Abstract: An exhaust gas heat exchanger may include a housing and a heat exchanger block arranged therein, the heat exchanger block including tube plates and a tube bundle having a plurality of flat tubes held at longitudinal ends of the flat tubes in rim holes formed in a complementary manner thereto in the tube plates. A first flow path for exhaust gas may extend in the flat tubes, and a second flow path for coolant may extend around the flat tubes and within the housing. The housing may include a plurality of latching contours, which interact with a plurality of counterpart latching contours arranged on an associated tube plate to fix the tube plates and the heat exchanger block on the housing.

Abstract: An exhaust gas recirculation line may include an at least partially flexible body. The body may include a pipe section at an end. The pipe section may be closed on a front side and may include at least two openings on a jacket side.

Abstract: An intercooler assembly may include a housing and a cooler arranged therein through which charge air may be flowable. The housing may include an insertion opening through which the cooler may be insertable into the housing in an insertion direction transverse to the flow direction of the charge air. The cooler may include a pipe structure through which a coolant may be flowable, first and second end parts opposite each other transverse to the insertion direction, and third and fourth end parts opposite each other transverse to the first and second end parts and parallel to the flow direction, the end parts laterally delimiting and mechanically connected to the pipe structure. The cooler may be mechanically connected to the housing by the first end part, and at least one of the other end parts may be movably attached to the housing. The cooler may be pre-stressed against the housing by the third and/or fourth end part in a direction opposite a deformation of the cooler resulting from cooling of the charge air.

Abstract: The invention relates to an exhaust gas circulation line (1), in which exhaust gas and new intake air are mixed through a pipe section (2). It is thereby essential for the invention that the exhaust gas circulation line (1) is embodied to be at least partially flexible and that, on the one end, the exhaust gas recirculation line (1) has a closure (4) on the front side, wherein, in the area of the closure (4) on the front side, the exhaust gas circulation line (1) has at least two openings (6) on the jacket side.

Abstract: A heat exchanger may include a heat exchanger block and a diffusor connected thereto. At least one connecting pin may be integrally molded to a surface of the heat exchanger block. At least one passage opening, through which the at least one connecting pin may engage when the heat exchanger is mounted, may be arranged on the diffusor. The at least one connecting pin may have a widened head via which the diffusor may be secured to the heat exchanger block.

Abstract: An intercooler assembly may include a housing and a cooler arranged therein through which charge air may be flowable. The housing may include an insertion opening through which the cooler may be insertable into the housing in an insertion direction transverse to the flow direction of the charge air. The cooler may include a pipe structure through which a coolant may be flowable, first and second end parts opposite each other transverse to the insertion direction, and third and fourth end parts opposite each other transverse to the first and second end parts and parallel to the flow direction, the end parts laterally delimiting and mechanically connected to the pipe structure. The cooler may be mechanically connected to the housing by the first end part, and at least one of the other end parts may be movably attached to the housing. The cooler may be pre-stressed against the housing by the third and/or fourth end part in a direction opposite a deformation of the cooler resulting from cooling of the charge air.

Abstract: A heat exchanger is provided that includes a housing and an exchanger region which is arranged in the housing and has tubes and at least one base, wherein the tubes are connected to the at least one base, wherein the housing is manufactured from a plastic and has a housing inner surface, wherein the housing inner surface is covered at least in regions or in sections by at least one metallic element for protecting the housing from a thermal load. The invention further relates to a method for producing a heat exchanger.

Abstract: An exhaust gas heat exchanger may include a housing and a heat exchanger block arranged therein, the heat exchanger block including tube plates and a tube bundle having a plurality of flat tubes held at longitudinal ends of the flat tubes in rim holes formed in a complementary manner thereto in the tube plates. A first flow path for exhaust gas may extend in the flat tubes, and a second flow path for coolant may extend around the flat tubes and within the housing. The housing may include a plurality of latching contours, which interact with a plurality of counterpart latching contours arranged on an associated tube plate to fix the tube plates and the heat exchanger block on the housing.

Abstract: A heat exchanger is provided that includes a housing and an exchanger region which is arranged in the housing and has tubes and at least one base, wherein the tubes are connected to the at least one base, wherein the housing is manufactured from a plastic and has a housing inner surface, wherein the housing inner surface is covered at least in regions or in sections by at least one metallic element for protecting the housing from a thermal load. The invention further relates to a method for producing a heat exchanger.

Abstract: Disclosed is a heat exchanger, especially an exhaust gas heat exchanger, comprising a housing (101, 201, 301, 401, 501, 601, 702, 801, 901, 1101, 1401, 1501, 1901, 2001, 2101, 2201) which can be penetrated by at least one first medium (M1) and at least one second medium (M2), and at least one sealing element (213, 607, 707, 906, 1006, 1011, 1411, 1506, 2205). At least one flow means (217, 1507, 1507a, 1508, 1904, 2005, 2105, 2206, 2206a, 2206b), around which the second medium flows, is provided inside the housing, said flow means improving heat transfer from the first medium to the second medium.

Abstract: The invention relates to a heat exchanger for motor vehicles, especially for utility vehicles. The heat exchanger can include a heat exchanger unit that includes tubes having tube ends and ribs disposed between the tubes, and collecting tanks disposed on both ends and produced by internal high pressure forming for introducing and discharging a medium. The collecting tanks can include bottoms with openings for receiving the tube ends, covers, and inlet and outlet tubes.

Abstract: The invention relates to a device for cooling waste gas, comprising an inlet area (1) for guiding a flow of waste gas, an outlet area (2) for discharging the optionally cooled waste gas, and a longitudinal housing (1) for receiving exchanging means (13) for heat exchange. The flow of waste gas flows through the exchanging means (13) on the way from the inlet area to the outlet area. The inlet area (2) and the outlet area (3) are arranged respectively on end areas of the housing (1) which are opposite in relation to the longitudinal direction. The flow of waste gas flows through the exchanging means (13) on a first flow path (16) and also on a second flow path (17) which is counter thereto.

Abstract: The invention relates to a heat exchanger, particularly for a motor vehicle, comprising a housing (2) with a connection (4) for the inlet or outlet of a first fluid, wherein the first fluid can flow through the housing (2), and wherein exchange means (1) are disposed in the housing (2), the second fluid flowing through these means, wherein the first fluid flows through a control member (7), by means of which the flow of the first fluid can be varied, wherein the connection (4) has a molding (6) for retaining the control member (7).

Abstract: The invention relates to a device for controlling an exhaust gas stream, in particular of an internal combustion engine in a passenger vehicle. Said device comprises a housing that can be traversed by exhaust gas (1) and a first displaceable actuating element (5) that is supported on the housing (1). The exhaust gas stream can be selectively guided into a first exhaust gas conduit (3) and/or a second exhaust gas conduit (4) by the displacement of the first actuating element (5). A second actuating element (15) is provided on the housing (1), said actuating element controlling a variable of thee exhaust gas stream.

Abstract: The invention relates to a cooler having means for directing a cooling medium, means for directing a medium to be cooled, and an essentially axially symmetrical housing. The means for directing the medium to be cooled is arranged in such a way that the medium to be cooled, in at least one first region, flows in an essentially axial direction, and the medium to be cooled, in at least one second region, flows in a direction having a radial component. The invention also relates to a method of cooling a medium and to various uses of a cooler according to the invention.

Abstract: A plate heat exchanger comprising a plurality of plates (12,13) which are stacked against each other and which are of a first and second type in order to form flow channels for a first and second medium. The plates form a heat exchanger block (2) with an upper side and a lower side and with two opposite side surfaces (10) and front faces (9). The first flow channels are peripherally sealed for the first medium and are fluidically connected to distributor and collector channels which are arranged in a vertical position with respect to the plate plane and which lead into inlet and outlet connection pieces (6,7) which are respectively arranged on the upper side and/or lower side (3,11). The second flow channels are open at the front surfaces (9) thereof and are sealed at the side surfaces (10) thereof. The open sides (9) form an inlet and outlet plane for the second medium.

Abstract: The invention relates to a heat-exchanger device (99), in which a working medium (13) is conditioned by means of a heat-transfer medium (21). The conditioning process, which creates a desired working point, is achieved by an exchange of heat between the working medium (13) and the heat-transfer medium (21). Heat-transfer surfaces are configured in the heat-exchanger device (99), said surfaces enabling the exchange of heat in such a way that the two media (13, 21) remain separate from one another. According to the invention, said device is equipped with a chamber (10), into which the working medium (13) flows. The chamber (10) is penetrated or delimited by at least one conduit (20), which is traversed by the heat-transfer medium (21).

Abstract: The invention relates to a heat exchanger for motor vehicles, especially for utility vehicles. Said heat exchanger comprises a heat exchanger unit (2), constituted of tubes (5) having tube ends and ribs (6) disposed between said tubes (5), and collecting tanks (3, 4), disposed on both ends and produced by internal high pressure forming for introducing and discharging a medium. Said collecting tanks (3, 4) comprise bottoms with openings for receiving the tube ends, covers and inlet and outlet tubes (7, 11).

Abstract: The invention relates to a heat exchanger, in particular for motor vehicles, for a first gaseous flow medium and a second gaseous flow medium. Said heat exchanger comprises a tube bundle containing a plurality of tubes, a first tube base and a second tube base, a housing, in addition to an inlet connection and an outlet connection for the gaseous medium. The tubes comprise tube ends, which are held and sealed by the tube bases and the housing is connected on one side to the tube bases, forming a cooling chamber for the liquid flow medium and on its end face to the inlet and outlet connections.

Abstract: Disclosed is a heat exchanger comprising pipes and at least one receptacle (20). Said receptacle encompasses at least one pipe bottom (30) that is provided with passages (70), said passages (70) being surrounded by flanks (91-94).