BR112012015676A2 - método e dispositivo de controle aperfeiçoados para células de bomba de oxigênio de sensores de motores de combustão interna ou sistemas de pós-tratamento de gás de exaustão desses motores - Google Patents

método e dispositivo de controle aperfeiçoados para células de bomba de oxigênio de sensores de motores de combustão interna ou sistemas de pós-tratamento de gás de exaustão desses motores

Info

Publication number
BR112012015676A2
BR112012015676A2 BR112012015676A BR112012015676A BR112012015676A2 BR 112012015676 A2 BR112012015676 A2 BR 112012015676A2 BR 112012015676 A BR112012015676 A BR 112012015676A BR 112012015676 A BR112012015676 A BR 112012015676A BR 112012015676 A2 BR112012015676 A2 BR 112012015676A2
Authority
BR
Brazil
Prior art keywords
exhaust gas
internal combustion
gas aftertreatment
aftertreatment systems
control device
Prior art date
Application number
BR112012015676A
Other languages
English (en)
Other versions
BR112012015676B1 (pt
Inventor
Theophil Auckenthaler
Original Assignee
Iveco Motorenforschung Ag
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 Iveco Motorenforschung Ag filed Critical Iveco Motorenforschung Ag
Publication of BR112012015676A2 publication Critical patent/BR112012015676A2/pt
Publication of BR112012015676B1 publication Critical patent/BR112012015676B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/419—Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4065—Circuit arrangements specially adapted therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

método e dispositivo de controle aperfeiçoados para células de bomba de oxigênio de sensores em motores de combustão interna ou sistemas de pós-tratamento de gás de exaustão desses motores. é descrito um método para controlar uma célula de bomba de oxigênio de um sensor em um motor de combustão interna ou nos sistemas de pós-tratamento de gás de exaustão desse motor, compreendendo a etapa de adição, a um controle de realimentação da corrente na célula de bomba, de um outro caminho de controle feed-forward estimado uma corrente esperada de bomba de oxigênio com base nas características da composição do gás de exaustão calculada a partir dos dados de operação do motor.
BR112012015676-4A 2009-12-23 2010-12-22 Método e dispositivo de controle aperfeiçoados para células de bomba de oxigênio de sensores de motores de combustão interna ou sistemas de pós-tratamento de gás de exaustão desses motores BR112012015676B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09180650.5 2009-12-23
EP09180650A EP2339338B1 (en) 2009-12-23 2009-12-23 Improved control method and device for oxygen pump cells of sensors in internal combustion engines or exhaust gas after treatment systems of such engines
PCT/EP2010/070464 WO2011076832A1 (en) 2009-12-23 2010-12-22 Improved control method and device for oxygen pump cells of sensors in internal combustion engines or exhaust gas after treatment systems of such engines

Publications (2)

Publication Number Publication Date
BR112012015676A2 true BR112012015676A2 (pt) 2016-05-24
BR112012015676B1 BR112012015676B1 (pt) 2020-03-10

Family

ID=42167456

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012015676-4A BR112012015676B1 (pt) 2009-12-23 2010-12-22 Método e dispositivo de controle aperfeiçoados para células de bomba de oxigênio de sensores de motores de combustão interna ou sistemas de pós-tratamento de gás de exaustão desses motores

Country Status (9)

Country Link
US (1) US9341593B2 (pt)
EP (1) EP2339338B1 (pt)
JP (1) JP5805657B2 (pt)
CN (1) CN102667462B (pt)
AU (1) AU2010334848B2 (pt)
BR (1) BR112012015676B1 (pt)
ES (1) ES2394057T3 (pt)
RU (1) RU2547347C2 (pt)
WO (1) WO2011076832A1 (pt)

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JP3350187B2 (ja) * 1993-12-17 2002-11-25 富士重工業株式会社 希薄燃焼エンジンの空燃比制御装置
JPH07180585A (ja) * 1993-12-24 1995-07-18 Toyota Motor Corp 空燃比制御装置
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JP3458475B2 (ja) * 1994-09-06 2003-10-20 マツダ株式会社 エンジンの空燃比制御装置
JPH09113481A (ja) * 1995-10-18 1997-05-02 Unisia Jecs Corp 酸素センサの活性判定装置
JP3365930B2 (ja) * 1997-06-26 2003-01-14 本田技研工業株式会社 ガス成分濃度検出装置
JP3501956B2 (ja) * 1997-08-06 2004-03-02 日本特殊陶業株式会社 窒素酸化物濃度測定装置及び窒素酸化物濃度測定器の制御方法
JP3431518B2 (ja) * 1997-11-26 2003-07-28 日本特殊陶業株式会社 窒素酸化物吸蔵触媒の機能状態検出方法及び装置
JPH11211693A (ja) * 1998-01-30 1999-08-06 Ngk Insulators Ltd 空燃比測定方法及び空燃比測定装置
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JP4563601B2 (ja) * 2000-03-31 2010-10-13 株式会社デンソー 複合積層型センサ素子
JP3843881B2 (ja) * 2001-05-31 2006-11-08 株式会社デンソー ガス濃度センサのヒータ制御装置
JP2004069547A (ja) * 2002-08-07 2004-03-04 Toyota Motor Corp 空燃比センサの制御装置
JP4089537B2 (ja) 2003-07-10 2008-05-28 トヨタ自動車株式会社 空燃比センサの異常検出装置
DE102004022593B4 (de) * 2004-05-07 2007-12-27 Siemens Ag Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
JP4556504B2 (ja) * 2004-06-11 2010-10-06 トヨタ自動車株式会社 濃度検出装置
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JP4510781B2 (ja) * 2005-05-24 2010-07-28 日本特殊陶業株式会社 ガスセンサのインターフェース装置、ガスセンサシステム
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Also Published As

Publication number Publication date
RU2012131308A (ru) 2014-01-27
ES2394057T3 (es) 2013-01-16
US9341593B2 (en) 2016-05-17
JP5805657B2 (ja) 2015-11-04
EP2339338A1 (en) 2011-06-29
WO2011076832A1 (en) 2011-06-30
CN102667462A (zh) 2012-09-12
BR112012015676B1 (pt) 2020-03-10
EP2339338B1 (en) 2012-08-29
AU2010334848A1 (en) 2012-08-09
US20120288376A1 (en) 2012-11-15
RU2547347C2 (ru) 2015-04-10
AU2010334848B2 (en) 2013-08-01
JP2013515894A (ja) 2013-05-09
CN102667462B (zh) 2015-11-25

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: FPT MOTORENFORSCHUNG AG (CH)

B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/12/2010, OBSERVADAS AS CONDICOES LEGAIS.