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JP6437358B2 - Intake manifold device - Google Patents
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JP6437358B2 - Intake manifold device - Google Patents

Intake manifold device Download PDF

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JP6437358B2
JP6437358B2 JP2015059378A JP2015059378A JP6437358B2 JP 6437358 B2 JP6437358 B2 JP 6437358B2 JP 2015059378 A JP2015059378 A JP 2015059378A JP 2015059378 A JP2015059378 A JP 2015059378A JP 6437358 B2 JP6437358 B2 JP 6437358B2
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Prior art keywords
heat exchanger
intake manifold
gas
resin material
manifold device
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JP2015059378A
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JP2016176460A (en
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貴康 諏訪間
貴康 諏訪間
勇人 小林
勇人 小林
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Astemo Ltd
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Keihin Corp
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Priority to PCT/JP2016/056160 priority patent/WO2016152401A1/en
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    • 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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

本発明は、内燃機関の複数のシリンダ室にガスを導く吸気マニホールドと、吸気マニホールドに内蔵されてガスを冷却する熱交換器と、を備えた吸気マニホールド装置に関する。   The present invention relates to an intake manifold device including an intake manifold that guides gas to a plurality of cylinder chambers of an internal combustion engine, and a heat exchanger that is built in the intake manifold and cools the gas.

従来、過給器により圧縮されたガスを吸気マニホールドに内蔵された熱交換器により冷却して複数のシリンダ室に導く吸気マニホールド装置が利用されている。この種の吸気マニホールド装置として、例えば、特許文献１の図６等には、単一部材で構成された吸気マニホールドが開示されている。   2. Description of the Related Art Conventionally, there is used an intake manifold device that cools a gas compressed by a supercharger by a heat exchanger built in the intake manifold and guides it to a plurality of cylinder chambers. As an intake manifold device of this type, for example, FIG. 6 of Patent Document 1 discloses an intake manifold formed of a single member.

特開２０１２−２２５３１１号公報JP 2012-225311 A

ところで、上述した吸気マニホールド装置では、吸気マニホールドにおける熱交換器の上流側のガス温度は、熱交換器の下流側のガス温度よりも高くなる。そのため、例えば、吸気マニホールドを単一の樹脂材料により構成する場合、上流側のガス温度に適用可能な耐熱性の比較的高い樹脂材料を用いる必要があり、材料コストが高騰化するという課題がある。   By the way, in the intake manifold apparatus described above, the gas temperature upstream of the heat exchanger in the intake manifold is higher than the gas temperature downstream of the heat exchanger. Therefore, for example, when the intake manifold is made of a single resin material, it is necessary to use a resin material having a relatively high heat resistance that can be applied to the gas temperature on the upstream side. .

本発明は、このような課題を考慮してなされたものであり、材料コストの低廉化を図ることができる吸気マニホールド装置を提供することを目的とする。   The present invention has been made in view of such problems, and an object of the present invention is to provide an intake manifold device capable of reducing the material cost.

上記目的を達成するために、本発明に係る吸気マニホールド装置は、内燃機関の複数のシリンダ室にガスを導く吸気マニホールドと、前記吸気マニホールドに内蔵されて前記ガスを冷却する熱交換器と、を備えた吸気マニホールド装置であって、前記吸気マニホールドは、前記熱交換器の上流側に位置して第１樹脂材料で構成された第１部位と、前記熱交換器の下流側に位置して前記第１樹脂材料よりも耐熱性の低い第２樹脂材料で構成された第２部位と、を有し、前記熱交換器は、金属材料で構成されており、前記ガスが流通する熱交換器本体と、前記熱交換器本体の外側面から前記熱交換器本体の前記ガスの流通方向と直交する方向に突出した突出部と、を有し、前記突出部には、樹脂部材がアウトサート成形され、前記第１部位及び前記第２部位は、前記熱交換器の側方で前記樹脂部材にそれぞれ溶着されていることを特徴とする。
In order to achieve the above object, an intake manifold apparatus according to the present invention includes an intake manifold that guides gas to a plurality of cylinder chambers of an internal combustion engine, and a heat exchanger that is built in the intake manifold and cools the gas. The intake manifold device includes: a first portion that is located upstream of the heat exchanger and is made of a first resin material; and that is located downstream of the heat exchanger and A second portion made of a second resin material having a lower heat resistance than the first resin material, and the heat exchanger is made of a metal material, and the heat exchanger body through which the gas flows And a protruding portion protruding from the outer surface of the heat exchanger main body in a direction perpendicular to the gas flow direction of the heat exchanger main body, and a resin member is outsert-molded on the protruding portion. The first part and the front The second site is characterized by being welded to each of the resin member at the side of the heat exchanger.

このような構成によれば、第１樹脂材料よりも耐熱性の低い第２樹脂材料により第２部位を構成しているので、吸気マニホールド全体を第１樹脂材料で構成する場合と比較して、吸気マニホールド装置の材料コストの低廉化を図ることができる。また、熱交換器を吸気マニホールド内に容易に配設させることができる。さらに、熱交換器を吸気マニホールドに対して容易且つ確実に固定することができる。またさらに、熱交換器と吸気マニホールドとの間の隙間（バイパス流路）のガスの流通を突出部により抑制することができるので、熱交換器によるガスの冷却効率を向上させることができる。
According to such a configuration, since the second portion is configured by the second resin material having lower heat resistance than the first resin material, compared to the case where the entire intake manifold is configured by the first resin material, The material cost of the intake manifold device can be reduced. Further, the heat exchanger can be easily disposed in the intake manifold. Furthermore, the heat exchanger can be easily and reliably fixed to the intake manifold. Furthermore, since the gas flow in the gap (bypass flow path) between the heat exchanger and the intake manifold can be suppressed by the protrusion, the gas cooling efficiency by the heat exchanger can be improved.

上記の吸気マニホールド装置において、前記第１部位及び前記第２部位は、前記熱交換器を挟んで互いに離間していてもよい。
In the intake manifold device, the first part and the second part may be separated from each other with the heat exchanger interposed therebetween .

本発明によれば、第１樹脂材料よりも耐熱性の低い第２樹脂材料により第２部位を構成しているので、吸気マニホールド装置の材料コストの低廉化を図ることができる。   According to the present invention, since the second portion is constituted by the second resin material having lower heat resistance than the first resin material, the material cost of the intake manifold device can be reduced.

本発明の第１実施形態に係る吸気マニホールド装置の一部縦断面図である。It is a partial longitudinal cross-sectional view of the intake manifold device according to the first embodiment of the present invention. 図１のＩＩ−ＩＩ線に沿った断面図である。It is sectional drawing along the II-II line of FIG. 本発明の第２実施形態に係る吸気マニホールド装置の一部縦断面図である。It is a partial longitudinal cross-sectional view of the intake manifold apparatus which concerns on 2nd Embodiment of this invention. 図３のＩＶ−ＩＶ線に沿った断面図である。FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3.

以下、本発明に係る吸気マニホールド装置について好適な実施形態を挙げ、添付の図面を参照しながら説明する。   Hereinafter, preferred embodiments of an intake manifold device according to the present invention will be described with reference to the accompanying drawings.

本発明に係る吸気マニホールド装置は、車両等に搭載される多気筒の内燃機関に適用されるものであって、過給器により圧縮されたガスを冷却して複数のシリンダ室に導く。この吸気マニホールド装置に導かれるガスは、内燃機関の吸気通路から導かれる気体であって、内燃機関の排気ガスと空気とが混合された気体であってもよいし、排気ガスを含まない空気であってもよい。   The intake manifold device according to the present invention is applied to a multi-cylinder internal combustion engine mounted on a vehicle or the like, and cools gas compressed by a supercharger and guides it to a plurality of cylinder chambers. The gas led to the intake manifold device may be a gas led from the intake passage of the internal combustion engine, which may be a mixture of exhaust gas and air of the internal combustion engine, or air that does not contain exhaust gas. There may be.

（第１実施形態）
図１に示すように、本実施形態に係る吸気マニホールド装置１０Ａは、吸気マニホールド１２と、吸気マニホールド１２内に内蔵された熱交換器（インタークーラ）１４と、吸気マニホールド１２と熱交換器１４との間に介設された防振部材１６とを備えている。吸気マニホールド１２は、熱交換器１４の上流側に位置する第１部位１８と、熱交換器１４の下流側に位置する第２部位２０とを備えている。 (First embodiment)
As shown in FIG. 1, an intake manifold device 10A according to this embodiment includes an intake manifold 12, a heat exchanger (intercooler) 14 built in the intake manifold 12, an intake manifold 12, and a heat exchanger 14. And an anti-vibration member 16 interposed therebetween. The intake manifold 12 includes a first part 18 located on the upstream side of the heat exchanger 14 and a second part 20 located on the downstream side of the heat exchanger 14.

第１部位１８は、第１樹脂材料により構成されており、図示しない吸気通路に接続される管状の導入部２２と、導入部２２から導かれたガスを冷却する熱交換器１４の上流側を収容する第１ハウジング２４とを有している。第１ハウジング２４の下流側（第２部位２０側）の端部には、環状の第１フランジ部２６が設けられている（図２参照）。第１フランジ部２６には、防振部材１６が配設される環状凹部２８が形成されている。   The first portion 18 is made of the first resin material, and has a tubular introduction portion 22 connected to an intake passage (not shown), and an upstream side of the heat exchanger 14 that cools the gas guided from the introduction portion 22. And a first housing 24 for housing. An annular first flange portion 26 is provided at an end of the first housing 24 on the downstream side (second portion 20 side) (see FIG. 2). The first flange portion 26 is formed with an annular recess 28 in which the vibration isolation member 16 is disposed.

第１ハウジング２４のうち熱交換器１４の上流側には、導入部２２から導かれたガスを熱交換器１４に導くための上流側空間３０が形成されている。すなわち、第１部位１８には、過給器により圧縮された比較的高温のガスが流通する。   An upstream space 30 for guiding the gas guided from the introduction part 22 to the heat exchanger 14 is formed on the upstream side of the heat exchanger 14 in the first housing 24. That is, a relatively high temperature gas compressed by the supercharger flows through the first portion 18.

第２部位２０は、第１樹脂材料よりも耐熱性の低い第２樹脂材料により構成さており、熱交換器１４の下流側を収容する第２ハウジング３２と、熱交換器１４により冷却されたガスを複数のシリンダ室に導く複数の分岐管３４とを有している。なお、各分岐管３４の先端部には、図示しないシリンダヘッドに接続される接続フランジ３５が設けられている。   The second portion 20 is made of a second resin material having lower heat resistance than the first resin material, and a second housing 32 that houses the downstream side of the heat exchanger 14 and a gas cooled by the heat exchanger 14. And a plurality of branch pipes 34 leading to the plurality of cylinder chambers. A connecting flange 35 connected to a cylinder head (not shown) is provided at the tip of each branch pipe 34.

第２ハウジング３２の上流側（第１部位１８側）の端部には、第１フランジ部２６に対して溶着される環状の第２フランジ部３６が設けられている。第２ハウジング３２のうち熱交換器１４の下流側には、熱交換器１４により冷却されたガスを一時的に溜める下流側空間３８が形成されている。すなわち、第２部位２０には、熱交換器１４により冷却された比較的低温のガスが流通する。   An annular second flange portion 36 to be welded to the first flange portion 26 is provided at the upstream end (first portion 18 side) end of the second housing 32. A downstream space 38 for temporarily storing the gas cooled by the heat exchanger 14 is formed in the second housing 32 on the downstream side of the heat exchanger 14. That is, a relatively low temperature gas cooled by the heat exchanger 14 flows through the second portion 20.

このような吸気マニホールド１２において、第１樹脂材料及び第２樹脂材料としては、例えば、ナイロン６（登録商標）、ガラス繊維入りナイロン６、ナイロン６６（登録商標）、及びガラス繊維入りナイロン６６等が挙げられる。   In such an intake manifold 12, examples of the first resin material and the second resin material include nylon 6 (registered trademark), nylon 6 with glass fiber, nylon 66 (registered trademark), nylon 66 with glass fiber, and the like. Can be mentioned.

そして、例えば、第１樹脂材料としてガラス繊維入りナイロン６６又はナイロン６６（ガラス繊維が含まれていないナイロン６６）が用いられる場合、第２樹脂材料として、第１樹脂材料よりも耐熱性の低い樹脂材料が選定される。すなわち、第２樹脂材料として、ガラス繊維入りナイロン６又はナイロン６（ガラス繊維が含まれていないナイロン６）が用いられる。   For example, when nylon 66 containing glass fiber or nylon 66 (nylon 66 not containing glass fiber) is used as the first resin material, the resin having lower heat resistance than the first resin material is used as the second resin material. Material is selected. That is, as the second resin material, nylon 6 containing glass fiber or nylon 6 (nylon 6 not containing glass fiber) is used.

図１及び図２に示すように、熱交換器１４は、アルミニウム等の金属材料で構成されており、ガスが流通する直方体形状の熱交換器本体４０と、熱交換器本体４０の外側面からガスの流通方向と直交する方向に突出した環状の突出部４２とを有している。   As shown in FIGS. 1 and 2, the heat exchanger 14 is made of a metal material such as aluminum, and has a rectangular parallelepiped heat exchanger body 40 through which gas flows, and an outer surface of the heat exchanger body 40. An annular projecting portion 42 projecting in a direction orthogonal to the gas flow direction is provided.

詳細な図示は省略するが、熱交換器本体４０には、ガスが流通するガス流路と、ガスを冷却する冷媒が流通する冷媒流路とが形成されている。なお、熱交換器本体４０においてガスとの熱交換によって熱せられた冷媒は、図示しない冷媒循環通路に導出され、別の熱交換器により放熱（冷却）された後、熱交換器本体４０の冷媒流路に導入される。   Although detailed illustration is omitted, the heat exchanger main body 40 is formed with a gas flow path through which a gas flows and a refrigerant flow path through which a refrigerant for cooling the gas flows. The refrigerant heated by heat exchange with the gas in the heat exchanger main body 40 is led out to a refrigerant circulation passage (not shown) and radiated (cooled) by another heat exchanger, and then the refrigerant in the heat exchanger main body 40. It is introduced into the flow path.

突出部４２は、熱交換器本体４０におけるガスの流通方向の略中央に位置し、第１フランジ部２６に形成された環状凹部２８まで延在して防振部材１６を介して第１部位１８及び第２部位２０に挟持されている。換言すれば、第１フランジ部２６及び第２フランジ部３６は、熱交換器１４の側方（熱交換器１４のガスの流通方向の略中央）で互いに溶着されている。これにより、熱交換器１４を吸気マニホールド１２内に容易に配設させることができる。   The projecting portion 42 is positioned substantially at the center in the gas flow direction in the heat exchanger main body 40, extends to the annular recess 28 formed in the first flange portion 26, and passes through the vibration isolating member 16 to the first portion 18. And sandwiched between the second portions 20. In other words, the first flange portion 26 and the second flange portion 36 are welded to each other at the side of the heat exchanger 14 (substantially the center in the gas flow direction of the heat exchanger 14). Thereby, the heat exchanger 14 can be easily disposed in the intake manifold 12.

防振部材１６は、例えば、ゴム等で構成された弾性部材であって、突出部４２の外表面の全体を覆うように少なくとも一部が環状に設けられている。防振部材１６は、熱交換器本体４０と第１ハウジング２４との間、環状凹部２８、及び熱交換器本体４０と第２ハウジング３２との間に介設されている。これにより、熱交換器１４は、吸気マニホールド１２に対して確実に位置決め固定される。また、熱交換器本体４０へのガスの流通により熱交換器１４が振動することを抑制することができる。   The vibration isolation member 16 is an elastic member made of rubber or the like, for example, and at least a part of the vibration isolation member 16 is provided in an annular shape so as to cover the entire outer surface of the protruding portion 42. The vibration isolation member 16 is interposed between the heat exchanger body 40 and the first housing 24, between the annular recess 28, and between the heat exchanger body 40 and the second housing 32. Thereby, the heat exchanger 14 is reliably positioned and fixed with respect to the intake manifold 12. Moreover, it can suppress that the heat exchanger 14 vibrates by the distribution | circulation of the gas to the heat exchanger main body 40. FIG.

本実施形態に係る吸気マニホールド装置１０Ａは、基本的には以上のように構成されるものであり、次に、吸気マニホールド装置１０Ａの作用効果について説明する。   The intake manifold device 10A according to the present embodiment is basically configured as described above. Next, operational effects of the intake manifold device 10A will be described.

本実施形態において、熱交換器１４を吸気マニホールド１２に組み付ける場合、例えば、突出部４２に防振部材１６が設けられた熱交換器１４を第１ハウジング２４内に挿入する。このとき、防振部材１６を第１部位１８の環状凹部２８に位置させる。   In the present embodiment, when the heat exchanger 14 is assembled to the intake manifold 12, for example, the heat exchanger 14 in which the vibration isolation member 16 is provided on the protrusion 42 is inserted into the first housing 24. At this time, the vibration isolation member 16 is positioned in the annular recess 28 of the first portion 18.

そして、第２フランジ部３６が第１フランジ部２６に接触するように第２部位２０を第１部位１８に対して取り付け、第１フランジ部２６及び第２フランジ部３６を互いに振動溶着（接合）させる。このとき、防振部材１６が第１フランジ部２６及び熱交換器本体４０の間と第２フランジ部３６及び熱交換器本体４０の間に介在しているため、熱交換器本体４０が吸気マニホールド１２に対して当たることを抑制することができる。   Then, the second part 20 is attached to the first part 18 so that the second flange part 36 contacts the first flange part 26, and the first flange part 26 and the second flange part 36 are vibration welded (joined) to each other. Let At this time, since the vibration isolation member 16 is interposed between the first flange portion 26 and the heat exchanger body 40 and between the second flange portion 36 and the heat exchanger body 40, the heat exchanger body 40 is connected to the intake manifold. It is possible to suppress hitting 12.

そして、第１フランジ部２６及び第２フランジ部３６の溶着が完了すると、突出部４２が防振部材１６を介して第１フランジ部２６及び第２フランジ部３６に挟持され、熱交換器１４が吸気マニホールド１２内に位置決め固定されるに至る。   And when welding of the 1st flange part 26 and the 2nd flange part 36 is completed, the protrusion part 42 will be clamped by the 1st flange part 26 and the 2nd flange part 36 via the vibration isolator 16, and the heat exchanger 14 will be carried out. It is positioned and fixed in the intake manifold 12.

本実施形態によれば、吸気マニホールド１２が、熱交換器１４の上流側に位置して第１樹脂材料で構成された第１部位１８と、熱交換器１４の下流側に位置して第１樹脂材料よりも耐熱性の低い第２樹脂材料で構成された第２部位２０とを有している。すなわち、比較的コストの高い第１樹脂部材により吸気マニホールド１２の全体を構成する必要がないため、吸気マニホールド装置１０Ａの材料コストの低廉化を図ることができる。   According to the present embodiment, the intake manifold 12 is located on the upstream side of the heat exchanger 14 and is composed of the first resin material 18, and the first portion 18 is located on the downstream side of the heat exchanger 14. And a second portion 20 made of a second resin material having lower heat resistance than the resin material. That is, since it is not necessary to configure the entire intake manifold 12 with the relatively expensive first resin member, the material cost of the intake manifold device 10A can be reduced.

また、熱交換器１４の突出部４２を第１フランジ部２６及び第２フランジ部３６で挟持した状態で第１フランジ部２６及び第２フランジ部３６を互いに溶着しているので、熱交換器１４を吸気マニホールド１２に対して容易且つ確実に固定することができる。   Further, since the first flange portion 26 and the second flange portion 36 are welded to each other while the protruding portion 42 of the heat exchanger 14 is sandwiched between the first flange portion 26 and the second flange portion 36, the heat exchanger 14. Can be easily and reliably fixed to the intake manifold 12.

さらに、突出部４２及び防振部材１６により熱交換器本体４０と吸気マニホールド１２の間の隙間（バイパス流路４４）のガスの流通が阻止（抑制）されるので、熱交換器本体４０にガスを効率的に流通させることができる。これにより、熱交換器１４によるガスの冷却効率を向上させることができる。   Furthermore, since the gas flow in the gap (bypass passage 44) between the heat exchanger body 40 and the intake manifold 12 is blocked (suppressed) by the protrusion 42 and the vibration isolating member 16, the gas is supplied to the heat exchanger body 40. Can be distributed efficiently. Thereby, the cooling efficiency of the gas by the heat exchanger 14 can be improved.

（第２実施形態）
次に、第２実施形態に係る吸気マニホールド装置１０Ｂについて説明する。なお、第２実施形態に係る吸気マニホールド装置１０Ｂにおいて、第１実施形態に係る吸気マニホールド装置１０Ａと同一の構成要素には同一の参照符号を付し、詳細な説明は省略する。 (Second Embodiment)
Next, the intake manifold device 10B according to the second embodiment will be described. Note that in the intake manifold device 10B according to the second embodiment, the same components as those in the intake manifold device 10A according to the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

図３及び図４に示すように、本実施形態に係る吸気マニホールド装置１０Ｂでは、吸気マニホールド５０を構成する第１部位５２の第１フランジ部５４と第２部位５６の第２フランジ部５８との間に環状の樹脂部材６０が介設されている。樹脂部材６０は、熱交換器１４の突出部４２にアウトサート成形されており、第１フランジ部５４及び第２フランジ部５８の両方に対して振動溶着されている。   As shown in FIGS. 3 and 4, in the intake manifold device 10 </ b> B according to the present embodiment, the first flange portion 54 of the first portion 52 and the second flange portion 58 of the second portion 56 constituting the intake manifold 50. An annular resin member 60 is interposed therebetween. The resin member 60 is outsert-molded on the protruding portion 42 of the heat exchanger 14 and is vibration welded to both the first flange portion 54 and the second flange portion 58.

このような構成によれば、熱交換器１４を吸気マニホールド５０に対して容易且つ確実に固定することができる。また、突出部４２によりバイパス流路４４のガスの流通が阻止されるので、熱交換器本体４０にガスを効率的に流通させることができる。これにより、熱交換器１４によるガスの冷却効率を向上させることができる。   According to such a configuration, the heat exchanger 14 can be easily and reliably fixed to the intake manifold 50. Further, since the gas flow in the bypass flow path 44 is blocked by the protrusion 42, the gas can be efficiently circulated through the heat exchanger body 40. Thereby, the cooling efficiency of the gas by the heat exchanger 14 can be improved.

上述した実施形態は、上記の構成に限定されない。例えば、吸気マニホールド装置１０Ａ、１０Ｂにおいて、第１フランジ部５４及び第２フランジ部５８は、熱交換器１４の下流側に位置していてもよい。   The above-described embodiment is not limited to the above configuration. For example, in the intake manifold devices 10 </ b> A and 10 </ b> B, the first flange portion 54 and the second flange portion 58 may be located on the downstream side of the heat exchanger 14.

１０Ａ、１０Ｂ…吸気マニホールド装置
１２、５０…吸気マニホールド １４…熱交換器
１８、５２…第１部位 ２０、５６…第２部位 10A, 10B ... Intake manifold device 12, 50 ... Intake manifold 14 ... Heat exchanger 18, 52 ... First part 20, 56 ... Second part

Claims (2)

内燃機関の複数のシリンダ室にガスを導く吸気マニホールドと、前記吸気マニホールドに内蔵されて前記ガスを冷却する熱交換器と、を備えた吸気マニホールド装置であって、
前記吸気マニホールドは、
前記熱交換器の上流側に位置して第１樹脂材料で構成された第１部位と、
前記熱交換器の下流側に位置して前記第１樹脂材料よりも耐熱性の低い第２樹脂材料で構成された第２部位と、を有し、
前記熱交換器は、金属材料で構成されており、
前記ガスが流通する熱交換器本体と、
前記熱交換器本体の外側面から前記熱交換器本体の前記ガスの流通方向と直交する方向に突出した突出部と、を有し、
前記突出部には、樹脂部材がアウトサート成形され、
前記第１部位及び前記第２部位は、前記熱交換器の側方で前記樹脂部材にそれぞれ溶着されていることを特徴とする吸気マニホールド装置。 An intake manifold apparatus comprising: an intake manifold that guides gas to a plurality of cylinder chambers of an internal combustion engine; and a heat exchanger that is built in the intake manifold and cools the gas,
The intake manifold is
A first portion that is located upstream of the heat exchanger and is made of a first resin material;
A second portion made of a second resin material that is located downstream of the heat exchanger and has lower heat resistance than the first resin material,
The heat exchanger is made of a metal material,
A heat exchanger body through which the gas flows;
A protrusion protruding from the outer surface of the heat exchanger main body in a direction perpendicular to the gas flow direction of the heat exchanger main body,
A resin member is outsert molded on the protrusion,
The intake manifold device, wherein the first part and the second part are welded to the resin member at a side of the heat exchanger, respectively . 請求項１記載の吸気マニホールド装置において、
前記第１部位及び前記第２部位は、前記熱交換器を挟んで互いに離間していることを特徴とする吸気マニホールド装置。 The intake manifold device according to claim 1, wherein
The intake manifold device, wherein the first part and the second part are separated from each other with the heat exchanger interposed therebetween .
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DE102011007432A1 (en) * 2011-04-14 2012-10-18 Behr Gmbh & Co. Kg Component and associated manufacturing method
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