WO2020196529A1 - Adapter device for internal combustion engine - Google Patents

Adapter device for internal combustion engine Download PDF

Info

Publication number
WO2020196529A1
WO2020196529A1 PCT/JP2020/013043 JP2020013043W WO2020196529A1 WO 2020196529 A1 WO2020196529 A1 WO 2020196529A1 JP 2020013043 W JP2020013043 W JP 2020013043W WO 2020196529 A1 WO2020196529 A1 WO 2020196529A1
Authority
WO
WIPO (PCT)
Prior art keywords
internal combustion
combustion engine
egr gas
adapter device
air
Prior art date
Application number
PCT/JP2020/013043
Other languages
French (fr)
Japanese (ja)
Inventor
裕太 宇都木
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to CN202080025311.7A priority Critical patent/CN113646523A/en
Publication of WO2020196529A1 publication Critical patent/WO2020196529A1/en

Links

Images

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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/18—Thermal insulation or heat protection
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

This adapter device for an internal combustion engine suppresses cooling of EGR gas by reducing the impact of vehicle traveling wind on a merging section of a tubing where the EGR gas and air merge. An adapter device (1) for an internal combustion engine causes a portion of exhaust gas discharged from an internal combustion engine (100) of a vehicle to flow back into a combustion chamber of the internal combustion engine (100). The adapter device (1) for an internal combustion engine comprises: a resin duct (10) provided with an EGR gas inflow section (14) where a portion of the exhaust gas flows in, an air inflow section (12) where air flows in, and a supply section (13) for returning, to the combustion chamber, a mixed gas obtained by mixing the EGR gas flowing in from the EGR gas inflow section (14) and the air flowing in from the air inflow section (12); and a cover (40) provided to the outer periphery of the EGR gas inflow section (14).

Description

内燃機関のアダプタ装置Internal combustion engine adapter device
　本開示は、車両の内燃機関から排出される排気ガスの一部を内燃機関の燃焼室に還流させる内燃機関のアダプタ装置に関する。 The present disclosure relates to an internal combustion engine adapter device that recirculates a part of the exhaust gas discharged from the internal combustion engine of a vehicle to the combustion chamber of the internal combustion engine.
　従来、内燃機関であるエンジンから排出される排気ガスを吸気通路に再循環させる排気再循環装置（以下、「ＥＧＲ装置」と記載する）が知られている（例えば、特許文献１）。このようなＥＧＲ装置では一般に、ＥＧＲガス通路内のＥＧＲガスをＥＧＲクーラーで冷却した後に、吸気通路へ環流させている。 Conventionally, an exhaust gas recirculation device (hereinafter, referred to as "EGR device") that recirculates exhaust gas discharged from an engine that is an internal combustion engine to an intake passage is known (for example, Patent Document 1). In such an EGR device, the EGR gas in the EGR gas passage is generally cooled by an EGR cooler and then recirculated to the intake passage.
　また、吸気通路に再循環されるＥＧＲガスは、ＥＧＲクーラーで冷却される以外にも、エンジンから排出されてから長い配管経路を辿って吸気通路に達すること、車両の走行時に走行風が当たること、及びファンからの送風によっても冷却される。これにより、ＥＧＲガス通路内で凝縮水が発生して吸気通路に浸入した場合には、ターボチャージャが破損したり吸気管が腐食したりするおそれがある。 In addition to being cooled by the EGR cooler, the EGR gas recirculated in the intake passage must reach the intake passage by following a long piping path after being discharged from the engine, and the running wind hits the vehicle when it is running. , And also cooled by the air blown from the fan. As a result, when condensed water is generated in the EGR gas passage and enters the intake passage, the turbocharger may be damaged or the intake pipe may be corroded.
　これに対して、従来、ＥＧＲガス通路を形成する配管にインシュレータ等の保温材を取り付けて、この配管の放熱を防いでＥＧＲガスの冷却を抑制している。 On the other hand, conventionally, a heat insulating material such as an insulator is attached to the pipe forming the EGR gas passage to prevent heat dissipation of this pipe and suppress cooling of EGR gas.
日本国特開２００９－１３８６４６号公報Japanese Patent Application Laid-Open No. 2009-138646
　しかしながら、従来においては、配管の合流部等の複雑な形状を呈する部分に対して保温材を適切に取り付けることができず、ＥＧＲガスの冷却を十分に抑制できないという課題を有する。 However, conventionally, there is a problem that the heat insulating material cannot be properly attached to a part having a complicated shape such as a confluence of pipes, and cooling of EGR gas cannot be sufficiently suppressed.
　本開示の目的は、ＥＧＲガスと空気とが合流する配管の合流部におけるＥＧＲガスの冷却を抑制することができる内燃機関のアダプタ装置を提供することである。 An object of the present disclosure is to provide an adapter device for an internal combustion engine capable of suppressing cooling of EGR gas at a confluence of pipes where EGR gas and air merge.
　本開示の一態様に係る内燃機関のアダプタ装置は、車両の内燃機関から排出される排気ガスの一部を前記内燃機関の燃焼室に還流させる内燃機関のアダプタ装置であって、前記排気ガスの一部が流入する第１の流入部と、空気が流入する第２の流入部と、前記第１の流入部から流入する前記排気ガスの一部と前記第２の流入部から流入する前記空気とを混合した混合気を前記燃焼室に還流させる供給部と、を備えるダクトと、前記第１の流入部の外周に設けられるカバーと、を有する。 The adapter device for an internal combustion engine according to one aspect of the present disclosure is an adapter device for an internal combustion engine that returns a part of exhaust gas discharged from the internal combustion engine of a vehicle to the combustion chamber of the internal combustion engine, and is an adapter device for the internal combustion engine. A first inflow part into which a part of the exhaust gas flows in, a second inflow part into which air flows in, a part of the exhaust gas flowing in from the first inflow part, and the air flowing in from the second inflow part. It has a supply unit for returning the air-fuel mixture mixed with the above to the combustion chamber, a duct including the above, and a cover provided on the outer periphery of the first inflow unit.
　本開示によれば、ＥＧＲガスと空気とが合流する配管の合流部におけるＥＧＲガスの冷却を抑制することができる。 According to the present disclosure, it is possible to suppress cooling of the EGR gas at the confluence portion of the pipe where the EGR gas and the air merge.
図１は、本開示の実施の形態に係る内燃機関の全体構成を示す模式図である。FIG. 1 is a schematic view showing an overall configuration of an internal combustion engine according to an embodiment of the present disclosure. 図２は、本開示の実施の形態に係るアダプタ装置周辺の正面図である。FIG. 2 is a front view of the periphery of the adapter device according to the embodiment of the present disclosure. 図３は、本開示の実施の形態に係るアダプタ装置周辺の側面図である。FIG. 3 is a side view of the periphery of the adapter device according to the embodiment of the present disclosure. 図４は、図３のＡ－Ａ断面矢視図である。FIG. 4 is a cross-sectional view taken along the line AA of FIG.
　以下、図面を適宜参照して、本開示の実施の形態につき、詳細に説明する。 Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings as appropriate.
　＜内燃機関の構成＞
　本開示の実施の形態に係る内燃機関１００の構成につき、図１を参照しながら、以下に詳細に説明する。 <Composition of internal combustion engine>
The configuration of the internal combustion engine 100 according to the embodiment of the present disclosure will be described in detail below with reference to FIG.
　内燃機関１００は、内燃機関のアダプタ装置１と、吸気通路１０２と、排気通路１０３と、ターボチャージャ１０４と、ハイプレッシャーＥＧＲ（以下、「ＨＰ－ＥＧＲ」と記載する）装置１０５と、ロープレッシャーＥＧＲ（以下、「ＬＰ－ＥＧＲ」と記載する）装置１０６と、インタークーラー１０８と、を有している。 The internal combustion engine 100 includes an internal combustion engine adapter device 1, an intake passage 102, an exhaust passage 103, a turbocharger 104, a high pressure EGR (hereinafter, referred to as “HP-EGR”) device 105, and a low pressure EGR. It has an apparatus 106 (hereinafter referred to as "LP-EGR") and an intercooler 108.
　内燃機関本体１１０から排出された排気ガスは、エキゾーストマニホールド１１１から排気通路１０３へ排出される。排気通路１０３へ排出された排気ガスの一部は、排気通路１０３から分岐して設けられた通路１１２へＨＰ－ＥＧＲガスとなって分流する。ＨＰ－ＥＧＲガスは、ＨＰ－ＥＧＲ装置１０５のＨＰ－ＥＧＲクーラー１１３によって冷却された後、通路１１４内を流通し、図示しないＨＰ－ＥＧＲバルブによって流量を調整されて吸気通路１０２へ環流される。 The exhaust gas discharged from the internal combustion engine main body 110 is discharged from the exhaust manifold 111 to the exhaust passage 103. A part of the exhaust gas discharged to the exhaust passage 103 becomes HP-EGR gas and is diverted to the passage 112 provided by branching from the exhaust passage 103. The HP-EGR gas is cooled by the HP-EGR cooler 113 of the HP-EGR device 105, then circulates in the passage 114, and the flow rate is adjusted by the HP-EGR valve (not shown) and recirculated to the intake passage 102.
　排気通路１０３を流通する排気ガスのうち、通路１１２へ分流しなかった排気ガスは、ターボチャージャ１０４の図示しないタービンを回転駆動させた後に、排気ガス後処理装置１１７を経て大気中へ放出される。 Of the exhaust gas flowing through the exhaust passage 103, the exhaust gas that has not been diverted to the passage 112 is discharged to the atmosphere via the exhaust gas aftertreatment device 117 after rotationally driving a turbine (not shown) of the turbocharger 104. ..
　排気ガス後処理装置１１７を通過した排気ガスの一部は、排気通路１０３における排気ガス後処理装置１１７よりも下流側から分岐して設けられた通路１１８へＬＰ－ＥＧＲガスとなって分流する。ＬＰ－ＥＧＲガスは、ＬＰ－ＥＧＲ装置１０６のＬＰ－ＥＧＲクーラー１１９によって冷却された後に通路１２０内を流通し、図示しないＬＰ－ＥＧＲバルブによって流量を調整されて、内燃機関のアダプタ装置１に流入する。内燃機関のアダプタ装置１に流入したＬＰ－ＥＧＲガスは、吸気通路１０２へ吸入された空気と混合されて、吸気としてターボチャージャ１０４に供給される。ターボチャージャ１０４に供給された吸気は、ターボチャージャ１０４の図示しないコンプレッサにより圧縮され、インタークーラー１０８で冷却された後に、インテークマニホールド１０９を経て内燃機関本体１１０に供給される。 A part of the exhaust gas that has passed through the exhaust gas aftertreatment device 117 is divided into LP-EGR gas into the passage 118 that is branched from the downstream side of the exhaust gas aftertreatment device 117 in the exhaust passage 103. The LP-EGR gas flows through the passage 120 after being cooled by the LP-EGR cooler 119 of the LP-EGR device 106, and the flow rate is adjusted by the LP-EGR valve (not shown) and flows into the adapter device 1 of the internal combustion engine. To do. The LP-EGR gas that has flowed into the adapter device 1 of the internal combustion engine is mixed with the air sucked into the intake passage 102 and supplied to the turbocharger 104 as intake air. The intake air supplied to the turbocharger 104 is compressed by a compressor (not shown) of the turbocharger 104, cooled by the intercooler 108, and then supplied to the internal combustion engine main body 110 via the intake manifold 109.
　＜内燃機関のアダプタ装置の構成＞
　本開示の実施の形態に係る内燃機関のアダプタ装置１の構成につき、図１から図４を参照しながら、以下に詳細に説明する。図２は、内燃機関のアダプタ装置１の正面図、図３は、内燃機関のアダプタ装置１の側面図、図４は、図３のＡ－Ａ断面矢視図である。 <Structure of adapter device for internal combustion engine>
The configuration of the adapter device 1 of the internal combustion engine according to the embodiment of the present disclosure will be described in detail below with reference to FIGS. 1 to 4. FIG. 2 is a front view of the adapter device 1 of the internal combustion engine, FIG. 3 is a side view of the adapter device 1 of the internal combustion engine, and FIG. 4 is a cross-sectional view taken along the line AA of FIG.
　内燃機関のアダプタ装置１は、樹脂ダクト１０と、図示しないブローバイガス流入部と、図示しないゴムパッキンと、カバー４０と、スペーサ５０と、を有している。 The adapter device 1 of an internal combustion engine has a resin duct 10, a blow-by gas inflow portion (not shown), a rubber packing (not shown), a cover 40, and a spacer 50.
　樹脂ダクト１０は、樹脂により形成されており、ＥＧＲガス及び空気が流入すると共に、流入したＥＧＲガスと空気とを混合した混合気をターボチャージャ１０４に供給する。具体的には、樹脂ダクト１０は、空気が流入する通気路である空気流入部１２（第２の流入部）と、ＥＧＲガスと空気との混合気を供給する通気路である供給部１３と、ＥＧＲガスが流入する通気路であるＥＧＲガス流入部１４（第１の流入部）と、を備えている。供給部１３の先端には例えばフランジからなるアダプタ取付部１５が形成されている。アダプタ取付部１５には図示しない貫通孔が形成されており、この貫通孔内に挿入されたボルト等によって、樹脂ダクト１０は内燃機関本体１１０に取り付けられている。 The resin duct 10 is formed of resin, and EGR gas and air flow in, and an air-fuel mixture of the inflowing EGR gas and air is supplied to the turbocharger 104. Specifically, the resin duct 10 includes an air inflow section 12 (second inflow section), which is a ventilation path through which air flows in, and a supply section 13 which is a ventilation path for supplying an air-fuel mixture of EGR gas and air. The EGR gas inflow section 14 (first inflow section), which is a ventilation path through which the EGR gas flows, is provided. An adapter mounting portion 15 made of, for example, a flange is formed at the tip of the supply portion 13. A through hole (not shown) is formed in the adapter mounting portion 15, and the resin duct 10 is attached to the internal combustion engine main body 110 by a bolt or the like inserted in the through hole.
　なお、ブローバイガス流入部は、内燃機関本体１１０からのブローバイガスを樹脂ダクト１０に流入させる通気路である。 The blow-by gas inflow section is a ventilation path through which the blow-by gas from the internal combustion engine main body 110 flows into the resin duct 10.
　ゴムパッキンは、内燃機関本体１１０に樹脂ダクト１０を取り付ける際に、内燃機関本体１１０と樹脂ダクト１０との間を密閉する。 The rubber packing seals between the internal combustion engine main body 110 and the resin duct 10 when the resin duct 10 is attached to the internal combustion engine main body 110.
　カバー４０は、カバー脚４１及びカバー脚４１の先端に設けられたカバー取付部４２を有している。カバー４０は、ＥＧＲガス流入部１４の外周に設けられており、ＥＧＲガス流入部１４の外形に沿って湾曲している。カバー４０は、ＥＧＲガス流入部１４の車両の前方側に設けられている。カバー４０は、カバー取付部４２に形成された図示しない貫通孔内に挿入された図示しないリベットにより、樹脂ダクト１０または内燃機関本体１１０に取り付けられている。 The cover 40 has a cover leg 41 and a cover mounting portion 42 provided at the tip of the cover leg 41. The cover 40 is provided on the outer periphery of the EGR gas inflow portion 14, and is curved along the outer shape of the EGR gas inflow portion 14. The cover 40 is provided on the front side of the vehicle of the EGR gas inflow portion 14. The cover 40 is attached to the resin duct 10 or the internal combustion engine main body 110 by a rivet (not shown) inserted into a through hole (not shown) formed in the cover attachment portion 42.
　スペーサ５０は、ＥＧＲガス流入部１４とカバー４０との間に設けられており、例えばエチレンプロピレンジエンゴム（ＥＰＤＭ）等の耐熱性を有する材料によって形成されたスポンジである。 The spacer 50 is provided between the EGR gas inflow portion 14 and the cover 40, and is a sponge formed of a heat-resistant material such as ethylene propylene diene rubber (EPDM).
　上記の構成を有する内燃機関のアダプタ装置１は、カバー４０及びスペーサ５０によってＥＧＲガス流入部１４が走行風を直接受けないと共に、ファンから直接送風されないため、水分を含んだＥＧＲガスが流入した際に、凝縮水の発生を抑制することができ、内燃機関１００の内部の腐食及びターボチャージャ１０４の図示しないインペラの破損を防ぐことができる。 In the adapter device 1 of the internal combustion engine having the above configuration, the EGR gas inflow portion 14 is not directly received by the cover 40 and the spacer 50, and is not directly blown from the fan. Therefore, when the EGR gas containing water flows in. In addition, the generation of condensed water can be suppressed, and corrosion inside the internal combustion engine 100 and damage to the impeller (not shown) of the turbocharger 104 can be prevented.
　このように、本実施の形態によれば、ＥＧＲガス流入部１４の外周にカバー４０を設けることにより、ＥＧＲガスと空気とが合流する配管の合流部に対する車両の走行風及びファンからの送風の影響を低減することができ、ＥＧＲガスの冷却を抑制することができる。 As described above, according to the present embodiment, by providing the cover 40 on the outer periphery of the EGR gas inflow portion 14, the traveling wind of the vehicle and the air blown from the fan to the confluence portion of the pipe where the EGR gas and air merge are provided. The influence can be reduced and the cooling of the EGR gas can be suppressed.
　また、本実施の形態によれば、ＥＧＲガス流入部１４とカバー４０との間にスペーサ５０を設けてＥＧＲガス流入部１４とカバー４０との間の隙間を極力無くするようにしたことにより、カバー４０を回り込む走行風又はファンからの送風がＥＧＲガス流入部１４に当たることを防ぐことができ、ＥＧＲガスの冷却をより抑制することができ、特に車速が速い場合には有効である。 Further, according to the present embodiment, a spacer 50 is provided between the EGR gas inflow portion 14 and the cover 40 so as to minimize the gap between the EGR gas inflow portion 14 and the cover 40. It is possible to prevent the traveling wind or the air blown from the fan that goes around the cover 40 from hitting the EGR gas inflow portion 14, and it is possible to further suppress the cooling of the EGR gas, which is particularly effective when the vehicle speed is high.
　また、本実施の形態によれば、ＥＧＲガス流入部１４の車両の前方側にカバー４０を設けることにより、ＥＧＲガス流入部１４の外周全体を覆うようにカバーを設ける場合に比べて、材料費を低減することができる。 Further, according to the present embodiment, by providing the cover 40 on the front side of the vehicle of the EGR gas inflow portion 14, the material cost is compared with the case where the cover is provided so as to cover the entire outer circumference of the EGR gas inflow portion 14. Can be reduced.
　また、本実施の形態によれば、カバー４０がＥＧＲガス流入部１４の外形に沿って湾曲しているため、内燃機関のアダプタ装置１よりも後方に配置された装置に対する走行風及びファンからの送風を遮断することがない。よって、後方に配置された装置の冷却効果の低減を防ぐことができる。 Further, according to the present embodiment, since the cover 40 is curved along the outer shape of the EGR gas inflow portion 14, the running wind and the fan for the device arranged behind the adapter device 1 of the internal combustion engine. It does not block the ventilation. Therefore, it is possible to prevent a reduction in the cooling effect of the device arranged at the rear.
　なお、本開示は、部材の種類、配置、個数等は前述の実施の形態に限定されるものではなく、その構成要素を同等の作用効果を奏するものに適宜置換する等、開示の要旨を逸脱しない範囲で適宜変更可能であることはもちろんである。 It should be noted that the present disclosure is not limited to the above-described embodiment in terms of the type, arrangement, number, etc. of the members, and deviates from the gist of the disclosure, such as appropriately replacing the constituent elements with those having the same effect and effect. Of course, it can be changed as appropriate within the range that does not occur.
　具体的には、上記実施の形態において、スペーサ５０を設けたが、カバー４０と内燃機関のアダプタ装置１との間への空気の流れ込みの影響がないまたは小さい場合には、スペーサ５０を設けなくてもよい。 Specifically, in the above embodiment, the spacer 50 is provided, but if the influence of the air flow between the cover 40 and the adapter device 1 of the internal combustion engine is not large or small, the spacer 50 is not provided. You may.
　また、上記実施の形態において、カバー４０を樹脂ダクト１０の前方側に設けたが、これに代えて又はこれに加えて、ファンから直接送風される部分に設けてもよい。 Further, in the above embodiment, the cover 40 is provided on the front side of the resin duct 10, but instead of or in addition to this, a cover 40 may be provided on a portion where air is directly blown from the fan.
　また、上記実施の形態において、樹脂ダクト１０によってＥＧＲガスと空気とを混合して燃焼室に還流させたが、樹脂以外のダクトによってＥＧＲガスと空気とを混合して燃焼室に還流させてもよい。 Further, in the above embodiment, the EGR gas and air are mixed by the resin duct 10 and returned to the combustion chamber, but the EGR gas and air may be mixed and returned to the combustion chamber by a duct other than the resin. Good.
　本出願は、２０１９年３月２８日付で出願された日本国特許出願（特願２０１９－０６４９９７）に基づくものであり、その内容はここに参照として取り込まれる。 This application is based on a Japanese patent application (Japanese Patent Application No. 2019-064997) filed on March 28, 2019, the contents of which are incorporated herein by reference.
　本開示に係る内燃機関のアダプタ装置は、車両の内燃機関から排出される排気ガスの一部を内燃機関の燃焼室に還流させるのに好適である。 The internal combustion engine adapter device according to the present disclosure is suitable for returning a part of the exhaust gas discharged from the internal combustion engine of the vehicle to the combustion chamber of the internal combustion engine.
　１　内燃機関のアダプタ装置
　１０　樹脂ダクト
　１２　空気流入部
　１３　供給部
　１４　ＥＧＲガス流入部
　１５　アダプタ取付部
　４０　カバー
　４１　カバー脚
　４２　カバー取付部
　５０　スペーサ
　１００　内燃機関
　１０２　吸気通路
　１０３　排気通路
　１０４　ターボチャージャ
　１０５　ハイプレッシャーＥＧＲ装置
　１０６　ロープレッシャーＥＧＲ装置
　１０８　インタークーラー
　１０９　インテークマニホールド
　１１０　内燃機関本体
　１１１　エキゾーストマニホールド
　１１２、１１４、１１８、１２０　通路
　１１３　ＨＰ－ＥＧＲクーラー
　１１７　排気ガス後処理装置
　１１９　ＬＰ－ＥＧＲクーラー 1 Internal combustion engine adapter device 10 Resin duct 12 Air inflow part 13 Supply part 14 EGR gas inflow part 15 Adapter mounting part 40 Cover 41 Cover leg 42 Cover mounting part 50 Spacer 100 Internal combustion engine 102 Intake passage 103 Exhaust passage 104 Turbocharger 105 High Pressure EGR device 106 Low pressure EGR device 108 Intercooler 109 Intake manifold 110 Internal combustion engine body 111 Exhaust manifold 112, 114, 118, 120 Passage 113 HP-EGR cooler 117 Exhaust gas aftertreatment device 119 LP-EGR cooler

Claims (4)

  1. 　車両の内燃機関から排出される排気ガスの一部を前記内燃機関の燃焼室に還流させる内燃機関のアダプタ装置であって、
    　前記排気ガスの一部が流入する第１の流入部と、空気が流入する第２の流入部と、前記第１の流入部から流入する前記排気ガスの一部と前記第２の流入部から流入する前記空気とを混合した混合気を前記燃焼室に還流させる供給部と、を備えるダクトと、
    　前記第１の流入部の外周に設けられるカバーと、
    　を有する内燃機関のアダプタ装置。     An internal combustion engine adapter device that returns a part of the exhaust gas discharged from the internal combustion engine of a vehicle to the combustion chamber of the internal combustion engine.
    From the first inflow part into which a part of the exhaust gas flows in, the second inflow part into which air flows in, the part of the exhaust gas flowing in from the first inflow part, and the second inflow part. A duct including a supply unit for returning an air-fuel mixture mixed with the inflowing air to the combustion chamber.
    A cover provided on the outer circumference of the first inflow portion and
    Internal combustion engine adapter device.
  2. 　前記カバーは、
    　前記第１の流入部の前記車両の前方側に設けられる、
    　請求項１に記載の内燃機関のアダプタ装置。     The cover is
    Provided on the front side of the vehicle in the first inflow portion,
    The adapter device for an internal combustion engine according to claim 1.
  3. 　前記カバーは、
    　前記第１の流入部の外形に沿って湾曲している、
    　請求項１に記載の内燃機関のアダプタ装置。     The cover is
    It is curved along the outer shape of the first inflow portion.
    The adapter device for an internal combustion engine according to claim 1.
  4. 　前記第１の流入部と前記カバーとの間に配置されたスペーサをさらに有する、
    　請求項１に記載の内燃機関のアダプタ装置。     Further having a spacer disposed between the first inflow portion and the cover.
    The adapter device for an internal combustion engine according to claim 1.
PCT/JP2020/013043 2019-03-28 2020-03-24 Adapter device for internal combustion engine WO2020196529A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080025311.7A CN113646523A (en) 2019-03-28 2020-03-24 Adapter device for internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019064997A JP2020165351A (en) 2019-03-28 2019-03-28 Adapter device of internal combustion engine
JP2019-064997 2019-03-28

Publications (1)

Publication Number Publication Date
WO2020196529A1 true WO2020196529A1 (en) 2020-10-01

Family

ID=72611993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/013043 WO2020196529A1 (en) 2019-03-28 2020-03-24 Adapter device for internal combustion engine

Country Status (3)

Country Link
JP (1) JP2020165351A (en)
CN (1) CN113646523A (en)
WO (1) WO2020196529A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544583A (en) * 1991-08-19 1993-02-23 Nissan Motor Co Ltd Exhaust gas reflux device for internal combustion engine
JP2014077430A (en) * 2012-10-09 2014-05-01 Hyundai Motor Company Co Ltd Exhaust gas supply pipe for egr cooler of vehicle
JP2014231762A (en) * 2013-05-28 2014-12-11 トヨタ自動車株式会社 Internal combustion engine
JP2016217249A (en) * 2015-05-20 2016-12-22 トヨタ自動車株式会社 Intake device for supercharged engine
JP2018084211A (en) * 2016-11-25 2018-05-31 大豊工業株式会社 Gas mixing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544583A (en) * 1991-08-19 1993-02-23 Nissan Motor Co Ltd Exhaust gas reflux device for internal combustion engine
JP2014077430A (en) * 2012-10-09 2014-05-01 Hyundai Motor Company Co Ltd Exhaust gas supply pipe for egr cooler of vehicle
JP2014231762A (en) * 2013-05-28 2014-12-11 トヨタ自動車株式会社 Internal combustion engine
JP2016217249A (en) * 2015-05-20 2016-12-22 トヨタ自動車株式会社 Intake device for supercharged engine
JP2018084211A (en) * 2016-11-25 2018-05-31 大豊工業株式会社 Gas mixing device

Also Published As

Publication number Publication date
JP2020165351A (en) 2020-10-08
CN113646523A (en) 2021-11-12

Similar Documents

Publication Publication Date Title
US9228548B2 (en) Intake device for internal combustion engine with supercharger
KR20080095843A (en) Mixing unit for low pressure-egr condensate into the compressor
US20070028902A1 (en) EGR cooler system
JP5966589B2 (en) Low pressure loop EGR device
US10934945B2 (en) Internal combustion engine with compressor, exhaust-gas recirculation arrangement and pivotable flap
JP6035987B2 (en) Venturi for exhaust gas recirculation
US7584748B2 (en) Exhaust gas recirculation system for an internal combustion engine
JP2009270508A (en) Internal combustion engine with intercooler
JP2002188526A (en) Egr device
JP2008309125A (en) Exhaust gas recirculation system for internal combustion engine
US20110011377A1 (en) Construction machine
JP4916380B2 (en) Intake manifold for internal combustion engines
WO2020196529A1 (en) Adapter device for internal combustion engine
US9476386B2 (en) Intake and exhaust system for internal combustion engine
JP2007127070A (en) Internal combustion engine with supercharger
JP2015040549A (en) Internal combustion engine with supercharger
JP2000018108A (en) Intake system of internal combustion engine
US11261767B2 (en) Bifurcated air induction system for turbocharged engines
JP6231446B2 (en) Exhaust mixing device
JP2012225311A (en) Intake device
WO2009059923A3 (en) Internal combustion engine comprising an inlet system and an outlet system
JP2013060820A (en) Arrangement structure of two-stage supercharging system
JP2004245117A (en) Internal combustion engine with supercharger
JPH09303213A (en) Exhaust recirculation device for internal combustion engine
JP2014132163A (en) Intercooler

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20776911

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20776911

Country of ref document: EP

Kind code of ref document: A1