EP3346219B1 - Boîtier d'échangeur thermique - Google Patents

Boîtier d'échangeur thermique Download PDF

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Publication number
EP3346219B1
EP3346219B1 EP17209199.3A EP17209199A EP3346219B1 EP 3346219 B1 EP3346219 B1 EP 3346219B1 EP 17209199 A EP17209199 A EP 17209199A EP 3346219 B1 EP3346219 B1 EP 3346219B1
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EP
European Patent Office
Prior art keywords
housing
area
circumferential wall
heat transfer
heat exchanger
Prior art date
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Application number
EP17209199.3A
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German (de)
English (en)
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EP3346219A1 (fr
Inventor
Andreas Collmer
Uwe Grotstollen
Axel Kouril
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eberspaecher Climate Control Systems GmbH and Co KG
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Eberspaecher Climate Control Systems GmbH and Co KG
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Publication of EP3346219A1 publication Critical patent/EP3346219A1/fr
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Publication of EP3346219B1 publication Critical patent/EP3346219B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/10—Secondary fins, e.g. projections or recesses on main fins

Definitions

  • the present invention relates to a heat exchanger housing, in particular for a fuel-operated vehicle heater for heating air, comprising a circumferential wall region which is elongated radially in the direction of a housing longitudinal axis, surrounds a housing interior radially outwardly, adjoins the circumferential wall region in a first axial end region of the peripheral wall region and the housing interior in the axial direction final bottom wall portion and a subsequent in a second axial end portion of the peripheral wall portion of the peripheral wall region combustion module carrier area.
  • FIG. 7 shown fuel-powered vehicle heater 10 for heating air to be introduced into a vehicle interior known.
  • This vehicle heater 10 comprises a heat exchanger housing 12 with a peripheral wall region 14 elongated in the direction of a housing longitudinal axis L.
  • a housing interior 16 surrounded by the circumferential wall region 14 is axially closed in the direction of the housing longitudinal axis L by a bottom wall region 18 adjoining the peripheral wall region 14.
  • first heat transfer ribs 22 extending further into the bottom wall region 18 are provided.
  • At a side remote from the housing interior 16 outside 24 of the peripheral wall portion 14 are also extending into the bottom wall portion 18 continuing second heat transfer ribs 26 are provided.
  • a combustion chamber subassembly 30 with a combustion chamber housing 32 and a flame tube 34 is carried on a combustion subrack carrier region 28, which is likewise axially adjacent to the circumferential wall region 14.
  • a combustion air blower 40 designed here as a side channel blower, in the direction of the combustion chamber housing 32.
  • the combustion air blower 40 is also supported on the combustion rack support portion 28 of the heat exchanger housing 12.
  • the combustion air blower 40 includes an electric motor 42 which drives both a conveying wheel 43 serving to convey the combustion air and a conveying gear 44 serving to convey the air to be heated.
  • An outer casing 46 delimits the volume region to be flowed through by the air to be heated and has a heating air inlet opening 48 near the feed wheel 44.
  • the air conveyed by the conveying wheel 44 flows along the outer housing 46 in the direction of the heat exchanger housing 12 and flows around the second heat transfer ribs 26 before it exits the outer housing 46 at a hot air outlet opening 50 lying near the bottom wall area 18.
  • the combustion air conveyed by the combustion air blower 40 into the combustion chamber housing 32 is burnt there with fuel evaporated from the porous evaporator medium 36.
  • the combustion exhaust gases flow along the flame tube 34 and enter the inner space 16. There, the combustion exhaust gases flow back along the first heat transfer ribs 16 in the direction of an exhaust gas outlet opening 54 formed in an exhaust nozzle 52.
  • the heat exchanger housing 12 is provided with its peripheral wall portion 14, its bottom wall portion 18 and its combustion subrack support portion 28 as a single component integrally comprising these portions.
  • This component constructed of a complex structure of metal material, is manufactured in a casting process to provide all structural features.
  • a heat exchanger housing according to the preamble of claim 1 is known from DE 36 39 222 C1 known.
  • the heat exchanger housing according to the invention comprises at least three housing parts, wherein a first housing part substantially provides the peripheral wall area, a second housing part substantially provides the bottom wall area, and a third housing part substantially provides the combustion subrack area.
  • the inventively constructed heat exchanger housing is not formed with its three essential components circumferential wall area, bottom wall area and combustion module carrier area as a one-piece, integral component, but is divided into several separate housing parts. This makes it possible to provide each of these separate housing parts with the comparatively complex structure to be provided for this, without having to pay attention in the manufacturing process to structural features of the other housing parts.
  • first heat transfer ribs extending in the direction of the housing longitudinal axis are provided on an inner side of the circumferential wall region facing the housing interior.
  • second heat transfer ribs extending in the direction of the housing longitudinal axis may be provided on an outer side of the peripheral wall region facing away from the housing interior, wherein at least a part of, preferably all first heat transfer ribs and / or at least a part of, preferably all second heat transfer ribs in the direction of the housing longitudinal axis in the Substantially constant cross-sectional geometry, in particular rib height or rib thickness, have.
  • the circumferential wall region has a substantially constant radial dimension and / or wall thickness at least in the longitudinal extension region of the heat transfer ribs provided thereon in the direction of the housing longitudinal axis.
  • the circumferential wall region has a connection surface which is oriented radially inwards or radially outwards and runs around the longitudinal axis of the housing without interruption.
  • second heat transfer ribs be provided on the outside of the circumferential wall area in the radially outward oriented connection surface in the axial extension region of the connection surface, or that in the radially outward oriented connection surface in the axial extension region of the connection surface the inside of the personallyswandungs Symposiums first heat transfer ribs are provided.
  • the first housing part is preferably an extrusion component.
  • the first housing part that is substantially the peripheral wall area, with the structural features to be provided thereto, that is, e.g. the heat transfer ribs on the inside or on the outside and the above-given dimensioning specifications provide.
  • the structure as an extruded component also leads to a higher component quality, since fewer pores or voids are formed in the building material compared to a cast component, which is particularly important in view of the gas tightness required in a heat exchanger housing is essential.
  • the second housing part comprises a preferably substantially flat plate providing the bottom wall area.
  • the circumferential wall area with the heat transfer ribs provided thereon can be used particularly efficiently for heat transfer, in order to further simplify the overall construction it can be provided that on one of the inside of the housing facing the housing interior and / or on an outside of the plate facing away from the housing interior no heat transfer ribs are provided.
  • the plate may be connected in a radially outer edge region of the interior of the housing facing the inside with a substantially oriented in the direction of the housing longitudinal axis end face of the peripheral wall region.
  • the second housing part may comprise a substantially dome-like wall providing the bottom wall area.
  • heat transfer ribs be provided on an inner side of the wall facing the housing interior, and / or heat transfer ribs be provided on an outer side of the wall facing away from the housing interior.
  • connection surface which is oriented radially outward or radially inward, preferably substantially uninterrupted around the longitudinal axis of the housing.
  • the second housing part generally has no geometry that can be realized in an extrusion process, it is proposed that this is a punching or cutting component or a cast component.
  • the third housing part has for connection to the first housing part in a connecting region to be connected to the first housing part to a radially outside or radially inward oriented, uninterrupted around the housing longitudinal axis circumferential connection surface.
  • the third housing part has in its connection region a substantially circumferential wall axially extending peripheral wall, and that are provided on an inner side of the peripheral wall of the connecting portion heat transfer ribs, wherein on the inside of the Circumferential wall of the connecting portion provided heat transfer ribs on the inside of the designedswandungs Symposiums provided first heat transfer ribs continue in the direction of the housing longitudinal axis.
  • an exhaust gas outlet opening penetrating the peripheral wall can be provided in the connection region.
  • the third housing part may comprise a mounting area adjoining the connecting area in a radial widening area with a circumferential wall offset at least in regions radially outward relative to the peripheral wall of the connecting area.
  • the third housing part has a structure which can generally not be produced in an extrusion process, it is further proposed that this is a cast component.
  • the first housing part is connected to the second housing part and / or the third housing part by beam welding, preferably electron beam welding. Also other methods of making a material bond, such as laser welding or soldering, may be used.
  • the invention further relates to a vehicle heater comprising a heat exchanger housing constructed according to the invention, wherein on the Combustion board carrier area a combustion air blower and / or a combustion chamber assembly is supported.
  • a heat exchanger housing can be used in a vehicle heater for heating air, such as in Fig. 7 is shown.
  • a heat exchanger housing constructed according to the invention components or regions which correspond to components or regions already described above with respect to the prior art are designated by the same reference numeral.
  • the Fig. 1 to 4 show a first embodiment of a heat exchanger housing 12.
  • This heat exchanger housing 12 is constructed with three housing parts 56, 58, 60. These three housing parts 56, 58, 60 are components manufactured separately from one another, which are connected to one another to construct the heat exchanger housing 12.
  • the first housing part 56 essentially comprises the circumferential wall region 14 elongated in the direction of the housing longitudinal axis L, which generally has a substantially cylindrical structure, ie has substantially the same radial dimensioning and the same wall thickness in all longitudinal regions with respect to the housing longitudinal axis L.
  • the first housing part 56 is produced in an extrusion process as an extruded component, so that in particular its extension length in the direction of the housing longitudinal axis L in a simple manner to different sizes of a heat exchanger housing 12 to be built can be adjusted.
  • Elongated first heat transfer ribs 22 are provided in the direction of the housing longitudinal axis L on an inner side 20 of the inner space 16, which can be traversed by combustion exhaust gases, and terminate radially outwardly.
  • On an outer side facing away from the housing interior 16 outside 24 are also in the direction of the housing longitudinal axis L.
  • elongated second heat transfer ribs 26 are provided. Both the first heat transfer ribs 22, and the second heat transfer ribs 26 have in the direction of the housing longitudinal axis L a substantially constant rib height H, which, especially the Fig. 4 illustrated, provided in various circumferential areas ribs 22 and 26 may have mutually different rib heights and different rib structures. Since the ribs 22, 26 in the housing longitudinal direction L each have a substantially constant cross-sectional profile, these ribs 22, 26 can be provided in a simple manner in an extrusion process.
  • the housing interior 16 is closed off by the second housing part 58 provided with a substantially flat plate 64 in this exemplary embodiment.
  • the second housing part 58 which is provided, for example, as a punched component made of sheet metal material, can rest in a radially outer edge region 66 of its inner side 68 facing the housing interior 16 against an annular end face 70 of the peripheral wall region 14 oriented substantially in the direction of the housing longitudinal axis L and in this region with the circumferential wall region 14 material fit, preferably by beam welding, such. B. electron beam welding, be connected.
  • the bottom wall portion 18 forming the second housing part 58 in this embodiment no complex structural features, such as. B. provided thereon heat transfer ribs, has, it can be produced in a particularly simple and cost-effective manner. Further, the maximum overall length of the heat exchanger housing 10 is kept compact at the maximum possible axial length of the peripheral wall portion 14, so the first housing part 56.
  • the first housing part 56 is connected to the third housing part 60 forming the combustion subrack region 28.
  • the third housing part 60 has a connecting region 74 with a circumferential wall 76, which is dimensioned and substantially so is designed so that it continues the peripheral wall portion 14 axially.
  • the circumferential wall region 14 has, in this second axial end region 72, a connection surface 78 which is oriented radially outwards and which surrounds the housing longitudinal axis L without interruption. This can be provided, for example, by removing a length section of the second heat transfer ribs 26 and also the radially outer region of the circumferential wall region 14 in this longitudinal region of the first housing part 56 by material-removing machining.
  • connection surface 80 that revolves circumferentially around the housing longitudinal axis L and which radially adjoins the connecting surface 78 at the second axial end region 72 of the circumferential wall 14.
  • the two housing parts 56, 60 material fit, preferably by beam welding, such. B. electron beam welding, connected.
  • beam welding such. B. electron beam welding
  • heat transfer ribs 84 are provided on an inner side 82 of the circumferential wall 76 facing the housing interior 16.
  • the number of these heat transfer fins 84 corresponds to the number of the first heat transfer fins 72 on the inner side 20 of the peripheral wall 14, and the or at least part of the heat transfer fins 84 on the peripheral wall 76 is positioned such that these heat transfer fins 84 have heat transfer fins 22 on the inner side 20 of the peripheral wall region 14 continue in the direction of the housing longitudinal axis L.
  • the heat transfer fins 84 and the first heat transfer fins 22 have substantially identical cross-sectional profiles to one another, at least in their adjoining end regions, thus a substantially step-free transition between the first housing part 56 and the third Housing part 60 ensures, so that no impairment of the exhaust gas flow is formed in this adjoining area.
  • the third housing part 60 further has a mounting region 86 with a circumferential wall 88, which is offset radially outward with respect to the circumferential wall 76 of the connection region 74 and adjoins it in a step-like radial expansion region 90.
  • a radially outwardly leading exhaust nozzle 52 is further provided in the region of the connecting region 74 and the peripheral wall 76 with an exhaust outlet opening 54 formed therein and open in the direction of the housing interior 16. Since the third housing part 60 has a comparatively complex structure, in particular with the exhaust nozzle 52 to be provided, which can not be produced with all its structural features in an extrusion process, this third housing part 60 is preferably provided as a cast component in a casting process. wherein, for example, for the third housing part 60, the same building material, as can be used for the first housing part 56, for example, aluminum or an aluminum-containing alloy. Also, the second housing part 58 may be constructed with the same construction material as the first housing part 56, and the third housing part 58th
  • the in the Fig. 5 and 6 illustrated embodiment of a heat exchanger housing 10 differs from the above with reference to the Fig. 1 to 4 described embodiment is substantially in the construction of the second housing part 58.
  • This is constructed with a substantially dome-like and with respect to the housing interior 16 outwardly curved wall 92.
  • this wall 92 has a radially inwardly oriented and around the housing longitudinal axis L interruption-free circumferential connection surface 96.
  • a radially outwardly oriented connection surface 98 is provided in association with this radially inwardly oriented connection surface 96, similar to the second axial end region 72.
  • the two housing parts 56, 58 material fit, preferably by beam welding, such. B. electron beam welding, gas-tight connected over the entire circumference.
  • heat transfer ribs 102 are provided in association with the first heat transfer ribs 22 on the inner side 20 of the peripheral wall region 14. At least a portion of these, preferably all heat transfer fins 102 are positioned and / or dimensioned such that these first heat transfer fins 22 continue substantially continuously on the inner side 20 of the peripheral wall region 14. Thus, even in this area, in which the two housing parts 56, 58 adjoin one another, the exhaust gas flow in the housing interior 16 at the transition from the heat transfer ribs 102 to the first heat transfer ribs 22 is substantially not affected.
  • heat transfer ribs 106 are provided on a side facing away from the housing interior 16 outside 104 of the wall 92 of the second housing part 58. These are preferably arranged or dimensioned such that at least a part of, preferably all heat transfer ribs 106 continue second heat transfer ribs 26 on the outer side 24 of the peripheral wall region 14 substantially continuously. Thus, the air flow on the outside of the heat exchanger housing 10 in the adjoining region of the two housing parts 56, 58 to each other is not substantially affected.
  • a gap-like gap may be present, which is essentially formed by the length region in which the two connection surfaces 96, 98 overlap one another.
  • the heat transfer ribs 106 provided on the outside 104 of the wall 92 could be guided in the direction of the housing longitudinal axis L into that region of the wall 92 in which the radially inwardly oriented connection surface 96 is provided.
  • second housing part 58 has a comparatively complex, not in an extrusion process geometry, this is also preferably produced as a cast component in a casting process, in which case the same construction material as for the first housing part 56 and the third housing part 60 can be used.
  • the first housing part is such that it has a substantially constant over its entire axial length cross-sectional geometry, this first housing part can be made in an extrusion process, which leads to a better material quality and avoids the introduction of a Entformungsschräge. Only in those axial end regions, where, due to the structure of a respectively adjacent housing part, a radially oriented connection surface is to be provided, is a mechanical or machining post-processing of such an extrusion component necessary in order to produce the area required for the production of the welded connection.
  • the first housing part can be provided as an extruded component, this can be adapted in a simple manner to different dimensions of a heat exchanger housing to be constructed by appropriately sized lengths are separated from a strand produced by the extrusion process. Since a Entformungsschräge does not exist, has the peripheral wall area in all axial regions at the same radial distance from the flame tube, which favors the exhaust gas flow and improves the heat transfer capacity.
  • the other housing parts to be connected with such a first housing part which, if required by the complex geometry of these components, for example as die-cast components, can be adapted to the structure of a respective heat exchanger housing to be fitted, so that ultimately a modular housing System can be provided, in which for different heater types, for example, different third housing parts can be combined with correspondingly shaped combustion subrack carrier areas with different sized first housing parts or differently designed second housing parts.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)

Claims (13)

  1. Boîtier d'échangeur de chaleur, en particulier pour un dispositif de chauffage d'un véhicule utilisant un combustible pour chauffer de l'air, comprenant:
    - une région de paroi circonférentielle (14) allongée dans le sens d'un axe longitudinal de boîtier (L) entourant radialement à l'extérieur un intérieur de boîtier (16),
    - une région de paroi de fond (18) joignant la région de paroi circonférentielle (14) dans une première région d'extrémité axiale (62) de la région de paroi circonférentielle (14) et fermant l'intérieur de boîtier (16) dans un sens axial,
    - une région de support de module de combustion (28) joignant la région de paroi circonférentielle (14) dans une deuxième région d'extrémité axiale (72) de la région de paroi circonférentielle (14),
    où le boîtier d'échangeur de chaleur (12) comprend au moins trois parties de boîtier (56, 58, 60), où une première partie de boîtier (56) prévoit essentiellement la région de paroi circonférentielle (14), une deuxième partie de boitier (58) prévoit essentiellement la région de paroi de fond (18) et une troisième partie de boîtier (60) prévoit essentiellement la région de support de module de combustion (28), où la troisième partie de boîtier (60) comprend une paroi circonférentielle (76) continuant essentiellement axialement la région de paroi circonférentielle (14) dans une région de connexion (74) à être connectée à la première partie de boîtier (56), où des premières ailettes de transfert de chaleur (22) qui s'étendent dans le sens de l'axe longitudinal du boîtier (L) sont prévues à un côté intérieur (20) de la région de paroi circonférentielle (14) face à l'intérieur de boîtier (16), où la troisième partie de boîtier (60) comprend dans sa région de connexion (74) une surface de connexion (80) orientée radialement à l'extérieur ou radialement à l'intérieur et s'étendant sans interruption autour de l'axe longitudinal du boîtier (L), et comprend dans une région d'extrémité axiale (72) de la région de paroi circonférentielle (14) à être connectée à la troisième partie de boîtier (60) une surface de connexion (78) orientée radialement à l'extérieur ou radialement à l'intérieur et s'étendant sans interruption autour de l'axe longitudinal du boîtier (L),
    caractérisé en ce que
    des ailettes de transfert de chaleur (84) sont prévues à un côté intérieur (82) de la paroi circonférentielle (76) de la région de connexion (74), où des ailettes de transfert de chaleur (84) prévues à un côté intérieur (82) de la paroi circonférentielle (76) de la région de connexion (74) continuent des premières ailettes de transfert de chaleur (22) prévues à un côté intérieur (20) de la région de paroi circonférentielle (14) dans le sens de l'axe longitudinal du boîtier (L).
  2. Boîtier d'échangeur de chaleur selon la revendication 1, caractérisé en ce qu'à un côté extérieur (24) de la région de paroi circonférentielle (14) opposé à l'intérieur de boîtier (16) des deuxièmes ailettes de transfert de chaleur (26) s'étendant dans le sens de l'axe longitudinal du boîtier (L) sont prévues, où au moins une partie de, de préférence toutes les premières ailettes de transfert de chaleur (22) ou/et au moins une partie de, de préférence toutes les deuxièmes ailettes de transfert de chaleur (26) ont une géométrie transversale essentiellement constante dans les sens de l'axe longitudinal de boîtier (L), ou de préférence la région de paroi circonférentielle (14) comprend au moins dans la région d'extension de longueur des ailettes de transfert de chaleur (22, 26) prévues dans les sens de l'axe longitudinal de boîtier (L) une dimension radiale ou/et épaisseur de paroi essentiellement constante.
  3. Boîtier d'échangeur de chaleur selon une des revendications précédentes, caractérisé en ce que dans chaque région d'extrémité axiale (62, 72), la région de paroi circonférentielle (14) comprend une surface de connexion (78, 98) orientée radialement à l'intérieur ou radialement à l'extérieur et s'étendant sans interruption autour de l'axe longitudinal du boîtier (L).
  4. Boîtier d'échangeur de chaleur selon la revendication 2 et la revendication 3, caractérisé en ce que dans le cas d'une surface de connexion orientée radialement à l'intérieur dans la région d'extension de la surface de connexion à l'extérieur de la région de paroi circonférentielle, des deuxièmes ailettes de transfert de chaleur sont prévues ou en ce que dans le cas d'une surface de connexion (78, 98) orientée radialement à l'extérieur dans la région d'extension de la surface de connexion (78, 98) au côté intérieur (20) de la région de paroi circonférentielle (14), des premières ailettes de transfert de chaleur (22) sont prévues.
  5. Boîtier d'échangeur de chaleur selon une des revendications précédentes, caractérisé en ce que la première partie de boîtier (56) est un composant extrudé ou/et en ce que la deuxième partie de boîtier (58) comprend une plaque (64) qui est de préférence essentiellement plate, prévoyant la région de paroi de fond (18).
  6. Boîtier d'échangeur de chaleur selon la revendication 5, caractérisé en ce qu'aucune ailette de transfert de chaleur n'est prévue à un côté intérieur (68) de la plaque (64) orientées vers l'intérieur de boîtier (16) ou/et à un côté extérieur de la plaque (64) opposé à l'intérieur de boîtier (16), ou/et en ce que dans une région de bord radialement à l'extérieur (66) d'un côté intérieur (68) orienté vers l'intérieur de boîtier (16), la plaque (64) est connectée à une surface frontale (70) de la région de paroi circonférentielle (14) orientée essentiellement dans les sens de l'axe longitudinal de boîtier (L).
  7. Boîtier d'échangeur de chaleur selon une des revendications 1-5, caractérisé en ce que la deuxième partie de boitier (58) comprend une paroi essentiellement en forme de dôme (92) prévoyant la région de paroi de fond (18), où de préférence des ailettes de transfert de chaleur (102) sont prévues a un côté intérieur (100) de la paroi (92) orienté vers l'intérieur de boîtier (16) ou/et les ailettes de transfert de chaleur (106) sont prévues à un côté extérieur (104) de la paroi (92) orientée opposée à l'intérieur de boîtier (16).
  8. Boîtier d'échangeur de chaleur selon la revendication 2 et la revendication 7, caractérisé en ce que des ailettes de transfert de chaleur (102) prévues au côté intérieur (100) de la paroi (92) continuent des premières ailettes de transfert de chaleur (22) prévues au côté intérieur (20) de la région de paroi circonférentielle (14) dans le sens de l'axe longitudinal de boîtier (L) ou/et en ce que des ailettes de transfert de chaleur (106) prévues au côté extérieur (104) de la paroi (92) continuent les deuxièmes ailettes de transfert de chaleur (26) prévues au côté extérieur (24) de la région de paroi circonférentielle (14) dans les sens de l'axe longitudinal de boîtier (L).
  9. Boîtier d'échangeur de chaleur selon une des revendications 6-8, caractérisé en ce dans une région de bord radialement à l'extérieur (94) de la paroi (92) une surface de connexion (96) est prévue orientée radialement à l'extérieur ou radialement à l'intérieur et s'étendant autour de l'axe longitudinal du boîtier (L), de préférence sans interruption.
  10. Boîtier d'échangeur de chaleur selon une des revendications précédentes, caractérisé en ce que la deuxième partie de boitier (58) est un composant estampé ou découpé ou un composant moulé.
  11. Boîtier d'échangeur de chaleur selon une des revendications précédentes, caractérisé en ce que dans la région de connexion (74) une ouverture de sortie de gaz d'échappement (54) passant par la paroi circonférentielle (76) est prévue, ou/et en ce que la troisième partie de boîtier (60) comprend une région de montage (86) joignant la région de connexion (74) dans une région d'expansion radiale (90) avec une paroi circonférentielle (88) au moins partiellement décalée radialement vers l'extérieur par rapport à la paroi circonférentielle (76) de la région de connexion (74).
  12. Boîtier d'échangeur de chaleur selon une des revendications précédentes, caractérisé en ce que la troisième partie de boîtier (60) est un composant moulé ou/et en ce que la première partie de boîtier (56) est connectée à la deuxième partie de boitier (58) ou/et la troisième partie de boîtier (60) par soudage à faisceau, de préférence par soudage à faisceau d'électrons.
  13. Dispositif de chauffage de véhicule comprenant un boîtier d'échangeur de chaleur (10) selon une des revendications précédentes, où une soufflerie d'air de combustion ou/et un module de chambre de combustion sont supportés dans la région de support de module de combustion (28).
EP17209199.3A 2017-01-05 2017-12-21 Boîtier d'échangeur thermique Active EP3346219B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017100133.6A DE102017100133A1 (de) 2017-01-05 2017-01-05 Wärmetauschergehäuse

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EP3346219A1 EP3346219A1 (fr) 2018-07-11
EP3346219B1 true EP3346219B1 (fr) 2019-06-26

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CN (1) CN108278920A (fr)
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RU (1) RU2672993C1 (fr)

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DE102018120030A1 (de) 2018-08-17 2020-02-20 Eberspächer Climate Control Systems GmbH & Co. KG Fahrzeugheizgerät
DE102020105941A1 (de) * 2020-03-05 2021-09-09 Eberspächer Climate Control Systems GmbH Verfahren zur Herstellung eines Metallguss-Wärmetauschergehäuses für ein Fahrzeugheizgerät

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DE3208828A1 (de) * 1982-03-11 1983-09-22 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Mit fluessigem brennstoff betriebenes heizgeraet
DE3416878A1 (de) * 1984-05-08 1985-11-14 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Heizgeraet, insbesondere fahrzeug-zusatzheizgeraet
CA1282315C (fr) * 1985-10-10 1991-04-02 Bernhard Umlauf Appareil de chauffage alimente en carburant, pour vehicule
DE3639222C1 (en) * 1986-11-15 1988-07-07 Webasto Ag Fahrzeugtechnik Air-heating device
JPH0811523A (ja) * 1994-06-29 1996-01-16 Sanden Corp 暖房用ボイラ
DE19734814C1 (de) 1997-08-12 1999-01-14 Webasto Thermosysteme Gmbh Brennstoffbetriebene Heizvorrichtung mit optimierter Verbrennungsgasführung
DE10146610A1 (de) * 2001-09-21 2003-04-24 Eberspaecher J Gmbh & Co Wärmetauscheranordnung für eine Heizeinrichtung, insbesondere eine Kraftfahrzeugheizung
DE102005053514A1 (de) * 2004-11-26 2006-07-06 Webasto Ag Luftheizgerät für ein Kraftfahrzeug
DE102011004159A1 (de) * 2011-02-15 2012-08-16 J. Eberspächer GmbH & Co. KG Wärmetauscheranordnung, insbesondere für ein brennstoffbetriebenes Fahrzeugheizgerät
DE102011079018A1 (de) * 2011-07-12 2013-01-17 J. Eberspächer GmbH & Co. KG Fahrzeugheizgerät
DE102011081457A1 (de) * 2011-08-24 2013-02-28 J. Eberspächer GmbH & Co. KG Wärmetauschergehäuse, insbesondere für ein brennstoffbetriebenes Fahrzeugheizgerät
DE102012211857A1 (de) * 2012-07-06 2014-01-09 Behr Gmbh & Co. Kg Wärmeübertrager
DE102015106600A1 (de) * 2015-04-29 2016-11-03 Eberspächer Climate Control Systems GmbH & Co. KG Fahrzeugheizgerät

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RU2672993C1 (ru) 2018-11-21
CN108278920A (zh) 2018-07-13
EP3346219A1 (fr) 2018-07-11
DE102017100133A1 (de) 2018-07-05

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