FR3101111B1 - Exhaust air injection device - Google Patents

Exhaust air injection device 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
French (fr)
Other versions
FR3101111A1 (en
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/en
Priority to JP2022514193A priority patent/JP2022548518A/en
Priority to PCT/EP2020/075939 priority patent/WO2021058360A1/en
Priority to CN202080066511.7A priority patent/CN114430789A/en
Priority to EP20772305.7A priority patent/EP4208631A1/en
Priority to KR1020227009891A priority patent/KR20220066286A/en
Publication of FR3101111A1 publication Critical patent/FR3101111A1/en
Application granted granted Critical
Publication of FR3101111B1 publication Critical patent/FR3101111B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/001—Gas flow channels or gas 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

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 2Exhaust air injection device Exhaust air injection system (4) for a combustion engine (3), comprising:- an air injection device (17), and - a solenoid valve (20), the air injection device (17) comprising a cylinder head (6) and a cylinder head cover (13), the cylinder head cover comprising a body in which a first air duct is formed (25), the cylinder head comprising a body in which are formed a second air duct (26) and a gas exhaust duct (9), the first air duct (25) being connected upstream to a pump injection nozzle (19), the first air duct (25) being connected downstream to the second air duct (26), the second air duct (26) being connected downstream to the gas exhaust (9), the solenoid valve (20) being fixed against the cylinder head cover (13) and connected downstream to the first air duct (25). Figure for abstract: Figure 2

FR1910528A 2019-09-24 2019-09-24 Exhaust air injection device Active FR3101111B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1910528A FR3101111B1 (en) 2019-09-24 2019-09-24 Exhaust air injection device
JP2022514193A JP2022548518A (en) 2019-09-24 2020-09-17 device for injecting air into the exhaust
PCT/EP2020/075939 WO2021058360A1 (en) 2019-09-24 2020-09-17 Device for injecting air into the exhaust
CN202080066511.7A CN114430789A (en) 2019-09-24 2020-09-17 Device for injecting air into an exhaust
EP20772305.7A EP4208631A1 (en) 2019-09-24 2020-09-17 Device for injecting air into the exhaust
KR1020227009891A KR20220066286A (en) 2019-09-24 2020-09-17 device for injecting air into the exhaust

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910528 2019-09-24
FR1910528A FR3101111B1 (en) 2019-09-24 2019-09-24 Exhaust air injection device

Publications (2)

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

Family

ID=68733394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910528A Active FR3101111B1 (en) 2019-09-24 2019-09-24 Exhaust air injection device

Country Status (6)

Country Link
EP (1) EP4208631A1 (en)
JP (1) JP2022548518A (en)
KR (1) KR20220066286A (en)
CN (1) CN114430789A (en)
FR (1) FR3101111B1 (en)
WO (1) WO2021058360A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793616A (en) * 1980-12-03 1982-06-10 Honda Motor Co Ltd Exhaust purifier for internal combustion engine
DE19847477A1 (en) * 1998-10-15 2000-04-20 Audi Ag Method and device for reducing the exhaust gas component load of internal combustion engines
JP3646066B2 (en) * 2001-01-09 2005-05-11 本田技研工業株式会社 Secondary air supply device for engine exhaust purification
JP4298273B2 (en) * 2002-11-27 2009-07-15 川崎重工業株式会社 Engine and small planing boat
JP4497936B2 (en) * 2003-03-20 2010-07-07 本田技研工業株式会社 Reed valve
FR2893081A3 (en) * 2005-11-10 2007-05-11 Renault Sas Internal combustion engine has fresh air jets in exhaust valve seats to improve post combustion of exhaust gases
DE102005059404A1 (en) * 2005-12-13 2007-06-14 Elringklinger Ag Cylinder head gasket for multi-cylinder engines, has support device formed as appropriate support on sheet metal layer
DE102006048176A1 (en) * 2006-10-10 2008-04-17 Mahle International Gmbh Piston engine for vehicles has cylindrical head with cylindrical head covering, which is mounted at multiple singular mounting positions on cylindrical head
FR2995352B1 (en) * 2012-09-13 2017-12-22 Renault Sas MOTOR VEHICLE COMPRISING AN INTERNAL COMBUSTION ENGINE, A CATALYST AND A CATALYST INSULATION DEVICE
CN107035485B (en) * 2017-06-21 2023-10-13 浙江春风动力股份有限公司 Vehicle and engine thereof

Also Published As

Publication number Publication date
FR3101111A1 (en) 2021-03-26
EP4208631A1 (en) 2023-07-12
CN114430789A (en) 2022-05-03
WO2021058360A1 (en) 2021-04-01
JP2022548518A (en) 2022-11-21
KR20220066286A (en) 2022-05-24

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