Abstract: The invention relates to an arrangement which is used to secure a first heat exchanger to a second heat exchanger. The first heat exchanger (11) is arranged parallel to the second heat exchanger (1) and comprises a heat exchanger block (12) in addition to collector pipes arranged on both sides thereof, and which more particularly comprise an integrated collector (14). The second heat exchanger comprises a pipe/rib block provided with collector boxes (4) which are secured on both sides thereon and which are made of a casting or injection type material, especially plastic. The invention also relates to a first heat exchanger (11) which is secured by means of retaining means (16, 18) which are injected onto the collector boxes (4) of the second heat exchanger.

Abstract: A tube plate for exhaust heat exchangers, with punched openings to hold the tube ends of a tube bundle, wherein the openings are arranged grid-like with a web width b, and each of the openings has a shear surface with a height h produced by punching, and a bevel of depth t, that is manufactured before punching, and wherein the height h is roughly the same as or smaller than the web width b, is disclosed.

Abstract: The invention relates to a ventilator system, especially for cooling the engine of a motor vehicle, said system comprising at least one ventilator provided with a ventilator motor, a control appliance, and an actuator for an air flap. The inventive ventilator system also comprises a ventilator control system which is integrated thereinto and is used to autonomously control the ventilator motor(s) and the actuator(s) for air flaps.

Abstract: This disclosure relates to an electrical heating device, especially for motor vehicles, including a closed frame (2) which include rails (3, 4) and cross rails (5, 6), heating elements (7) which include elements made 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 the rails (3, 4) and a spring element (9) placed centrally which replaces the secondary surface element (8).

Abstract: The invention pertains to a stationary vehicle air conditioning system with a refrigerant circuit, in which at least one compressor circulates the refrigerant to at least two condensers. The at least one compressor may be powered by the vehicle's mechanical power, by an electrical source, or by a combination of these driving forces. Depending on desired operating characteristics, the condensers may be arranged in a series or parallel configuration. A second compressor also may be added, which second compressor may be powered by a source other than the mechanical energy of the vehicle's engine.

Abstract: The production of a thrombin preparation which is obtained from prothrombin which is, after activation to thrombin without the addition of thromboplastin, purified by a hydrophobic interaction chromatography, it being possible subsequently also to inactivate or remove viruses, is described. Before or after the hydrophobic interaction chromatography it is also possible in addition to carry out a cation exchange chromatography. A thrombin preparation which contains as stabilizer a noncovalently binding inhibitor and to which further stabilizers can be added for stabilization in the liquid state is additionally described.

Abstract: A device for exchanging heat is disclosed herein. This device may be used in motor vehicle air-conditioning installations which include at least one distribution or collection chamber for a fluid, at least one flow device which is provided with at least one first flow connection section on the end thereof, and at least one second flow connection section on the end thereof, the first flow connection section being connected to the second flow connection section by means of at least one pipe section. At least one of the flow connection sections may be twisted at least once, one flow connection section may be connected to the collection chamber, and the other flow connection section may be connected to the distribution chamber.

Abstract: The invention relates to a heat exchanger for motor vehicles, having a large number of flat tubes through which a liquid cooling medium can flow, and having corrugated fins which are associated with these flat tubes and to which environmental air or other media can be applied. The flat tubes having indentations pointing inward on at least one of their flat faces. Heat transfer between the core flow of the cooling medium and the flat tube walls is improved, and the power density of the heat exchanger is thus increased. The indentations are preferably in the form of elongated vortex generators.

Abstract: The invention relates to a cooling agent condenser (1) which comprises a finned tube block (2), collecting tubes (5) arranged on both sides thereof and a manifold (6) which is disposed in a parallel position with respect to the collecting tube (5) and connected to a cooling agent and said collecting tube (5) by means of an overflow opening (8, 9). Said manifold is embodied in the form of a monoblock tube.

Abstract: A control device for gas is provided with a pivotable flap mounted between side walls of a guide duct. A receiving pocket for the insertion of a drive element (motor) is provided on one of the side walls and is oriented in such a way that, after insertion, the output shaft of the drive element is in engagement with the flap. This receiving pocket may be arranged so that the drive element is inserted coaxially with respect to the pivot axis of the flap or transversely thereto, or if the receiving pocket extends into the interior of the duct, the pivot flap is provided with a corresponding cut-out.

Abstract: Use of plasma proteins concentrates containing VWF with a high proportion of high molecular weight multimers prevents a bleeding diathesis and reduces pre-, peri- and postoperative blood loss in acquired Von Willebrand syndromes such as in cardiovascular diseases requiring surgical procedures, especially those requiring extracorporeal circulation.

Abstract: A motor vehicle air-conditioning system (1), including a plurality of air ducts (7?, 7?) having a flap for controlling the air flow therein. A single flap (6) is provided for controlling at least two air ducts (7?, 7?) which serve for the temperature stratification of the air streams.

Abstract: The invention relates to a heat exchanger (10), in particular, for exhaust coolers on internal combustion engines. The aim of the invention is to provide a separation of the carrier medium flow into two partial flows as leak free as possible, by suitable embodiment of the baffle plate (40). A heat exchanger (10) as used, in particular, as exhaust gas cooler for internal combustion engines, comprises a heat exchanger channel (14) and a bypass channel (11), whereby a switching flap (20) is arranged upstream of the heat exchanger (10) in the flow channel (25), which divides the incoming carrier medium into the heat exchanger channel (14) and the bypass channel (11). A baffle plate (40) is provided to maintain the separation between the partial flow through the bypass channel (11) and the partial flow through the heat exchanger channel (14), which, according to the invention, extends from the switching flap (20) to the beginning of the bypass channel (11).

Abstract: The invention relates to a method for coating heated work pieces.

Abstract: The invention relates to a cooling device (1) for a motor vehicle with a combustion engine (2) comprising a coolant radiator (5) through which air can flow, an axial blower (3) which is arranged behind the coolant radiator (5) in the airflow direction (L), [and] a shroud (6), arranged between the coolant radiator (5) and the axial blower (3), with a shroud ring (7) in which the axial blower (3, 3b) is arranged so it can turn. It is proposed to widen the shroud ring (7) on the air outflow side radially into a flow guidance device (8).

Abstract: The invention relates to a device for the exchange of heat, in particular, for a motor vehicle, comprising a number of flow tubes for the transport of a fluid, whereby the device has a given depth (T) and, at least in sections, some flow tubes are arranged at a given separation from each other, whereby the depth and the given separation are in a ratio (V) to each other.

Abstract: The invention relates to an system, especially a turbo-compressor system pertaining to a motor vehicle comprising an internal combustion engine with exhaust gas recirculation. Said system comprises an exhaust gas cooler (2) and a charge air cooler (1) for cooling recirculate exhaust gases and/or charge air, a compressor (V) for compressing the charge air, and at least on condenser (3).

Abstract: The invention relates t a heat exchanger, in particular a radiator for motor vehicles comprising a black consisting of tubes and ribs and a lower and upper collection chamber, the lower collection chamber having several chambers which are separated from one another by partitions and between which a fluidic connection can be established. If necessary, by means of a displaceable actuator via connection orifices (17, 18, 19) that are located in a connection channel (16). According to the invention, the actuator is configured as a piston (30) that can be displaced axially between an open and a closed position and the cross-sections of the connection channel (16) and the piston (30) taper from the exterior to the interior in the vicinity of the connection orifices (17, 18, 19).

Abstract: The invention relates to an air-conditioning system (1), especially an automotive air-conditioning system, which comprises an air conduction housing (1) and components disposed therein, such as at least one heater (H; h) and one insert (E; F) for supplying and/or mixing the air. Said insert (E; F) and/or the air conduction housing (1) comprises elements, especially flaps, which can be interlinked either directly or indirectly and can be regulated together, thereby converting a multi-zone air-conditioning system into an air-conditioning system with fewer zones.

Abstract: The invention relates to a heat exchanger assembly (1), in particular a radiator assembly for the front section of a motor vehicle, comprising a heat exchanger (2, 3). According to the invention, the heat exchanger (2, 3) is configured in several parts in the form of heat exchanger elements, i.e. at least one primary heat exchanger (2) and at least one secondary heat exchanger (3), and at least two of the heat exchanger elements can be displaced in relation to one another in the event of a crash.