IT1187855B - Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli - Google Patents

Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli

Info

Publication number
IT1187855B
IT1187855B IT67029/86A IT6702986A IT1187855B IT 1187855 B IT1187855 B IT 1187855B IT 67029/86 A IT67029/86 A IT 67029/86A IT 6702986 A IT6702986 A IT 6702986A IT 1187855 B IT1187855 B IT 1187855B
Authority
IT
Italy
Prior art keywords
vehicles
catalyst
protective device
catalytic exhaust
catalytic
Prior art date
Application number
IT67029/86A
Other languages
English (en)
Other versions
IT8667029A0 (it
Inventor
Nunzio Vittorio Di
Rinaldo Bonardo
Original Assignee
Fiat Auto Spa
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 Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT67029/86A priority Critical patent/IT1187855B/it
Publication of IT8667029A0 publication Critical patent/IT8667029A0/it
Priority to EP86830388A priority patent/EP0236659B1/en
Priority to ES86830388T priority patent/ES2012359B3/es
Priority to DE8686830388T priority patent/DE3667700D1/de
Priority to BR8700227A priority patent/BR8700227A/pt
Priority to JP62007407A priority patent/JPH0786323B2/ja
Application granted granted Critical
Publication of IT1187855B publication Critical patent/IT1187855B/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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • 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
    • 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
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • 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
    • 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
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using 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
    • Y02T10/40—Engine management systems
IT67029/86A 1986-01-14 1986-01-14 Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli IT1187855B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT67029/86A IT1187855B (it) 1986-01-14 1986-01-14 Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli
EP86830388A EP0236659B1 (en) 1986-01-14 1986-12-29 Device for protecting the catalyst in a catalytic silencer for motor vehicles
ES86830388T ES2012359B3 (es) 1986-01-14 1986-12-29 Dispositivo para proteger el catalizador en un silenciador catalitico para vehiculos a motor.
DE8686830388T DE3667700D1 (de) 1986-01-14 1986-12-29 Vorrichtung zum schuetzen des katalysators eines katalytischen schalldaempftopfes eines motorkraftfahrzeuges.
BR8700227A BR8700227A (pt) 1986-01-14 1987-01-12 Dispositivo de protecao para o elemento interno de um catalisador para veiculos automotores
JP62007407A JPH0786323B2 (ja) 1986-01-14 1987-01-13 自動車の触媒消音装置における触媒を保護する装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67029/86A IT1187855B (it) 1986-01-14 1986-01-14 Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli

Publications (2)

Publication Number Publication Date
IT8667029A0 IT8667029A0 (it) 1986-01-14
IT1187855B true IT1187855B (it) 1987-12-23

Family

ID=11299015

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67029/86A IT1187855B (it) 1986-01-14 1986-01-14 Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli

Country Status (6)

Country Link
EP (1) EP0236659B1 (it)
JP (1) JPH0786323B2 (it)
BR (1) BR8700227A (it)
DE (1) DE3667700D1 (it)
ES (1) ES2012359B3 (it)
IT (1) IT1187855B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060473A (en) * 1988-07-13 1991-10-29 Nissan Motor Company, Limited System for detecting deterioration of catalyst in catalytic converter
DE8811670U1 (it) * 1988-09-15 1988-12-22 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
DE3922523A1 (de) * 1989-07-08 1991-01-17 Bosch Gmbh Robert Vorrichtung zur regelung, steuerung und/oder ueberwachung der verbrennung in brennkraftmaschinen
JP2518696B2 (ja) * 1989-07-26 1996-07-24 日産自動車株式会社 内燃機関の排気浄化システムの診断装置
JPH03182670A (ja) * 1989-12-11 1991-08-08 Mitsubishi Electric Corp 内燃機関の電子制御装置
IT1237742B (it) * 1989-12-22 1993-06-15 Fiat Auto Spa Dispositivo di allarme per la protezione di convertitori catalitici per i gas di scarico di motori endotermici e veicolo munito di tale dispositivo
GB9003316D0 (en) * 1990-02-14 1990-04-11 Lucas Ind Plc Monitoring of operation of catalytic converter
KR100196616B1 (ko) * 1990-08-28 1999-06-15 베. 마우스; 베. 디트리히 촉매화할 수 있는 유체가 흐르는 촉매 변환기의 촉매활성도를 모니터링 하는 방법
DE4032721A1 (de) * 1990-10-15 1992-04-16 Emitec Emissionstechnologie Ueberwachung der funktion eines von einem katalysierbaren fluid durchstroembaren katalysators
DE4027207A1 (de) * 1990-08-28 1992-03-05 Emitec Emissionstechnologie Ueberwachung der katalytischen aktivitaet eines katalysators im abgassystem einer brennkraftmaschine
DE4033026C2 (de) * 1990-10-18 1997-09-04 Bayerische Motoren Werke Ag Verfahren zur Vermeidung thermisch kritischer Zustände einer Abgasnachbehandlungsvorrichtung für eine Brennkraftmaschine
DE4038829A1 (de) * 1990-12-05 1992-06-11 Emitec Emissionstechnologie Ermittlung einer reaktionszone in einem katalysator
IT1247965B (it) * 1991-06-03 1995-01-05 Testel Spa Dispositivo di controllo della temperatura dei gas di scarico di autoveicoli.
DE4211092A1 (de) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen der Funktionsfähigkeit eines Katalysators
US5431012A (en) * 1994-07-05 1995-07-11 Ford Motor Company System for monitoring the performance of automotive catalysts
DE19744410C2 (de) * 1997-10-08 2001-06-21 Ford Global Tech Inc Verfahren zur Überwachung der Laufruheregelung eines Verbrennungsmotors
DE19924029C2 (de) 1999-05-26 2001-05-23 Porsche Ag Verfahren zur Überwachung der Funktion eines Systems zur Abgasnachbehandlung
FR2862100B1 (fr) * 2003-11-07 2008-04-04 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution integres dans une ligne d'echappement d'un vehicule
FR2886347B1 (fr) * 2005-05-31 2007-07-13 Renault Sas Procede et dispositif de detection de presence d'un systeme de traitement d'effluents gazeux dans une ligne d'echappement d'un moteur a combustion interne.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696618A (en) * 1971-04-19 1972-10-10 Universal Oil Prod Co Control system for an engine system
JPS5134529B2 (it) * 1972-02-03 1976-09-27
GB1372160A (en) * 1972-03-22 1974-10-30 Nissan Motor Exhaust cleaning apparatus for internal combustion engines
JPS5129260B2 (it) * 1972-09-14 1976-08-24
GB1444362A (en) * 1972-11-28 1976-07-28 Lucas Electrical Ltd Internal combustion engine exhaust emission control
DE2328459A1 (de) * 1973-01-31 1975-01-02 Bosch Gmbh Robert Einrichtung zur ueberwachung von katalytischen reaktoren in abgasentgiftungsanlagen von brennkraftmaschinen
JPS5121013U (it) * 1974-08-04 1976-02-16
JPS5996423A (ja) * 1982-11-24 1984-06-02 Honda Motor Co Ltd 触媒の過熱防止装置
JPS6241815U (it) * 1985-08-30 1987-03-13

Also Published As

Publication number Publication date
JPH0786323B2 (ja) 1995-09-20
BR8700227A (pt) 1987-12-01
JPS62178710A (ja) 1987-08-05
IT8667029A0 (it) 1986-01-14
EP0236659B1 (en) 1989-12-20
DE3667700D1 (de) 1990-01-25
ES2012359B3 (es) 1990-03-16
EP0236659A1 (en) 1987-09-16

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