DE2422938C2 - Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine - Google Patents

Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine

Info

Publication number
DE2422938C2
DE2422938C2 DE2422938A DE2422938A DE2422938C2 DE 2422938 C2 DE2422938 C2 DE 2422938C2 DE 2422938 A DE2422938 A DE 2422938A DE 2422938 A DE2422938 A DE 2422938A DE 2422938 C2 DE2422938 C2 DE 2422938C2
Authority
DE
Germany
Prior art keywords
switching
exhaust gas
transistor
internal combustion
combustion engine
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
DE2422938A
Other languages
German (de)
English (en)
Other versions
DE2422938A1 (de
Inventor
Harald Ing.(Grad.) 7000 Stuttgart Kizler
Peter Jürgen Dipl.-Ing. 7141 Schwiederdingen Schmidt
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE2422938A priority Critical patent/DE2422938C2/de
Priority to GB19546/75A priority patent/GB1513924A/en
Priority to US05/575,995 priority patent/US4024707A/en
Priority to JP50055918A priority patent/JPS5831444B2/ja
Priority to FR7514723A priority patent/FR2279938A1/fr
Publication of DE2422938A1 publication Critical patent/DE2422938A1/de
Application granted granted Critical
Publication of DE2422938C2 publication Critical patent/DE2422938C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves 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
    • 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
    • F01N3/18—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
    • F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • 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
    • F02D41/1454—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 an oxygen content or concentration or the air-fuel ratio

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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE2422938A 1974-05-11 1974-05-11 Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine Expired DE2422938C2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2422938A DE2422938C2 (de) 1974-05-11 1974-05-11 Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine
GB19546/75A GB1513924A (en) 1974-05-11 1975-05-09 Apparatus for controlling the addition of supplementary air to the exhaust gas of internal combustion engines
US05/575,995 US4024707A (en) 1974-05-11 1975-05-09 Apparatus for the control of air admission to the exhaust system of an internal combustion engine including a safety circuit means
JP50055918A JPS5831444B2 (ja) 1974-05-11 1975-05-12 ナイネンキカンノハイガスニフカテキニクウキオ チヨウセイキヨウキユウスルタメノキリカエソウチ
FR7514723A FR2279938A1 (fr) 1974-05-11 1975-05-12 Appareil de commande pour regler l'introduction d'air d'addition dans les gaz d'echappement d'un moteur a combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422938A DE2422938C2 (de) 1974-05-11 1974-05-11 Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
DE2422938A1 DE2422938A1 (de) 1975-11-20
DE2422938C2 true DE2422938C2 (de) 1982-07-08

Family

ID=5915306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2422938A Expired DE2422938C2 (de) 1974-05-11 1974-05-11 Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine

Country Status (5)

Country Link
US (1) US4024707A (enExample)
JP (1) JPS5831444B2 (enExample)
DE (1) DE2422938C2 (enExample)
FR (1) FR2279938A1 (enExample)
GB (1) GB1513924A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834660B2 (ja) * 1975-12-25 1983-07-28 日産自動車株式会社 クウネンピセイギヨソウチ
DE2604160C2 (de) * 1976-02-04 1985-08-08 Robert Bosch Gmbh, 7000 Stuttgart Regeleinrichtung zur Beeinflussung des einer Brennkraftmaschine zugeführten Betriebsgemisches
DE2608245C2 (de) * 1976-02-28 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Einrichtung zur Überwachung der Betriebsbereitschaft einer Sauerstoffmeßsonde
DE2649271C2 (de) * 1976-06-11 1985-08-08 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Verhinderung von Regelschwingungen bei einer eine Brennkraftmaschine mit Betriebsgemisch versorgenden Gemischaufbereitungsanlage
JPS5316116A (en) * 1976-07-28 1978-02-14 Toyota Motor Corp Injection volume control ler for secondary air
DE2657608C2 (de) * 1976-12-18 1985-11-07 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Beeinflussung der Zusammensetzung der Abgase einer Brennkraftmaschine
JPS5735136A (en) * 1980-08-12 1982-02-25 Honda Motor Co Ltd Secondary-air supply instrument of air/fuel ratio control equipment for an internal combustion engine
JPH05141231A (ja) * 1991-11-20 1993-06-08 Mitsubishi Electric Corp 内燃機関の排気管内空気導入装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2116097B2 (de) * 1971-04-02 1981-01-29 Bosch Gmbh Robert Vorrichtung zur Regelung der Luftzahl λ des einer Brennkraftmaschine zugeführten Kraftstoff-Luft-Gemisches
NL156787B (nl) * 1969-03-22 1978-05-16 Philips Nv Inrichting voor de automatische regeling van de lucht-brandstofverhouding van het aan een verbrandingsmotor toegevoerde mengsel.
FR2052115A5 (enExample) * 1969-07-17 1971-04-09 Panhard & Levassor
US3768259A (en) * 1971-07-06 1973-10-30 Universal Oil Prod Co Control for an engine system
DE2206276C3 (de) * 1972-02-10 1981-01-15 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen
DE2215533C3 (de) * 1972-03-30 1979-11-22 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Verminderung der schädlichen Anteile in den Abgasen einer Brennkraftmaschine
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
DE2301354C3 (de) * 1973-01-12 1981-03-12 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln des Kraftstoff-Luftverhältnisses bei Brennkraftmaschinen
DE2301353A1 (de) * 1973-01-12 1974-07-25 Bosch Gmbh Robert Regeleinrichtung zur abgasentgiftung von brennkraftmaschinen

Also Published As

Publication number Publication date
JPS5831444B2 (ja) 1983-07-06
JPS50154613A (enExample) 1975-12-12
DE2422938A1 (de) 1975-11-20
FR2279938A1 (fr) 1976-02-20
US4024707A (en) 1977-05-24
FR2279938B1 (enExample) 1979-01-19
GB1513924A (en) 1978-06-14

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee