CN119213205A - 三元催化剂的氧气储藏量控制方法及装置 - Google Patents

三元催化剂的氧气储藏量控制方法及装置 Download PDF

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Publication number
CN119213205A
CN119213205A CN202280096106.9A CN202280096106A CN119213205A CN 119213205 A CN119213205 A CN 119213205A CN 202280096106 A CN202280096106 A CN 202280096106A CN 119213205 A CN119213205 A CN 119213205A
Authority
CN
China
Prior art keywords
oxygen storage
storage amount
fuel ratio
air
way catalyst
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.)
Pending
Application number
CN202280096106.9A
Other languages
English (en)
Chinese (zh)
Inventor
西大纪
柳琳
渡边桂
露木毅
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
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of CN119213205A publication Critical patent/CN119213205A/zh
Pending legal-status Critical Current

Links

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
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
CN202280096106.9A 2022-05-19 2022-05-19 三元催化剂的氧气储藏量控制方法及装置 Pending CN119213205A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/020843 WO2023223504A1 (ja) 2022-05-19 2022-05-19 三元触媒の酸素ストレージ量制御方法および装置

Publications (1)

Publication Number Publication Date
CN119213205A true CN119213205A (zh) 2024-12-27

Family

ID=88834931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280096106.9A Pending CN119213205A (zh) 2022-05-19 2022-05-19 三元催化剂的氧气储藏量控制方法及装置

Country Status (4)

Country Link
EP (1) EP4528086A1 (https=)
JP (1) JP7718589B2 (https=)
CN (1) CN119213205A (https=)
WO (1) WO2023223504A1 (https=)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2843879B2 (ja) * 1993-01-22 1999-01-06 本田技研工業株式会社 内燃エンジンの触媒劣化検出装置
JP3939026B2 (ja) 1998-06-17 2007-06-27 株式会社日立製作所 三元触媒の酸素ストレージ量制御装置
JP4264760B2 (ja) * 2007-04-09 2009-05-20 三菱自動車工業株式会社 内燃機関の排気浄化装置
JP2010169020A (ja) * 2009-01-23 2010-08-05 Nissan Motor Co Ltd 排気ガス浄化装置
CN103249927B (zh) * 2010-12-24 2015-07-22 丰田自动车株式会社 内燃机的控制装置
JP6094438B2 (ja) * 2013-09-27 2017-03-15 トヨタ自動車株式会社 内燃機関の制御装置
JP7740546B2 (ja) * 2022-06-10 2025-09-17 日産自動車株式会社 内燃機関の制御方法および制御装置

Also Published As

Publication number Publication date
JP7718589B2 (ja) 2025-08-05
WO2023223504A1 (ja) 2023-11-23
EP4528086A1 (en) 2025-03-26
JPWO2023223504A1 (https=) 2023-11-23

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