Abstract: A side channel blower includes a housing (10) a motor (16) with a motor shaft that rotates about a motor axis. A first blower housing area (30) has a first delivery channel (34) with an inlet (36) and outlet (38) and is open towards a first axial side (32) and surrounds the motor axis. A first delivery wheel (46) covers the first delivery channel (34) and is carried at a first end area (44) of a motor shaft (20). A second blower housing area (52) has a second delivery channel (56) with an inlet (58) and with an outlet (60) and is open towards a second axial side (54) and surrounds the motor axis. A second delivery wheel (68) is located opposite the second axial side (54) and covers the second delivery channel (56) and is carried at a second end area (64) of the motor shaft (20).

Abstract: A temperature control unit includes a ring-shaped magnetocaloric material temperature control body (28) over which heat transfer medium can flow, a rotatable temperature control body receiving housing (12), a temperature control body receiving space, temperature control sectors (I, II, III, IV) following each other in a circumferential direction, each with a cooling area (30) and a magnetic field heating area arranged next to the cooling area, in at least two adjacent temperature control sectors, a heat transfer medium circulation (40) from the magnetic field heating area of one sector to the cooling area of another sector and from the cooling area of the other sector to the magnetic field heating area of the one sector. In one sector, heat input fluid may flow through the cooling area—feeding heat into the sector or/and in one sector, heat discharge fluid may flow through the magnetic field heating area for discharging heat.

Abstract: A blower housing includes a motor housing (14) with a circumferential wall (18) having a first bottom area (22) in a first axial end area (20), a motor housing cover (16) capable of being connected to the motor housing (14) in a second axial end area and a second bottom area (30). A contacting arrangement (42) is provided on the motor housing cover (16) for the electrical contacting of an electric motor (26) to be arranged in the blower housing (12). The contacting arrangement (42) includes a first contacting area (44) first contacting formation (46) at least on one side of the motor housing cover (16) to be positioned facing an interior (24) of the motor housing (12). A second contacting area (64) second contacting formation is exposed to the outside. A strip conductor formation (59) conductively connects the first contacting formation (64) to the second contacting formation (66).

Abstract: A temperature control unit includes a temperature control body made of magnetocaloric material and elongated in a longitudinal direction (L), through which or/and around which heat transfer medium can flow. A magnetic field arrangement (16) has magnetic field heating areas (22) arranged following one another in a shifting direction (V) and cooling areas (24) between the magnetic field heating areas (22). A plurality of heat transfer medium flow zones (Zi) following one another in the longitudinal direction (L) are provided with the temperature control body (14). At least two heat transfer medium flow zones (Zi) adjacent to one another in the longitudinal direction (L) of the temperature control body provide a heat transfer medium circulation sector (I, II, III, IV). Heat input fluid, flowing relative to heat transfer medium flow zones (Z1), feed heat in and heat discharge fluid flowing relative to heat transfer medium flow zones (Z8) discharging heat.

Abstract: A heat exchanger assembly for a vehicle heating device includes inner heat exchanger housing (12) and outer heat exchanger housing (14). A fluid flow space (24) is formed between the inner heat exchanger housing and the outer heat exchanger housing. Flow guiding formations (40, 42), along circumferential walls (18, 22) of the housings, divide a portion of the fluid flow space into a first partial flow space (44) and a second partial flow space (46). A fluid inlet opening (49) opens to the first partial flow space and at least one fluid outlet opening (51) opens to the second partial flow space (46). A press fit formation (94) fixes the inner heat exchanger housing in relation to the outer heat exchanger housing and includes the first flow guiding formation and the second flow guiding formation and/or the press fit formation is in an end region (32) of the circumferential walls.

Abstract: An air discharge assembly unit, especially for routing air (L) into the interior space (70) of a vehicle, includes an air routing duct (28) for routing primary air (H) from a primary air inlet area (18) to an air outlet area (40). A flow cross-sectional area of the air routing duct (28) decreases, at least in some areas away from the primary air inlet area (18), in the direction of the air outlet area (40) up to a duct area (30) with minimal flow cross-sectional area. A secondary air inlet area (41) is provided for the inlet of secondary air (N) into the air routing duct (28), in the area of the duct area (30), with minimal flow cross-sectional area.

Abstract: A temperature detection device (10) for a vehicle heater detects a fluid temperature. The device includes a temperature sensor (12) as well as a contact element (14) with a first side (16), around which the fluid can flow in at least some sections, and with a second side (18) facing away from the first side (16). The temperature sensor (12) is configured as a radiation sensor. The contact element (14) is arranged relative to the temperature sensor (12) such that at least a part of the radiation emitted from the second side (18) of the contact element (14) can be received by the temperature sensor (12).

Abstract: A vehicle heater includes a plurality of heating units (12, 14) as well as a heat exchanger device (32) for transmitting heat provided in the heating units (12, 14) to a heat carrier medium (M). The heat exchanger device (32) includes, associated with each heating unit (12, 14), a heat exchanger zone for transmitting heat provided in the heating unit (12, 14) to the heat carrier medium (M).

Abstract: A blower housing, especially for a combustion air blower of a vehicle heater, includes a first housing area (14) with a delivery channel, which extends in a ring-shaped manner around a housing axis (A) and is open on an axial side, and a second housing area (16) for accommodating a blower motor (20). The second housing area (16) includes a housing wall (18), which is elongated in the direction of the housing axis (A) and surrounds a space accommodating the motor. A connection area (26) is provided in a central longitudinal area of the housing wall (18) in the direction of the housing axis (A) on an outer side of the housing wall (18) for establishing an electric connection with an actuating device (38).

Abstract: 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).

Abstract: A combustion chamber assembly unit, especially for a vehicle heater, includes a combustion chamber housing (12) extending in the direction of a combustion chamber housing longitudinal axis (L), a support area (24) extending radially outwards in relation to the combustion chamber housing (12), a sealing element (33) with a first sealing area (34) on a first axial side of the support area (24) and a second sealing area (36) on a second axial side, opposite the first axial side, of the support area (24). A deformation connection area (42) connects the first sealing area (34) and the second sealing area (36) to one another and encloses the support area (24) in a circumferential section that is radially outwards.

Abstract: A vehicle heater heat exchanger arrangement (10) includes: a pot-like heat exchanger housing (12) with a first bottom wall (18) in a first axial end area (16) and with a first circumferential wall (20) adjoining the first bottom wall and enclosing a longitudinal axis (L); and a pot-like outer heat exchanger housing (14) with a second bottom wall (22) in the first axial end area and with a second circumferential wall (24) adjoining the second bottom wall and enclosing the longitudinal axis. The inner heat exchanger housing and the outer heat exchanger housing are connected to one another in a second axial end area (26) and a fluid flow space (34) is formed between the inner heat exchanger housing and the outer heat exchanger housing. The second axial end area has an outwardly open recess (60) defined by the inner heat exchanger housing or/and by the outer heat exchanger housing.

Abstract: A combustion chamber assembly unit, especially for a vaporizing burner and particularly especially for a vehicle heater, includes at least two combustion chamber elements (12, 20, 26, 32, 50, 52, 64, 102, 126) with wall areas (12, 34, 46, 54, 64, 104, 130, 140, 142). The at least two combustion chamber elements are arranged in a radially staggered pattern in relation to a longitudinal axis (L) of the combustion chamber and are fixed to one another by laser welding.

Abstract: A bottom assembly unit for a vaporizing burner combustion chamber assembly unit, especially for a vehicle heater, includes a bottom part (24) with a bottom wall. A porous evaporator medium (44) at least partially covers the bottom wall on a front side (42) positioned such that it faces a combustion chamber (20). A ring-shaped holding part (34) has a contact area (40) touching the porous evaporator medium (44). The contact area has a holding section (62) extending radially inwardly from a holding part circumferential wall (36) and extends over the porous evaporator medium (44) in a radially outer area (66). A plurality of contact projections (68) are arranged at spaced locations from one another about the longitudinal axis and extend in the direction of the porous evaporator medium. The porous evaporator medium (44) is pressed by the contact projections (68) in a radially outer area (66) against the bottom wall.

Abstract: A vaporizing burner combustion chamber assembly unit, especially for a vehicle heater, includes a bottom part (32) with a bottom wall (34) and with a first circumferential wall (38) and a porous evaporator medium (42) at least partially covering a front side of the bottom wall, which is to face a combustion chamber (14). A ring-shaped holding part has a second circumferential wall (54) and a contact area (56) touching the porous evaporator medium. The first circumferential wall extends, from an outer edge area (36) of the bottom wall essentially in a longitudinal axis (L) direction of a bottom assembly unit (30), on a rear side of the first bottom wall facing away from a combustion chamber, in the direction away from the porous evaporator medium. The second circumferential wall extends at least partially over the first circumferential wall on its outer side and is fixed to same.

Abstract: A fuel cell system (1), especially for motor vehicles, is provided with at least one fuel cell (2), which has at least two electrodes (3), to which at least one electric user (4) can be connected. The electrodes (3), especially the anode (4), are protected if a temperature-measuring device (8) measures the electrode temperature of at least one of the electrodes (3) and if a control (24) sets the water fed into the fuel cell (2) by a water feed device (11), preferably before the reformate gas enters the fuel cell (2), as a function of the measured electrode temperature.

Abstract: A blower housing, especially for a side channel blower, includes a first housing part (22) with a motor mounting space (25) for a blower motor (14). A rotor shaft (16), rotatable about a shaft axis of rotation (A), of a blower motor (14) is or can preferably be rotatably mounted at the first housing part (22). A housing cover (44) seals the motor mounting space (25). The housing cover (44) has a cover meshing opening (46). A second housing part (50), with a cover meshing projection (52), is positioned or can be positioned in a meshing manner in the cover meshing opening (46). The cover meshing opening (46) is sealed with the cover meshing projection (52) being positioned in a meshing manner in the cover meshing opening (46).

Abstract: A fuel-operated vehicle heating system includes a burner arrangement (18) with a combustion chamber (20) for burning a fuel/combustion air mixture, a fuel feed system (22) for feeding fuel (B) to the combustion chamber (20), a combustion air feed system (28) for feeding combustion air (L) to the combustion chamber (20), and a waste gas removal system (34) for removing combustion waste gases from the burner arrangement (18). A waste gas emission suppression arrangement (38, 40) is associated with the combustion air feed system (28) and/or the waste gas removal system (34).

Abstract: A heat exchanger arrangement, especially for a vehicle heater, includes a pot-like heat exchanger housing (12) with an inner wall (22, 24) and with an outer wall (18, 20). A heat carrier medium flow space is formed between the inner wall (22, 24) and the outer wall (18, 20). A first flow opening (54) is provided on the outer wall (18, 20) and, adjoining this, a pump housing (58) made integrally with the outer wall (18, 20) for a heat carrier medium pump is provided.

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).