JP6866783B2 - 排ガス再循環装置 - Google Patents
排ガス再循環装置 Download PDFInfo
- Publication number
- JP6866783B2 JP6866783B2 JP2017122360A JP2017122360A JP6866783B2 JP 6866783 B2 JP6866783 B2 JP 6866783B2 JP 2017122360 A JP2017122360 A JP 2017122360A JP 2017122360 A JP2017122360 A JP 2017122360A JP 6866783 B2 JP6866783 B2 JP 6866783B2
- Authority
- JP
- Japan
- Prior art keywords
- egr
- duct
- exhaust gas
- passage
- gas recirculation
- 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.)
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Classifications
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- 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
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
-
- 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
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
- F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
エンジンの排ガスの一部を、EGR通路を通して前記エンジンの吸気側へ還流する排ガス再循環装置であって、
前記EGR通路と前記エンジンのインテーク通路との接続位置に設けられたリードバルブと、
前記EGR通路に設けられたEGRバルブと、
前記EGR通路のうち、前記EGRバルブとEGRクーラーとを接続する通路を形成するEGRダクトと、
を備え、
前記EGRダクトは、前記リードバルブにより発生する開閉音の前記EGR通路内での共鳴を抑制するように形成されている。
2 エンジン本体
10 EGR(排ガス再循環)装置
11 EGRクーラー
12 EGRバルブ
13 リードバルブ
14、14x EGRダクト
14a 固定部
Eg EGR(排ガス再循環)通路
Ex 排気通路
In インテーク通路
Claims (3)
- エンジンの排ガスの一部を、EGR通路を通して前記エンジンの吸気側へ還流する排ガス再循環装置であって、
前記EGR通路と前記エンジンのインテーク通路との接続位置に設けられたリードバルブと、
前記EGR通路に設けられたEGRバルブと、
前記EGR通路のうち、前記EGRバルブとEGRクーラーとを接続する通路を形成するEGRダクトと、
を備え、
前記EGRダクトは、200Hz以下の共鳴周波数特性を有し、前記リードバルブにより発生する開閉音の前記EGR通路内での共鳴を抑制する、
排ガス再循環装置。 - 前記EGRダクトは、鋳物により形成されている、
請求項1に記載の排ガス再循環装置。 - 前記ERGダクトの外面には、前記EGRダクトを外部に固定するための固定部が設けられている、
請求項2に記載の排ガス再循環装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017122360A JP6866783B2 (ja) | 2017-06-22 | 2017-06-22 | 排ガス再循環装置 |
US16/624,300 US11047347B2 (en) | 2017-06-22 | 2018-06-15 | Exhaust gas recirculating device |
DE112018003197.7T DE112018003197T5 (de) | 2017-06-22 | 2018-06-15 | Abgasrückführungsvorrichtung |
PCT/JP2018/022918 WO2018235737A1 (ja) | 2017-06-22 | 2018-06-15 | 排ガス再循環装置 |
CN201880039178.3A CN110770431B (zh) | 2017-06-22 | 2018-06-15 | 废气再循环装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017122360A JP6866783B2 (ja) | 2017-06-22 | 2017-06-22 | 排ガス再循環装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019007389A JP2019007389A (ja) | 2019-01-17 |
JP6866783B2 true JP6866783B2 (ja) | 2021-04-28 |
Family
ID=64737021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017122360A Active JP6866783B2 (ja) | 2017-06-22 | 2017-06-22 | 排ガス再循環装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11047347B2 (ja) |
JP (1) | JP6866783B2 (ja) |
CN (1) | CN110770431B (ja) |
DE (1) | DE112018003197T5 (ja) |
WO (1) | WO2018235737A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6866783B2 (ja) | 2017-06-22 | 2021-04-28 | いすゞ自動車株式会社 | 排ガス再循環装置 |
CN112610342B (zh) * | 2020-12-15 | 2022-07-15 | 广西玉柴机器股份有限公司 | 改善发动机停机噪声的egr阀控制方法 |
JP7298743B1 (ja) | 2022-03-22 | 2023-06-27 | いすゞ自動車株式会社 | 排気ガス再循環構造 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0694850B2 (ja) | 1987-12-28 | 1994-11-24 | 三菱重工業株式会社 | 排気ターボ過給エンジンの排気再循環装置 |
DE69536074D1 (de) * | 1994-12-26 | 2010-06-10 | Hitachi Ltd | Durchflussmengenregler für eine brennkraftmaschine |
JP2000249004A (ja) | 1999-03-02 | 2000-09-12 | Isuzu Motors Ltd | リード弁を備えたegr装置 |
JP2001132557A (ja) | 1999-10-29 | 2001-05-15 | Isuzu Motors Ltd | リード弁を備えたegr装置 |
JP2002013442A (ja) * | 2000-06-30 | 2002-01-18 | Nissan Diesel Motor Co Ltd | エンジンの排気ガス再循環装置 |
JP3554257B2 (ja) | 2000-07-31 | 2004-08-18 | キヤノン株式会社 | 表示制御装置及び方法 |
JP4060616B2 (ja) * | 2002-03-11 | 2008-03-12 | 日産ディーゼル工業株式会社 | エンジンのegr装置 |
JP2003269264A (ja) * | 2002-03-11 | 2003-09-25 | Nissan Diesel Motor Co Ltd | エンジンのegr装置 |
US20100300088A1 (en) * | 2007-05-14 | 2010-12-02 | Borgwarner Inc. | Method of controlling a turbocharger |
JP2009228645A (ja) * | 2008-03-25 | 2009-10-08 | Kubota Corp | エンジン |
JP4724217B2 (ja) * | 2008-10-14 | 2011-07-13 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP5043899B2 (ja) * | 2009-07-27 | 2012-10-10 | 日立オートモティブシステムズ株式会社 | 内燃機関のegr流量制御装置 |
US20110041495A1 (en) * | 2009-08-24 | 2011-02-24 | General Electric Company | Systems and methods for exhaust gas recirculation |
US8943823B2 (en) * | 2010-11-18 | 2015-02-03 | Caterpillar Inc. | Fluid handling system having dedicated EGR turbo-generator |
JP5136701B2 (ja) * | 2010-12-02 | 2013-02-06 | トヨタ自動車株式会社 | 過給機付き内燃機関の制御装置 |
US9284898B2 (en) * | 2013-06-10 | 2016-03-15 | Ford Global Technologies, Llc | Method and system for binary flow turbine control |
JP2016029296A (ja) * | 2014-07-25 | 2016-03-03 | いすゞ自動車株式会社 | リード弁 |
JP2016044584A (ja) * | 2014-08-21 | 2016-04-04 | いすゞ自動車株式会社 | 排気再循環装置 |
JP6230585B2 (ja) * | 2015-11-18 | 2017-11-15 | 本田技研工業株式会社 | 内燃機関の排気浄化装置 |
CN105604747A (zh) * | 2016-03-09 | 2016-05-25 | 广西玉柴机器股份有限公司 | 防止振动断裂的egr波纹管 |
JP6866783B2 (ja) | 2017-06-22 | 2021-04-28 | いすゞ自動車株式会社 | 排ガス再循環装置 |
-
2017
- 2017-06-22 JP JP2017122360A patent/JP6866783B2/ja active Active
-
2018
- 2018-06-15 CN CN201880039178.3A patent/CN110770431B/zh active Active
- 2018-06-15 US US16/624,300 patent/US11047347B2/en active Active
- 2018-06-15 DE DE112018003197.7T patent/DE112018003197T5/de active Pending
- 2018-06-15 WO PCT/JP2018/022918 patent/WO2018235737A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US11047347B2 (en) | 2021-06-29 |
CN110770431B (zh) | 2021-08-13 |
CN110770431A (zh) | 2020-02-07 |
WO2018235737A1 (ja) | 2018-12-27 |
US20200124005A1 (en) | 2020-04-23 |
JP2019007389A (ja) | 2019-01-17 |
DE112018003197T5 (de) | 2020-03-05 |
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