DE102004029454A1 - Abnormality diagnostic unit of fuel supply system - Google Patents

Abnormality diagnostic unit of fuel supply system Download PDF

Info

Publication number
DE102004029454A1
DE102004029454A1 DE200410029454 DE102004029454A DE102004029454A1 DE 102004029454 A1 DE102004029454 A1 DE 102004029454A1 DE 200410029454 DE200410029454 DE 200410029454 DE 102004029454 A DE102004029454 A DE 102004029454A DE 102004029454 A1 DE102004029454 A1 DE 102004029454A1
Authority
DE
Germany
Prior art keywords
pressure
fuel
low
abnormality
abnormal operation
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.)
Withdrawn
Application number
DE200410029454
Other languages
German (de)
English (en)
Inventor
Daiji Kariya Isobe
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of DE102004029454A1 publication Critical patent/DE102004029454A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • F02M63/022—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by acting on fuel control mechanism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
DE200410029454 2003-06-19 2004-06-18 Abnormality diagnostic unit of fuel supply system Withdrawn DE102004029454A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003/174193 2003-06-19
JP2003174193A JP4372466B2 (ja) 2003-06-19 2003-06-19 内燃機関の高圧燃料供給システムの異常診断装置

Publications (1)

Publication Number Publication Date
DE102004029454A1 true DE102004029454A1 (de) 2005-03-03

Family

ID=34097744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200410029454 Withdrawn DE102004029454A1 (de) 2003-06-19 2004-06-18 Abnormality diagnostic unit of fuel supply system

Country Status (2)

Country Link
JP (1) JP4372466B2 (ja)
DE (1) DE102004029454A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486417A (en) * 2010-12-13 2012-06-20 Gm Global Tech Operations Inc Method for diagnosing a clogging of an injector in an internal combustion engine
DE102010027677B4 (de) * 2010-07-20 2013-07-11 Continental Automotive Gmbh Verfahren zur Erkennung eines Fehlverhaltens im Niederdrucksystem eines elektronisch geregelten Kraftstoffeinspritzsystems eines Verbrennungsmotors durch Evaluierung eines stimulierten Druckverhaltens
DE102013106374B4 (de) 2012-06-19 2019-03-21 Denso Corporation Kraftstoffinjektionssteuergerät

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4635938B2 (ja) * 2006-03-30 2011-02-23 株式会社デンソー 内燃機関の燃料噴射量制御装置
FR2903774B1 (fr) * 2006-07-17 2008-09-05 Renault Sas Procede de validation d'un diagnostic de fontionnement d'un dispositif.
JP4861971B2 (ja) * 2007-12-07 2012-01-25 ボッシュ株式会社 内燃機関の燃料供給装置及び燃料供給装置の異常判定装置
JP2009243286A (ja) * 2008-03-28 2009-10-22 Fuji Heavy Ind Ltd エンジンの燃料供給システム
JP2011058448A (ja) * 2009-09-11 2011-03-24 Bosch Corp 蓄圧式燃料噴射装置の異常診断装置
JP5059894B2 (ja) * 2010-03-19 2012-10-31 日立オートモティブシステムズ株式会社 燃料ポンプ制御装置
JP5786880B2 (ja) * 2013-03-14 2015-09-30 トヨタ自動車株式会社 内燃機関の制御装置
DE102013220697B4 (de) * 2013-10-14 2018-05-30 Continental Automotive Gmbh Kraftstoffpumpe eines Kraftfahrzeuges und Verfahren zum Betrieb einer Kraftstoffpumpe
JP6504041B2 (ja) * 2015-12-11 2019-04-24 株式会社デンソー ポンプ制御装置
JP7119473B2 (ja) * 2018-03-22 2022-08-17 いすゞ自動車株式会社 異常診断装置および異常診断方法
JP7387556B2 (ja) 2020-08-19 2023-11-28 ボッシュ株式会社 燃料噴射制御装置及び燃料噴射制御装置の制御方法
CN113357032B (zh) * 2021-06-29 2022-06-03 东风汽车集团股份有限公司 高压油泵故障检测后处理方法及电子设备

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027677B4 (de) * 2010-07-20 2013-07-11 Continental Automotive Gmbh Verfahren zur Erkennung eines Fehlverhaltens im Niederdrucksystem eines elektronisch geregelten Kraftstoffeinspritzsystems eines Verbrennungsmotors durch Evaluierung eines stimulierten Druckverhaltens
GB2486417A (en) * 2010-12-13 2012-06-20 Gm Global Tech Operations Inc Method for diagnosing a clogging of an injector in an internal combustion engine
US8897996B2 (en) 2010-12-13 2014-11-25 GM Global Technology Operations LLC Method for diagnosing a clogging of an injector in an internal combustion engine
DE102013106374B4 (de) 2012-06-19 2019-03-21 Denso Corporation Kraftstoffinjektionssteuergerät

Also Published As

Publication number Publication date
JP2005009398A (ja) 2005-01-13
JP4372466B2 (ja) 2009-11-25

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8110 Request for examination paragraph 44
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee