FR3101111B1 - Dispositif d'injection d'air à l'échappement - Google Patents

Dispositif d'injection d'air à l'échappement Download PDF

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Publication number
FR3101111B1
FR3101111B1 FR1910528A FR1910528A FR3101111B1 FR 3101111 B1 FR3101111 B1 FR 3101111B1 FR 1910528 A FR1910528 A FR 1910528A FR 1910528 A FR1910528 A FR 1910528A FR 3101111 B1 FR3101111 B1 FR 3101111B1
Authority
FR
France
Prior art keywords
air duct
injection device
cylinder head
air injection
air
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.)
Active
Application number
FR1910528A
Other languages
English (en)
Other versions
FR3101111A1 (fr
Inventor
Fernando Almeida
Joseph Lefebvre
Philippe Vanbatten
Thomas Veneziani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Nissan Motor Co Ltd
Original Assignee
Renault SAS
Nissan Motor Co Ltd
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 Renault SAS, Nissan Motor Co Ltd filed Critical Renault SAS
Priority to FR1910528A priority Critical patent/FR3101111B1/fr
Priority to EP20772305.7A priority patent/EP4208631A1/fr
Priority to PCT/EP2020/075939 priority patent/WO2021058360A1/fr
Priority to CN202080066511.7A priority patent/CN114430789A/zh
Priority to KR1020227009891A priority patent/KR102885346B1/ko
Priority to JP2022514193A priority patent/JP7592071B2/ja
Publication of FR3101111A1 publication Critical patent/FR3101111A1/fr
Application granted granted Critical
Publication of FR3101111B1 publication Critical patent/FR3101111B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/001—Exhaust gas flow channels or chambers being at least partly formed in the structural parts of the engine or machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/32—Arrangements for supply of additional air using air pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2270/00—Mixing air with exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1433—Pumps
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Dispositif d'injection d'air à l'échappement Système d'injection d'air (4) à l'échappement pour un moteur à combustion (3), comprenant :- un dispositif d'injection d'air (17), et - une électrovanne (20), le dispositif d'injection d'air (17) comprenant une culasse (6) et un couvercle de culasse (13), le couvercle de culasse comprenant un corps dans lequel est formé une première conduite d'air (25), la culasse comprenant un corps dans lequel sont formés une deuxième conduite d'air (26) et une conduite d'échappement des gaz (9), la première conduite d'air (25) étant reliée en amont à une pompe d'injection d'air (19), la première conduite d'air (25) étant reliée en aval à la deuxième conduite d'air (26), la deuxième conduite d'air (26) étant reliée en aval à la conduite d'échappement des gaz (9), l'électrovanne (20) étant fixée contre le couvercle de culasse (13) et reliée en aval à la première conduite d'air (25). Figure pour l’abrégé : figure 2
FR1910528A 2019-09-24 2019-09-24 Dispositif d'injection d'air à l'échappement Active FR3101111B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1910528A FR3101111B1 (fr) 2019-09-24 2019-09-24 Dispositif d'injection d'air à l'échappement
EP20772305.7A EP4208631A1 (fr) 2019-09-24 2020-09-17 Dispositif d'injection d'air à l'échappement
PCT/EP2020/075939 WO2021058360A1 (fr) 2019-09-24 2020-09-17 Dispositif d'injection d'air à l'échappement
CN202080066511.7A CN114430789A (zh) 2019-09-24 2020-09-17 用于将空气注入排放中的装置
KR1020227009891A KR102885346B1 (ko) 2019-09-24 2020-09-17 공기를 배기부로 주입하기 위한 장치
JP2022514193A JP7592071B2 (ja) 2019-09-24 2020-09-17 排気に空気を噴射するための装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910528 2019-09-24
FR1910528A FR3101111B1 (fr) 2019-09-24 2019-09-24 Dispositif d'injection d'air à l'échappement

Publications (2)

Publication Number Publication Date
FR3101111A1 FR3101111A1 (fr) 2021-03-26
FR3101111B1 true FR3101111B1 (fr) 2022-04-08

Family

ID=68733394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910528A Active FR3101111B1 (fr) 2019-09-24 2019-09-24 Dispositif d'injection d'air à l'échappement

Country Status (6)

Country Link
EP (1) EP4208631A1 (fr)
JP (1) JP7592071B2 (fr)
KR (1) KR102885346B1 (fr)
CN (1) CN114430789A (fr)
FR (1) FR3101111B1 (fr)
WO (1) WO2021058360A1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869859A (en) * 1974-01-17 1975-03-11 Gen Motors Corp Engine and valve cover therefor having integral air gallery
JPS5793616A (en) * 1980-12-03 1982-06-10 Honda Motor Co Ltd Exhaust purifier for internal combustion engine
JPS58106287A (ja) * 1981-12-17 1983-06-24 本田技研工業株式会社 流体通路の接続装置
DE19847477A1 (de) * 1998-10-15 2000-04-20 Audi Ag Verfahren und Vorrichtung zur Verminderung der abgasseitigen Bauteilbelastung von Brennkraftmaschinen
JP3646066B2 (ja) * 2001-01-09 2005-05-11 本田技研工業株式会社 エンジンの排気浄化用２次空気供給装置
JP4298273B2 (ja) * 2002-11-27 2009-07-15 川崎重工業株式会社 エンジン及び小型滑走艇
JP4497936B2 (ja) * 2003-03-20 2010-07-07 本田技研工業株式会社 リードバルブ
FR2893081A3 (fr) * 2005-11-10 2007-05-11 Renault Sas Siege de soupape comportant une buse d'injection, moteur comportant ce siege et procede d'injection d'air a l'echappement
DE102005059404A1 (de) * 2005-12-13 2007-06-14 Elringklinger Ag Zylinderkopfdichtung
DE102006048176A1 (de) 2006-10-10 2008-04-17 Mahle International Gmbh Kolbenmotor mit Zylinderkopfhaube und Zylinderkopfhaubendichtung
JP2012241769A (ja) * 2011-05-18 2012-12-10 Denso Corp 流体制御弁
FR2995352B1 (fr) * 2012-09-13 2017-12-22 Renault Sas Vehicule automobile comprenant un moteur a combustion interne, un catalyseur et un dispositif d'isolation du catalyseur
CN107035485B (zh) * 2017-06-21 2023-10-13 浙江春风动力股份有限公司 一种车辆及其发动机
DE102017219167A1 (de) 2017-10-25 2019-04-25 Volkswagen Aktiengesellschaft Brennkraftmaschine mit einem Abgasstrang und mit einem Sekundärluftsystem
CN112331262A (zh) * 2021-01-06 2021-02-05 北京百度网讯科技有限公司 亲和度预测方法及模型的训练方法、装置、设备及介质

Also Published As

Publication number Publication date
JP2022548518A (ja) 2022-11-21
KR20220066286A (ko) 2022-05-24
CN114430789A (zh) 2022-05-03
JP7592071B2 (ja) 2024-11-29
FR3101111A1 (fr) 2021-03-26
KR102885346B1 (ko) 2025-11-11
WO2021058360A1 (fr) 2021-04-01
EP4208631A1 (fr) 2023-07-12

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