Abrégé

A fuel treatment device (2) converts a hydrocarbon-containing fuel into a fuel for a fuel cell (3). The fuel treatment device (2) has for this purpose a mixture formation space (7) for forming and processing a mixture of fuel and another component, a reformer (8) for converting the mixture into a synthesis gas and a desulfurization stage (9) for removing sulfur from the synthesis gas or from the mixture. The reformer (8) and desulfurization stage (9) are arranged adjacent to each other in a housing (10) along an axis of the housing (10).

Classes IPC  ?

• C01B 3/16 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par réaction de composés inorganiques comportant un hydrogène lié électropositivement, p. ex. de l'eau, des acides, des bases, de l'ammoniac, avec des agents réducteurs inorganiques par réaction de la vapeur d'eau avec l'oxyde de carbone avec des catalyseurs
• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• C01B 3/56 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification par contact avec des solidesRégénération des solides usés
• H01M 8/0612 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus avec des moyens de production des réactifs gazeux à partir de matériaux contenant du carbone
• H01M 8/0662 - Traitement des réactifs gazeux ou des résidus gazeux, p. ex. nettoyage
• C01B 3/38 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par réaction de composés organiques gazeux ou liquides avec des agents gazéifiants, p. ex. de l'eau, du gaz carbonique, de l'air par réaction d'hydrocarbures avec des agents gazéifiants avec des catalyseurs
• B01J 19/24 - Réacteurs fixes sans élément interne mobile

Abrégé

The invention relates to a vehicle temperature-control system comprising a refrigerant circuit (22). Said refrigerant circuit comprises a compressor (24), at least one condenser heat-exchanger assembly (28) around which air (L1) to be heated can flow, and at least one evaporator heat-exchanger assembly (40), around which air (L2) to be cooled can flow. For each of the two heat-exchanger assemblies (28, 40), there are two inflow regions (48, 50, 78, 80) and two outflow regions (62, 64, 84, 86), which can be switched by means of flap assemblies (44, 56, 88, 92). Both a heating operating mode and a cooling operating mode can be selected by means of said flap assemblies. Thus, heat pump operation in the vehicle, e.g., bus, is enabled.

Classes IPC  ?

• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation

Abrégé

The invention relates to a method for operating a vehicle temperature control system, wherein after activation of a vehicle heating unit (16): a) the vehicle heating unit (16) outputs an activation actuating command to a fan control unit (32), b) the fan control unit (32) outputs a vehicle data bus disconnect command to a vehicle data bus disconnect unit (38) in response to receiving the activation actuating command from the vehicle heating unit (16), c) the vehicle data bus disconnect unit (38) disconnects a vehicle data bus (28) for providing a partial vehicle data bus (40) in response to receiving the vehicle data bus disconnect command from the fan control unit (32), d) after providing the partial vehicle data bus (40), the fan control unit (32) outputs an activation actuating command to an air conditioning unit (34), e) the air conditioning unit (34) puts at least one vehicle fan (18) and/or at least one air flow influencing unit (36) into a specified operating condition in response to receiving the activation actuating command from the fan control unit (32).

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation

Abrégé

A process for operating a fuel cell system (2), which is arranged in a vehicle (1) having a tachograph (6) and an internal combustion engine (3), and used for power supply of at least one electrical component (10) of the vehicle (1) with the internal combustion engine (3) switched off. With the fuel cell system (2) switched off, the control device (4) receives from the tachograph (6) a foreseeable break start time of an operating break following a drive mode, which is legally prescribed and/or planned by the driver of the vehicle (1), at which the internal combustion engine (3) is switched off. The control device (4) determines a start time such that a start procedure of the fuel cell system (2) ends at the break start time and the fuel cell system (2) is ready for operation, when the fuel cell system (2) is started at the start time.

Classes IPC  ?

• B60W 10/28 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des piles à combustible
• B60W 10/06 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des ensembles de propulsion comprenant la commande des moteurs à combustion

Abrégé

A fuel cell system (1) includes a reformer (2), for generating a reformate gas, a fuel cell (3) for generating electric current from cathode air and reformate gas, an air supply (4), which draws in ambient air and splits this at least into reformer air and cathode air, sends the reformer air via a reformer air line (15) in the direction of the reformer and sends the cathode air via a cathode air line (16) in the direction of a cathode side (11). A recirculating line (20) connects an anode side (10) to the reformer (2). A hot gas delivery (24), which contains a hot gas path (26), is arranged in the recirculating line for driving the anode waste. A cooling air path (27), which is integrated into the cathode air line, through which the reformer air or cathode air flows, reduces thermal load of the hot gas delivery.

Classes IPC  ?

• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• H01M 8/04007 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides relatives à l’échange de chaleur
• H01M 8/0612 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus avec des moyens de production des réactifs gazeux à partir de matériaux contenant du carbone
• H01M 8/04014 - Échange de chaleur par des fluides gazeuxÉchange de chaleur par combustion des réactifs
• H01M 8/04089 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs gazeux

Abrégé

A vehicle heater includes a first housing arrangement (12), a second housing arrangement (14) connected with the first housing arrangement (12) in an adjoining area (32), and at least one sensor (54) with a holding area (62). The holding area (62) is held in the adjoining area (32) in a support path between the first housing arrangement (12) and the second housing arrangement (14).

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• B60H 1/02 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée de l'installation de propulsion
• F23N 5/00 - Systèmes de commande de la combustion
• F23N 5/14 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des résistances sensibles à la chaleur
• F23N 5/26 - Systèmes de commande de la combustion Parties constitutives

Abrégé

A heat exchanger assembly, in particular for a vehicle heating device, comprising a pot-like inner heat exchanger housing (12) having a first bottom wall (16) and a first circumferential wall (18) that is connected to the first bottom wall (16) and surrounds a longitudinal axis (L), a pot-like outer heat exchanger housing (14) having a second bottom wall (20) and a second circumferential wall (22) that is connected to the second bottom wall (20) and surrounds the longitudinal axis (L), a fluid flow space (24) formed between the inner heat exchanger housing (12) and the outer heat exchanger housing (14), a first flow guiding formation (40) that extends substantially in the direction of the longitudinal axis (L) along the first circumferential wall (18) and the second circumferential wall (22) and a second flow guiding formation (42) that extends substantially in the direction of the longitudinal axis (L) along the first circumferential wall (18) and the second circumferential wall (22) at a circumferential distance from the first flow guiding formation (40), which first flow guiding formation (40) and second flow guiding formation (42) divide the part (28) of the fluid flow space (24) formed between the first circumferential wall (18) and the second circumferential wall (22) into a first partial flow space (44) and a second partial flow space (46), at least one fluid inlet opening (49) open to the first partial flow space (44) and at least one fluid outlet opening (51) open to the second partial flow space (46), a press fit formation (94) for fixing the inner heat exchanger housing (12) in relation to the outer heat exchanger housing (14), is characterized in that the press fit formation (94) comprises the first flow guiding formation (40) and the second flow guiding formation (42) and/or that the press fit formation (94) is provided in an end region (32) of the circumferential walls (18, 22) lying at a distance from the first bottom wall (16) and the second bottom wall (20).

Classes IPC  ?

• F24H 1/00 - Appareils de chauffage de l’eau, p. ex. chauffe-eau, chauffe-eau instantanés en continu ou chauffe-eau à accumulation
• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• F24H 1/26 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec une chemise d'eau entourant la ou les chambres de combustion la chemise d'eau étant monobloc
• F24H 9/00 - APPAREILS DE CHAUFFAGE DE FLUIDES, p. ex. DE L'AIR OU DE L'EAU, COMPORTANT DES MOYENS DE PRODUCTION DE CHALEUR, p. ex. DES POMPES À CHALEUR, EN GÉNÉRAL Parties constitutives

Abrégé

A fuel cell system (1) with a fuel cell unit (2) including at least one fuel cell (3), as well as an anode gas feed (11) including a reformer (12). A reduced deposit of hydrocarbons on an anode (5) of the fuel cell (3), especially in case of a cold start of the fuel cell system (1), is achieved when the anode gas feed (11) has a reduction device (14), which is arranged between the reformer (12) and the anode (5).

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides

Abrégé

The invention relates to a system (0) which comprises an electrical load system (54) with a load network battery (82), and a fuel cell system (1). Operation is simplified, especially during start of the fuel cell system (1) if the fuel cell system (1) has a system battery (56). A system voltage across the system battery (56) can be supplied to electrical system loads (80) of the fuel cell system (1) and, via a load voltage converter (77) and at least one additional voltage converter (86), to the load system (54) and secondary electrical loads (84, 85).

Classes IPC  ?

• H01M 8/00 - Éléments à combustibleLeur fabrication
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 10/46 - Accumulateurs combinés par structure avec un appareil de charge
• H01M 16/00 - Combinaisons structurelles de différents types de générateurs électrochimiques
• B60L 11/18 - utilisant de l'énergie fournie par des piles primaires, des piles secondaires ou des piles à combustibles
• H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon

Abrégé

A burner (1) for burning a gaseous oxidant with a gaseous fuel, with a combustion chamber (2), in which the combustion reaction takes place during the operation of the burner (2), has a wall structure (4) which defines the combustion chamber (2) on the inlet side and which has oxidant openings (5) for introducing the oxidant into the combustion chamber (2) and fuel openings (6), which are separate therefrom, for introducing the fuel into the combustion chamber (2). The wall structure (4) has an oxidant distributor space (7), which is fluidically connected with the oxidant openings (5) on the outlet side and is fluidically connected with at least one oxidant feed opening (9) on the inlet side, as well as contains a fuel distributor space (8), which is fluidically separated from the oxidant distributor space (7) and is fluidically connected on the outlet side with the fuel openings (6) and is fluidically connected with at least one fuel feed opening (10) on the inlet side. A plurality of oxidant feed openings (9) are formed in the wall structure (4) on a side facing away from the combustion chamber (2), a plurality of fuel feed openings (10) are formed in the wall structure (4) on the side facing away from the combustion chamber (2), and the oxidant feed openings (9) and fuel feed openings (10) are arranged next to each other and alternating with one another in a straight connection area (11).

Classes IPC  ?

• F23C 5/08 - Disposition des brûleurs

Abrégé

A fuel cell system with a reformer for generating hydrogen-containing synthesis gas and a fuel cell of the fuel cell system. The fuel cell is arranged downstream of the reformer. The fuel cell system is heated up conventionally in a first heat-up phase by combusting a superstoichiometric fuel/air mixture. The first heat-up phase is stopped by stopping the combustion of the fuel/air mixture in the mixing chamber of the reformer. In a second heat-up phase, in which the reformer catalyst is operated in the catalytic combustion operation with a superstoichiometric fuel/air mixture, the entire heat-up process can be significantly shortened by a change in stoichiometry at the end of the second heat-up phase.

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides

Abrégé

A fuel cell system (1), especially in a motor vehicle, is provided with a fuel cell (2), which generates electric current during the operation from anode gas and cathode gas, with a residual gas burner (3), which reacts anode waste gas with cathode waste gas into burner waste gas during the operation; with an air delivery device (17), which feeds air as cathode gas to the fuel cell (2) via a fuel cell air line (12) during the operation; and with a first heat exchanger (14), which couples a waste gas line (13) removing burner waste gas from the residual gas burner (3) with the fuel cell air line (12) in a heat-transmitting operation. The start-up process of the system (1) is improved with an auxiliary burner (20), which reacts air with a fuel into an auxiliary burner waste gas during the operation; with a bypass air line (24), which is connected on the inlet side to the fuel cell air line (12) between the air delivery device (17) and the first heat exchanger (14) and which is connected to the fuel cell air line (12) on the outlet side between the first heat exchanger (14) and the fuel cell (2). A second heat exchanger (23) couples an auxiliary waste gas line (21) removing auxiliary burner waste gas from the auxiliary burner (20) with the bypass air line (24) in a heat-transmitting manner.

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides

Abrégé

A fuel cell module (1) with a fuel cell (2), a residual gas burner (4) and a heat exchanger (6). The service life of the module (1) can be improved by at least one compensator (27) for establishing a flow-carrying connection between the residual gas burner (4) and the heat exchanger (6).

Classes IPC  ?

• H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible

Abrégé

A process for operating a fuel cell system (1), especially in a motor vehicle. The fuel cell system (1) includes at least one fuel cell (3) as well as at least one reformer (2). To improve the possibility of warm start, a warm-holding mode, in which heat transfer takes place from the fuel cell (3) to the reformer (2), is activated after switching off the fuel cell system (1).

Classes IPC  ?

• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides

Abrégé

A process is provided for operating a fuel cell system (1), especially in a motor vehicle, wherein the fuel cell system (1) includes at least one reformer (2) and at least one fuel cell (3). To prolong the service life of the system (1), a warm-holding mode is carried out after switching off the fuel cell system (1). During the warm-holding mode an educt containing hydrogen and carbon monoxide is fed to the reformer (2) and reacted with air in reformer (2) at a catalyst (5) of reformer (2) in an exothermal reaction.

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides

Abrégé

A modular fuel cell system is provided, especially for use in vehicles, with a fuel cell module, which has a stack of a plurality fuel cell elements between a first end plate and a second end plate, with a burner-heat exchanger module, which has a heat exchanger for preheating cathode gas and a burner for reacting fuel cell waste gases. Manufacturing advantages are provided with the first end plate has, on a connection side facing away from the stack, an anode gas inlet opening, a cathode gas inlet opening, an anode waste gas outlet opening and a cathode waste gas outlet opening and if the burner-heat exchanger module has an anode gas outlet opening communicatingly connected to the an anode gas inlet opening, an cathode gas outlet opening communicatingly connected to the an cathode gas inlet opening, an anode waste gas inlet opening communicatingly connected to the an anode waste gas outlet opening and an cathode waste gas inlet opening communicatingly connected to the an cathode waste gas outlet opening.

Classes IPC  ?

• H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible

Abrégé

A fuel cell system (1), especially in a motor vehicle, is provided with at least one fuel cell (18) for generating electric current from anode gas and cathode gas, with at least one reformer (22) for generating anode gas from oxidant gas and fuel. At least one residual gas burner (26) is provided for burning anode waste gas with cathode waste gas. A recycling device (48) is provided for recycling burner waste gas to the reformer (22).

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• B60H 1/02 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée de l'installation de propulsion
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• B60H 1/14 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée de l'installation de propulsion autrement que par le liquide de refroidissement de l'installation

Abrégé

A wall structure (21) for a burner (19), with a first wall (40), which has elevations (41) and which defines a first supply chamber (22), and with a second wall (43), which has recesses (44) cooperating with end sections (42) of the elevations (41) and which defines a reaction chamber (20). The first wall (40) has first openings (34), which connect the first supply chamber (23) to the reaction chamber (20). The second wall (43) has second openings (37), which connect a second supply chamber (24) located between the walls (40, 43) to the reaction chamber (20). The first openings (34) are arranged in first rows (35) and the second openings (37) in second rows (38). The mixture formation or homogenization of the gases in the reaction chamber (20) can be improved if at least one second opening (37) is arranged within the first row (35) between two openings (34).

Classes IPC  ?

• F23D 14/12 - Brûleurs à rayonnement

Abrégé

A fuel cell system (1), especially in a motor vehicle, includes at least one fuel cell (2) for generating electricity, at least one reformer (3) for generating a reformat gas, a fuel supply means (13) for feeding fuel to the reformer (3), a recycling means (83), which has a recycling line (31) connected to the reformer (3) for feeding anode waste gas of the fuel cell (2) to the reformer (3), and an air supply means (17), which has an air line (18) connected to the reformer (3) separately from the recycling line (31) for feeding air to the reformer (3). To increase performance, the fuel supply means (13) may be designed such that fuel can be introduced with it into the recycling line (31).

Classes IPC  ?

• H01M 8/00 - Éléments à combustibleLeur fabrication

Abrégé

Apparatus for heating a vehicle has a mounting plate adapted to be secured in a window frame of the vehicle. The mounting plate has an inside face, an opposed outside face, and openings extending between the outside face and the inside face. A combustion heater is mounted to the inside face of the mounting plate. The combustion heater is arranged to intake fresh air and expel exhaust through an opening or openings in the mounting plate. A fuel tank is mounted to the outside face of the mounting plate and a fuel line extends through an opening in the mounting plate to connect the fuel tank with a fuel supply port of the combustion heater. A modular heating apparatus is thus provided that may be installed in a vehicle window frame. The heating apparatus avoids the necessity to idle the vehicle engine to maintain a comfortable interior temperature in cold weather. It also avoids the necessity for permanent modifications such as installation of a heater.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• F24D 5/02 - Systèmes de chauffage central à air chaudSystèmes de chauffage central à gaz d'échappement fonctionnant avec émission d'air chaud dans l'espace ou le local à chauffer
• F24H 3/02 - Appareils de chauffage d'air à circulation forcée
• F24H 9/06 - Disposition des fixations ou des supports

Abrégé

The invention relates to an exhaust gas aftertreatment device having a hollow cylindrical housing jacket (2). An exhaust gas catalyst, preferably embodied as an SCR catalyst, and an inflow chamber (9) for exhaust gas to be purified are provided in the interior. Said inflow chamber (9) is delimited by two opposing base parts (10, 11). Furthermore, a jacket part (12) surrounding the base parts (10, 11) in a gas-tight manner is provided for the inflow chamber (9). The inflow chamber (9) is surrounded by the housing jacket (2) and may be made from a different material than said housing jacket. The exhaust gas aftertreatment device (1) is particularly suitable for commercial vehicles with diesel engines.

Classes IPC  ?

• F01N 1/08 - Silencieux caractérisés par leur principe de fonctionnement réduisant l'énergie des gaz évacués par étranglement ou tourbillon
• F01N 3/28 - Structure des réacteurs catalytiques

Abrégé

A wall structure for bordering a combustion chamber of a burner has a top plate that is exposed to the combustion chamber and a bottom plate in contact with the top plate in contact zones on a side facing away from the combustion chamber. The top plate and/or the bottom plate are shaped so that a channel system is created between the top plate and the bottom plate. The top plate contains first openings which communicate with the channel system. In addition, the top plate and the bottom plate have joint second openings in the contact zones communicating with a feed space which is arranged on a side of the bottom plate facing away from the combustion chamber.

Classes IPC  ?

• F23D 14/12 - Brûleurs à rayonnement

Produits et services

(1) Heaters, namely, gasoline and diesel heaters; automobile parts, namely, mufflers; and building components, namely, skylights and windows.