WO2014009360A2 - Dispositif d'alimentation en air frais et procédé de fabrication - Google Patents

Dispositif d'alimentation en air frais et procédé de fabrication Download PDF

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Publication number
WO2014009360A2
WO2014009360A2 PCT/EP2013/064468 EP2013064468W WO2014009360A2 WO 2014009360 A2 WO2014009360 A2 WO 2014009360A2 EP 2013064468 W EP2013064468 W EP 2013064468W WO 2014009360 A2 WO2014009360 A2 WO 2014009360A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
region
edge region
intercooler
connection
Prior art date
Application number
PCT/EP2013/064468
Other languages
German (de)
English (en)
Other versions
WO2014009360A3 (fr
Inventor
Wolfgang GÜTH
Julian GOLITSCH
Original Assignee
Mahle International Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mahle International Gmbh filed Critical Mahle International Gmbh
Publication of WO2014009360A2 publication Critical patent/WO2014009360A2/fr
Publication of WO2014009360A3 publication Critical patent/WO2014009360A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0475—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly the intake air cooler being combined with another device, e.g. heater, valve, compressor, filter or EGR cooler, or being assembled on a special engine location
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268—Heating, cooling or thermal insulating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/067—Details
    • 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/146—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded overmolded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a fresh air supply device for an internal combustion engine, in particular of a motor vehicle.
  • the invention also relates to a method for producing such a fresh air supply device.
  • a conventional fresh air supply device comprises a housing which defines a fresh air path, can be supplied via the combustion chambers of an internal combustion engine with fresh air.
  • the fresh air supply device is usually equipped with a charge air cooler, which can be inserted into the housing so that the fresh air path leads through the intercooler.
  • the intercooler is manufactured separately from the housing, wherein comparatively large manufacturing tolerances may occur. This can lead to comparatively large positional tolerances between the intercooler and the housing. If fastening points between the intercooler and the housing, for example via flanges and the like, are also specified, tension in the intercooler may occur in the installed state due to the positional tolerances. Such tensions can already lead to damage of the intercooler during assembly.
  • damage to the charge air cooler may occur during operation of the fresh air supply device, since thermally induced relative movements between the charge air cooler and the housing can increase the voltages generated by the installation position to such an extent that permissible limit stresses are exceeded.
  • the present invention is concerned with the problem of such a fresh air supply device or for an associated manufacturing method to provide an improved embodiment, which is characterized in particular by the fact that the risk of impermissible tension between intercooler and housing is reduced due to positional tolerances.
  • the invention is based on the general idea, in a fresh air supply device whose housing has an insertion opening for inserting the intercooler in a direction of insertion to equip the intercooler with a flange which is associated with this insertion opening and having a connecting region made of plastic. Furthermore, it is proposed to equip the housing with a plastic edge region enclosing the insertion opening, so that it is possible to weld the closure area to the edge area after insertion of the intercooler.
  • the connection area and the edge area form fastening points of the intercooler and of the housing, which are connected to one another via a welded connection in order to fix the intercooler to the housing.
  • the insertion opening is sealed airtight and pressure-tight.
  • the attachment areas are soft and sometimes even liquid, which makes it possible in particular to compensate for positional tolerances between charge air cooler and housing more or less, so that a predetermined relative position between charge air cooler and housing can be adjusted with increased accuracy. As a result, installation-induced tension of the intercooler can be reduced or even avoided.
  • the flange is metallic and the connection region is molded onto the flange.
  • the intercooler may be a total of metallic, so be made of a metal or of a metal alloy. Due to the expected temperatures, especially light metals or light metal alloys are considered.
  • the metallic flange can be comparatively easily connected to the other components of the charge air cooler sufficiently tight. Usually, the individual components of the intercooler are soldered together.
  • the injection-molding of the connection region to the flange can be implemented particularly inexpensively in order to enable a welded connection between intercooler and housing, which can be used for the above-described tolerance compensation.
  • the flange may have at least one breakthrough, which is penetrated by the plastic of the connecting portion. This results in a positive integration of the flange in the connection area, which can be exposed to high mechanical loads and has the desired air and gas-tightness.
  • the housing relative to the insertion opening to a fresh air path open trough, in which a remote from the flange end portion of the charge air cooler is used.
  • the charge air cooler is positioned on the one hand via the flange and on the other hand via the end portion of the housing, resulting in a secure support of the intercooler on the housing.
  • the trough cooperates with the end portion used to form a movable bearing for the intercooler.
  • a movable bearing can be thermally induced movements of the intercooler relative to the housing allow.
  • the welded connection between flange and housing or between The bearing area and edge area forms a fixed bearing for the intercooler on the housing, so that thermally induced expansions drive the intercooler from the flange deeper into the trough.
  • thermally induced distortions between the intercooler and the housing can be largely avoided.
  • the housing may be designed as a distributor housing, depart from which a plurality of separate tubes, which are assigned to separate combustion chambers of the internal combustion engine.
  • the distributor housing can thus be provided for mounting directly on the internal combustion engine.
  • a welded connection by means of which the connection region is welded to the edge region, can compensate for positional deviations between the connection region and the edge region.
  • the connection area and the edge area during the production of the welded joint are at least partially soft or even liquid, whereby a predetermined space position for the intercooler can be set in the housing, which can lead depending on the manufacturing tolerance to a positional deviation between the connection region and the edge region. This positional deviation can now be compensated or compensated with the help of the weld joint.
  • connection region by means of which the connection region is welded to the edge region, in order to compensate for positional deviations between the connection region and the edge region, in a direction of insertion of the charge air Radiator measured height which varies in the circumferential direction of the weld joint.
  • the housing defines a housing-side longitudinal axis, for example, by the position of the insertion opening and optionally by the position of the aforementioned depression.
  • the edge region may lie in an edge region plane which runs more or less exactly perpendicular to this housing-side longitudinal axis.
  • the intercooler defines a radiator-side longitudinal axis, for example due to the spatial position of the flange and the spatial position of the end region remote therefrom.
  • the flange may lie in a flange plane which runs more or less exactly perpendicular to the radiator-side longitudinal axis.
  • the housing-side longitudinal axis and the radiator-side longitudinal axis are aligned parallel to each other.
  • the connection area plane and the edge area plane can thereby be inclined more or less strongly to one another. This results in the circumferential direction of the connecting region or the edge region, a varying distance, which is measured parallel to the insertion direction.
  • the welded connection is produced such that it has a height which varies in the circumferential direction according to the varying distance in the circumferential direction, which height is also measured parallel to the direction of insertion.
  • the predetermined optimum relative position between intercooler and housing can be fixed.
  • At least one catch edge adjoining the weld joint is formed at the connection region on a side facing the edge region. Additionally or alternatively, at least one adjacent to the weld joint at the edge region on a side facing the connection region Fangrand be formed.
  • the respective fishing edge can retain liquid plastic during the production of the welded connection and prevent it from escaping from the welding zone, as a result of which the quality of the weld that can be achieved can be considerably improved.
  • both inside and outside of the weld joint adjacent a closed circumferential fishing edge is provided.
  • connection region may abut against the edge region on an outer side of the housing facing away from the fresh air path and overlap the edge region laterally, ie transversely to the insertion direction.
  • the intercooler is first inserted through an insertion opening in the housing in a direction of insertion. Subsequently, a predetermined relative position between intercooler and housing is set. For example, a housing-side longitudinal axis and a radiator-side longitudinal axis are aligned parallel to one another. Subsequently, the connection area is welded to the edge area. As a result, the set predetermined relative position between charge air cooler and housing is fixed, at the same time the insertion opening is sealed airtight and pressure-tight.
  • connection region and edge region is detected, so that in the subsequent welding of the connection region with the edge region measured in the insertion direction height of the welded joint can be varied depending on the detected relative position between the connection region and edge region in the circumferential direction along the weld. In this way, a tolerance-related positional deviation between the connection region and the edge region can be taken into account and compensated accordingly.
  • a heat input can now be varied depending on the height of the welded joint to be produced.
  • the heat input correlates with the degree of softening or liquefaction of the respective section of the connection region or edge region, whereby the desired height profile of the welded connection in the circumferential direction can be simulated particularly easily in order to be able to compensate for the desired compensation of the relative positional deviation between connecting region and edge region ,
  • connection region and edge region can be carried out, for example, as hot gas welding or as laser welding or as infrared welding. These welding methods are particularly suitable for varying the heat input in the respective welding zone in the circumferential direction.
  • 1 is a longitudinal section of a charge air cooler
  • FIG. 2 is a plan view of the intercooler according to a viewing direction II in Fig. 1 without connecting region,
  • FIG. 3 is a plan view as in Fig. 2, but with connecting region,
  • FIG. 6 is a plan view of the fresh air supply device according to a viewing direction VI in Fig. 4,
  • 7 is an isometric view of the intercooler
  • 8 is an isometric view of the fresh air supply device
  • Fig. 9 is a circuit diagram-like schematic diagram of an internal combustion engine with such a fresh air supply device.
  • a fresh air supply device 1 comprises a housing 2 and a charge air cooler 3.
  • the housing 2 contains or defines a fresh air path 4.
  • the intercooler 3 is inserted into the housing 2, in such a way that the fresh air path 4 through the intercooler 3 passes.
  • the intercooler 3 has in a conventional manner a coolant inlet 5 and a coolant outlet 6, which lie outside the housing 2 in the mounted state.
  • a first water box 7 includes an unspecified inlet space communicating with the coolant inlet 5 and an unspecified outlet space communicating with the coolant outlet 6.
  • the first water tank 7 is fluidly connected via a plurality of cooling tubes 8 with a second water tank 9, which contains at least one deflection chamber unspecified here.
  • a first group of cooling tubes 8 connects the inlet chamber with the deflection chamber.
  • a second group of cooling tubes 8 connects the deflection chamber with the outlet chamber.
  • Between the cooling tubes 8 spaces 10 are formed, through which the fresh air path 4 can be passed through the charge air cooler 3.
  • slats 1 1 may be arranged, which is indicated in Figure 1. It is clear that these lamellae 1 1 can be arranged in the entire interstices 10. Furthermore, it is clear that such lamellae 1 1 can also be present in the states of Figures 4 and 7.
  • the charge air cooler 3 has a flange 12, which has a connection region 13 made of plastic.
  • the flange 12 or the core 14 may expediently have apertures 15 which are filled by the molded plastic of the connecting region 13. According to Figure 2, a plurality of such apertures 15 may be provided in the form of cylindrical bores.
  • the housing 2 has according to Figures 4 and 5, an insertion opening 16 through which the intercooler 3 can be inserted into the housing 2.
  • the insertion opening 16 is completely enclosed by an edge region 17 in a circumferential direction 48 indicated in FIGS. 2, 3 and 6 by a double arrow, which is made of plastic.
  • the edge region 17 is integrally formed on the housing 2, wherein the housing 2 is preferably made of plastic.
  • the housing 2 is an injection-molded part.
  • the flange 12 and its core 14 is suitably metallic, that is made of a metal or of a metal alloy.
  • the entire charge air cooler 3 is metallic, so that apart from the connection region 13, all components of the charge air cooler 3, namely coolant inlet 5, coolant outlet 6, first water tank 7, coolant tubes 8, second water tank 9 and fins 12 and flange 14 of a metal or are made of a metal alloy.
  • the flange 12 is associated with the insertion opening 16, such that the flange 12 in the installed state, the insertion opening 16 closes.
  • the closure region 13 is welded to the edge region 17.
  • a corresponding welded connection is designated by 18 in FIG.
  • a welding zone 19 of the connection is thus provided.
  • an outer catching rim 21, which adjoins the outside of the welded connection 18, and an inner catching edge 22, which adjoins the welded connection 18 on the inside, are provided on the connecting region 13 on a side facing the edge region 17.
  • the edge region 17 can also have, on a side facing the connection region 13, an outer catching edge 23 which adjoins the weld connection 18 on the outside, and an inner catching edge 24 which adjoins the welded connection 18 on the inside.
  • the catching edges 21, 22, 23, 24 also run completely and closed around the insertion opening 16 at the connecting region 13 or at the edge region 17.
  • the connection region 13 is arranged at the edge region 17 on an outer side of the housing 2 facing away from the fresh air path 4.
  • the connecting region 13 overlaps the edge region 17 laterally, that is to say transversely to an insertion direction 25, which is indicated in FIGS. 1, 4, 5, 7, 8 by an arrow which in FIGS. 1 and 4 corresponds to the respective viewing direction arrow of the viewing directions II and VI coincide.
  • the housing 2 has, according to Figure 4 with respect to the insertion opening 16 is a trough 26 which is open to the fresh air path 4 and into which a remote from the flange 12 end portion 27 of the charge air cooler 3 is immersed.
  • This end portion 27 corresponds substantially to the second water tank and a bottom 28 which is penetrated by the cooling tubes 8 and to which the second water tank 9 is attached.
  • Such a bottom 28 is formed in the region of the first water box 7 through the flange 12 and through the core 14 of the flange 12.
  • the trough 26 cooperates with the end portion 27 inserted therein to form a floating bearing for the intercooler 3.
  • Such a floating bearing allows thermally induced relative movements between the charge air
  • a fixed bearing is defined, which allows no relative movement between the intercooler 3 and the housing 2.
  • the housing 2 may preferably be designed as a distributor housing, from which depart a plurality of separate tubes 29, which lead to separate combustion chambers 30 (see Figure 9) of an internal combustion engine 31.
  • an internal combustion engine 31 comprises an engine block 32 which contains the combustion chambers 30 in corresponding cylinders, which are not designated here in greater detail.
  • a fresh air system 33 which serves for fresh air supply of the combustion chambers 30, contains the fresh air supply device 1, the housing 2 is designed here as a distributor housing and is connected via the tubes 29 to the engine block 32.
  • the fresh air system 33 includes upstream of the housing 2 a compressor 34 of an exhaust gas turbocharger 35. Between the compressor 34 and the housing 2, a throttle device 36 is arranged.
  • the internal combustion engine 31 also has an exhaust system 37, which discharges exhaust gas from the combustion chambers 30. Downstream of an exhaust manifold 38, the exhaust system 37 includes a turbine 39 of the exhaust gas turbocharger 35.
  • the charge air cooler 3 is integrated in a charge air cooling circuit 40, which comprises a coolant pump 41 and a cooler 42.
  • the engine block 32 is integrated in an engine cooling circuit 43 which comprises a coolant pump 44 and a cooler 45.
  • the two coolers 42, 45 of the two cooling circuits 40, 43 are arranged one behind the other in the example of FIG. 9, so that they can be successively flowed through by a cooling air flow 46 which can be generated or amplified by means of a blower 47.
  • a separate cooling circuit 40 is provided, which is provided separately to the engine cooling circuit 43.
  • the production of the fresh air supply device 1 can be carried out, for example, as follows:
  • the intercooler 3 which has been produced independently of the housing 2, inserted in the insertion direction 25 through the insertion opening 16 in the housing 2. Subsequently, an alignment of the charge air cooler 3 relative to the housing 2, thereby to set a predetermined relative position between the charge air cooler 3 and housing 2. Subsequently, the welding of the connecting region 13 with the edge region 17 takes place.
  • a resulting relative position between the connection region 13 and the edge region 17 can be detected.
  • the relative position between connecting region 13 and edge region 17 can differ from an optimal relative position, in which a connecting region plane in which connecting region 13 extends, and an edge region plane in which edge region 17 extends parallel to one another deviate more or less, so that the connection area level is inclined more or less strongly with respect to the edge area level.
  • a height of the welded connection 18 measured in the insertion direction 25 can be varied in the circumferential direction along the welded connection 18.
  • a variation in the height of the welded connection 18 can be realized, for example, by varying a heat input depending on the height of the welded connection 18 to be generated when welding from the connection area 13 and edge area 17 in the circumferential direction along the welded connection 18 to be produced. For example, in areas where a lower height is needed in the weld joint, more heat is supplied to achieve a higher degree of softening of the plastics from the bonding area 13 and edge area 17.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en air frais (1) d'un moteur à combustion interne (31), en particulier d'un véhicule automobile, comprenant un carter (2) qui définit un trajet d'air frais (4), et comprenant un dispositif de refroidissement (3) de l'air de suralimentation qui est installé dans le carter (2) de telle manière que le trajet d'air frais (4) traverse le dispositif de refroidissement (3) de l'air de suralimentation. Le carter (2) comporte une ouverture d'insertion (16) à travers laquelle le dispositif de refroidissement (3) de l'air de suralimentation peut être installé dans le carter (2). Les conditions de fabrication sont simplifiées si le dispositif de refroidissement (3) de l'air de suralimentation comporte sur un côté tourné vers l'ouverture d'insertion (16) une bride (12) présentant une partie assemblage (13) en matière plastique. Le carter (2) comporte une partie périphérique (17) en matière plastique bordant l'ouverture d'insertion (16), et la partie assemblage (13) est soudée à la partie périphérique (17).
PCT/EP2013/064468 2012-07-11 2013-07-09 Dispositif d'alimentation en air frais et procédé de fabrication WO2014009360A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012212110.2 2012-07-11
DE102012212110.2A DE102012212110A1 (de) 2012-07-11 2012-07-11 Frischluftversorgungseinrichtung und Herstellungsverfahren

Publications (2)

Publication Number Publication Date
WO2014009360A2 true WO2014009360A2 (fr) 2014-01-16
WO2014009360A3 WO2014009360A3 (fr) 2014-03-20

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WO (1) WO2014009360A2 (fr)

Cited By (1)

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WO2016005229A1 (fr) * 2014-07-07 2016-01-14 Mahle International Gmbh Liaison à bride et procédé de fabrication

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DE102015207320A1 (de) 2015-04-22 2016-10-27 Mahle International Gmbh Frischluftversorgungseinrichtung für eine Brennkraftmaschine und zugehöriges Herstellungsverfahren
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CN111006522A (zh) * 2019-12-23 2020-04-14 哈尔滨精方电力设备科技有限公司 一种调容式空气冷却器

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