AT326957B - Automatisches steuersystem zur steuerung eines elektrisch betatigbaren umgehungsventils fur den katalytischen entgifter eines fahrzeugauspuffes - Google Patents

Automatisches steuersystem zur steuerung eines elektrisch betatigbaren umgehungsventils fur den katalytischen entgifter eines fahrzeugauspuffes

Info

Publication number
AT326957B
AT326957B AT774072A AT774072A AT326957B AT 326957 B AT326957 B AT 326957B AT 774072 A AT774072 A AT 774072A AT 774072 A AT774072 A AT 774072A AT 326957 B AT326957 B AT 326957B
Authority
AT
Austria
Prior art keywords
detoxifier
catalytic
bypass valve
vehicle exhaust
electrically actuated
Prior art date
Application number
AT774072A
Other languages
German (de)
English (en)
Other versions
ATA774072A (de
Inventor
Virgilio Arrigoni
Bruno Gaetani
Gianfranco Marchesi
Gianfranco Zanoni
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of ATA774072A publication Critical patent/ATA774072A/de
Application granted granted Critical
Publication of AT326957B publication Critical patent/AT326957B/de

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)
AT774072A 1971-09-10 1972-09-08 Automatisches steuersystem zur steuerung eines elektrisch betatigbaren umgehungsventils fur den katalytischen entgifter eines fahrzeugauspuffes AT326957B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA774072A ATA774072A (de) 1975-03-15
AT326957B true AT326957B (de) 1976-01-12

Family

ID=11223620

Family Applications (1)

Application Number Title Priority Date Filing Date
AT774072A AT326957B (de) 1971-09-10 1972-09-08 Automatisches steuersystem zur steuerung eines elektrisch betatigbaren umgehungsventils fur den katalytischen entgifter eines fahrzeugauspuffes

Country Status (18)

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

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 (en:Method) * 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
NL162455C (nl) 1980-05-16
YU217472A (en) 1981-02-28
SU578017A3 (ru) 1977-10-25
SE396443B (sv) 1977-09-19
PL78367B1 (en:Method) 1975-06-30
DE2244227B2 (de) 1974-04-04
YU36063B (en) 1981-11-13
NL162455B (nl) 1979-12-17
JPS5230652B2 (en:Method) 1977-08-09
LU66027A1 (en:Method) 1973-01-17
BE788422A (fr) 1973-01-02
ATA774072A (de) 1975-03-15
JPS4857012A (en:Method) 1973-08-10
DE2244227A1 (de) 1973-03-15
GB1406876A (en) 1975-09-17
CS159712B2 (en:Method) 1975-01-31
ES406794A1 (es) 1975-11-01
FR2152099A5 (en:Method) 1973-04-20
US3837165A (en) 1974-09-24
DD101454A5 (en:Method) 1973-11-05
NL7212216A (en:Method) 1973-03-13
CA957750A (en) 1974-11-12
CH569187A5 (en:Method) 1975-11-14
DE2244227C3 (de) 1974-10-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee