge portion, two functional portions of the plastic component being connected to one another movably relative to one another.

Abstract: A vehicle tank, in particular for holding a fuel, in particular gasoline and/or diesel fuel, having: a first and a second partial shell, wherein the first and second partial shell are connected to one another in a partial shell joining area, and a barrier layer substantially, preferably completely, covering an outer surface of the first partial shell and an outer surface of the second partial shell, respectively, wherein the barrier layer spans the partial shell joining area on an outer surface of the vehicle tank.

Abstract: A vehicle tank for receiving a liquid medium, encompassing: a tank body having a tank wall; a heat exchanger arranged in an interior of the tank body, the heat exchanger having a first heat-exchanger heat delivery surface that faces toward the tank wall and is spaced away from the tank wall; and an electric heating apparatus that is arranged in the interior of the tank body, the electric heating apparatus being arranged between the first heat-exchanger heat delivery surface and the tank wall.

Abstract: A motor vehicle operating liquid tank, in particular for storing aqueous urea solution, with a tank shell surrounding a tank volume and with a tank opening extending through the tank shell, a planar heating device in the tank volume is provided with an electrical resistance heating track arranged sandwiched between two plastic films that oppose one another in a planar manner and encase the resistance heating track, the plastic films opposing one another in a planar manner and each have a layer of compatible, thermoplastic plastics at least on their surfaces facing one another which are connected to one another locally at least along a seam track surrounding the electrical resistance heating track, slot areas are provided inside this seam track in which plastic film sections lie opposite one another in an unconnected manner without the intermediate arrangement of a section of a resistance heating track between them.

Abstract: A heat exchanger (10) for arrangement inside a service-liquid tank (12), in particular inside a motor-vehicle service-liquid tank (12), comprising: a heat-exchanger liquid reservoir (14) for receiving a supply of liquid (22), an electric heating device (20) which is constructed and arranged for the transfer of heat into the heat-exchanger liquid reservoir (14), and a heat-exchanger line (24) which originates at least from the heat-exchanger liquid reservoir (14) and which is designed for the transfer of heat from the liquid flowing in the heat-exchanger line (24) to an area (26) outside the heat-exchanger line (24), characterized in that the heat-exchanger line (24), as a circulation line, discharges into the heat-exchanger liquid reservoir (14).

Abstract: Heating device (10), in particular for heating an operating fluid tank of a motor vehicle, preferably a tank for storage of aqueous urea solution, the heating device (10) comprising an electrical resistance heating trace (14) with a heating side (14b), on which, in intended operation, heat is emitted to a fluid to be heated, and the heating side (14b) opposing a carrier side (14a), on which the resistance heating trace (14) faces a mounting supporting it, wherein the resistance heating trace (14) is disposed between a flexible film (16) on its heating side (14b) and a substrate (12), rigid in comparison with the flexible film (16), as the supporting mounting on the carrier side (14a), which is characterized in that the resistance heating trace (14a) is connected to the rigid substrate (12) on the carrier side (14a) without intermediate arrangement of a further film.

Abstract: A preform that is embodied for manufacture of a combined heating and anti-surge apparatus for automotive operating fluid tanks, in particular for automotive reservoir tanks for aqueous urea solution, encompasses a planar plastic component having at least one electrical resistance heating trace provided thereon and having anti-surge baffles embodied integrally with the planar plastic component and standing off therefrom, the planar plastic component including as functional portions a heating portion having at least one electrical resistance heating trace provided thereon and an anti-surge portion, two functional portions of the plastic component being connected to one another movably relative to one another.

Abstract: Heating device (10), in particular for heating an operating fluid tank of a motor vehicle, preferably a tank for storage of aqueous urea solution, the heating device (10) comprising an electrical resistance heating trace (14) with a heating side (14b), on which, in intended operation, heat is emitted to a fluid to be heated, and the heating side (14b) opposing a carrier side (14a), on which the resistance heating trace (14) faces a mounting supporting it, wherein the resistance heating trace (14) is disposed between a flexible film (16) on its heating side (14b) and a substrate (12), rigid in comparison with the flexible film (16), as the supporting mounting on the carrier side (14a), which is characterized in that the resistance heating trace (14a) is connected to the rigid substrate (12) on the carrier side (14a) without intermediate arrangement of a further film.

Abstract: An electrical heating device (14) for an operating fluid tank (10) of a motor vehicle, in particular for a tank (10) for storing aqueous urea solution, having at least one PTC element (34, 36, 38, 40, 42, 44), that is disposed connecting two electrical conductors (24, 26, 28, 29), characterized in that the electrical heating device (14) comprises a multitude of PTC elements (34, 36, 28, 40, 42, 44), of which each is connectively arranged to two electrical conductors (24, 26, 28, 29), wherein at least one of the electrical conductors (24, 26, 28, 29) is configured as a laminar conductor component and forms a heat conductor for transferring the heat produced in the PTC element (34, 36, 38, 40, 42, 44) to a volume portion of the outside environment (18) of the electrical heating device (14), which is adjacent to the electrical heating device (14).

Abstract: A heating device (10) for a motor vehicle operating fluid tank, in particular for storing aqueous urea solution, wherein the heating device (10) has two electrical conductors (12, 14), an element (16) made from PTC plastic, which is electrically arranged between the two electrical conductors (12, 14) and is in electrical contact with the two electrical conductors (12, 14), and a shell (18, 20), which protects the electrical conductors and the PTC plastic element (16) from the outside environment (22) at least in some sections, which is characterized in that at least one electrical conductor (12, 14) is made at least in some sections from a metal foil (12, 14), in particular aluminum foil, and that the shell (18, 20) is an insulating surface, in particular a plastic film (18, 20) that is preferably bonded to the metal foil.

Abstract: A heat exchanger (10) for arrangement inside a service-liquid tank (12), in particular inside a motor-vehicle service-liquid tank (12), comprising: a heat-exchanger liquid reservoir (14) for receiving a supply of liquid (22), an electric heating device (20) which is constructed and arranged for the transfer of heat into the heat-exchanger liquid reservoir (14), and a heat-exchanger line (24) which originates at least from the heat-exchanger liquid reservoir (14) and which is designed for the transfer of heat from the liquid flowing in the heat-exchanger line (24) to an area (26) outside the heat-exchanger line (24), characterized in that the heat-exchanger line (24), as a circulation line, discharges into the heat-exchanger liquid reservoir (14).

Abstract: A motor vehicle operating liquid tank, in particular for storing aqueous urea solution, with a tank shell surrounding a tank volume and with a tank opening extending through the tank shell, wherein a planar heating device in the tank volume is provided with an electrical resistance heating track arranged sandwiched between two plastic films that oppose one another in a planar manner and encase the resistance heating track, the plastic films opposing one another in a planar manner and each have a layer of compatible, thermoplastic plastics at least on their surfaces facing one another which are connected to one another locally at least along a seam track surrounding the electrical resistance heating track, wherein slot areas are provided inside this seam track in which plastic film sections lie opposite one another in an unconnected manner without the intermediate arrangement of a section of a resistance heating track between them.