BR102014028613B1 - Sistema de detecção de deterioração de catalisador e meio de armazenamento legível por computador - Google Patents

Sistema de detecção de deterioração de catalisador e meio de armazenamento legível por computador Download PDF

Info

Publication number
BR102014028613B1
BR102014028613B1 BR102014028613-6A BR102014028613A BR102014028613B1 BR 102014028613 B1 BR102014028613 B1 BR 102014028613B1 BR 102014028613 A BR102014028613 A BR 102014028613A BR 102014028613 B1 BR102014028613 B1 BR 102014028613B1
Authority
BR
Brazil
Prior art keywords
catalyst
level
catalytic converter
gas
post
Prior art date
Application number
BR102014028613-6A
Other languages
English (en)
Portuguese (pt)
Other versions
BR102014028613A2 (pt
Inventor
Maruthi Narasinga Rao Devarakonda
Original Assignee
Ai Alpine Us Bidco Inc
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 Ai Alpine Us Bidco Inc filed Critical Ai Alpine Us Bidco Inc
Publication of BR102014028613A2 publication Critical patent/BR102014028613A2/pt
Publication of BR102014028613B1 publication Critical patent/BR102014028613B1/pt

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101—Three-way catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/022—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting CO or CO2
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1614—NOx amount trapped in catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1624—Catalyst oxygen storage capacity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
BR102014028613-6A 2013-11-19 2014-11-17 Sistema de detecção de deterioração de catalisador e meio de armazenamento legível por computador BR102014028613B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/083,823 2013-11-19
US14/083,823 US9435246B2 (en) 2013-11-19 2013-11-19 On-board catalyst health monitoring and control system adaptation in internal combustion engines

Publications (2)

Publication Number Publication Date
BR102014028613A2 BR102014028613A2 (pt) 2016-05-24
BR102014028613B1 true BR102014028613B1 (pt) 2022-08-30

Family

ID=51982398

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102014028613-6A BR102014028613B1 (pt) 2013-11-19 2014-11-17 Sistema de detecção de deterioração de catalisador e meio de armazenamento legível por computador

Country Status (7)

Country Link
US (1) US9435246B2 (https=)
EP (1) EP2873822B1 (https=)
JP (1) JP6795283B2 (https=)
KR (1) KR102315795B1 (https=)
CN (1) CN104653262B (https=)
BR (1) BR102014028613B1 (https=)
CA (1) CA2870781C (https=)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10094261B2 (en) * 2015-06-02 2018-10-09 Ngk Spark Plug Co., Ltd. Ammonia occlusion amount estimation device and method, and purification control apparatus and method
CN104989503A (zh) * 2015-06-09 2015-10-21 上海海事大学 一种柴油机SCR系统NOx输出浓度的观测方法及观测系统
DE102016122315A1 (de) * 2015-12-10 2017-06-14 General Electric Company System und Verfahren zur Fehlerdiagnose in einem Emissionssteuerungssystem
JP6638549B2 (ja) 2016-05-02 2020-01-29 いすゞ自動車株式会社 内燃機関の排気ガス浄化システム及び内燃機関の排気ガス浄化方法
WO2018139992A1 (en) * 2017-01-24 2018-08-02 Volvo Truck Corporation Method for monitoring components in an exhaust aftertreatment system and engine arrangement including exhaust aftertreatment system monitoring arrangement
US10329986B2 (en) * 2017-07-18 2019-06-25 Gm Global Technology Operations Llc. Model-based monitoring for selective catalytic reduction device in aftertreatment assembly
CN109425683B (zh) * 2017-08-22 2021-02-09 神华集团有限责任公司 确定催化剂置换时间和比例的方法及置换催化剂的方法
US10436762B2 (en) 2017-11-07 2019-10-08 Chevron Phillips Chemical Company Lp System and method for monitoring a reforming catalyst
US10634032B2 (en) * 2017-12-15 2020-04-28 GM Global Technology Operations LLC Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine
US11851204B2 (en) 2018-11-02 2023-12-26 General Electric Company Fuel oxygen conversion unit with a dual separator pump
US11577852B2 (en) 2018-11-02 2023-02-14 General Electric Company Fuel oxygen conversion unit
US11193671B2 (en) 2018-11-02 2021-12-07 General Electric Company Fuel oxygen conversion unit with a fuel gas separator
US11131256B2 (en) 2018-11-02 2021-09-28 General Electric Company Fuel oxygen conversion unit with a fuel/gas separator
US11085636B2 (en) 2018-11-02 2021-08-10 General Electric Company Fuel oxygen conversion unit
US11186382B2 (en) 2018-11-02 2021-11-30 General Electric Company Fuel oxygen conversion unit
US11420763B2 (en) 2018-11-02 2022-08-23 General Electric Company Fuel delivery system having a fuel oxygen reduction unit
US11319085B2 (en) 2018-11-02 2022-05-03 General Electric Company Fuel oxygen conversion unit with valve control
US11148824B2 (en) 2018-11-02 2021-10-19 General Electric Company Fuel delivery system having a fuel oxygen reduction unit
US11161622B2 (en) 2018-11-02 2021-11-02 General Electric Company Fuel oxygen reduction unit
US11447263B2 (en) 2018-11-02 2022-09-20 General Electric Company Fuel oxygen reduction unit control system
DE102018128749B4 (de) * 2018-11-15 2021-05-20 Dürr Systems Ag Verfahren und datenverarbeitungssystem zur überwachung einer abgasreinigungsanlage hinsichtlich der schadstoffbeladung ihr zugeführter und von ihr abgeführter abgasströme
US11015534B2 (en) 2018-11-28 2021-05-25 General Electric Company Thermal management system
US11391211B2 (en) 2018-11-28 2022-07-19 General Electric Company Waste heat recovery system
CN110284947A (zh) * 2019-06-28 2019-09-27 潍柴动力股份有限公司 一种三元催化器老化检测方法及装置
US11085848B2 (en) * 2019-09-04 2021-08-10 GM Global Technology Operations LLC Method of estimating oxygen storage capacity of catalyst
US10914274B1 (en) 2019-09-11 2021-02-09 General Electric Company Fuel oxygen reduction unit with plasma reactor
US11774427B2 (en) * 2019-11-27 2023-10-03 General Electric Company Methods and apparatus for monitoring health of fuel oxygen conversion unit
US11906163B2 (en) 2020-05-01 2024-02-20 General Electric Company Fuel oxygen conversion unit with integrated water removal
US11866182B2 (en) 2020-05-01 2024-01-09 General Electric Company Fuel delivery system having a fuel oxygen reduction unit
US11773776B2 (en) 2020-05-01 2023-10-03 General Electric Company Fuel oxygen reduction unit for prescribed operating conditions
US11092096B1 (en) * 2020-09-02 2021-08-17 GM Global Technology Operations LLC Method of estimating oxygen storage capacity of catalyst
CN112649320A (zh) * 2020-12-25 2021-04-13 潍柴动力股份有限公司 确定氧化催化剂doc老化程度的方法及相关设备
US11434824B2 (en) 2021-02-03 2022-09-06 General Electric Company Fuel heater and energy conversion system
US11591965B2 (en) 2021-03-29 2023-02-28 General Electric Company Thermal management system for transferring heat between fluids
US12139270B2 (en) 2021-04-19 2024-11-12 General Electric Company Aircraft thermal transport system and method
CN115232636B (zh) * 2021-04-22 2023-11-03 国家能源投资集团有限责任公司 用于确定运行时反应器内费托催化剂置换策略的方法和装置
US12115470B2 (en) 2021-04-27 2024-10-15 General Electric Company Fuel oxygen reduction unit
US12005377B2 (en) 2021-06-15 2024-06-11 General Electric Company Fuel oxygen reduction unit with level control device
US11542870B1 (en) 2021-11-24 2023-01-03 General Electric Company Gas supply system

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444334A1 (de) 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
JPH02125941A (ja) * 1988-11-05 1990-05-14 Nippon Denso Co Ltd エンジンの空燃比制御装置
JP2600987B2 (ja) 1990-07-09 1997-04-16 日産自動車株式会社 空燃比制御装置の診断装置
JP2943433B2 (ja) 1990-08-24 1999-08-30 株式会社デンソー 触媒の浄化率検出装置
JP2796413B2 (ja) 1990-08-29 1998-09-10 株式会社日立製作所 内燃機関の空燃比制御方法及び装置
JPH0650194A (ja) 1992-07-31 1994-02-22 Honda Motor Co Ltd 内燃エンジンの酸素センサ劣化検出装置
JP3010921B2 (ja) 1992-08-27 2000-02-21 日産自動車株式会社 内燃機関の触媒劣化診断装置
DE19963924A1 (de) 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Speicherkatalysators einer Brennkraftmaschine
US6810659B1 (en) * 2000-03-17 2004-11-02 Ford Global Technologies, Llc Method for determining emission control system operability
US6860100B1 (en) * 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6736120B2 (en) * 2002-06-04 2004-05-18 Ford Global Technologies, Llc Method and system of adaptive learning for engine exhaust gas sensors
US6804951B2 (en) 2002-11-06 2004-10-19 Ford Global Technologies, Llc On-board diagnostic catalyst monitoring system
GB0303477D0 (en) 2003-02-14 2003-03-19 Ricardo Consulting Eng On board diagnostics (OBD)
JP4092485B2 (ja) * 2003-04-01 2008-05-28 日産自動車株式会社 排気ガス浄化触媒の劣化診断装置
JP4424495B2 (ja) * 2005-02-03 2010-03-03 三菱自動車工業株式会社 内燃機関の排気浄化装置
US7536851B2 (en) * 2005-03-10 2009-05-26 Gm Global Technology Operations, Inc. Catalyst condition monitor based on differential area under the oxygen sensors curve algorithm
JP2007009889A (ja) * 2005-07-04 2007-01-18 Nissan Motor Co Ltd 内燃機関用排気浄化システムの触媒劣化判定装置及び触媒劣化判定方法
JP2007032357A (ja) 2005-07-25 2007-02-08 Hitachi Ltd 内燃機関の触媒診断装置およびその触媒診断装置を有する内燃機関を具備する自動車
JP4497132B2 (ja) 2006-06-16 2010-07-07 トヨタ自動車株式会社 触媒劣化検出装置
JP4664882B2 (ja) * 2006-09-11 2011-04-06 トヨタ自動車株式会社 触媒劣化診断装置
JP2008175181A (ja) 2007-01-22 2008-07-31 Toyota Motor Corp 内燃機関の触媒劣化検出装置
JP4687681B2 (ja) 2007-03-30 2011-05-25 トヨタ自動車株式会社 内燃機関の触媒劣化判定装置
JP4726926B2 (ja) * 2008-05-22 2011-07-20 株式会社デンソー 内燃機関の排気浄化装置
JP2010007561A (ja) * 2008-06-26 2010-01-14 Toyota Motor Corp 空燃比制御装置及び空燃比制御方法
WO2010096793A2 (en) 2009-02-23 2010-08-26 Cummins Emission Solutions Detection of aftertreatment catalyst degradation
JP4875744B2 (ja) * 2009-12-09 2012-02-15 本田技研工業株式会社 排気浄化システムの触媒劣化判定装置
SE534479C2 (sv) 2010-01-27 2011-09-06 Scania Cv Ab Skattning av en avvikelse för åtminstone en modellvariabel hos en katalysatormodell
US8726723B2 (en) * 2010-02-23 2014-05-20 Cummins Emission Solutions Detection of aftertreatment catalyst degradation
JP2011220142A (ja) * 2010-04-06 2011-11-04 Toyota Motor Corp 内燃機関の触媒劣化判定装置
CN102859160B (zh) * 2010-04-23 2015-09-09 丰田自动车株式会社 催化剂异常诊断装置
US20130245919A1 (en) 2012-03-19 2013-09-19 Ford Global Technologies, Llc Low dimensional three way catalyst model for control and diagnostics

Also Published As

Publication number Publication date
US20150139860A1 (en) 2015-05-21
BR102014028613A2 (pt) 2016-05-24
CN104653262B (zh) 2020-07-28
EP2873822A1 (en) 2015-05-20
KR102315795B1 (ko) 2021-10-21
JP6795283B2 (ja) 2020-12-02
US9435246B2 (en) 2016-09-06
CN104653262A (zh) 2015-05-27
KR20150058056A (ko) 2015-05-28
CA2870781A1 (en) 2015-05-19
JP2015098869A (ja) 2015-05-28
EP2873822B1 (en) 2019-01-09
CA2870781C (en) 2022-10-11

Similar Documents

Publication Publication Date Title
BR102014028613B1 (pt) Sistema de detecção de deterioração de catalisador e meio de armazenamento legível por computador
CN102667090B (zh) 评估nox传感器响应速率劣化的设备、系统和方法
CN102817685B (zh) 用于排气系统的NOx传感器的过滤方法和过滤器
JP6105403B2 (ja) 尿素水供給系の診断装置
JP2015098869A5 (https=)
KR101637758B1 (ko) Scr 시스템의 고장진단방법 및 고장진단장치
BR102014014263A2 (pt) método e dispositivo para determinar o grau de eficiência de um dispositivo de purificação de gás e veículo motorizado, especialmente veículo comercial
KR102159842B1 (ko) 촉매 비활성화를 모니터링하고 공연비를 제어하기 위한 시스템 및 방법
KR20160115799A (ko) 선택적 촉매 환원 촉매의 건전성을 모니터링하기 위한 시스템 및 방법
JP6815366B2 (ja) 触媒状態推定装置、触媒の状態を推定する方法及びコンピュータプログラム
US20160041137A1 (en) NOx SENSOR DIAGNOSIS SYSTEM AND METHOD
CN102817684B (zh) 用于排气系统NOx传感器的过滤器的诊断方法和诊断模块
KR102271461B1 (ko) 배기가스 후처리 장치 및 그 제어 방법
EP3467277B1 (en) Internal-combustion-engine filter regeneration system and internal-combustion-engine filter regeneration method
KR102467132B1 (ko) 배기가스 후처리 시스템의 이상 진단 방법
Pérez Control-oriented modelling and diagnostics of diesel after-treatment catalysts
Kumar et al. Machine Learning Approach to Control Thermal Strategies and Mitigate Sensor Failure Penalty on Emissions
Milpied et al. Sensitivity of SCR Control Strategies to Diesel Exhaust Fluid Quality: A Simulation Study
CN119124401A (zh) 故障诊断方法、装置、设备、介质和产品
BR112025000830B1 (pt) Servidores e rede
JP2014177875A (ja) 排気温度推定装置

Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25A Requested transfer of rights approved

Owner name: AI ALPINE US BIDCO INC. (US)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/11/2014, OBSERVADAS AS CONDICOES LEGAIS