Abstract: A vehicle heater includes a burner assembly unit (12) with a combustion chamber (18) to be fed with combustion air (V) and fuel (B) and a flame tube (24). A heat exchanger assembly unit (14) includes an inner heat exchanger housing (28) with an inner circumferential wall (30) and an outer heat exchanger housing (34) with an outer circumferential wall (36). A heat transfer medium flow space (40) is between the inner and outer heat exchanger housings, which are elongated in a longitudinal axis (L) direction. A waste gas backflow space (44), between the inner circumferential wall (30) and the flame tube, opens towards an exhaust gas outlet. A catalytic converter device (52) is provided in the waste gas backflow space associated with an energizable heating unit (58), or/and insulation material (64) is provided on an outer side (62) facing away from the heat transfer medium flow space.

Abstract: A vehicle heater includes a burner assembly unit (12) with a combustion chamber (18) to be fed with combustion air (V) and fuel (B) and a flame tube (24). A heat exchanger assembly unit (14) includes an inner heat exchanger housing (28) with an inner circumferential wall (30) and an outer heat exchanger housing (34) with an outer circumferential wall (36). A heat transfer medium flow space (40) is between the inner and outer heat exchanger housings, which are elongated in a longitudinal axis (L) direction. A waste gas backflow space (44), between the inner circumferential wall (30) and the flame tube, opens towards an exhaust gas outlet. A catalytic converter device (52) is provided in the waste gas backflow space associated with an energizable heating unit (58), or/and insulation material (64) is provided on an outer side (62) facing away from the heat transfer medium flow space.

Abstract: A combustion chamber assembly unit for a fuel-operated vehicle heater is provided. The combustion chamber assembly includes a combustion chamber housing (12) with a combustion chamber (18), which is defined by a circumferential wall (14) and by a bottom area (16). An oxidation catalytic converter device (54), through which combustion waste gases can flow, is provided downstream in relation to the combustion chamber (18). The combustion chamber assembly further includes a hydrocarbon storage device (74) or/and a nitrogen storage device (76).

Abstract: A vehicle temperature control system, especially for a hybrid vehicle, includes a first heat transfer medium circuit (12) including an internal combustion engine (16), a heater (18) and one or preferably a plurality of heat transfer areas (32, 34, 36) for transferring heat between a first heat transfer medium, circulating in the first heat transfer medium circuit (12), and a first group of system areas to be thermally treated. A second heat transfer medium circuit (14) includes a heat one or preferably a plurality of heat transfer areas for the transfer of heat between a second heat transfer medium, circulating in the second heat transfer medium circuit (14), and a second group of system areas (46, 48, 50) to be thermally treated. A heat transfer medium circuit heat exchanger unit (58) transfers heat between the first heat transfer medium and the second heat transfer medium.

Abstract: An exhaust system for an internal combustion engine, especially in a vehicle, comprising at least one first catalytic converter unit (18) with at least one catalytic converter device (24), through which internal combustion engine exhaust gas can flow and a fuel-operated heater (36). The at least one first catalytic converter unit (18) comprises a heat exchanger volume (50) through which heater exhaust gas leaving the heater (36) can flow.

Abstract: A vehicle includes a drive motor arranged in an engine compartment, a fuel-operated vehicle heater arranged in the engine compartment, a fuel tank, a fuel line (22) leading from the fuel tank to the vehicle heater, as well as a cooling air line arrangement (46). The cooling air line arrangement (46) envelops the fuel line (22) in at least some areas for providing a cooling air flow duct (50) for cooling air flowing around the fuel line (22).

Abstract: A catalytic burner, especially for a vehicle heater, for the catalytically supported combustion of a fuel/combustion air mixture, includes a mixing chamber (24) and a combustion air feed device (36), for feeding combustion air to the mixing chamber (24) and a fuel feed device (28, 34), for feeding fuel to the mixing chamber (24), upstream of the mixing chamber (24). A catalyzer device (46) is provided with at least one catalyzer unit (48, 50, 52, 70), through which the fuel/combustion air mixture can flow. The fuel feed device (28, 34) includes an evaporator device (28) receiving liquid fuel from a fuel feed line (34) and releasing fuel vapor into the mixing chamber (24) or/and the at least one catalyzer unit (48, 50, 52, 70) includes a grid-like support with catalyst material on a surface of the a grid-like support.

Abstract: An exhaust system for an internal combustion engine, especially in a vehicle, comprising at least one first catalytic converter unit (18) with at least one catalytic converter device (24), through which internal combustion engine exhaust gas can flow and a fuel-operated heater (36). The at least one first catalytic converter unit (18) comprises a heat exchanger volume (50) through which heater exhaust gas leaving the heater (36) can flow.

Abstract: A vehicle temperature control system, especially for a hybrid vehicle, includes a first heat transfer medium circuit (12) including an internal combustion engine (16), a heater (18) and one or preferably a plurality of heat transfer areas (32, 34, 36) for transferring heat between a first heat transfer medium, circulating in the first heat transfer medium circuit (12), and a first group of system areas to be thermally treated. A second heat transfer medium circuit (14) includes a heat one or preferably a plurality of heat transfer areas for the transfer of heat between a second heat transfer medium, circulating in the second heat transfer medium circuit (14), and a second group of system areas (46, 48, 50) to be thermally treated. A heat transfer medium circuit heat exchanger unit (58) transfers heat between the first heat transfer medium and the second heat transfer medium.

Abstract: A combustion chamber assembly unit for a fuel-operated vehicle heater is provided. The combustion chamber assembly includes a combustion chamber housing (12) with a combustion chamber (18), which is defined by a circumferential wall (14) and by a bottom area (16). An oxidation catalytic converter device (54), through which combustion waste gases can flow, is provided downstream in relation to the combustion chamber (18). The combustion chamber assembly further includes a hydrocarbon storage device (74) or/and a nitrogen storage device (76).

Abstract: A vehicle includes a drive motor arranged in an engine compartment, a fuel-operated vehicle heater arranged in the engine compartment, a fuel tank, a fuel line (22) leading from the fuel tank to the vehicle heater, as well as a cooling air line arrangement (46). The cooling air line arrangement (46) envelops the fuel line (22) in at least some areas for providing a cooling air flow duct (50) for cooling air flowing around the fuel line (22).

Abstract: A process for operating a heater that can be operated with hydrocarbon fuel, especially for a vehicle includes providing a substoichiometric air/fuel mixture in a precombustion chamber (18) for a combustion operation and performing a cold flame combustion in the precombustion chamber (18). The precombustion products forming in the precombustion chamber (18) during the cold flame combustion are supplied to a catalyst arrangement (32) and a partial catalytic oxidation is performed for producing a gas containing hydrogen and carbon monoxide. The gas produced during the partial catalytic oxidation is supplied to a main combustion chamber (34) for producing a hydrogen/carbon monoxide/air mixture. The hydrogen/carbon monoxide/air mixture is burned in the main combustion chamber (34).

Abstract: A catalytic burner, especially for a vehicle heater, for the catalytically supported combustion of a fuel/combustion air mixture, includes a mixing chamber (24) and a combustion air feed device (36), for feeding combustion air to the mixing chamber (24) and a fuel feed device (28, 34), for feeding fuel to the mixing chamber (24), upstream of the mixing chamber (24). A catalyzer device (46) is provided with at least one catalyzer unit (48, 50, 52, 70), through which the fuel/combustion air mixture can flow. The fuel feed device (28, 34) includes an evaporator device (28) receiving liquid fuel from a fuel feed line (34) and releasing fuel vapor into the mixing chamber (24) or/and the at least one catalyzer unit (48, 50, 52, 70) includes a grid-like support with catalyst material on a surface of the a grid-like support.

Abstract: A burner for burning a gaseous fuel containing hydrogen with a gaseous oxidizer containing oxygen, having a combustion chamber in which the combustion reaction takes place during operation of the burner and having a wall structure which seals off the combustion chamber on the input end and which has multiple fuel openings through which the fuel is introduced into the combustion chamber during operation of the burner and has multiple oxidizer openings through which the oxidizer is introduced into the combustion chamber during operation of the burner.

Abstract: The present invention relates to an internal combustion engine which is used in particular in motor vehicle having a reformer for generating hydrogen, whereby the reformer has a single operating mode in which it generates as much reformate as needed or even more for purification of the maximum quantity of exhaust gas generated, whereby a distributor apparatus is situated at the output end of the reformer and the distributor apparatus is connected at the output end to an intake train of the internal combustion engine and to an ammonia generator, whereby the ammonia generator is connected at the output end upstream from an SCR catalyst to an exhaust train of the internal combustion engine, whereby the distributor apparatus allocates the reformate between the intake train and the ammonia generator as a function of the operating state of the internal combustion engine.

Abstract: A vehicle temperature control system comprising an internal combustion engine with an engine block and with a cylinder head, a heat source for heating a heat transfer medium, a heat exchanger arrangement for the transfer of heat transported in the heat transfer medium to air to be introduced into a vehicle interior, and a valve arrangement, by means of which the heat transfer medium heated by the heat source can be fed selectively, at least in part, to a first heat transfer region, provided in the region of the cylinder head, of the internal combustion engine, without being conducted into a second heat transfer region, provided in the region of the engine block, of the internal combustion engine.

Abstract: A conditioning system for a vehicle comprises an evaporator, positioned in an air conducting channel means, of an air conditioning unit, by means of which evaporator heat and/or moisture can be removed from the air to be introduced into a vehicle interior, a heating means being provided at the evaporator for at least local heating of the same.

Abstract: A device for conditioning a vehicle includes at least one electrically operated conditioning arrangement, a hot air supply system with a heat source, and a delivery arrangement for delivery of heated air into a vehicle interior, a fuel cell system for providing electrical energy for the at least one conditioning arrangement and the delivery arrangement. The hot air supply system includes the fuel cell system as heat source and also furthermore a heat exchanger arrangement for transferring heat arising in the region of the fuel cell system to the air to be delivered into the vehicle interior.

Abstract: A fuel cell system for a vehicle including at least one reformer, at least one fuel cell and at least one reformer-reformate burner arrangement. The at least one reformer is configured for the production of a reformate as a fuel gas. The at least one fuel cell receives the reformate from the at least one reformer. The at least one reformer-reformate burner arrangement is connected to the fuel cell, where either prior to reaching an anti-condensation temperature of residual hydrocarbons and water vapor the combustion gases, which are produced in the reformer-reformate burner arrangement, are immediately directed into the fuel cell or after reaching the anti-condensation temperature the reformate is immediately directed into the fuel cell.

Abstract: An exhaust gas treatment system for an internal combustion engine, particularly a diesel internal combustion engine having a catalyst arrangement and also at least one evaporator/burner arrangement upstream of the catalyst arrangement in the exhaust gas flow path, the evaporator/burner arrangement including a housing arrangement, with an evaporator/burner chamber formed therein which is open to the exhaust gas flow path, an evaporator medium for receiving liquid hydrocarbon and for delivering hydrocarbon vapor to the evaporator/burner chamber, a heating device for heating the evaporator medium, and an ignition device for starting the combustion of the hydrocarbon vapor present in the evaporator/burner chamber.