Abstract: An air outflow device for a motor vehicle, having at least one fed-in air stream, wherein an outflow characteristic of the air outflow device can be changed between a dispersal characteristic and a spot characteristic, with the outflow characteristic being changed by an adjustable swirl on at least one outflowing air stream. Also an air outflow method using an adjustable swirl to adjust an outflow characteristic of an air stream.

Abstract: The invention relates to an air vent (1), especially for a motor vehicle, comprising an air channel for supplying air, and an air guiding device (4). The air channel is divided into at least two essentially cylindrical partial channels (11a, 11b) in the air guiding device (4), said cylindrical partial channels (11a, 11b) being parallel to each other. Especially other partial channels (12a, 12b) provided in the inventive air vent generate a swirling flow.

Abstract: The invention relates to a control device (1) for controlling airflows in motor vehicles, comprised of a frame having at least one passage opening (4) and at least one controlling means, which is provided in the form of a roller louver (5) and which serves to modify the passage cross-section for the air flowing through the passage opening (4). The frame comprises a housing (2) with at least two hollow bodies (8) that are open along the longitudinal sides. These hollow bodies (8) accommodate the drive shaft (6) or the return shaft (7) for the roller louver (5), and each have a pivotal cover (8.3) for opening the respective hollow body (8). The control device (1) can be mounted inside airflow ducts of a heating and/or air-conditioning system for motor vehicles.

Abstract: The present invention relates to a shortened process for preparing L-lobeline by rhodium-catalysed asymmetric hydrogenation on an industrial scale.

Abstract: A device for ventilating vehicles, with at least one nozzle (3), the discharging direction of which can be adjusted, and with an actuating device (20), which is at least partially arranged outside the nozzle (3), in order to adjust the discharging direction of the nozzle. In this case, the actuating device (20) has a first actuating element which is rotatable about a first geometrical axis and a second actuating element which is rotatable with respect to a second geometrical axis (Y), for adjusting the discharging direction. Furthermore, an operating device (26) is provided for operating the two actuating elements (23, 24), the operating device being connected to the actuating elements (23, 24) in such a manner that operation of the operating device in a first operating direction moves the first actuating element and operation of the operating device in a second operating direction moves the second actuating element.

Abstract: The invention relates to a heat exchanger of a plate-type construction having first flow channels for a first medium, each formed by a pair of plates, and having corrugated ribs, around which a second medium flows, arranged between neighboring plate pairs. In order to provide an improved heat exchanger which allows a more compact construction of the plant when used in a heating or air conditioning unit of a motor vehicle, it is proposed that the corrugated ribs and at least one of the neighboring plate pairs form second flow channels for the second medium and the second flow channels have a curved course, so that the second medium undergoes a change of flow direction on flowing through the heat exchanger.

Abstract: The invention relates to a method for regulating an air nozzle (3) for air-conditioning a motor vehicle. An actuator which is used to control a ventilation device and/or an actuator which is used to control the width of the air jet and/or an actuator which is used to control the direction of air and/or a heating device are associated with said air nozzle (3). At least one sensor, which is used to receive measuring values, is provided. The adjustment of the air nozzle (3) is regulated according to measuring values of the sensor.

Abstract: The invention relates to an air discharging device (1), especially for a heating or air conditioning system of a motor vehicle. The inventive air discharging device (1) comprises a discharge nozzle (2), air flow-directing elements (4), e.g. lamellae and/or flaps, and at least one electrically triggerable actuator (6), e.g. a servo motor, a DC motor with a gear mechanism, or a stepping motor. Each actuator (6) is effectively connected to one or several air flow-directing elements (4) in such a way that the position of said air flow-directing elements (4) changes when the actuator (6) is actuated, resulting in the air flow being deflected in a selectable direction or an air flow being prevented from being discharged. The inventive air discharging device (1) allows the direction of discharge of the air flow to be adjusted or, if necessary, the air discharging device (1) to be blocked in a remote controlled manner without manual intervention.

Abstract: The invention relates to a roller belt cassette for use in a control device (1) serving to control airflows in motor vehicles, comprised of a roller belt subassembly having a roller louver, which is formed by a roller belt (5), and at least two shafts (6, 7) of which one is a drive shaft (6) and the other is a return shaft (7). The roller belt (5) is formed by an endless belt or is provided in the form of an endless belt. The roller belt cassette can be mounted inside airflow ducts of a heating and/or air-conditioning system for motor vehicles.

Abstract: Disclosed are processes for preparing levosalbutamol or the pharmacologically acceptable salts thereof on an industrial scale, using asymmetric hydrogenation as the key step and optionally a special sequence of subsequent steps, using rhodium as catalyst and a chiral bidentate phosphine ligand such as (2R, 4R)-4-(dicyclohexylphosphino)-2-(diphenyl-phosphino-methyl)-N-methyl-aminocarbonyl-pyrrolidine as catalyst system.

Abstract: The invention relates to an air vent (1) especially for a motor vehicle, comprising an air channel for supplying air and an air guiding device (4). The air channel is divided into at least two essentially cylindrical partial channels (11a, 11b) in the air guiding device (4), said cylindrical partial channels (11a, 11b) being parallel lo each other. Especially other partial channels (12a, 12b) provided in the inventive air vent generate a swirling flow.

Abstract: The invention relates to a nozzle array (4), especially for a ventilation system of a motor vehicle, comprising a nozzle (1) arranged on one end of the flow channel and a grid (2) arranged in the outlet of the nozzle, wherein the grid (2) covers partly the outlet of the nozzle so that said nozzle (1) is substantially invisible for a passenger.

Abstract: The invention relates to an air extracting device (1) and a corresponding method for extracting air which is used, in particular for a vehicle and comprises at least one supplied air stream (8). The out-flowing characteristic of the inventive device (1) varies between a scattering characteristic (12) and a spot characteristic (13) and can be modified by the adjustable rotation of at least one out-flowing air stream (20).

Abstract: The present invention relates to an improved process for preparing levosalbutamol or the pharmacologically acceptable salts thereof on an industrial scale, using asymmetric hydrogenation as the key step and optionally a special sequence of subsequent steps, using rhodium as catalyst and a chiral bidentate phosphine ligand such as (2R,4R)-4-(dicyclohexylphosphino)-2-(diphenyl-phosphino-methyl)-N-methyl-aminocarbonyl-pyrrolidine as catalyst system.

Abstract: The invention relates to a process for preparing the compounds of general formula I by enantioselective hydrogenation of the compounds of formula II in the presence of special hydrogenation catalysts. The invention is characterised by high enantioselectivity, providing easy access to a category of important pharmaceutical compositions, i.e. intermediates for the synthesis of tipranavir.

Abstract: The present invention relates to a shortened process for preparing L-lobeline by rhodium-catalysed asymmetric hydrogenation on an industrial scale.

Abstract: The invention relates to a heat exchanger of a plate-type construction having first flow channels for a first medium, each formed by a pair of plates, and having corrugated ribs, around which a second medium flows, arranged between neighboring plate pairs. In order to provide an improved heat exchanger which allows a more compact construction of the plant when used in a heating or air conditioning unit of a motor vehicle, it is proposed that the corrugated ribs and at least one of the neighboring plate pairs form second flow channels for the second medium and the second flow channels have a curved course, so that the second medium undergoes a change of flow direction on flowing through the heat exchanger.

Abstract: The invention relates to a control device (1) for controlling airflows in motor vehicles, comprised of a frame having at least one passage opening (4) and at least one controlling means, which is provided in the form of a roller louver (5) and which serves to modify the passage cross-section for the air flowing through the passage opening (4). The frame comprises a housing (2) with at least two hollow bodies (8) that are open along the longitudinal sides. These hollow bodies (8) accommodate the drive shaft (6) or the return shaft (7) for the roller louver (5), and each have a pivotal cover (8.3) for opening the respective hollow body (8). The control device (1) can be mounted inside airflow ducts of a heating and/or air-conditioning system for motor vehicles.

Abstract: The invention relates to a plate-type heat exchanger, in which at least one first flow passage (16) for a first medium is provided between two plates (12 and 14), which form a plate pair (13). A plurality of second flow passages (18), which are connected in parallel, for a second medium are provided between two plate pairs (13). To provide a novel, improved heat exchanger, which is easier to produce, it is proposed that the second, parallel-connected flow passages (18) are formed in each case by one plate (14, 12) from adjacent plate pairs (13).

Abstract: The invention relates to a roller belt cassette for use in a control device (1) serving to control airflows in motor vehicles, comprised of a roller belt subassembly having a roller louver, which is formed by a roller belt (5), and at least two shafts (6, 7) of which one is a drive shaft (6) and the other is a return shaft (7). The roller belt (5) is formed by an endless belt or is provided in the form of an endless belt. The roller belt cassette can be mounted inside airflow ducts of a heating and/or air-conditioning system for motor vehicles.