GB1503269A - Closed-loop mixture control system for an internal combustion engine using sample-and-hold circuits - Google Patents

Closed-loop mixture control system for an internal combustion engine using sample-and-hold circuits

Info

Publication number
GB1503269A
GB1503269A GB1953676A GB1953676A GB1503269A GB 1503269 A GB1503269 A GB 1503269A GB 1953676 A GB1953676 A GB 1953676A GB 1953676 A GB1953676 A GB 1953676A GB 1503269 A GB1503269 A GB 1503269A
Authority
GB
United Kingdom
Prior art keywords
sample
closed
control system
combustion engine
internal combustion
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
GB1953676A
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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
Priority claimed from JP50054613A external-priority patent/JPS5854253B2/en
Priority claimed from JP15409675A external-priority patent/JPS5854254B2/en
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB1503269A publication Critical patent/GB1503269A/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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/1491—Replacing of the control value by a mean value
    • 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)
    • F02D41/1481—Using a delaying circuit
    • 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)
    • F02D41/1482—Integrator, i.e. variable slope

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feedback Control In General (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB1953676A 1975-05-12 1976-05-12 Closed-loop mixture control system for an internal combustion engine using sample-and-hold circuits Expired GB1503269A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50054613A JPS5854253B2 (en) 1975-05-12 1975-05-12 Kuunenpiseigiyosouchi
JP15409675A JPS5854254B2 (en) 1975-12-25 1975-12-25 Kuunenpiseigiyosouchi

Publications (1)

Publication Number Publication Date
GB1503269A true GB1503269A (en) 1978-03-08

Family

ID=26395392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1953676A Expired GB1503269A (en) 1975-05-12 1976-05-12 Closed-loop mixture control system for an internal combustion engine using sample-and-hold circuits

Country Status (2)

Country Link
DE (1) DE2621013C2 (en)
GB (1) GB1503269A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120406A (en) * 1982-04-02 1983-11-30 Honda Motor Co Ltd Apparatus for controlling an internal combustion engine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045297B2 (en) * 1977-07-22 1985-10-08 株式会社日立製作所 Internal combustion engine fuel control device
BE873331A (en) * 1978-01-16 1979-07-05 Engelhard Min & Chem COMBUSTION CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE USING FUELS WITH A VARIABLE PROPORTION OF PARTLY OXIDIZED HYDROCARBONS
US4305364A (en) * 1979-10-29 1981-12-15 Teledyne Industries, Inc. Fuel control system
US4307694A (en) * 1980-06-02 1981-12-29 Ford Motor Company Digital feedback system
JPS57122144A (en) * 1981-01-20 1982-07-29 Nissan Motor Co Ltd Air fuel ratio feedback control unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321721C2 (en) * 1973-04-28 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart Device for reducing harmful components of exhaust gas emissions from internal combustion engines
DE2337513A1 (en) * 1973-07-24 1975-02-13 Bosch Gmbh Robert Amplitude level detector - using operational amplifier with reference signal input compares signal with reference

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120406A (en) * 1982-04-02 1983-11-30 Honda Motor Co Ltd Apparatus for controlling an internal combustion engine

Also Published As

Publication number Publication date
DE2621013C2 (en) 1985-06-13
DE2621013A1 (en) 1976-11-25

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee