Abstract: The invention relates to a method for sprinkling a heat exchanger of a fuel cell vehicle with a fluid. The heat exchanger comprises a sprinkling surface and at least one group with at least one part surface. All part surfaces of all groups together fully represent the sprinkling surface. In the method, all part surfaces of the group are sprinkled with the fluid within a sprinkling period and not sprinkled within a drying period. The invention also relates to a sprinkling system for carrying out the method.

Abstract: A device, e.g., a heat exchanger, is disclosed. The device includes a first component and a second component. The first component has at least a first surface portion and a second surface portion. The first surface portion and the second surface portion are located opposite to one another and are spaced apart from one another. The first component includes a first support groove provided at the first surface portion and a functional groove provided at the first surface portion. The functional groove is arranged spaced apart from the first support groove at least in some sections. The functional groove is structured and arranged for partially receiving a second component for a substance-to-substance bond.

Abstract: The present disclosure concerns a method for embossing a component, a method for connecting a component to a second component via a substance-to-substance bond, and a device, e.g., a heat exchanger, having such a component. The method for embossing includes embossing a support groove into the component at least in some sections at a first surface portion of the component; embossing a functional groove into the component at the first surface portion; wherein the functional groove is arranged spaced apart from the support groove at least in some sections; and wherein the functional groove is formed for partially receiving a second component for a substance-to-substance bond.

Abstract: The present disclosure concerns a method for embossing a component, a method for connecting a component to a second component via a substance-to-substance bond, and a device, e.g., a heat exchanger, having such a component. The method for embossing includes embossing a support groove into the component at least in some sections at a first surface portion of the component; embossing a functional groove into the component at the first surface portion; wherein the functional groove is arranged spaced apart from the support groove at least in some sections; and wherein the functional groove is formed for partially receiving a second component for a substance-to-substance bond.

Abstract: A heat exchanger is provided that includes a first tube/fin block, first headers arranged on both sides of the first tube/fin block, which first headers communicate with the tubes of the first tube/fin block, and a second tube/fin block having second headers arranged on both sides of the second tube/fin block, which second headers communicate with the tubes of the second tube/fin block, wherein the first tube/fin block having the corresponding first headers is an air-cooled low-temperature coolant cooler and the second tube/fin block having the corresponding second headers is an air-cooled refrigerant cooler, wherein the headers of the first tube/fin block arranged on a respective side of the tube-fin block and a header of the second tube/fin block are connected to one another.

Abstract: A device for exhaust gas recirculation for a combustion engine is provided that includes an exhaust gas pipe configured to conduct exhaust gas and a channel configured to conduct air to the combustion engine. The exhaust gas pipe terminates in the channel, wherein the exhaust gas pipe, in an area of insertion in the channel exhaust, is in thermal exchange with a coolant from a coolant circuit.

Abstract: A front-end module for vehicles which comprises a mounting member with a plurality of sections extending in different directions to accommodate vehicle components wherein a component provided as a cooling module is by means of fixing elements secured to said mounting member in a central area thereof and wherein an air guide unit is disposed adjacent to said mounting member which unit comprises at least one air guide element made of a foamed material.

Abstract: A heat exchanger unit for motor vehicles includes one first heat exchanger and one second heat exchanger. Each heat exchanger includes two collector pipes which are arranged at a distance from each other. One collector pipe of the first heat exchanger is arranged substantially adjacent to one collector pipe of the second heat exchanger. Also, the other collector pipe of the first heat exchanger is arranged substantially adjacent to the other collector pipe of the second heat exchanger.

Abstract: A device for exhaust gas recirculation for a combustion engine is provided that includes an exhaust gas pipe configured to conduct exhaust gas and a channel configured to conduct air to the combustion engine. The exhaust gas pipe terminates in the channel, wherein the exhaust gas pipe, in an area of insertion in the channel exhaust, is in thermal exchange with a coolant from a coolant circuit.

Abstract: The invention relates to a casing for holding a coolant for a heat exchanger (1) for motor vehicles, said casing having two side walls (22, 24, and 22a, 24a), two front walls (26, 28 and 26a, 28a), a cover (18 and 18a) and a base (20 and 20a) lying opposite the cover (18 and 18a), said base being provided with one or more openings (60) for receiving tubes, According to the invention, the casing consists of a single formed, in particular folded, shaped part, said formed shaped part, in particular a sheet metal blank, forming the two side walls (22, 24 and 22a, 24a), the two front walls (26, 28 and 26a, 28a), the cover (18 and 18a) and the base (20 and 20a).

Abstract: The invention relates to a casing for holding a coolant for heat exchanger (1) for motor vehicles, said casing having two side walls (22, 24 and 22a, 24a) two front walls (26, 28, and 26a, 28a), a cover (18 and 18a) and a base (20 and 20a) lying opposite the cover (18 and 18a), said base being provided with one or more openings (60) for receiving tubes, in particular connecting tubes such as flat tubes. According to the invention, the base (20 and 20a) and at least one of the two side walls (26, 28 and 26a, 28a) consist of a one-piece shaped part, produced in a forming method.

Abstract: The invention relates to a heat exchanger (5) comprising a block (2) which is provided with parallel ducts and can be penetrated in opposite directions in at least two passages (2a, 2b) by a medium that is to be cooled. A bypass duct (6) which be penetrated by the medium that is to be cooled is assigned o the first passage (2a).

Abstract: The invention relates to a heat exchanger module (1) for a motor vehicle, comprising at least one heat exchanger (2), preferably a coolant cooler, and laterally arranged plastic module supports (11, 12) which retain the heat exchanger module (1) and support the same on the vehicle. According to the invention, the heat exchanger (2) is provided with two receptacles (4, 5) having two longitudinal faces, one lateral face, and two front faces (4a, 4b, 4c; 5a, 5b, 5c) while the module supports are embodied as slip-on boxes (11, 12) which have the shape of the receptacles (4, 5), embrace the longitudinal, lateral, and front faces (4a, 4b, 4c-, 5a, 5b, 5c) thereof in a positive manner, and are secured to the front faces (4c, 5c) by means of locking hooks and/or snap-in hooks.

Abstract: This present invention relates to a front-end module for vehicles which comprises a mounting member with a plurality of sections extending in different directions to accommodate vehicle components wherein a component provided as a cooling module is by means of fixing elements secured to said mounting member in a central area thereof and wherein an air guide unit is disposed adjacent to said mounting member which unit comprises at least one air guide element made of a foamed material.

Abstract: The invention relates to a cooling circuit of an internal combustion engine of motor vehicles, comprising a main cooling circuit that encompasses a section located upstream of the radiator, a main radiator, a radiator return path, a coolant pump, a main thermostat, and a bypass or short circuit which is disposed between the main thermostat and the coolant pump. Said cooling circuit further comprises a low-temperature circuit encompassing a low-temperature radiator, a low-temperature radiator return path, a valve unit, and an additional heat exchanger.

Abstract: A heat exchanger unit for motor vehicles includes one first heat exchanger and one second heat exchanger. Each heat exchanger includes two collector pipes which are arranged at a distance from each other. One collector pipe of the first heat exchanger is arranged substantially adjacent to one collector pipe of the second heat exchanger. Also, the other collector pipe of the first heat exchanger is arranged substantially adjacent to the other collector pipe of the second heat exchanger. One and/or the transversal sections of the covering wall of the collector pipe does not have a circular shape, the sections being perpendicular to the longitudinal axis of a collector pipe of the first heat exchanger.

Abstract: The invention relates to a metal side-plate for a radiator, in particular a tubular radiator, such as those found in motor vehicles with combustion engines. According to the invention, the metal side-plate (20) is secured to securing points (13) on both sides of the collecting tubes (12) and a longitudinal slot (21) is introduced into the metal side-plate on at least one side in the region of the fixing. The fixing points (13) on the metal side-plates (20) are embodied on collecting tubes (12) on one side of the longitudinal slot.

Abstract: A heat exchanging unit for motor vehicles, having a first heat exchanger that has two headers that are situated parallel to one another and at a distance from one another and that are connected to one another fluidically via a multiplicity of connecting pipes situated parallel to one another and at a respective distance in the longitudinal direction of the headers, the connecting pipes opening into the first header asymmetrically with respect to the width of the pipe floor situated perpendicular to the longitudinal first header axis, and the second wall segment, in the cross-section regarded perpendicular to the header longitudinal axis, becoming increasingly further removed from the first end of the pipe floor as the wall segment extends towards the second end area of the pipe floor, regarded in the direction perpendicular to the longitudinal axis of the connecting pipes and perpendicular to the longitudinal header axis.

Abstract: The invention relates to a heat exchanger module (1) for a motor vehicle, comprising at least one heat exchanger (2), preferably a coolant cooler, and laterally arranged plastic module supports (11, 12) which retain the heat exchanger module (1) and support the same on the vehicle. According to the invention, the heat exchanger (2) is provided with two receptacles (4, 5) having two longitudinal faces, one lateral face, and two front faces (4a, 4b, 4c; 5a, 5b, 5c) while the module supports are embodied as slip-on boxes (11, 12) which have the shape of the receptacles (4, 5), embrace the longitudinal, lateral, and front faces (4a, 4b, 4c-, 5a, 5b, 5c) thereof in a positive manner, and are secured to the front faces (4c, 5c) by means of locking hooks and/or snap-in hooks.

Abstract: The invention relates to a cooling circuit of an internal combustion engine of motor vehicles, comprising a main cooling circuit that encompasses a section located upstream of the radiator, a main radiator, a radiator return path, a coolant pump, a main thermostat, and a bypass or short circuit which is disposed between the main thermostat and the coolant pump. Said cooling circuit further comprises a low-temperature circuit encompassing a low-temperature radiator, a low-temperature radiator return path, a valve unit, and an additional heat exchanger.