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
  • 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
• • 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
  • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
• • 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
  • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
  • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
  • F28F9/0268—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box in the form of multiple deflectors for channeling the heat exchange medium
• • 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
  • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
  • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
  • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
  • F28D1/0308—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
  • F28D1/0325—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
• • 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
  • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
  • F28F2265/10—Safety or protection arrangements; Arrangements for preventing malfunction for preventing overheating, e.g. heat shields
• • 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 invention relates to a cover for an intake box for a feed gas flow of an internal combustion engine, an intake housing of an internal combustion engine and an intake module for the flow of fuel.
• supply gas provided with such a lid.
• gas is meant air or a mixture of air and exhaust.
• the invention will find its applications as an integral part of a gas intake device, for the introduction of said gases into the cylinder head of an internal combustion engine of a motor vehicle.
• An internal combustion engine of a motor vehicle comprises a plurality of combustion chambers delimited each by a piston, a cylinder and a portion of a cylinder head. These combustion chambers receive a mixture of oxidizer and fuel to be burned to generate the engine work.
• the oxidant comprises air, which can be compressed or not, depending on whether the engine comprises a turbocharger or not.
• the air can also be mixed with exhaust gases recirculated exhaust gas.
• the gases admitted to the combustion chamber will hereinafter be referred to as the feed gas.
• the heat exchanger used in the latter device comprises a beam but it also comprises a cooling fluid distribution zone whose function is to conduct the fluid from conduits,
• the object of the present invention is therefore to solve the disadvantage described above mainly by limiting or preventing the circulation of the feed gases at the distribution zone of the exchanger cooling fluid.
• a limitation is made by simple and easily industrializable means by forming on the lid a piece for channeling the supply gas out of the distribution zone of the cooling fluid of the exchanger. It also promotes a guide of the feed gas flow to the heat exchanger beam.
• the invention therefore relates to a cover adapted to be installed at least opposite a heat exchanger between a feed gas flow of an engine
• said heat exchanger comprising a beam and a distribution zone of the cooling fluid in the beam, characterized in that the cover comprises an outgrowth adapted to limit the flow of the gas flow. supply to the right of the distribution zone of the cooling fluid. Outgrowth forms an obstacle, arranged
• the protuberance has a function of deflecting the feed gas flow.
• the lid comprises an inlet mouth of the feed gas flow and an outlet mouth of the flow of feed gas joined by a wall, and in which the protrusion s' extends in a plane parallel to an extension plane of the outlet mouth.
• the protrusion delimits both the inlet mouth and the outlet mouth.
• the cover comprises a docking edge adapted to bear against an intake housing in which the heat exchanger is housed, the protrusion extending from the edge of docking.
• Such extension of the protrusion is advantageously carried out in the extension of the docking edge.
• the lid is made by means of a casting step.
• the lid is made from a crude made by a foundry process.
• the cover comprises a metal sheet provided with an opening forming inlet mouth, said protrusion being derived from said metal sheet.
• the protrusion originates on a slice of the inlet mouth and is formed by folding a portion of the metal sheet which initially obstructs the inlet mouth.
• the folding of the protrusion is arranged so that one end of the protrusion is able to come into contact with the heat exchanger.
• the lid is made by means of a stamping step.
• the cover comprises at least one step of forming the metal sheet made by stamping.
• the protrusion 20 comprises two longitudinal ends and the protrusion is made at only one of the two ends.
• the invention is also aimed at an intake box of an internal combustion engine capable of receiving a heat exchanger between a flow of feed gas circulating in the housing and a fluid, said intake box comprising a cover made according to any of the features described above.
• the invention covers an air intake module of an internal combustion engine comprising an intake housing as mentioned above and a heat exchanger provided in said intake housing.
• a first advantage of the invention lies in the increase of the heat exchange performance between the feed gas stream and the fluid flowing in the heat exchanger.
• Another advantage lies in the simplicity of realization of the means which limits the circulation of supply gas at the distribution zone of the exchanger cooling fluid. Indeed, this means is integrated in the lid so that its installation does not require any additional action.
• FIG 1 is a perspective view of a first embodiment of the cover according to the invention
• FIG. 2 is a perspective view of a first embodiment of a second variant of the lid according to the invention.
• FIG 3 is a perspective view of a second embodiment of the second embodiment of the cover according to the invention.
• FIG. 4 is a partial perspective view of the air intake module incorporating the lid illustrated in FIG. 3.
• FIG. 1 illustrates a cover 1 of an intake housing of an internal combustion engine.
• a housing receives a heat exchanger, otherwise called heat exchanger, through which a flow of feed gas circulating in the housing.
• the main function of this heat exchanger is to cool the feed gases before they enter the combustion chambers 20 of the internal combustion engine.
• the lid 1 channels the flow of feed gas to a front face of the heat exchanger but the lid according to the invention can also be disposed at the outlet of the heat exchanger, that is to say to channel the flow supply gas after cooling by the heat exchanger.
• the following description will be made in connection with a pipe, or a guide, in the direction of the front face of the heat exchanger but it goes without saying that this description is applicable to the use of the lid at the outlet of the heat exchanger.
• This cover 1 is intended to be mounted at least facing the heat exchanger 30, more particularly facing a front end face of this heat exchanger.
• the cooling of the gas flow is effected by a heat transfer between this flow and a so-called cooling fluid which circulates in the heart of the heat exchanger.
• This fluid is, for example, a cooling fluid which circulates in a cooling loop of the engine that equips the vehicle.
• Such a loop or cooling circuit contributes to the thermal conditioning of the internal combustion engine that equips the vehicle.
• the heat exchanger comprises a bundle and a distribution zone of the cooling fluid in the bundle.
• the bundle is the portion devoted to the heat exchange between the feed gas stream and the cooling fluid and it comprises a plurality of tubes, for example formed by pairs of contiguous plates, between which are installed spacers, said interlayers promoting heat exchange between the feed gas stream flowing between the tubes and the cooling fluid circulating in the tubes.
• This beam receives the cooling fluid from the distribution zone of the cooling fluid, the latter being otherwise called collector box of the exchanger.
• the distribution zone of the cooling fluid has a series of shoulders, for example, brazed together.
• the cover 1 comprises an outgrowth 2 designed to limit the flow of the supply gas flow to the right of the fluid distribution zone.
• this protrusion 2 is installed on the cover 1 so as to deflect the flow of feed gas so that the latter does not pass at the region of distribution of the cooling fluid. Correlatively, such a deviation operated by the protrusion 2 promotes the use of the beam.
• the cover 1 comes from a part made from a foundry process.
• the constituent material of this piece is here an aluminum or an aluminum alloy.
• the cover 1 comprises a wall 3, otherwise called envelope, which delimits an internal volume in which flows the flow of feed gas.
• This wall 3 comprises a bottom 4 at the edges of which
• first side wall 5 and a second side wall 6 extend a first side wall 5 and a second side wall 6.
• the bottom follows a curvilinear profile while the first side wall 5 and the second side wall 6 are flat and bevelled to fit the curvilinear profile of the bottom 4.
• the first side wall 5, the second side wall 6 and the bottom 4 define an inlet mouth 7 of the feed gas stream.
• This inlet mouth 7 is an opening surrounded by a connecting edge 8, the latter being an integral part of the first side wall 5, the second side wall 6 and the bottom 4.
• the inlet mouth 7 is made at a first end of the lid while the opposite end of the lid, called the second end, ends to bevel to force the direction of the flow of gas to the heat exchanger. These ends are qualified hereinafter longitudinal because they terminate the cover in the length of the latter.
• An outlet mouth 9 is circumferentially surrounded by a docking edge 10, the latter being formed all along the free end of the first side wall 5, the second side wall 6 and the bottom 4.
• This edge 10 is the structural element of the cover 1 which bears against the intake housing in which the heat exchanger is housed.
• the docking station 10 receives, for example, a weld bead for sealing and mechanically bonding the cover 1 with the intake housing.
• the outlet mouth 9 is thus formed by a perforated sector which extends in a plane passing through the docking edge 10.
• the protrusion 2 is, for example, made to extend into the outlet mouth 9. According to FIG. variant
• the protrusion 2 is formed by a rectilinear strip whose extension plane is parallel to the plane of the outlet mouth 9. This ruler or rib thus encroaches on the area of the outlet mouth 9 delimited by
• the invention provides that an outer face 1 1 of the protrusion 2, that is to say the face facing the heat exchanger, extends in a plan which is confused with the plane of the outlet mouth 9. It is thus understood that the protrusion 2 is made in the extension of the docking edge 10, that is to say material issue with this edge, in the direction of the open section defining the outlet mouth 9.
• the protrusion 2 is made only to one of the
• the cover 1 Two longitudinal ends of the cover 1 because the heat exchanger has only one distribution zone of the cooling fluid. It goes without saying that a cover 1 equipped with several protuberances 2 arranged to limit the flow of the feed gas flow to the right of a plurality of zones of distribution of the cooling fluid is covered by the invention. Likewise, the position of the protrusion 2 is not limited to one end of the lid 1. Indeed, this protrusion may come from the first side wall and extend to the second side wall but separately from the longitudinal ends.
• the protrusion 2 extends both in the outlet mouth 9 but also in the inlet mouth 7. In other words, the protrusion 2 overflows the edge of approaching the outlet mouth 9 while defining the connecting edge 8 of the inlet mouth 7.
• FIG. 1 shows a first blade referenced 12 and a second blade 13, where the second blade 13 extends in the internal volume of the lid at least
• FIG. 2 shows a first embodiment of a second variant of the lid 1 according to the invention.
• This cover 1 is here made from a metal sheet or strip 14, 25 especially of aluminum or aluminum alloy.
• This metal sheet 14 is shaped by a stamping process. It comprises a central band 15 of substantially parallelepiped shape and two sidewalls referenced 16 and 17 which extend in the length of the central strip 15. These flanks 16 and 17 extend in a plane perpendicular to the extension plane of the strip Central.
• They are for example made by a folding operation, or during the stamping operation.
• the metal sheet 14 is provided with an opening which forms the inlet mouth 7. This opening is made in the central strip at one end of the latter.
• the lid 1 has a series of sectors folded relative to each other.
• a first sector 18 begins at a longitudinal end of the cover and extends in a first plane.
• This first sector 18 continues with a second sector 19 which extends in a second inclined plane relative to the first plane at an angle of, for example, between 20 ° and 30 °, in a bend in the anti-trigonometric direction.
• a third sector 20 which extends in a third inclined plane relative to the second plane at an angle of, for example, between 20 ° and 30 °, in an anti-bending direction. trigonometric.
• the cover 1 continues with a fourth sector 21 which extends in a fourth inclined plane relative to the third plane at an angle of, for example, between 40 and 60 °, according to a folding in the trigonometrical direction. In such a situation, the fourth plane is particularly parallel to the foreground. Finally, the lid terminates in a fifth sector 22 which extends in a fifth plane orthogonal to the fourth plane, in a trigonometric bend.
• the inlet mouth 7 is made more specifically through the fifth sector and occupies the entire area of this fifth sector 22. This inlet mouth 7 is then delimited by a wafer 23 which surrounds
• the protrusion 2 is derived from the metal sheet 14 in the sense that it is a portion of the central strip 15 which forms the protrusion 2. This protrusion 2 then performs its function of limiting the circulation of the flow supply gas by folding a portion of sheet metal which, before cutting the inlet mouth 7, occupies the fifth sector 22. In other words, it takes advantage of the material usually removed from the cover 1 creating the mouth input 7 to achieve the protrusion 2 which blocks the circulation of the feed gas stream to the right of the distribution zone of the cooling fluid of the heat exchanger.
• the protrusion 2 is thus connected to the edge 23 of the inlet mouth 7 and furthermore comprises a free end 24 which lies between the two longitudinal ends of the cover 1.
• the folding of the protrusion 2 is practiced so that this free end 24 comes to the contact of the heat exchanger, and more particularly of the front face of the heat exchanger. This ensures that the flow of feed gas can not return to the distribution zone of the cooling fluid of the heat exchanger by means of a gap between the outgrowth and the latter.
• the protrusion 2 then extends in a plane inclined with respect to the fifth sector 22, at an angle of between 90 ° and 100 ° and bent in the anti-trigonometric direction.
• the protrusion 2 also plays a deflector role of the feed gas flow by promoting its guidance to the heat exchanger beam, and more particularly to the portion of the beam located at the right of the first sector 15.
• FIG. 3 illustrates a second embodiment of the second embodiment of the cover 1.
• This second embodiment is made from a metal sheet 14 which has the first sector 18 beginning at a longitudinal end of the cover.
• This first sector 18 extends in a first plane and continues with a second sector 19 which extends in a second plane inclined relative to the
• the cover 1 In the foreground at an angle of, for example, 40 ° to 90 °, in a trigonometric bend.
• the cover 1 then has a general shape in "L".
• the central strip 15 is bordered by the flanks 16 and 17, the latter extending both on the first and second sectors, respectively referenced 18 and 19.
• the inlet mouth 7 is made through the second sector 19 but occupies only partially the area covered by the second sector 19.
• FIG. 2 partially shows the intake housing 26 and the intake module 27 which both incorporate the lid 1 according to the invention.
• the intake housing 26 guides or channels the flow of feed gas to an internal combustion engine.
• This intake housing 26 is adapted to receive the heat exchanger, here referenced 28.
• This intake housing 26 comprises at least one housing 29 and a lid 1 according to the invention.
• the housing 29 is disposed at least at each end of the heat exchanger 28 and has a folded edge 30 which cooperates with the sidewall 16 of the cover 1.
• the seal at the right of this folded edge 30 and this sidewall 16 is made for example by a weld seam.
• the intake module 27 comprises the intake housing 26 and the heat exchanger 28. This module 27 thus forms an autonomous assembly ready to be installed in a vehicle.
• the heat exchanger 28 is shown in part. It includes a plurality
• a passage between these plates defines the circulation of the cooling fluid in the beam 32.
• the plane which passes through the upper edge of each tube defines the front face 35 of the heat exchanger 28, this face being the first crossing by the flow of feed gas according to the direction of circulation of
• the heat exchanger 28 also includes the distribution zone of the cooling fluid 33 where the cooling fluid is channeled to be distributed to each tube of the bundle 32. Between each tube 24, there is a spacer 34 of corrugated shape whose function is to promote the transfer
• the protrusion 2 formed on the lid 1 is positioned opposite the distribution zone of the cooling fluid 33. It thus prevents or blocks any flow of the feed gas stream in the fluid distribution zone.
• the excrescence 2 delimits, at least in part, a working surface of the end face 35 of the exchanger corresponding to the zone of the heat exchanger that is the most efficient in terms of heat exchange.
• the folding and the length of the protrusion 2 are made so that the free end 24 is positioned in contact with the junction of the bundle 32 with the distribution zone of the cooling fluid 33 of the heat exchanger 28.

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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)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (7)

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Citations (5)

Family Cites Families (42)

• 2011
  • 2011-03-10 FR FR1151989A patent/FR2972491B1/fr active Active
• 2012
  • 2012-02-13 CN CN201280022403.5A patent/CN103608559B/zh active Active
  • 2012-02-13 EP EP12703323.1A patent/EP2683924A1/de not_active Withdrawn
  • 2012-02-13 MX MX2013010381A patent/MX2013010381A/es active IP Right Grant
  • 2012-02-13 US US14/004,251 patent/US10711743B2/en active Active
  • 2012-02-13 JP JP2013557027A patent/JP5883038B2/ja active Active
  • 2012-02-13 WO PCT/EP2012/052391 patent/WO2012119835A1/fr active Application Filing

Patent Citations (5)

Non-Patent Citations (1)

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