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SE9500189L - Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle - Google Patents

Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle

Info

Publication number
SE9500189L
SE9500189L SE9500189A SE9500189A SE9500189L SE 9500189 L SE9500189 L SE 9500189L SE 9500189 A SE9500189 A SE 9500189A SE 9500189 A SE9500189 A SE 9500189A SE 9500189 L SE9500189 L SE 9500189L
Authority
SE
Sweden
Prior art keywords
pct
during
fundamental frequency
detected
fuel ratio
Prior art date
Application number
SE9500189A
Other languages
English (en)
Other versions
SE503900C2 (sv
SE9500189D0 (sv
Inventor
Jan Nytomt
Thomas Johansson
Original Assignee
Mecel Ab
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 Mecel Ab filed Critical Mecel Ab
Priority to SE9500189A priority Critical patent/SE503900C2/sv
Publication of SE9500189D0 publication Critical patent/SE9500189D0/sv
Priority to PCT/SE1996/000048 priority patent/WO1996022458A1/en
Priority to US08/704,720 priority patent/US5769049A/en
Priority to DE19680104T priority patent/DE19680104C2/de
Publication of SE9500189L publication Critical patent/SE9500189L/sv
Publication of SE503900C2 publication Critical patent/SE503900C2/sv

Links

Classifications

    • 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
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current 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
    • F02D41/008—Controlling each cylinder individually
    • F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
    • 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
    • F02D41/1458—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 determination means using an estimation
    • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
SE9500189A 1995-01-18 1995-01-18 Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle SE503900C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9500189A SE503900C2 (sv) 1995-01-18 1995-01-18 Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle
PCT/SE1996/000048 WO1996022458A1 (en) 1995-01-18 1996-01-18 Method and system for controlling combustion engines
US08/704,720 US5769049A (en) 1995-01-18 1996-01-18 Method and system for controlling combustion engines
DE19680104T DE19680104C2 (de) 1995-01-18 1996-01-18 Verfahren und System zum Steuern von Verbrennungsmotoren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9500189A SE503900C2 (sv) 1995-01-18 1995-01-18 Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle

Publications (3)

Publication Number Publication Date
SE9500189D0 SE9500189D0 (sv) 1995-01-18
SE9500189L true SE9500189L (sv) 1996-07-19
SE503900C2 SE503900C2 (sv) 1996-09-30

Family

ID=20396893

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9500189A SE503900C2 (sv) 1995-01-18 1995-01-18 Metod och system för övervakning av förbränningsmotorer genom detektering av aktuellt blandningsförhållande luft-bränsle

Country Status (4)

Country Link
US (1) US5769049A (sv)
DE (1) DE19680104C2 (sv)
SE (1) SE503900C2 (sv)
WO (1) WO1996022458A1 (sv)

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DE19916204C1 (de) * 1999-04-10 2000-11-16 Daimler Chrysler Ag Verfahren zur Verbrennungskenngrößenbestimmung einer Brennkraftmaschine
DE19917708C1 (de) * 1999-04-20 2001-01-11 Daimler Chrysler Ag Verfahren zur Bestimmung der Zusammensetzung eines Luft-Kraftstoff-Gemisches im Brennraum einer Brennkraftmaschine
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US8919377B2 (en) 2011-08-12 2014-12-30 Mcalister Technologies, Llc Acoustically actuated flow valve assembly including a plurality of reed valves
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Also Published As

Publication number Publication date
DE19680104C2 (de) 2001-04-05
WO1996022458A1 (en) 1996-07-25
SE503900C2 (sv) 1996-09-30
US5769049A (en) 1998-06-23
SE9500189D0 (sv) 1995-01-18
DE19680104T1 (de) 1997-05-22

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