Abstract: The invention relates to a flow channel of a heat exchanger with two parallel heat transfer areas that are arranged at a distance corresponding to a channel height 11. Each heat transfer area (F1, F2) is provided with a structure that is formed by a plurality of structural elements which are placed next to each other in rows running perpendicular to the direction of flow P and extend into the flow channel. Each structural element has awidth B, a length L, a height h, a flow-off angle a, and an overlap U while being provided with a longitudinal axis.

Abstract: The invention relates to a circuit (1) for protecting against overload of an electric motor (2), more particularly an electrically powered air blower for a vehicle, with the purpose of providing sufficient and appropriate protection even when several electric motors are connected in series. Said circuit is provided with at least one switching element (6) for controlling two series connected electric motors (2) independent of revolutions, in which a switch element (14) configured as a make contact element (12) is connected in parallel to the electric motor (2), said switch element causing short circuiting of the corresponding electric motor (2) in case of overheating.

Abstract: A stabilized liquid preparation of a protease which activates blood coagulation Factor VII or of its proenzyme is herein described. The preparation also contains one or more compounds selected from the group consisting of ornithine, diaminopimelic acid, agmatine, creatine, guanidinoacetic acid, acetylornithine, citrulline, arginoinosuccinic acid, tranexamic acid and epsilon-aminocaproic acid or their salts and has a pH of 2–8.

Abstract: This application includes description of antibodies for specifically detecting prions of human origin and methods for detecting pathogenic prions. In some embodiments, the antibodies bind to an epitope characteristic for a human prion protein which is not found in the prion proteins of other species. In some embodiments, the antibodies are not cross-reactive with cow, Syrian Gold hamster, mouse, or rat prions. The application also includes a conformation-dependent immunoassay method for detecting pathogenic prions in a sample containing a prion (PrP) protein. The PrP protein may be present in a first conformation and a second conformation, such as PrPC and PrPSc in which the two conformations have different binding affinity for the antibody used to detect them.

Abstract: A heat exchanger, preferably an oil cooler (1) for a motor vehicle, comprises stacked flat tubes (2, 3, 4), which have tube ends with apertures for admitting and discharging oil, which flows through the flat tubes (2, 3, 4) in their longitudinal direction. The apertures of adjacent flat tubes (2, 3, 4) are in fluid communication with one another in order to form flow passages, and spacings are left between the flat tubes for a medium, in particular a cooling medium, to pass through. The flat tubes are designed as extruded multi-channel tubes.

Abstract: The invention relates to a fixing means for an oil cooler (18) that is fixed in an oil cooler receiving element (10). According to the invention, said fixing means has a latch connection between the oil cooler receiving element (10) and the oil cooler (18). The use of a latch connection is advantageous because it can be easily produced during assembly of the oil cooler.

Abstract: The invention relates to a heat exchanger for a motor vehicle. Said heat exchanger especially comprises a heat exchanging module provided with a plurality of pipes and corrugated ribs which are interconnected in the form of a network structure, and two lateral parts (1) which border the heat exchanging module on opposite sides. At least one break-off point (8) is provided on a lateral part (1).

Abstract: A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) produced by this method.

Abstract: The invention relates to a fluid friction coupling comprising a drive shaft (2) and a drive disk (4) which is rotationally fixed thereon, in addition to a drive housing (5) which is rotationally arranged on the drive shaft (2). The drive disk forms a working area (7) and a storage area (9) enabling a fluidic connection for a viscous medium via a feed hole (11) and a return channel (8). The feed hole (11) is controlled by a valve lever (12) with an anchor plate (14) by means of an electromagnet (19) arranged on the near side of the coupling. According to the invention, the valve lever (12) is arranged between the drive disk (4) and the electromagnet (19) and the anchor plate (14) is arranged in the magnetic flow area of the electromagnet (19, 20).

Abstract: Disclosed is a component (1), particularly a crossbeam that is to be disposed between the A-shaped columns of a motor vehicle. Said component (1) comprises an essentially tubular or other elongate metallic basic member (1) to which a plastic (7) channel (2), especially a ventilation channel, is connected at least in part within the profile of said basic member (1), and a joining part (4) that is mechanically connected to the basic member (1) or a part rigidly connected thereto and is used for fixing another component. Said joining part (4) forms a material bond with the basic member (1) or a part rigidly connected thereto at a joining point (5), thus creating an intermediate area (12) so as to reduce heat transfer between the joining part (4) and the plastic (7) of the channel (2) and/or drain away a gas produced during the joining process.

Abstract: The invention relates to an exhaust-gas heat exchanger, in particular an exhaust-gas cooler (1) for exhaust-gas recirculation (AGR) in motor vehicles equipped with channels, through which exhaust gas flows. According to the invention, a catalyst (8), in particular an oxidation catalyst, is connected upstream of the exhaust-gas heat exchanger (1).

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 an electrical heating device, especially for motor vehicles, comprising a closed frame (2) consisting of rails (3, 4) and cross rails (5, 6), heating elements (7) consisting of electrically conductive plastic layers (18) having PCT effect, which are arranged between contact plates (15, 16), heat-conducting secondary surface elements (8) that can be overflown by air and at least one electrically conductive spring element (9), wherein the heating elements (7) and the secondary surface elements (8) are alternatingly arranged next to one another and are braced against each other by means of the rails (3, 4) and a spring element (9) placed centrally which replaces the secondary surface element (8).

Abstract: The invention relates to a coolant condensing device, in particular for a motor vehicle comprising a plurality of flow elements which are essentially parallel with respect to each other, two distribution devices and/or collectors which are fluidly connected to the corresponding terminal parts of the flow elements, at least one dividing device which separates the distribution devices and/or collectors into at least one first and one second essentially gas and liquid-tight areas, at least one collector which is essentially parallel with respect to at least one of the distribution devices and/or collectors, said collector being provided with at least two fluidic connections to different areas of the distribution devices and/or collectors, and at least one filtering device and/or drying device. Said invention is characterised in that the coolant flow direction in at least one fluidic connection is at least essentially parallel with respect to the coolant flow direction inside the collector.

Abstract: Disclosed is a device (1) used for exchanging and delivering heat, especially for a motor vehicle comprising an apparatus for delivering an especially gaseous medium, a heating apparatus (5) for heating at least one portion of the gaseous medium, at least one space (7) that is disposed downstream of the heating apparatus relative to the direction of flow of the gaseous medium, at least two ducts (12a, 12h, 12c, 12d) for the gaseous medium, which originate within said space and extend into at least two air conditioning zones of the interior of the motor vehicle. A control mechanism which regulates the quantity of the medium flowing through the duct is provided inside at least one of the ducts while the heating apparatus is provided with at least two, preferably a plurality of, throughput devices for a second medium, at least two of said throughput devices being designed in a different manner.

Abstract: The invention relates to an exhaust-gas thermal conductor (1), comprising a tube array with exhaust gas flowing therethrough and cooling medium flowing around the same. The tube array is welded to a tube base (5), connected to the housing (2). As a result of varying temperature effects on the tubes and on the housing (2) whilst operating the exhaust gas thermal conductor (1), thermal stresses, as a result of differing expansion of the tubes and the housing (2), occur. According to the invention, said stresses may be avoided, whereby slots (8-10) are arranged in the housing sleeve (2), which are externally sealed by means of a bellows.

Abstract: A heat exchanger for a motor vehicle, in particular a coolant/air cooler (2?), is designed to be fastened to a lower support and an upper transverse support in the motor vehicle by means of upper and lower fastening elements. The heat exchanger (2?) has at least one plastic collecting tank (6?, 7?) onto which the fastening elements can be injection molded. The fastening elements (10?, 11?, 12?, 13?) can be produced with different positions and/or different dimensions, e.g., two positions and/or two dimensions. An injection molding die having interchangeable inserts is preferably employed to produce a series of header tanks differing only in the positions and/or dimensions of the fastening elements.

Abstract: The invention relates to an exhaust gas heat exchanger comprising a bundle of pipes consisting of exhaust gas pipes and a bypass channel in a common housing. The pipe bundle is arranged in a first chamber that is crossflown by a liquid coolant and the bypass channel is arranged in a second, separate chamber. The pipe bundle and the by pass channel lead into a common exhaust gas inlet area and a common exhaust gas outlet area in which an exhaust gas valve actuated by a servo-drive is arranged, said valve guiding the exhaust gas flow through the pipe bundle or the bypass channel. According to the invention, the exhaust gas valve has a movable closing organ that is resistant to bending, said organ being preferably embodied as a pivoting semi-flap that is fixed with a longitudinal side to a drive shaft that is arranged crosswise relative to the exhaust gas flow.

Abstract: The invention relates to a heat exchanger (10) with tubes (80) and a collector box (20). Said collector box (20) has a tube-plate (30) with tube openings (60) and with angled or rounded lateral regions (110,120).

Abstract: A heating and air-conditioning system for a motor vehicle has a conditioning housing that includes a connecting section which is provided with at least one air outlet opening. Using connecting structure on the connecting section, the air outlet opening may be connected to either an attachable rear vehicle compartment temperature-control unit or closed tightly, in a leak-proof manner, by a removable covering part.