[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

IT952682B - Perfezionamento nei procedimenti e dispositivi per il controllo della emissione di motori a combustione interna - Google Patents

Perfezionamento nei procedimenti e dispositivi per il controllo della emissione di motori a combustione interna

Info

Publication number
IT952682B
IT952682B IT49670/72A IT4967072A IT952682B IT 952682 B IT952682 B IT 952682B IT 49670/72 A IT49670/72 A IT 49670/72A IT 4967072 A IT4967072 A IT 4967072A IT 952682 B IT952682 B IT 952682B
Authority
IT
Italy
Prior art keywords
procedures
emission
improvement
devices
control
Prior art date
Application number
IT49670/72A
Other languages
English (en)
Original Assignee
Universal Oil Prod Co
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 Universal Oil Prod Co filed Critical Universal Oil Prod Co
Application granted granted Critical
Publication of IT952682B publication Critical patent/IT952682B/it

Links

Classifications

    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0023—Controlling air supply
    • F02D35/0038—Controlling air supply by means of air pumps
    • 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
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/10—Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means
    • F02M7/11—Altering float-chamber pressure
    • 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
    • F01N2390/00—Arrangements for controlling or regulating exhaust apparatus
    • F01N2390/02—Arrangements for controlling or regulating exhaust apparatus using electric components 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • 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
    • Y02T10/40—Engine management systems

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)
  • Exhaust Gas After Treatment (AREA)
IT49670/72A 1971-04-19 1972-04-15 Perfezionamento nei procedimenti e dispositivi per il controllo della emissione di motori a combustione interna IT952682B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13519971A 1971-04-19 1971-04-19

Publications (1)

Publication Number Publication Date
IT952682B true IT952682B (it) 1973-07-30

Family

ID=22466981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49670/72A IT952682B (it) 1971-04-19 1972-04-15 Perfezionamento nei procedimenti e dispositivi per il controllo della emissione di motori a combustione interna

Country Status (6)

Country Link
US (1) US3696618A (it)
CA (1) CA955761A (it)
DE (1) DE2219073B2 (it)
FR (1) FR2141049A5 (it)
GB (1) GB1380157A (it)
IT (1) IT952682B (it)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955363A (en) * 1971-06-11 1976-05-11 Volkswagenwerk Aktiengesellschaft Combustion engine with at least one exhaust gas cleaning arrangement
DE2158119A1 (de) * 1971-11-24 1973-05-30 Bosch Gmbh Robert Abgasentgiftungsanlage
JPS5225884B2 (it) * 1971-12-29 1977-07-11
DE2202614A1 (de) * 1972-01-20 1973-08-02 Bosch Gmbh Robert Abgasnachverbrennungseinrichtung
DE2215533C3 (de) * 1972-03-30 1979-11-22 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Verminderung der schädlichen Anteile in den Abgasen einer Brennkraftmaschine
DE2216705C3 (de) * 1972-04-07 1978-06-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine
US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
US3867507A (en) * 1972-04-24 1975-02-18 Exxon Research Engineering Co Method for removing the oxides of nitrogen as air contaminants
US3957444A (en) * 1972-05-16 1976-05-18 Toyota Jidosha Kogyo Kabushiki Kaisha Control system for exhaust gas purifying device
US3813877A (en) * 1972-08-17 1974-06-04 Matthews D Internal combustion engine controls for reduced exhaust contaminants
US4364356A (en) * 1972-09-06 1982-12-21 Uop Inc. Exhaust emissions control system
US3815561A (en) * 1972-09-14 1974-06-11 Bendix Corp Closed loop engine control system
US3853483A (en) * 1972-10-18 1974-12-10 Air Prod & Chem Exhaust gas catalytic treatment system
JPS5536820B2 (it) * 1972-10-25 1980-09-24
DE2254961C2 (de) * 1972-11-10 1975-04-10 Deutsche Vergaser Gmbh & Co Kg, 4040 Neuss Regeleinrichtung für die Zumessung einer Zusatzluftmenge zur Verbesserung der Verbrennung in Brennkraftmaschinen oder der Nachverbrennung der Abgase von Brennkraftmaschinen
US3905773A (en) * 1972-12-26 1975-09-16 Production Operators Inc System for supplying inert gas
JPS5232020B2 (it) * 1973-01-22 1977-08-18
US4007589A (en) * 1973-01-31 1977-02-15 Robert Bosch G.M.B.H. Internal combustion exhaust catalytic reactor monitoring system
US4182120A (en) * 1973-03-20 1980-01-08 Ethyl Corporation Exhaust systems
DE2329539C3 (de) * 1973-06-09 1981-05-21 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum Entgiften der Abgase
JPS5021122A (it) * 1973-06-27 1975-03-06
JPS5219254B2 (it) * 1973-09-19 1977-05-26
JPS51114528A (en) * 1975-04-01 1976-10-08 Nissan Motor Co Ltd Fuel control device in internal combustion engines
JPS5276519A (en) * 1975-12-20 1977-06-28 Nissan Motor Co Ltd Secondary air control unit
US4146986A (en) * 1975-12-25 1979-04-03 Nippon Soken, Inc. Device for supplying secondary air for purifying exhaust gases discharged from internal combustion engine
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
JPS52139820A (en) * 1976-05-18 1977-11-22 Toyota Motor Corp Exhaust gas purifier for internal combustion engine
JPS5924247B2 (ja) * 1977-01-28 1984-06-08 株式会社日本自動車部品総合研究所 内燃機関の排気ガス浄化装置
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
JPS6027804B2 (ja) * 1977-05-13 1985-07-01 トヨタ自動車株式会社 内燃機関の２次空気供給量制御装置
JPS5431819A (en) * 1977-08-17 1979-03-08 Toyota Motor Corp Secondary air supply control equipment of internal combustion engine
EP0082141B1 (en) * 1981-06-22 1985-08-28 Caterpillar Tractor Co. Ammonia/fuel ratio control system for reducing nitrogen oxide emissions
US4403473A (en) * 1981-06-22 1983-09-13 Caterpillar Tractor Co. Ammonia/fuel ratio control system for reducing nitrogen oxide emissions
IT1187855B (it) * 1986-01-14 1987-12-23 Fiat Auto Spa Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli
DE3710268A1 (de) * 1987-03-28 1988-10-06 Phywe Systeme Gmbh Verfahren zur funktionsueberwachung von katalysatoren
DE3822415A1 (de) * 1987-11-12 1989-05-24 Man Technologie Gmbh Verfahren und vorrichtung zur regelung des verbrennungsluftverhaeltnisses bei verbrennungsmaschinen
DE4032721A1 (de) * 1990-10-15 1992-04-16 Emitec Emissionstechnologie Ueberwachung der funktion eines von einem katalysierbaren fluid durchstroembaren katalysators
GB2258168A (en) * 1991-08-01 1993-02-03 Ford Motor Co Engine exhaust system
JP3053703B2 (ja) * 1992-08-25 2000-06-19 三菱電機株式会社 ２次エア制御装置
US5522218A (en) * 1994-08-23 1996-06-04 Caterpillar Inc. Combustion exhaust purification system and method
DE4430965C2 (de) * 1994-08-31 1997-09-11 Siemens Ag Verfahren zum Steuern der Kraftstoffzufuhr für eine Brennkraftmaschine mit beheizbarem Katalysator
DE4436085A1 (de) * 1994-10-10 1996-04-11 Daimler Benz Ag Regelungsverfahren zur Optimierung der Schadstoffemission einer Verbrennungsanlage
US5758493A (en) * 1996-12-13 1998-06-02 Ford Global Technologies, Inc. Method and apparatus for desulfating a NOx trap
US5974788A (en) 1997-08-29 1999-11-02 Ford Global Technologies, Inc. Method and apparatus for desulfating a nox trap
US5983627A (en) * 1997-09-02 1999-11-16 Ford Global Technologies, Inc. Closed loop control for desulfating a NOx trap
US6477832B1 (en) 2000-03-17 2002-11-12 Ford Global Technologies, Inc. Method for improved performance of a vehicle having an internal combustion engine
US6539704B1 (en) 2000-03-17 2003-04-01 Ford Global Technologies, Inc. Method for improved vehicle performance
US6434930B1 (en) 2000-03-17 2002-08-20 Ford Global Technologies, Inc. Method and apparatus for controlling lean operation of an internal combustion engine
US6629453B1 (en) 2000-03-17 2003-10-07 Ford Global Technologies, Llc Method and apparatus for measuring the performance of an emissions control device
US6499293B1 (en) 2000-03-17 2002-12-31 Ford Global Technologies, Inc. Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine
US6308515B1 (en) 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
US6360530B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for measuring lean-burn engine emissions
US6708483B1 (en) 2000-03-17 2004-03-23 Ford Global Technologies, Llc Method and apparatus for controlling lean-burn engine based upon predicted performance impact
US6481199B1 (en) 2000-03-17 2002-11-19 Ford Global Technologies, Inc. Control for improved vehicle performance
US6438944B1 (en) 2000-03-17 2002-08-27 Ford Global Technologies, Inc. Method and apparatus for optimizing purge fuel for purging emissions control device
US6594989B1 (en) 2000-03-17 2003-07-22 Ford Global Technologies, Llc Method and apparatus for enhancing fuel economy of a lean burn internal combustion engine
US6427437B1 (en) 2000-03-17 2002-08-06 Ford Global Technologies, Inc. Method for improved performance of an engine emission control system
US6327847B1 (en) 2000-03-17 2001-12-11 Ford Global Technologies, Inc. Method for improved performance of a vehicle
US6487850B1 (en) 2000-03-17 2002-12-03 Ford Global Technologies, Inc. Method for improved engine control
US6487849B1 (en) 2000-03-17 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency
US6810659B1 (en) 2000-03-17 2004-11-02 Ford Global Technologies, Llc Method for determining emission control system operability
US6308697B1 (en) 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method for improved air-fuel ratio control in engines
US6843051B1 (en) 2000-03-17 2005-01-18 Ford Global Technologies, Llc Method and apparatus for controlling lean-burn engine to purge trap of stored NOx
US6860100B1 (en) 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6374597B1 (en) 2000-03-17 2002-04-23 Ford Global Technologies, Inc. Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
US6389803B1 (en) 2000-08-02 2002-05-21 Ford Global Technologies, Inc. Emission control for improved vehicle performance
US6691507B1 (en) 2000-10-16 2004-02-17 Ford Global Technologies, Llc Closed-loop temperature control for an emission control device
US6604504B2 (en) 2001-06-19 2003-08-12 Ford Global Technologies, Llc Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine
US6453666B1 (en) 2001-06-19 2002-09-24 Ford Global Technologies, Inc. Method and system for reducing vehicle tailpipe emissions when operating lean
US6650991B2 (en) 2001-06-19 2003-11-18 Ford Global Technologies, Llc Closed-loop method and system for purging a vehicle emission control
US6691020B2 (en) 2001-06-19 2004-02-10 Ford Global Technologies, Llc Method and system for optimizing purge of exhaust gas constituent stored in an emission control device
US6615577B2 (en) 2001-06-19 2003-09-09 Ford Global Technologies, Llc Method and system for controlling a regeneration cycle of an emission control device
US6502387B1 (en) 2001-06-19 2003-01-07 Ford Global Technologies, Inc. Method and system for controlling storage and release of exhaust gas constituents in an emission control device
US6463733B1 (en) 2001-06-19 2002-10-15 Ford Global Technologies, Inc. Method and system for optimizing open-loop fill and purge times for an emission control device
US6694244B2 (en) 2001-06-19 2004-02-17 Ford Global Technologies, Llc Method for quantifying oxygen stored in a vehicle emission control device
US6487853B1 (en) 2001-06-19 2002-12-03 Ford Global Technologies. Inc. Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor
US6467259B1 (en) 2001-06-19 2002-10-22 Ford Global Technologies, Inc. Method and system for operating dual-exhaust engine
US6546718B2 (en) 2001-06-19 2003-04-15 Ford Global Technologies, Inc. Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
US6539706B2 (en) 2001-06-19 2003-04-01 Ford Global Technologies, Inc. Method and system for preconditioning an emission control device for operation about stoichiometry
US6490860B1 (en) 2001-06-19 2002-12-10 Ford Global Technologies, Inc. Open-loop method and system for controlling the storage and release cycles of an emission control device
US6553754B2 (en) 2001-06-19 2003-04-29 Ford Global Technologies, Inc. Method and system for controlling an emission control device based on depletion of device storage capacity
US6736120B2 (en) 2002-06-04 2004-05-18 Ford Global Technologies, Llc Method and system of adaptive learning for engine exhaust gas sensors
US6735938B2 (en) 2002-06-04 2004-05-18 Ford Global Technologies, Llc Method to control transitions between modes of operation of an engine
US6745747B2 (en) 2002-06-04 2004-06-08 Ford Global Technologies, Llc Method for air-fuel ratio control of a lean burn engine
US6769398B2 (en) 2002-06-04 2004-08-03 Ford Global Technologies, Llc Idle speed control for lean burn engine with variable-displacement-like characteristic
US6925982B2 (en) 2002-06-04 2005-08-09 Ford Global Technologies, Llc Overall scheduling of a lean burn engine system
US6725830B2 (en) 2002-06-04 2004-04-27 Ford Global Technologies, Llc Method for split ignition timing for idle speed control of an engine
US6715462B2 (en) 2002-06-04 2004-04-06 Ford Global Technologies, Llc Method to control fuel vapor purging
US6736121B2 (en) 2002-06-04 2004-05-18 Ford Global Technologies, Llc Method for air-fuel ratio sensor diagnosis
US6868827B2 (en) 2002-06-04 2005-03-22 Ford Global Technologies, Llc Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device
US6568177B1 (en) * 2002-06-04 2003-05-27 Ford Global Technologies, Llc Method for rapid catalyst heating
US6758185B2 (en) 2002-06-04 2004-07-06 Ford Global Technologies, Llc Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics
US7032572B2 (en) 2002-06-04 2006-04-25 Ford Global Technologies, Llc Method for controlling an engine to obtain rapid catalyst heating
US7111450B2 (en) 2002-06-04 2006-09-26 Ford Global Technologies, Llc Method for controlling the temperature of an emission control device
US7168239B2 (en) 2002-06-04 2007-01-30 Ford Global Technologies, Llc Method and system for rapid heating of an emission control device
JP3829786B2 (ja) * 2002-10-01 2006-10-04 トヨタ自動車株式会社 二次空気供給装置
FR2986264B1 (fr) 2012-01-26 2014-01-10 Peugeot Citroen Automobiles Sa Procede de protection thermique des composants de la ligne d'echappement d'un moteur thermique
WO2019026249A1 (ja) * 2017-08-03 2019-02-07 本田技研工業株式会社 気化器
DE102019103000A1 (de) * 2019-02-07 2020-08-13 Bayerische Motoren Werke Aktiengesellschaft Partikelfilterbaugruppe für Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Regenerieren eines Partikelfilters
US11365695B1 (en) * 2021-04-16 2022-06-21 Ford Global Technologies, Llc Methods and system for operating skipped cylinders to provide secondary air
US11391227B1 (en) * 2021-04-16 2022-07-19 Ford Global Technologies, Llc Methods and system for operating skipped cylinders to provide secondary air
US11365693B1 (en) * 2021-04-16 2022-06-21 Ford Global Technologies, Llc Methods and system for operating skipped cylinders to provide secondary air

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389797A (en) * 1942-09-05 1945-11-27 Bendix Aviat Corp Mixture control system
US3031267A (en) * 1957-10-02 1962-04-24 Ici Ltd Automatic control and operation of chemical or physical processes
US3089474A (en) * 1961-01-03 1963-05-14 Exxon Research Engineering Co Peak seeking controller
US3032969A (en) * 1961-08-28 1962-05-08 Llewellyn T Barnes Venturi degassing attachment
US3168806A (en) * 1962-05-03 1965-02-09 Oxy Catalyst Inc Apparatus for improving the purification of exhaust gases from an internal combustion engine

Also Published As

Publication number Publication date
DE2219073A1 (de) 1972-11-02
CA955761A (en) 1974-10-08
US3696618A (en) 1972-10-10
DE2219073B2 (de) 1977-07-21
GB1380157A (en) 1975-01-08
FR2141049A5 (it) 1973-01-19

Similar Documents

Publication Publication Date Title
IT952682B (it) Perfezionamento nei procedimenti e dispositivi per il controllo della emissione di motori a combustione interna
IT974132B (it) Procedimento e dispositivo per controllare le condizioni operative di motori a combustione interna
IT965886B (it) Perfezionamento nei motori a combu stione interna
IT946702B (it) Sistema e dispositivo per l eserci zio di motori a combustione interna
IT957579B (it) Silenziatore arrestante le scintille per l impiego con picco li motori a combustione interna
IT957829B (it) Perfezionamento nei silenziatori per motori a combustione interna
IT997636B (it) Perfezionamento nei motori a a combustione interna
IT976790B (it) Perfezionamento nei motori a combustione interna
IT940087B (it) Punteria per il comando delle valvole di motori a combustione interna e procedimento per la sua fabbricazione
IT998170B (it) Motore a combustione interna e procedimento per il funzionamento dello stesso
IT957895B (it) Dispositivo e procedimento per facilitare l avviamento di motori a combustione interna
IT957461B (it) Metodo per raffreddare e rendere silenziosi con della schiuma i motori a combustione interna
IT974272B (it) Dispositivo di alimentazione per motori a combustione interna
IT946370B (it) Valvola di ammissione a deflettore per motori a combustione interna
IT968476B (it) Motori a combustione interna
IT972538B (it) Dsipositivo per la misurazione della coppia di motori a combu stione interna
IT974216B (it) Perfezionamento nei dispositivi di alimentazione dei motori a combustione interna funzionanti a gas
IT994269B (it) Perfezionamento nei dispositivi silenziatori per motori a combu stione interna
IT969453B (it) Perfezionamento nei motori a combustione interna a statuffo rotante
IT976814B (it) Perfezionamento nei motori a combustione interna
IT1045054B (it) Dispositivo di alimentazione di combustibile per motori o combustione interna
IT1040876B (it) Perfezionamento nei dispositivi di controllo della aspirazione di aria per motori a combustione interna
IT962140B (it) Dispositivo per la lubrificazione di valvole di motori a combustione interna
IT964207B (it) Candela a fiamma per motori diesel e motori policarburant
IT942737B (it) Stantuffo per motori a combustio ne interna particolarmente per grandi motori diesel