GB1447124A - Exhaust gas recirculation system having means to estimate actual recirculation rate based on intake and exhaust gas temperatures - Google Patents

Exhaust gas recirculation system having means to estimate actual recirculation rate based on intake and exhaust gas temperatures

Info

Publication number
GB1447124A
GB1447124A GB4274074A GB4274074A GB1447124A GB 1447124 A GB1447124 A GB 1447124A GB 4274074 A GB4274074 A GB 4274074A GB 4274074 A GB4274074 A GB 4274074A GB 1447124 A GB1447124 A GB 1447124A
Authority
GB
United Kingdom
Prior art keywords
exhaust gas
flow
computer
intake
gas
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
GB4274074A
Other languages
English (en)
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 GB1447124A publication Critical patent/GB1447124A/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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Measuring Volume Flow (AREA)
GB4274074A 1973-10-23 1974-10-02 Exhaust gas recirculation system having means to estimate actual recirculation rate based on intake and exhaust gas temperatures Expired GB1447124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48119239A JPS5068555A (enrdf_load_stackoverflow) 1973-10-23 1973-10-23

Publications (1)

Publication Number Publication Date
GB1447124A true GB1447124A (en) 1976-08-25

Family

ID=14756396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4274074A Expired GB1447124A (en) 1973-10-23 1974-10-02 Exhaust gas recirculation system having means to estimate actual recirculation rate based on intake and exhaust gas temperatures

Country Status (3)

Country Link
JP (1) JPS5068555A (enrdf_load_stackoverflow)
DE (1) DE2449954C2 (enrdf_load_stackoverflow)
GB (1) GB1447124A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9422877B2 (en) 2013-10-11 2016-08-23 General Electric Company System and method for control of exhaust gas recirculation (EGR) utilizing process temperatures
CN116378867A (zh) * 2023-04-04 2023-07-04 奇瑞汽车股份有限公司 汽车废气再循环阀和汽车

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218531A (en) * 1975-08-05 1977-02-12 Nissan Motor Co Ltd Exhaust gas reflux control system
US4026256A (en) * 1976-05-10 1977-05-31 Chrysler Corporation Engine exhaust gas recirculation (EGR) control system
JPS58167873A (ja) * 1982-03-29 1983-10-04 Nissan Motor Co Ltd 排気還流検出装置
JPS58197461A (ja) * 1982-05-14 1983-11-17 Nissan Motor Co Ltd 排気還流装置のセンサ故障判別装置
DE3220832A1 (de) * 1982-06-03 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur bestimmung der abgasrueckfuehrrate (arf-r) bei brennkraftmaschinen
JPS62233465A (ja) * 1986-04-01 1987-10-13 Mitsubishi Motors Corp 内燃機関のｅｇｒ率制御方法
JPH07116995B2 (ja) * 1987-04-10 1995-12-18 三菱自動車工業株式会社 排気還流装置の故障検出方法
JPH0799123B2 (ja) * 1988-05-19 1995-10-25 三菱電機株式会社 Ｅｇｒシステムの異常検出装置
DE102007038727B4 (de) 2007-04-05 2015-04-09 Continental Automotive Gmbh Verfahren zur Bestimmung des Abgasanteils von einem Verbrennungsmotor zugeführten Mischgas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604263A (en) * 1968-01-31 1971-09-14 Philips Corp Device for measuring the flow intensity of circulating liquid
JPS5028563B1 (enrdf_load_stackoverflow) * 1969-12-29 1975-09-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9422877B2 (en) 2013-10-11 2016-08-23 General Electric Company System and method for control of exhaust gas recirculation (EGR) utilizing process temperatures
CN116378867A (zh) * 2023-04-04 2023-07-04 奇瑞汽车股份有限公司 汽车废气再循环阀和汽车

Also Published As

Publication number Publication date
DE2449954C2 (de) 1984-09-13
DE2449954A1 (de) 1975-04-30
JPS5068555A (enrdf_load_stackoverflow) 1975-06-07

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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