DE2244227C3 - Elektrische Steuervorrichtung für ein BypaßventiJ eines Katalysator-Auspufftopfs für die Brennkraftmaschine eines Kraftfahrzeugs - Google Patents

Elektrische Steuervorrichtung für ein BypaßventiJ eines Katalysator-Auspufftopfs für die Brennkraftmaschine eines Kraftfahrzeugs

Info

Publication number
DE2244227C3
DE2244227C3 DE2244227A DE2244227A DE2244227C3 DE 2244227 C3 DE2244227 C3 DE 2244227C3 DE 2244227 A DE2244227 A DE 2244227A DE 2244227 A DE2244227 A DE 2244227A DE 2244227 C3 DE2244227 C3 DE 2244227C3
Authority
DE
Germany
Prior art keywords
output
signal
discriminator
catalyst
input
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.)
Expired
Application number
DE2244227A
Other languages
German (de)
English (en)
Other versions
DE2244227B2 (de
DE2244227A1 (de
Inventor
Virgilio Dr. San Donato Milanese Arrigoni
Bruno Dipl.Ing. Mailand Gaetani
Gianfranco Marchesi
Gianfranco Dr. Zanoni
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti 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 SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of DE2244227A1 publication Critical patent/DE2244227A1/de
Publication of DE2244227B2 publication Critical patent/DE2244227B2/de
Application granted granted Critical
Publication of DE2244227C3 publication Critical patent/DE2244227C3/de
Expired legal-status Critical Current

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
    • 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
    • F01N3/20—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 specially adapted for catalytic conversion
    • F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/02—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of high temperature, e.g. overheating of catalytic reactor
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/10—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device for reducing flow resistance, e.g. to obtain more engine power

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)
  • Magnetically Actuated Valves (AREA)
DE2244227A 1971-09-10 1972-09-08 Elektrische Steuervorrichtung für ein BypaßventiJ eines Katalysator-Auspufftopfs für die Brennkraftmaschine eines Kraftfahrzeugs Expired DE2244227C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2844671 1971-09-10

Publications (3)

Publication Number Publication Date
DE2244227A1 DE2244227A1 (de) 1973-03-15
DE2244227B2 DE2244227B2 (de) 1974-04-04
DE2244227C3 true DE2244227C3 (de) 1974-10-31

Family

ID=11223620

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2244227A Expired DE2244227C3 (de) 1971-09-10 1972-09-08 Elektrische Steuervorrichtung für ein BypaßventiJ eines Katalysator-Auspufftopfs für die Brennkraftmaschine eines Kraftfahrzeugs

Country Status (18)

Country Link
US (1) US3837165A (OSRAM)
JP (1) JPS5230652B2 (OSRAM)
AT (1) AT326957B (OSRAM)
BE (1) BE788422A (OSRAM)
CA (1) CA957750A (OSRAM)
CH (1) CH569187A5 (OSRAM)
CS (1) CS159712B2 (OSRAM)
DD (1) DD101454A5 (OSRAM)
DE (1) DE2244227C3 (OSRAM)
ES (1) ES406794A1 (OSRAM)
FR (1) FR2152099A5 (OSRAM)
GB (1) GB1406876A (OSRAM)
LU (1) LU66027A1 (OSRAM)
NL (1) NL162455C (OSRAM)
PL (1) PL78367B1 (OSRAM)
SE (1) SE396443B (OSRAM)
SU (1) SU578017A3 (OSRAM)
YU (1) YU36063B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360581A1 (de) * 1973-12-05 1975-06-19 Porsche Ag Vorrichtung zum katalytischen nachverbrennen von abgasen im abgassystem einer brennkraftmaschine
DE2406073C3 (de) * 1974-02-08 1982-02-25 Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg Schaltungsanordnung zur Temperaturüberwachung an Katalysatoren für die Abgase von Kraftfahrzeug-Brennkraftmaschinen
US3948228A (en) * 1974-11-06 1976-04-06 The Bendix Corporation Exhaust gas sensor operational detection system
DE3619897C2 (de) * 1986-06-13 1993-10-07 Bayerische Motoren Werke Ag Schutz-Schaltung für katalytische Abgasnachbehandlungsvorrichtungen
DE4308661A1 (de) * 1993-03-18 1994-09-22 Emitec Emissionstechnologie Verfahren und Vorrichtung zur Funktionsüberwachung eines katalytischen Konverters
JPH07225203A (ja) * 1994-02-15 1995-08-22 Mitsubishi Electric Corp 触媒コンバータの劣化検出装置
US6712888B2 (en) 2002-06-24 2004-03-30 Albert F. Siska Engine emission control system and method
JP2004138013A (ja) * 2002-10-21 2004-05-13 Suzuki Motor Corp 排ガス浄化構造

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1451881A1 (de) * 1963-09-07 1969-01-23 Daimler Benz Ag Vorrichtung zum katalytischen Nachverbrennen von Abgasen einer Brennkraftmaschine,insbesondere in Kraftfahrzeugen
US3548792A (en) * 1969-02-11 1970-12-22 Judson G Palmer Control apparatus for internal-combustion engines
GB1292914A (en) * 1969-07-28 1972-10-18 Nissan Motor Exhaust gas after-burning system
JPS5028563B1 (OSRAM) * 1969-12-29 1975-09-17
US3705497A (en) * 1971-05-10 1972-12-12 Hollins J R Vehicle engine emissions control system

Also Published As

Publication number Publication date
DE2244227B2 (de) 1974-04-04
PL78367B1 (OSRAM) 1975-06-30
ES406794A1 (es) 1975-11-01
US3837165A (en) 1974-09-24
NL162455C (nl) 1980-05-16
YU217472A (en) 1981-02-28
CA957750A (en) 1974-11-12
BE788422A (fr) 1973-01-02
NL162455B (nl) 1979-12-17
ATA774072A (de) 1975-03-15
JPS4857012A (OSRAM) 1973-08-10
DD101454A5 (OSRAM) 1973-11-05
SE396443B (sv) 1977-09-19
FR2152099A5 (OSRAM) 1973-04-20
JPS5230652B2 (OSRAM) 1977-08-09
CH569187A5 (OSRAM) 1975-11-14
YU36063B (en) 1981-11-13
LU66027A1 (OSRAM) 1973-01-17
NL7212216A (OSRAM) 1973-03-13
SU578017A3 (ru) 1977-10-25
GB1406876A (en) 1975-09-17
DE2244227A1 (de) 1973-03-15
AT326957B (de) 1976-01-12
CS159712B2 (OSRAM) 1975-01-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee