WO2014131665A1 - Module d'aspiration d'une installation d'air neuf - Google Patents

Module d'aspiration d'une installation d'air neuf Download PDF

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Publication number
WO2014131665A1
WO2014131665A1 PCT/EP2014/053196 EP2014053196W WO2014131665A1 WO 2014131665 A1 WO2014131665 A1 WO 2014131665A1 EP 2014053196 W EP2014053196 W EP 2014053196W WO 2014131665 A1 WO2014131665 A1 WO 2014131665A1
Authority
WO
WIPO (PCT)
Prior art keywords
tie rod
opening
suction module
tension rod
module according
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2014/053196
Other languages
German (de)
English (en)
Inventor
Hans-Peter Drespling
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.)
Mahle International GmbH
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 WO2014131665A1 publication Critical patent/WO2014131665A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • 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
    • 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
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10354—Joining multiple sections together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/02—Releasable fastening devices locking by rotation
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0021—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut
    • F16B37/0807—Nuts engaged from the end of the bolt, e.g. axially slidable nuts
    • F16B37/085—Nuts engaged from the end of the bolt, e.g. axially slidable nuts with at least one unthreaded portion in both the nut and the bolt
    • 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
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F28F9/0132—Auxiliary supports for elements for tubes or tube-assemblies formed by slats, tie-rods, articulated or expandable rods
    • 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 suction module of a fresh air system for supplying fresh air to the combustion chambers of a supercharged internal combustion engine, in particular of a motor vehicle.
  • the invention also relates to a tie rod for use in such a suction module.
  • suction module is usually understood a motor-side end portion of a fresh air system, which serves to supply combustion chambers of the internal combustion engine with fresh air.
  • a suction module works as a distributor, by supplying the fresh air supplied to the suction module via a common fresh air line to the individual combustion chambers of the internal combustion engine, thus dividing the fresh air into the individual combustion chambers.
  • the suction module can be connected via individual suction pipes to inlet openings of the internal combustion engine, which each lead to one of the combustion chambers.
  • the intake module can also be connected directly to the internal combustion engine. It is also possible to connect the intake module via an intermediate flange to the internal combustion engine.
  • Such an intermediate flange may in particular contain flaps for controlling or influencing the fresh air flows to the individual combustion chambers.
  • flaps for controlling or influencing the fresh air flows to the individual combustion chambers.
  • such an intermediate flange contain swirl flaps, tumble flaps or swirl flaps.
  • a charge air cooler in the fresh air system downstream of the charging device to cool the charge air before it enters the combustion chambers.
  • a charge air cooler can be used expediently in a housing of the suction module, so that the cooling of the charge air can take place as close to the combustion chambers.
  • the housing of the suction module is usually made of plastic, while the intercooler is usually made of metal.
  • Tie rods can be used to fix the charge air cooler in the housing, for which purpose the respective tie rod penetrates the intercooler and is anchored in the housing.
  • the respective tie rod has in this case a head and a the intercooler passing through shaft, wherein the shaft of the respective tie rod spaced from the head has an anchor portion which projects axially into an armature opening of the housing.
  • the anchor portion of the respective tie rod may have an external thread, so that the respective tie rod is designed as a screw.
  • the associated anchor opening can then expediently have an internal thread that is complementary to the external thread of the anchor section, so that the respective tie rod with its anchor section can be screwed into the anchor opening of the housing.
  • the intercooler can be fastened by means of the tie rods by screwing on the housing.
  • the intake module and the charge air cooler are exposed to high thermal loads, which can lead to relative movements between charge air cooler and housing or to thermally induced stresses due to different thermal expansion coefficients. Furthermore, during operation of the internal combustion engine, in particular when the internal combustion engine is used in a motor vehicle, vibrations and vibrations may occur. It has been shown that screw connections can be released automatically under these boundary conditions, so that the fixation of the Intercooler with the help of such fittings is not permanently ensured.
  • a quick release which operates with a rotatably mounted in a first component plug-in screw and formed in a second component plug-in thread.
  • the male thread has two diametrically opposed thread segments, while the male thread has two diametrically opposed recesses through which the threaded portions of the plug are axially inserted.
  • the push-in screw can be turned through 90 ° so that the threaded sections of the push-in screw interact with the threaded sections of the threaded opening.
  • the present invention is concerned with the problem of providing for a suction module of the type mentioned or for an associated tie rod an improved embodiment, which is particularly characterized in that with the help of the respective tie rod a permanent fixation of the intercooler on the housing can be realized.
  • the invention is based on the general idea that, at the armature section of the respective tie rod, at least one radial part is used instead of an external thread. extending and extending in the circumferential direction by less than 360 ° extending blade which cuts or is cut in the mounted state in an opening radially bounding the armature opening. It has been found that a blade cutting into the opening wall shows a much lower sensitivity to vibrations and elongation effects, so that a fixation with improved fatigue strength can be realized.
  • the invention proposes to equip the respective armature opening with an opening cross section which is complementary to an axial projection of the armature section, in particular complementary, to a shank cross section in the region of such a blade is formed.
  • the shape of the opening cross-section is made such that the anchor portion of the respective tie rod in an insertion rotational position between the anchor portion and the anchor hole is axially inserted into the anchor hole.
  • the respective tie rod can then be transferred about a longitudinal center axis of the tie rod from the insertion rotational position into a securing rotational position between the anchor segment and the anchor opening.
  • the respective blade then cuts radially into said opening wall, which radially delimits the armature opening.
  • the respective armature opening is not designed as a threaded opening provided with an internal thread, but as a plug-in opening, in which the anchor portion of the respective tie rod without rotation is axially inserted, without causing a significant impediment between an outer contour of the anchor portion and an inner contour the anchor hole comes.
  • an opening cross section of the armature opening forms a negative of the shaft cross section in the region of the respective blade.
  • the opening wall for the respective blade has a radially outwardly and in the circumferential direction extending recess through which the respective blade is axially insertable in the Ein 1500FFlage.
  • the respective blade may extend in the circumferential direction without incline.
  • axial forces acting on the tie rod can also generate only axial forces in the region of the interaction between the opening wall and the respective blade engaging therein, so that no torques arise in this area, which could turn back the tie rod in the Ein 1500 jetlage.
  • a blade which extends without a slope in the circumferential direction can extend, for example, in a blade plane which runs perpendicular to the longitudinal central axis of the respective tie rod.
  • the respective blade then extends in a lateral surface of a truncated cone, which is arranged coaxially to the longitudinal central axis of the respective tie rod.
  • the respective blade forms a kind of barb in a longitudinal section of the tie rod.
  • a rotation lock can be provided which impedes or prevents an automatic turning back of the tie rod from the securing rotational position into the insertion rotational position.
  • a rotation lock can be realized for example by means of a positive connection.
  • the respective tie rod is suitably made of metal.
  • a similar metal is used for the tie rod as for the production of the intercooler to achieve similar thermal expansion coefficients.
  • intercoolers are made of light metal or light metal alloys, so that the respective tie rod is preferably made of light metal or of a light metal alloy.
  • the respective tie rods can also be made of an iron alloy, in particular steel or stainless steel.
  • an incision formed in the opening wall, with which the respective blade engages in the securing rotational position can be generated by the respective blade when the tension rod is rotated into the securing rotational position.
  • the opening wall has no incision in an initial state before the twisting of the tie rod, since this is generated only upon rotation of the tie rod in the securing rotational position. This measure makes it particularly easy to compensate for manufacturing tolerances.
  • a plurality of blades may be axially spaced apart from each other in the armature portion and arranged axially aligned with each other.
  • At least two blades may be arranged spaced apart from each other in the circumferential direction at the same axial position of the anchor portion.
  • the number of blades can be increased, which reduces the load on the individual blade.
  • Particularly advantageous is an embodiment in which at the same axial position of the anchor portion exactly two blades are arranged, which are spaced apart in the circumferential direction and which are diametrically opposite with respect to the longitudinal center axis of the tie rod.
  • the blades occur in pairs.
  • several pairs of blades may here be axially spaced from each other and axially aligned with each other.
  • the respective blade may extend in the circumferential direction over 60 ° to 120 ° or over 70 ° to 110 ° or over 80 ° to 100 ° or about 90 °.
  • Particularly advantageous is a configuration in which a plurality of axially spaced pairs of blades are provided, in which the associated blades are diametrically opposed and each extending over about 90 °. In this case, a twisting of the tie rod by about 90 ° can cause all the blades cut into the opening wall of the anchor hole.
  • the respective blade is configured as a cutting edge at a circumferential end which precedes in a securing rotational direction in which the tension rod is transferred from the insertion rotational position into the securing rotational position.
  • the cutting edge can be formed by a sharp-edged circumferential end.
  • the circumferential end itself can taper or taper in the securing direction of rotation.
  • the respective blade is shaped so that its radial extent decreases in the securing direction of rotation, preferably to the shaft.
  • at least one such blade may have at least one barb, which engages with the opening wall within the respective cut created with the blade and obstructs a turning back into the insertion rotational position by positive locking.
  • an end remote from the head of the respective tie rod can be configured as a centering tip, which engages axially in a centering opening adjoining the armature opening and is rotatable about the longitudinal central axis of the tie rod.
  • the cooperating with the centering centering on the one hand helps find the intended relative position between intercooler and housing. On the other hand, it stores the tie rod and can support the radial forces that occur when twisting and cutting the respective blade in the opening wall.
  • the centering tip may have a circular cylindrical outer contour.
  • the centering can expediently have a circular cylindrical inner contour.
  • the head of the respective tie rod may have a drive engagement for introducing a torque driving the tie rod about its longitudinal center axis.
  • a drive engagement can be configured, for example, as a polygonal socket or as an external polygon.
  • Another embodiment is characterized in that a sealing collar for fixing a sealing element is formed on the head of the respective tie rod on a side facing the shaft.
  • the tie rod can simultaneously serve as a carrier for the respective sealing element.
  • the respective tie rods with its shank also formed by a through opening formed in the housing perform, which is fluidly connected to a fresh air path, which passes through the housing and through the intercooler.
  • the head of the respective tie rod may be directly or indirectly, for example via a sealing element and / or a disc, supported on the intercooler, so that the fixation of the charge air cooler takes place on the housing in the interior of the housing.
  • the head of the respective tie rod may be directly or indirectly, e.g. supported by a disc and / or a sealing element, on a side remote from the intercooler outside of the housing. In this case, the fixation of the intercooler takes place on the housing from the outside through the housing. At the same time, the housing can be clamped to the intercooler.
  • the shank of the respective tie rod can carry a closure element which closes a head-facing opening end of the anchor opening. In this way, e.g. reduces a dirt entry into the anchor opening.
  • Fig. 1 is a greatly simplified schematic diagram of a schematic
  • FIG. 2 shows a longitudinal section of a suction module of the fresh air system in the region of a tie rod
  • FIG. 6 shows a section of the suction module transversely to the tie rod in the region of
  • FIG. 7 shows a section as in FIG. 6, but in a securing rotary position
  • Fig. 1 1 is an enlarged detail view as in Fig. 10, but in the securing rotational position.
  • an internal combustion engine 1 which is preferably used in a motor vehicle, comprises an engine block 2, in which a plurality of combustion chambers 3 are formed.
  • the internal combustion engine 1 is equipped with a fresh air system 4.
  • a corresponding fresh air flow is indicated by arrows 5.
  • the internal combustion engine 1 has an exhaust system 6.
  • a corresponding exhaust gas flow is indicated by arrows 7.
  • the internal combustion engine 1 is also equipped with an exhaust gas turbocharger 8, the turbine 9 is arranged in the exhaust system 6 and the compressor 10 is arranged in the fresh air system 4.
  • this is a supercharged internal combustion engine 1.
  • the fresh air system 4 has at the transition to the engine block 2, a suction module 1 1.
  • This suction module 1 according to Figures 1, 2 and 6 to 1 1, a housing 12, which is preferably made of plastic.
  • a charge air cooler 13 is arranged according to the figures 1 and 2, through which a coolant path 14 is passed in accordance with FIG. 1, which is connected in a suitable manner to a cooling circuit 15.
  • At least one tie rod 16 is provided for fixing the intercooler 13 in the housing 12.
  • the tie rod 16 passes through the intercooler 13 in a radiator through opening 17.
  • the tie rod 16 also passes through the housing 12 in a housing passage opening 18. It is clear that in principle a plurality of such tie rods 16 can be used to set the intercooler 13 on the housing 12.
  • the respective tie rod 16 has a head 19 and a shaft 20.
  • the head 19 is supported directly on a side facing away from the intercooler 13 outside 21 of the housing 12.
  • the intercooler 13 is thus fixed from the outside by the housing 12 on the housing 12.
  • an embodiment is conceivable in which the head 19 is supported within the housing 12 directly or indirectly on the intercooler 13.
  • the intercooler 13 can be adjusted by means of the respective tie rod 16 between a housing section 22 arranged proximally to the head 19 and a housing section 23 arranged distally to the head 19 with respect to a longitudinal central axis 24 of the tie rod 16 axially clamp.
  • the housing 12 is significantly stabilized.
  • the tie rod 16 passes through the housing passage opening 18 and the radiator through opening 17 with its shaft 20 and protrudes axially into an armature opening 26 of the housing 12 with an armature section 25 of the shaft 20 spaced from the head 19.
  • the anchor portion 25 projects axially beyond an armature opening 26 facing side of the intercooler 16.
  • the armature section 25 has at least one blade 27, which projects radially from the shaft 20 or from the armature section 25 and extends in a circumferential direction 28 which rotates about the longitudinal center axis 24 of the tie rod 16, as shown in FIGS 6 and 7 is indicated by a double arrow.
  • a plurality of such blades 27 are provided.
  • the respective blade 27 extends in the Um- Starting direction 28 less than 360 °.
  • the respective blade 27 extends in the circumferential direction 28 in each case over approximately 90 °.
  • the associated armature opening 26 has an opening cross-section 29, which is shaped substantially complementary to a shank cross-section 30 which the shank 20 or the anchor section 25 of the shank 20 has in the region of the respective blade 27.
  • the opening cross-section 29 is formed substantially complementary to an axial projection of the anchor section 25 oriented parallel to the longitudinal central axis 24. Since, in the embodiments shown here, two blades 27 are diametrically opposed to each other at the same axial position of the armature section 25, the shank cross section 30 also encloses the contours of the two opposing blades 27 in addition to the contour of the shaft 20.
  • the opening cross section is now open to this essentially rectangular shank cross section 30 29 formed largely complementary, in such a way that the anchor portion 25 in a reproduced in Figures 6, 8 and 10 Ein Concretewindlage between the anchor portion 25 and the armature opening 26 axially into the armature opening 26 is inserted.
  • the blades 27 extend in the circumferential direction 28 without a slope, ie without a thread pitch.
  • the blades 27 each extend in a blade plane which runs perpendicular to the longitudinal central axis 24 of the respective tie rod 16.
  • exactly two blades 27 are arranged diametrically opposite each other at the same axial position of the anchor portion 25.
  • such pairs arranged blades 27 are also axially spaced apart and axially aligned with each other. For example, in FIG. 4, seven pairs of blades can be recognized.
  • Figures 5 to 7 can be seen that the respective blade 27 at a first circumferential end 33 which precedes in the securing direction of rotation 32, designed as a cutting edge, which is designed relatively sharp.
  • these figures 6 and 7 can be seen that a radius to a radially outer outer edge of the respective blade 27, starting from the first circumferential end 33 in the circumferential direction increases, whereby also the cutting action for cutting the blades 27 is improved in the opening wall 31.
  • an end of the respective tie rod 16 remote from the head 19 can be designed as a centering tip 35.
  • this centering tip 35 can be used when mounting the pull Ankers 16 axially engage in a Zentherö Stamm 36, which connects axially to the armature opening 26.
  • the centering tip 35 engaging in the centering opening 36 can be rotated in the centering opening 36 about the longitudinal central axis 24 of the tie rod 16.
  • Centering opening 36 is a pivot bearing for the tie rod 16 about the longitudinal center axis 24.
  • an outer contour of the centering tip 35 as well as an inner contour of the centering hole 36 is designed circular-cylindrical.
  • the head 19 may have a drive engagement 37 which is configured here as a polygon socket.
  • the drive engagement 37 serves to introduce a torque into the tie rod 16, which drives the tie rod 16 about its longitudinal central axis 24.
  • a sealing collar 38 is formed on a shaft 20 side facing. With the aid of the sealing collar 38, an annular sealing element 39 shown in FIG. 2 can be fixed on the shaft 20 in order to close the housing passage opening 18 tightly.
  • the shaft 20 also carries at the transition to the anchor portion 25, a closure member 40, which may also be formed by an annular sealing element.
  • the closure element 40 closes an opening end of the armature opening 26 facing the head 19.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un module d'aspiration (11) d'une installation d'air neuf (4) conçue pour amener de l'air neuf vers les chambres de combustion (3) d'un moteur à combustion suralimenté (1), en particulier d'un véhicule automobile, comprenant un boîtier (12) en matière plastique, un refroidisseur d'air de suralimentation (13) qui est disposé dans le boîtier (12), au moins un tirant d'ancrage (16) qui traverse le refroidisseur d'air de suralimentation (13) et qui est ancré dans le boîtier (12), ledit tirant d'ancrage (16) comportant une tête (19) et une tige (20) traversant le refroidisseur d'air de suralimentation (13), la tige (20) dudit tirant d'ancrage (16) présentant, à une distance de la tête (19), une section d'ancrage (25) faisant saillie axialement dans une ouverture d'ancrage (26) du boîtier (12). Une structure avantageuse se présente de la manière suivante : la section d'ancrage (25) dudit tirant d'ancrage (16) comprend au moins une lame (27) faisant saillie radialement et s'étendant dans la direction périphérique (28) sur moins de 360°, et ladite ouverture d'ancrage (26) présente une section transversale d'ouverture (29) formée de manière à être complémentaire à une section transversale de tige (30) dans la zone d'une telle lame (27), de sorte que la section d'ancrage (25) puisse être introduite axialement dans l'ouverture d'ancrage (26) entre la section d'ancrage (25) et l'ouverture d'ancrage (26) dans une position rotative d'introduction et puisse en outre être positionnée dans une position rotative de sécurité entre la section d'ancrage (25) et l'ouverture d'ancrage (26) par rotation autour d'un axe longitudinal central (24) du tirant d'ancrage (16), position dans laquelle ladite lame (27) incise radialement une paroi d'ouverture (31) qui est radialement adjacente à l'ouverture d'ancrage (26).
PCT/EP2014/053196 2013-02-26 2014-02-19 Module d'aspiration d'une installation d'air neuf Ceased WO2014131665A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013203095.9 2013-02-26
DE102013203095.9A DE102013203095A1 (de) 2013-02-26 2013-02-26 Saugmodul einer Frischluftanlage

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WO2014131665A1 true WO2014131665A1 (fr) 2014-09-04

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PCT/EP2014/053196 Ceased WO2014131665A1 (fr) 2013-02-26 2014-02-19 Module d'aspiration d'une installation d'air neuf

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WO (1) WO2014131665A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110714864A (zh) * 2018-07-11 2020-01-21 曼·胡默尔有限公司 尤其内燃机的进气段中的、用于接纳处于交变压力下的流体的结构单元

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Publication number Priority date Publication date Assignee Title
DE102015220862A1 (de) * 2015-10-26 2017-04-27 Schaeffler Technologies AG & Co. KG Befestigungsanordnung sowie Verfahren zur Bildung der Befestigungsanordnung
DE102018116796A1 (de) 2018-07-11 2020-01-16 Mann+Hummel Gmbh Baueinheit zur Aufnahme eines unter wechselndem Druck stehenden Fluids, insbesondere im Ansaugtrakt einer Brennkraftmaschine

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WO1995010746A1 (fr) * 1993-10-13 1995-04-20 Mircea Dinulescu Echangeur de chaleur en forme de table
US20070036629A1 (en) * 2005-08-10 2007-02-15 Hung-Chin Hsu Fast fasten and loose resistant bolt and nut structure
DE102011100629A1 (de) * 2011-05-05 2012-11-08 Behr Gmbh & Co. Kg Ladeluftkanal für einen Verbrennungsmotor
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CN110714864B (zh) * 2018-07-11 2022-11-18 曼·胡默尔有限公司 尤其内燃机的进气段中的、用于接纳处于交变压力下的流体的结构单元

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