GB1449221A - Control of the composition of exhaust gases of internal combustion engines - Google Patents

Control of the composition of exhaust gases of internal combustion engines

Info

Publication number
GB1449221A
GB1449221A GB4306373A GB4306373A GB1449221A GB 1449221 A GB1449221 A GB 1449221A GB 4306373 A GB4306373 A GB 4306373A GB 4306373 A GB4306373 A GB 4306373A GB 1449221 A GB1449221 A GB 1449221A
Authority
GB
United Kingdom
Prior art keywords
monostable
gate
stable
engine
circuit
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
GB4306373A
Other languages
English (en)
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
Publication of GB1449221A publication Critical patent/GB1449221A/en
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
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/14—Timing of measurement, e.g. synchronisation of measurements to the engine cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/09—Other ways of controlling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
GB4306373A 1972-09-14 1973-09-13 Control of the composition of exhaust gases of internal combustion engines Expired GB1449221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2245029A DE2245029C3 (de) 1972-09-14 1972-09-14 Verfahren und Vorrichtung zur Abgasentgiftung von Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
GB1449221A true GB1449221A (en) 1976-09-15

Family

ID=5856275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4306373A Expired GB1449221A (en) 1972-09-14 1973-09-13 Control of the composition of exhaust gases of internal combustion engines

Country Status (8)

Country Link
US (1) US3919983A (xx)
JP (1) JPS572899B2 (xx)
DE (1) DE2245029C3 (xx)
FR (1) FR2200441B1 (xx)
GB (1) GB1449221A (xx)
IT (1) IT1022020B (xx)
NL (1) NL7312641A (xx)
SE (1) SE388008B (xx)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313568A1 (fr) * 1974-05-24 1976-12-31 Laprade Bernard Procede et dispositif de commande d'une electrovanne de regulation du dosage du melange air-essence des moteurs a combustion interne
US4170969A (en) * 1974-06-11 1979-10-16 Nissan Motor Company, Limited Air fuel mixture control apparatus for internal combustion engines
USRE31174E (en) * 1974-09-04 1983-03-15 Robert Bosch Gmbh Fuel injection system
DE2442229C3 (de) * 1974-09-04 1980-08-21 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage für eine Brennkraftmaschine
US4109615A (en) * 1974-10-21 1978-08-29 Nissan Motor Company, Limited Apparatus for controlling the ratio of air to fuel of air-fuel mixture of internal combustion engine
JPS5228934B2 (xx) * 1974-11-01 1977-07-29
US3948228A (en) * 1974-11-06 1976-04-06 The Bendix Corporation Exhaust gas sensor operational detection system
GB1492284A (en) * 1974-11-06 1977-11-16 Nissan Motor Air fuel mixture control apparatus for internal combustion engines
GB1532959A (en) * 1975-11-06 1978-11-22 Lucas Electrical Ltd Fuel injection system for an internal combustion engine
CA1084143A (en) * 1975-02-25 1980-08-19 Junuthula N. Reddy System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
JPS5924264B2 (ja) * 1975-02-27 1984-06-08 カブシキガイシヤ ニツポンジドウシヤブヒンソウゴウケンキユウシヨ 気化器の空燃比調整装置
US4173952A (en) * 1975-04-24 1979-11-13 Nissan Motor Company, Limited Closed-loop mixture control system for an internal combustion engine with improved response characteristic to idling condition
US4104998A (en) * 1975-04-25 1978-08-08 Chrysler Corporation Engine control system
US3990411A (en) * 1975-07-14 1976-11-09 Gene Y. Wen Control system for normalizing the air/fuel ratio in a fuel injection system
US4210106A (en) * 1975-10-13 1980-07-01 Robert Bosch Gmbh Method and apparatus for regulating a combustible mixture
JPS5840009B2 (ja) * 1975-10-28 1983-09-02 日産自動車株式会社 クウネンピセイギヨソウチ
JPS5840010B2 (ja) * 1975-12-27 1983-09-02 日産自動車株式会社 クウネンピセイギヨソウチ
US4112880A (en) * 1975-12-27 1978-09-12 Nissan Motor Company, Limited Method of and mixture control system for varying the mixture control point relative to a fixed reference
JPS52114821A (en) * 1976-03-24 1977-09-27 Nissan Motor Co Ltd Air fuel ratio controller
US4158347A (en) * 1976-04-28 1979-06-19 Toyota Jidosha Kogyo Kabushiki Kaisha Fuel supply system for use in internal combustion engine
DE2649272C2 (de) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Regelverfahren und Gemischverhältnisregeleinrichtung zur Bestimmung der Verhältnisanteile eines einer Brennkraftmaschine zugeführten Kraftstoff-Luftgemisches
JPS586052B2 (ja) * 1976-09-06 1983-02-02 日産自動車株式会社 空燃比制御装置
IT1081383B (it) * 1977-04-27 1985-05-21 Magneti Marelli Spa Apparecchiatura elettronica per il controllo dell'alimentazione di una miscela aria/benzina di un motore a combustione interna
US4170201A (en) * 1977-05-31 1979-10-09 The Bendix Corporation Dual mode hybrid control for electronic fuel injection system
JPS57105530A (en) * 1980-12-23 1982-07-01 Toyota Motor Corp Air-fuel ratio controlling method for internal combustion engine
JPS60101238A (ja) * 1984-10-01 1985-06-05 Nissan Motor Co Ltd エンジンの燃料制御装置
US5539638A (en) * 1993-08-05 1996-07-23 Pavilion Technologies, Inc. Virtual emissions monitor for automobile
US5386373A (en) * 1993-08-05 1995-01-31 Pavilion Technologies, Inc. Virtual continuous emission monitoring system with sensor validation
US5970426A (en) * 1995-09-22 1999-10-19 Rosemount Analytical Inc. Emission monitoring system
US10857758B2 (en) 2015-12-25 2020-12-08 Nitto Denko Corporation Silicone foam sheet and method of producing the same
JP6666778B2 (ja) 2016-04-06 2020-03-18 日東電工株式会社 吸着仮固定材
JP6934313B2 (ja) 2017-04-05 2021-09-15 日東電工株式会社 吸着仮固定シートおよびその製造方法
JP6453967B1 (ja) 2017-09-28 2019-01-16 日東電工株式会社 仮固定シート
JP6474474B1 (ja) 2017-09-28 2019-02-27 日東電工株式会社 吸着仮固定シート

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299868A (en) * 1965-09-17 1967-01-24 Henke Lowell Dean Automatic idler
DE1526506A1 (de) * 1966-11-25 1970-03-26 Bosch Gmbh Robert Kraftstoffeinspritzanlage
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.
US3738341A (en) * 1969-03-22 1973-06-12 Philips Corp Device for controlling the air-fuel ratio {80 {11 in a combustion engine
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
DE2216705C3 (de) * 1972-04-07 1978-06-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine
DE2229928C3 (de) * 1972-06-20 1981-03-19 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen
US3835012A (en) * 1972-08-28 1974-09-10 Bendix Corp Protective shield for oxygen sensor

Also Published As

Publication number Publication date
DE2245029A1 (de) 1974-03-21
US3919983A (en) 1975-11-18
SE388008B (sv) 1976-09-20
DE2245029B2 (de) 1980-11-20
NL7312641A (xx) 1974-03-18
FR2200441A1 (xx) 1974-04-19
JPS5047036A (xx) 1975-04-26
DE2245029C3 (de) 1981-08-20
FR2200441B1 (xx) 1976-10-01
JPS572899B2 (xx) 1982-01-19
IT1022020B (it) 1978-03-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930912