JP2006090167A - エンジンの排気還流装置 - Google Patents
エンジンの排気還流装置 Download PDFInfo
- Publication number
- JP2006090167A JP2006090167A JP2004274603A JP2004274603A JP2006090167A JP 2006090167 A JP2006090167 A JP 2006090167A JP 2004274603 A JP2004274603 A JP 2004274603A JP 2004274603 A JP2004274603 A JP 2004274603A JP 2006090167 A JP2006090167 A JP 2006090167A
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- Prior art keywords
- valve
- cooler
- passage
- egr
- engine
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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
- F02M26/65—Constructional details of EGR valves
- F02M26/66—Lift valves, e.g. poppet valves
- F02M26/69—Lift valves, e.g. poppet valves having two or more valve-closing members
-
- 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
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/25—Layout, e.g. schematics with coolers having bypasses
- F02M26/26—Layout, e.g. schematics with coolers having bypasses characterised by details of the bypass valve
-
- 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
- F02M26/52—Systems for actuating EGR valves
- F02M26/55—Systems for actuating EGR valves using vacuum actuators
-
- 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
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- 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
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/28—Layout, e.g. schematics with 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
- 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
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
【解決手段】EGRを冷却するクーラ通路(13b)と該クーラ通路を迂回するバイパス通路(13a)とを並列に設けると共に、これら2つの通路の排気マニホルド(5)に対する連通を選択的に切り換える切換弁(15)を該2つの通路の分岐部に設けてなるエンジンの排気還流装置(EGR装置10)において、前記切換弁を、ポペット弁(18)が一端に設けられてダイヤフラムアクチュエータ(16)が他端に連結され、且つ中間部がスライド支持された弁軸(32)と、クーラ通路に連なるクーラポート弁座(29b)およびバイパス通路に連なるバイパスポート弁座(29a)を有すると共に、排気マニホルドに連なる入力ポート(25)を挟んでダイアフラム側にバイパポート弁座を配し、反ダイアフラム側にクーラポート弁座を配したものとする。
【選択図】図4
Description
5 排気マニホルド
10 EGR装置
13a バイパス通路
13b クーラ通路
15 切換弁
16 ダイヤフラムアクチュエータ
18 ポペット弁
26 入力ポート
29a バイパスポート弁座
29b クーラポート弁座
30 上側弁体
31 下側弁体
32 弁軸
35 肉抜き部
Claims (4)
- EGRを冷却するクーラ通路と該クーラ通路を迂回するバイパス通路とを並列に設けると共に、これら2つの通路の排気マニホルドに対する連通を選択的に切り換える切換弁を該2つの通路の分岐部に設けてなるエンジンの排気還流装置であって、
前記切換弁は、ポペット弁が一端に設けられてダイヤフラムアクチュエータが他端に連結され、且つ中間部がスライド支持された弁軸と、前記クーラ通路に連なるクーラポート弁座および前記バイパス通路に連なるバイパスポート弁座を有すると共に、
前記排気マニホルドに連なる入口ポートを挟んでダイアフラム側にバイパスポート弁座を配し、反ダイアフラム側にクーラポート弁座を配したものであることを特徴とするエンジンの排気還流装置。 - 前記クーラポート弁座の口径が、前記バイパスポート弁座の口径よりも大きいことを特徴とする請求項1に記載のエンジンの排気還流装置。
- 前記ポペット弁は、前記クーラポート側の弁と前記バイパスポート側の弁との間が肉抜きされて2連に構成されることを特徴とする請求項1若しくは2に記載のエンジンの排気還流装置。
- 前記ポペット弁は、当該エンジンの暖機運転時は前記入口ポートを前記バイパス通路側へ連通させ、当該エンジンの暖機完了後は前記入口ポートを前記クーラ通路側へ連通させるように駆動されることを特徴とする請求項1乃至3のいずれかに記載のエンジンの排気還流装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004274603A JP4091584B2 (ja) | 2004-09-22 | 2004-09-22 | エンジンの排気還流装置 |
EP05017625A EP1640599B1 (en) | 2004-09-22 | 2005-08-12 | Exhaust gas recirculating system for internal combustion engines |
DE602005000590T DE602005000590T2 (de) | 2004-09-22 | 2005-08-12 | Abgasrückführungssystem für eine Brennkraftmaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004274603A JP4091584B2 (ja) | 2004-09-22 | 2004-09-22 | エンジンの排気還流装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006090167A true JP2006090167A (ja) | 2006-04-06 |
JP4091584B2 JP4091584B2 (ja) | 2008-05-28 |
Family
ID=35197868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004274603A Expired - Fee Related JP4091584B2 (ja) | 2004-09-22 | 2004-09-22 | エンジンの排気還流装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1640599B1 (ja) |
JP (1) | JP4091584B2 (ja) |
DE (1) | DE602005000590T2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100990406B1 (ko) | 2008-04-07 | 2010-10-29 | 캄텍주식회사 | 내연기관용 배기가스 재순환장치 |
JP2012026434A (ja) * | 2010-06-25 | 2012-02-09 | Mazda Motor Corp | エンジンの排気還流装置 |
KR101180940B1 (ko) | 2008-06-12 | 2012-09-07 | 현대자동차주식회사 | 배기가스 재순환 장치 및 이를 구비한 차량 |
JP2015059560A (ja) * | 2013-09-20 | 2015-03-30 | いすゞ自動車株式会社 | Egr装置及び排気ガス還流方法 |
WO2015152375A1 (ja) * | 2014-04-04 | 2015-10-08 | スズキ株式会社 | 車両用内燃機関の補機取付け構造 |
JP2015200203A (ja) * | 2014-04-07 | 2015-11-12 | スズキ株式会社 | 車両用内燃機関の補機取付け構造 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2932223B1 (fr) * | 2008-06-06 | 2011-04-29 | Peugeot Citroen Automobiles Sa | Circuit egr possedant un actionneur de vanne de by-pass thermostatique et procede de commande d'un tel circuit egr |
WO2010018650A1 (ja) * | 2008-08-13 | 2010-02-18 | 三菱電機株式会社 | 排気ガス循環バルブ装置 |
FR2945096A3 (fr) * | 2009-04-30 | 2010-11-05 | Renault Sas | Vanne de regulation pour circuit de recirculation de gaz d'echappement de moteur a combustion interne, et procede de regulation correspondant |
US8047184B2 (en) | 2009-07-31 | 2011-11-01 | Ford Global Technologies, Llc | EGR cooler bypass strategy |
JP2011106330A (ja) * | 2009-11-17 | 2011-06-02 | Honda Motor Co Ltd | 内燃機関の制御装置 |
CN102400819A (zh) * | 2011-12-02 | 2012-04-04 | 湖南天雁机械有限责任公司 | 柴油发动机废气再循环系统冷却方法及装置 |
CN106762249A (zh) * | 2016-12-28 | 2017-05-31 | 无锡隆盛科技股份有限公司 | 应用于电动egr阀的双阀芯结构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06288306A (ja) | 1993-04-05 | 1994-10-11 | Mitsubishi Motors Corp | ディーゼルエンジンの排気還流装置 |
US6213447B1 (en) * | 1999-07-29 | 2001-04-10 | Delphi Technologies, Inc. | Poppet value having a compliant shaft guide and compliant valve head |
DE10025877C2 (de) * | 2000-05-25 | 2002-04-11 | Siebe Automotive Deutschland Gmbh | Abgasrückführsystem |
FR2827011B1 (fr) * | 2001-07-05 | 2003-10-03 | Renault | Vanne de commande pour un circuit de recirculation de gaz d'echappement d'un moteur a combustion interne |
EP1467082B1 (en) * | 2002-01-16 | 2016-03-30 | Mitsubishi Denki Kabushiki Kaisha | Exhaust gas recirculating device |
HU2488U (en) * | 2002-05-15 | 2003-03-28 | Behr Gmbh & Co Kg | Apparatus for controlling of recirculated exhaust gases in internal combustion engines |
-
2004
- 2004-09-22 JP JP2004274603A patent/JP4091584B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-12 DE DE602005000590T patent/DE602005000590T2/de active Active
- 2005-08-12 EP EP05017625A patent/EP1640599B1/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100990406B1 (ko) | 2008-04-07 | 2010-10-29 | 캄텍주식회사 | 내연기관용 배기가스 재순환장치 |
KR101180940B1 (ko) | 2008-06-12 | 2012-09-07 | 현대자동차주식회사 | 배기가스 재순환 장치 및 이를 구비한 차량 |
JP2012026434A (ja) * | 2010-06-25 | 2012-02-09 | Mazda Motor Corp | エンジンの排気還流装置 |
JP2015059560A (ja) * | 2013-09-20 | 2015-03-30 | いすゞ自動車株式会社 | Egr装置及び排気ガス還流方法 |
WO2015152375A1 (ja) * | 2014-04-04 | 2015-10-08 | スズキ株式会社 | 車両用内燃機関の補機取付け構造 |
CN106133301A (zh) * | 2014-04-04 | 2016-11-16 | 铃木株式会社 | 车辆用内燃机的辅机装配结构 |
JP2015200203A (ja) * | 2014-04-07 | 2015-11-12 | スズキ株式会社 | 車両用内燃機関の補機取付け構造 |
Also Published As
Publication number | Publication date |
---|---|
DE602005000590T2 (de) | 2007-06-21 |
JP4091584B2 (ja) | 2008-05-28 |
EP1640599B1 (en) | 2007-02-21 |
DE602005000590D1 (de) | 2007-04-05 |
EP1640599A1 (en) | 2006-03-29 |
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