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FR2206446A1 - Procede et dispositif de dosage d'air secondaire pour la combustion ou postcombustion optimale des gaz d'echappement de moteurs a combustion interne - Google Patents

Procede et dispositif de dosage d'air secondaire pour la combustion ou postcombustion optimale des gaz d'echappement de moteurs a combustion interne

Info

Publication number
FR2206446A1
FR2206446A1 FR7332100A FR7332100A FR2206446A1 FR 2206446 A1 FR2206446 A1 FR 2206446A1 FR 7332100 A FR7332100 A FR 7332100A FR 7332100 A FR7332100 A FR 7332100A FR 2206446 A1 FR2206446 A1 FR 2206446A1
Authority
FR
France
Prior art keywords
combustion
exhaust gases
secondary air
optimum
metering process
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.)
Granted
Application number
FR7332100A
Other languages
English (en)
Other versions
FR2206446B1 (fr
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.)
Deutsche Vergaser GmbH and Co KG
Original Assignee
Deutsche Vergaser GmbH and Co KG
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 Deutsche Vergaser GmbH and Co KG filed Critical Deutsche Vergaser GmbH and Co KG
Publication of FR2206446A1 publication Critical patent/FR2206446A1/fr
Application granted granted Critical
Publication of FR2206446B1 publication Critical patent/FR2206446B1/fr
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/227Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002Controlling intake air
    • F02D41/0007Controlling intake air for control of turbo-charged or super-charged engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M23/00Apparatus for adding secondary air to fuel-air mixture
    • F02M23/04Apparatus for adding secondary air to fuel-air mixture with automatic control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2700/00Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/09Other ways of controlling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
FR7332100A 1972-11-10 1973-09-04 Procede et dispositif de dosage d'air secondaire pour la combustion ou postcombustion optimale des gaz d'echappement de moteurs a combustion interne Granted FR2206446A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2254961A DE2254961C2 (de) 1972-11-10 1972-11-10 Regeleinrichtung für die Zumessung einer Zusatzluftmenge zur Verbesserung der Verbrennung in Brennkraftmaschinen oder der Nachverbrennung der Abgase von Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
FR2206446A1 true FR2206446A1 (fr) 1974-06-07
FR2206446B1 FR2206446B1 (fr) 1977-08-05

Family

ID=5861293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7332100A Granted FR2206446A1 (fr) 1972-11-10 1973-09-04 Procede et dispositif de dosage d'air secondaire pour la combustion ou postcombustion optimale des gaz d'echappement de moteurs a combustion interne

Country Status (5)

Country Link
US (2) US3931710A (fr)
JP (2) JPS4978018A (fr)
DE (1) DE2254961C2 (fr)
FR (1) FR2206446A1 (fr)
GB (1) GB1421821A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235280A1 (fr) * 1973-06-29 1975-01-24 Bosch Gmbh Robert
FR2328114A1 (fr) * 1975-10-16 1977-05-13 Bosch Gmbh Robert Procede et installation pour regler la composition du melange de carburant et d'air envoye a un moteur a combustion interne
FR2340455A2 (fr) * 1976-02-04 1977-09-02 Bosch Gmbh Robert Procede et installation pour regler, par apport d'air additionnel, le melange de carburant et d'air amene a un moteur a combustion interne

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119009A (fr) * 1973-03-23 1974-11-14
US4058978A (en) * 1974-03-31 1977-11-22 Wilfried Bockelmann Regulating device for metering a supplementary air quantity to improve combustion in combustion engines
DE2422938C2 (de) * 1974-05-11 1982-07-08 Robert Bosch Gmbh, 7000 Stuttgart Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine
FR2286285A1 (fr) * 1974-09-26 1976-04-23 Peugeot & Renault Dispositif electropneumatique de regulation d'une injection d'air auxiliaire a l'admission des moteurs a combustion interne
ZA756805B (en) * 1974-10-30 1976-10-27 Union Carbide Corp Water swellable poly (alkylene oxide)
JPS5153131A (en) * 1974-11-01 1976-05-11 Nissan Motor Kikaki
JPS5545046Y2 (fr) * 1975-02-25 1980-10-23
JPS5435609B2 (fr) * 1975-02-27 1979-11-05
US4014169A (en) * 1975-04-07 1977-03-29 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Anti-afterburn device for engine having air pump
JPS51127919A (en) * 1975-04-28 1976-11-08 Nissan Motor Co Ltd Internal combustion engine with exhaust control device
FR2315003A1 (fr) * 1975-06-18 1977-01-14 Laprade Bernard Dispositif de regulation du melange air-carburant des moteurs a combustion interne
JPS5273231A (en) * 1975-12-17 1977-06-18 Toyota Motor Corp Internal combustion engines for vehicles
JPS5925854B2 (ja) * 1975-12-26 1984-06-21 トヨタ自動車株式会社 ナイネンキカンニオケル ニジクウキキヨウキユウソウチ
DE2600014A1 (de) * 1976-01-02 1977-07-14 Walter Franke Verfahren zum betrieb eines viertakt-verbrennungskraftmotors und motor zur durchfuehrung dieses verfahrens
DE2607534A1 (de) * 1976-02-25 1977-09-01 Bosch Gmbh Robert Vorrichtung zur regelung der zusammensetzung des einer brennkraftmaschine zugefuehrten kraftstoff-luft- gemisches
US4175386A (en) * 1976-03-08 1979-11-27 Nippon Soken, Inc. Exhaust gas purification apparatus for an internal combustion engine
IT1062861B (it) * 1976-03-12 1985-02-11 Alfa Romeo Spa Valvola regolatrice della portata d'aria di postcombustione per motori a scoppio
JPS52127511A (en) * 1976-04-19 1977-10-26 Nippon Soken Inc Exhaust gas purifying system in internal combustion engine
JPS52133412A (en) * 1976-05-01 1977-11-08 Toyota Motor Corp Secondary air supply system in internal combustion engine
JPS5924265B2 (ja) * 1976-05-28 1984-06-08 株式会社日本自動車部品総合研究所 空燃比調整装置
US4191013A (en) * 1976-06-02 1980-03-04 Nippon Soken, Inc. Device for purifying exhaust gases from internal combustion engine
JPS5846665B2 (ja) * 1976-06-10 1983-10-18 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JPS52154918A (en) * 1976-06-18 1977-12-23 Toyota Motor Corp Secondary air feeding amount control device for internal combustion engine
US4207737A (en) * 1976-07-28 1980-06-17 Toyota Jidosha Kogyo Kabushiki Kaisha Apparatus for controlling the amount of secondary air injection
JPS5322917A (en) * 1976-08-17 1978-03-02 Toyota Motor Corp Exhaust gas purifying apparatus of internal combustion engine
JPS5338813A (en) * 1976-09-21 1978-04-10 Toyota Motor Corp Secondary air quantity controller for internal combustion engine
JPS6018807B2 (ja) * 1976-11-15 1985-05-13 トヨタ自動車株式会社 内燃機関の2次空気噴射量制御装置
JPS6046247B2 (ja) * 1977-02-15 1985-10-15 トヨタ自動車株式会社 内燃機関の排出ガスを浄化する方法及び装置
JPS6027802B2 (ja) * 1977-03-04 1985-07-01 トヨタ自動車株式会社 内燃機関2次空気供給量制御装置
JPS592790B2 (ja) * 1977-03-04 1984-01-20 三菱自動車工業株式会社 内燃機関の空燃比制御装置
JPS6027803B2 (ja) * 1977-03-11 1985-07-01 トヨタ自動車株式会社 内燃機関2次空気噴射補償装置
JPS5412030A (en) * 1977-06-28 1979-01-29 Toyota Motor Corp Exhaust gas purifying equipment of internal combustion engine
JPS5412032A (en) * 1977-06-29 1979-01-29 Toyota Motor Corp Purifying exhaust gas equipment for internal combustion engine
JPS5423821A (en) * 1977-07-25 1979-02-22 Toyota Motor Corp Secondary-air supply controller of internal combustion engine
JPS5436418A (en) * 1977-08-27 1979-03-17 Toyota Motor Corp Secondary air control valve equipment
JPS5436417A (en) * 1977-08-29 1979-03-17 Nippon Soken Inc Exhaust gas purifying equipment of internal combustion engine
JPS5440922A (en) * 1977-09-07 1979-03-31 Toyota Motor Corp Air fuel ratio control equipment of internal combustion engine
JPS5474914A (en) * 1977-11-29 1979-06-15 Toyota Motor Corp Secondary air supply control apparatus
JPS5491614A (en) * 1977-12-29 1979-07-20 Toyota Motor Corp Secondary air supply apparatus for engine exhaust system
JPS5498424A (en) * 1978-01-19 1979-08-03 Nippon Denso Co Ltd Air supply controller for engine
US4235209A (en) * 1978-06-02 1980-11-25 Ibbott Jack Kenneth Device for introducing additional air into intake passage leading to combustion chamber
US4191134A (en) * 1979-08-10 1980-03-04 The Goodman Systems, Inc. Fluid injection system and method for an internal combustion engine
JPS5629013A (en) * 1979-08-17 1981-03-23 Toyota Motor Corp Exhaust gas cleaning for internal combustion engine
DE3309351A1 (de) * 1983-03-16 1983-09-08 Karl Dipl.-Ing. 7000 Stuttgart Huber Abgasentgifter fuer verbrennungsmotore
JPS6030339U (ja) * 1983-08-04 1985-03-01 本田技研工業株式会社 排気還流制御装置搭載内燃エンジンの吸気2次空気供給装置
GB2168108A (en) * 1984-12-05 1986-06-11 Ford Motor Co A deceleration valve
US5065575A (en) * 1989-11-22 1991-11-19 Siemens Automotive Limited Air flow/check valve
GB2251917A (en) * 1991-01-19 1992-07-22 Ford Motor Co Gas flow control valve.
DE4237215C2 (de) * 1992-11-04 2001-02-22 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überprüfung eines Systems zur Zufuhr von Sekundärluft in das Abgas einer Brenkraftmaschine
DE10148384B4 (de) * 2001-09-29 2016-01-07 Pierburg Gmbh Sekundärluftventil
WO2003069135A1 (fr) * 2002-02-14 2003-08-21 Robert Bosch Gmbh Procede et dispositif pour faire fonctionner un moteur a combustion interne
JP2004225539A (ja) * 2003-01-20 2004-08-12 Hitachi Ltd 排気ガス浄化装置
DE10309468A1 (de) * 2003-03-03 2004-09-23 Dr.Ing.H.C. F. Porsche Ag Abgasleitung einer Brennkraftmaschine mit steuerbaren Abgasklappen
JP4360303B2 (ja) * 2004-08-20 2009-11-11 株式会社デンソー 空気制御弁
DE102008024035B4 (de) * 2008-05-16 2012-01-12 Pierburg Gmbh Sekundärluftventil für Verbrennungskraftmaschinen
DE102010012016A1 (de) * 2010-03-12 2011-09-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sekundärluftvorrichtung
DE102010044762A1 (de) * 2010-09-08 2012-03-08 Honeywell Technologies S.A.R.L. Vorrichtung zur Kalibrierung einer Gasbrennerregelung
DE102020116957B3 (de) 2020-06-26 2021-11-11 Pierburg Gmbh Luftzufuhrregelventil für einen Verbrennungsmotor
DE102020126773B3 (de) * 2020-10-13 2022-02-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasstrang für ein Kraftfahrzeug, Kraftfahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2001105A1 (fr) * 1968-02-01 1969-09-26 Borg Warner
DE1576769A1 (de) * 1966-10-05 1970-03-19 Holley Carburetor Co Einrichtung zum Beeinflussen der Abgase von Brennkraftmaschinen
FR2109555A5 (fr) * 1970-10-14 1972-05-26 Toyota Motor Co Ltd

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1798973A (en) * 1929-03-20 1931-03-31 Sipro Ets Control device for valves
US3106820A (en) * 1959-01-19 1963-10-15 Thompson Ramo Wooldridge Inc Afterburner control method and apparatus
US3059419A (en) * 1959-08-13 1962-10-23 Thompson Ramo Wooldridge Inc Apparatus for minimizing the combustible content of exhaust gases
US3086353A (en) * 1960-03-03 1963-04-23 Thompson Ramo Wooldridge Inc Afterburner systems
US3195805A (en) * 1961-10-25 1965-07-20 Garrett Corp Turbocharger differential pressure control
US3360927A (en) * 1964-02-04 1968-01-02 Holley Carburetor Co Afterburner system for an automotive vehicle
US3470855A (en) * 1967-06-26 1969-10-07 Ernest A Von Seggern Air valve actuating means and method for supplying auxiliary air to an internal combustion engine
DE2011464C3 (de) * 1970-03-11 1976-01-08 Volkswagenwerk Ag, 3180 Wolfsburg Brennkraftmaschine mit Abgasrückführung
FR2102452A5 (fr) * 1970-08-04 1972-04-07 Peugeot & Renault
US3751916A (en) * 1970-12-29 1973-08-14 Toyo Kogyo Co Exhaust gas purifying system for use in internal combustion engine
US3805522A (en) * 1971-03-19 1974-04-23 Avm Corp Valve system
US3696618A (en) * 1971-04-19 1972-10-10 Universal Oil Prod Co Control system for an engine system
US3768259A (en) * 1971-07-06 1973-10-30 Universal Oil Prod Co Control for an engine system
US3802402A (en) * 1972-03-30 1974-04-09 P Swatman Internal combustion engines
US3791144A (en) * 1972-03-31 1974-02-12 Exxon Research Engineering Co Reactor assembly to reduce automotive emissions from an internal combustion engine
DE2216705C3 (de) * 1972-04-07 1978-06-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine
US3748855A (en) * 1972-04-20 1973-07-31 Gen Motors Corp Reactor air flow control valve
US3788070A (en) * 1972-06-12 1974-01-29 Exxon Research Engineering Co Purification of internal combustion engine exhaust gas
US3799301A (en) * 1972-10-04 1974-03-26 Quester Corp Method and apparatus for engine operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1576769A1 (de) * 1966-10-05 1970-03-19 Holley Carburetor Co Einrichtung zum Beeinflussen der Abgase von Brennkraftmaschinen
FR2001105A1 (fr) * 1968-02-01 1969-09-26 Borg Warner
FR2109555A5 (fr) * 1970-10-14 1972-05-26 Toyota Motor Co Ltd

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235280A1 (fr) * 1973-06-29 1975-01-24 Bosch Gmbh Robert
FR2328114A1 (fr) * 1975-10-16 1977-05-13 Bosch Gmbh Robert Procede et installation pour regler la composition du melange de carburant et d'air envoye a un moteur a combustion interne
FR2340455A2 (fr) * 1976-02-04 1977-09-02 Bosch Gmbh Robert Procede et installation pour regler, par apport d'air additionnel, le melange de carburant et d'air amene a un moteur a combustion interne

Also Published As

Publication number Publication date
JPS5726004Y2 (fr) 1982-06-07
GB1421821A (en) 1976-01-21
US3931710A (en) 1976-01-13
JPS4978018A (fr) 1974-07-27
FR2206446B1 (fr) 1977-08-05
DE2254961C2 (de) 1975-04-10
JPS541717U (fr) 1979-01-08
US4037406A (en) 1977-07-26
DE2254961B1 (de) 1973-10-18

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