GB1446059A - Methods of and devices for controlling exhaust gas composition - Google Patents

Methods of and devices for controlling exhaust gas composition

Info

Publication number
GB1446059A
GB1446059A GB4520473A GB4520473A GB1446059A GB 1446059 A GB1446059 A GB 1446059A GB 4520473 A GB4520473 A GB 4520473A GB 4520473 A GB4520473 A GB 4520473A GB 1446059 A GB1446059 A GB 1446059A
Authority
GB
United Kingdom
Prior art keywords
engine
regulator
range
exhaust
fuel
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
GB4520473A
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 GB1446059A publication Critical patent/GB1446059A/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
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/148—Using a plurality of comparators
    • 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
    • F02D41/1456—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 with sensor output signal being linear or quasi-linear with the concentration of oxygen

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)
GB4520473A 1972-09-28 1973-09-27 Methods of and devices for controlling exhaust gas composition Expired GB1446059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2247656A DE2247656C3 (de) 1972-09-28 1972-09-28 Einrichtung zum Regeln des Verhältnisses der Kraftstoff- und Luftanteile des Betriebsgemisches einer Brennkraftmaschine

Publications (1)

Publication Number Publication Date
GB1446059A true GB1446059A (en) 1976-08-11

Family

ID=5857658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4520473A Expired GB1446059A (en) 1972-09-28 1973-09-27 Methods of and devices for controlling exhaust gas composition

Country Status (8)

Country Link
US (1) US3871338A (sv)
JP (1) JPS5834654B2 (sv)
DE (1) DE2247656C3 (sv)
FR (1) FR2201404B1 (sv)
GB (1) GB1446059A (sv)
IT (1) IT1012082B (sv)
NL (1) NL7313336A (sv)
SE (1) SE384903B (sv)

Families Citing this family (18)

* 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
JPS5155824A (en) * 1974-11-12 1976-05-17 Nissan Motor Nainenkikanno nenryoseigyosochi
JPS5834657B2 (ja) * 1975-05-12 1983-07-28 日産自動車株式会社 空燃比制御装置
JPS5222615A (en) * 1975-08-15 1977-02-21 Toyota Motor Corp Fuel supply process and supply device of rotary piston engine
GB1568960A (en) * 1975-10-22 1980-06-11 Lucas Industries Ltd Fuel control system for an internal combustion engine
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
JPS5289521U (sv) * 1975-12-27 1977-07-04
JPS5819318Y2 (ja) * 1976-03-08 1983-04-20 日産自動車株式会社 空燃比制御装置
US4192268A (en) * 1976-05-28 1980-03-11 Nippon Soken, Inc. Air flow amount adjusting system for an internal combustion engine
GB1571255A (en) * 1976-05-28 1980-07-09 Nippon Soken Internal combustion engines
US4279231A (en) * 1977-02-11 1981-07-21 Acf Industries, Incorporated Apparatus for controlling the air-fuel ratio in an internal combustion engine
JPS5833385B2 (ja) * 1977-09-12 1983-07-19 トヨタ自動車株式会社 燃料噴射制御装置
US4265208A (en) * 1979-05-16 1981-05-05 General Motors Corporation Closed loop air-fuel ratio controller with air bleed control
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
SG138496A1 (en) * 2006-06-28 2008-01-28 Yao San Lin Petrol saving structure of a motor vehicle
DE102014209587B4 (de) * 2014-05-20 2016-03-31 Continental Automotive Gmbh Charakterisierung eines Messkanals zum Vermessen eines Rückkopplungssignals, welches von einem sich in Betrieb befindenden Kraftstoff-Injektor generiert wird

Family Cites Families (5)

* 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
US3738341A (en) * 1969-03-22 1973-06-12 Philips Corp Device for controlling the air-fuel ratio {80 {11 in a combustion engine
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.
DE2204192C3 (de) * 1972-01-29 1979-03-22 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Verbesserung der Abgase einer Vergaser-Brennkraftmaschine
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

Also Published As

Publication number Publication date
JPS4993727A (sv) 1974-09-06
IT1012082B (it) 1977-03-10
JPS5834654B2 (ja) 1983-07-28
DE2247656B2 (de) 1981-04-09
US3871338A (en) 1975-03-18
DE2247656A1 (de) 1974-04-11
DE2247656C3 (de) 1981-12-17
SE384903B (sv) 1976-05-24
FR2201404B1 (sv) 1982-10-08
FR2201404A1 (sv) 1974-04-26
NL7313336A (sv) 1974-04-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee