JP4026348B2 - エバポガスパージシステムのリーク診断装置 - Google Patents

エバポガスパージシステムのリーク診断装置 Download PDF

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Publication number
JP4026348B2
JP4026348B2 JP2001320468A JP2001320468A JP4026348B2 JP 4026348 B2 JP4026348 B2 JP 4026348B2 JP 2001320468 A JP2001320468 A JP 2001320468A JP 2001320468 A JP2001320468 A JP 2001320468A JP 4026348 B2 JP4026348 B2 JP 4026348B2
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Japan
Prior art keywords
fuel
leak
leak diagnosis
stopped
combustion engine
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 - Fee Related
Application number
JP2001320468A
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English (en)
Japanese (ja)
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JP2003120437A (ja
Inventor
森永　　修二郎
佳範 前川
啓二 若原
真 三輪
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
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Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2001320468A priority Critical patent/JP4026348B2/ja
Priority to DE10248470A priority patent/DE10248470A1/de
Priority to US10/273,186 priority patent/US6854452B2/en
Publication of JP2003120437A publication Critical patent/JP2003120437A/ja
Priority to JP2007139175A priority patent/JP2007211789A/ja
Application granted granted Critical
Publication of JP4026348B2 publication Critical patent/JP4026348B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0809—Judging failure of purge control system
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Testing Of Engines (AREA)
JP2001320468A 2001-10-18 2001-10-18 エバポガスパージシステムのリーク診断装置 Expired - Fee Related JP4026348B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001320468A JP4026348B2 (ja) 2001-10-18 2001-10-18 エバポガスパージシステムのリーク診断装置
DE10248470A DE10248470A1 (de) 2001-10-18 2002-10-17 Kraftstoffdampfbehandlungssystem
US10/273,186 US6854452B2 (en) 2001-10-18 2002-10-18 Fuel vapor handling system
JP2007139175A JP2007211789A (ja) 2001-10-18 2007-05-25 エバポガスパージシステムのリーク診断装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001320468A JP4026348B2 (ja) 2001-10-18 2001-10-18 エバポガスパージシステムのリーク診断装置
JP2007139175A JP2007211789A (ja) 2001-10-18 2007-05-25 エバポガスパージシステムのリーク診断装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007139175A Division JP2007211789A (ja) 2001-10-18 2007-05-25 エバポガスパージシステムのリーク診断装置

Publications (2)

Publication Number Publication Date
JP2003120437A JP2003120437A (ja) 2003-04-23
JP4026348B2 true JP4026348B2 (ja) 2007-12-26

Family

ID=47108311

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2001320468A Expired - Fee Related JP4026348B2 (ja) 2001-10-18 2001-10-18 エバポガスパージシステムのリーク診断装置
JP2007139175A Pending JP2007211789A (ja) 2001-10-18 2007-05-25 エバポガスパージシステムのリーク診断装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2007139175A Pending JP2007211789A (ja) 2001-10-18 2007-05-25 エバポガスパージシステムのリーク診断装置

Country Status (3)

Country Link
US (1) US6854452B2 (enExample)
JP (2) JP4026348B2 (enExample)
DE (1) DE10248470A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100579233B1 (ko) * 2003-05-27 2006-05-11 현대자동차주식회사 차량용 엔진의 리크 모니터링 장치 및 방법
JP4433174B2 (ja) 2004-05-21 2010-03-17 スズキ株式会社 内燃機関の蒸発燃料制御装置
US7251997B1 (en) 2004-07-28 2007-08-07 Kavlico Corporation Fuel tank module control system
JP2007085230A (ja) * 2005-09-21 2007-04-05 Nissan Motor Co Ltd 蒸発燃料処理システムの給油口開放検出装置
DE102005048348A1 (de) * 2005-10-10 2007-04-12 Robert Bosch Gmbh Verfahren und Vorrichtung zur Dichtheitsprüfung einer Tankanlage insbesondere eines Kraftfahrzeugs
US8140280B2 (en) 2005-11-09 2012-03-20 Toyota Jidosha Kabushiki Kaisha Battery condition diagnosis apparatus
DE102005058298A1 (de) 2005-12-07 2007-06-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur Erkennung von Tanklecks
JP2009118697A (ja) * 2007-11-09 2009-05-28 Panasonic Corp 電池の充放電制御方法
US8096438B2 (en) 2008-06-03 2012-01-17 Briggs & Stratton Corporation Fuel tank cap for a fuel tank
JP2013537959A (ja) * 2010-09-24 2013-10-07 フィスカー オートモーティブ インコーポレイテッド 車両用の蒸発及び燃料補給における排出物質制御のためのシステム
US8915234B2 (en) 2010-10-25 2014-12-23 Briggs & Stratton Corporation Fuel cap
US8935081B2 (en) * 2012-01-13 2015-01-13 GM Global Technology Operations LLC Fuel system blockage detection and blockage location identification systems and methods
US9243591B2 (en) * 2012-09-11 2016-01-26 Ford Global Technologies, Llc Fuel system diagnostics
US9038489B2 (en) 2012-10-15 2015-05-26 GM Global Technology Operations LLC System and method for controlling a vacuum pump that is used to check for leaks in an evaporative emissions system
US9341147B2 (en) * 2013-03-07 2016-05-17 Ford Global Technologies, Llc Engine-off refueling detection method
US9176022B2 (en) 2013-03-15 2015-11-03 GM Global Technology Operations LLC System and method for diagnosing flow through a purge valve based on a fuel system pressure sensor
US9316558B2 (en) 2013-06-04 2016-04-19 GM Global Technology Operations LLC System and method to diagnose fuel system pressure sensor
JP2015075031A (ja) * 2013-10-09 2015-04-20 愛三工業株式会社 蒸発燃料処理装置の故障検出装置
DE102015217613A1 (de) * 2015-09-15 2017-03-16 Kautex Textron Gmbh & Co. Kg Betriebsflüssigkeitsbehältersystem für Kraftfahrzeuge mit verbessertem Fehlbetankungsschutz
JP6335967B2 (ja) * 2016-05-12 2018-05-30 本田技研工業株式会社 燃料電池車両の制御方法
EP3300939B8 (en) * 2016-09-20 2019-09-11 Plastic Omnium Advanced Innovation and Research Method for controlling a pressure inside a fuel tank system
JP6972618B2 (ja) * 2017-03-31 2021-11-24 ブラザー工業株式会社 画像記録装置
CN109630267B (zh) * 2018-11-16 2021-04-06 中国第一汽车股份有限公司 一种汽油发动机车辆加油状态检测方法
JP7417480B2 (ja) * 2020-06-22 2024-01-18 日立Astemo株式会社 車両用電子制御装置
JP7472885B2 (ja) 2021-10-14 2024-04-23 トヨタ自動車株式会社 蒸発燃料処理系の診断システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263462A (en) 1992-10-29 1993-11-23 General Motors Corporation System and method for detecting leaks in a vapor handling system
JP3277774B2 (ja) 1995-11-14 2002-04-22 日産自動車株式会社 内燃機関の蒸発燃料蒸散防止装置の故障診断装置及び燃料給油中検出装置
JP3316376B2 (ja) * 1996-05-07 2002-08-19 三菱電機株式会社 燃料蒸散防止装置の異常検出装置
US6283097B1 (en) * 1997-08-25 2001-09-04 John E. Cook Automotive evaporative emission leak detection system
US6192742B1 (en) 1997-11-17 2001-02-27 Denso Corporation More reliable leakage diagnosis for evaporated gas purge system
US6119663A (en) * 1998-03-31 2000-09-19 Unisia Jecs Corporation Method and apparatus for diagnosing leakage of fuel vapor treatment unit
JP3412678B2 (ja) 1998-05-15 2003-06-03 株式会社日立ユニシアオートモティブ 蒸発燃料処理装置のリーク診断装置
JP3621297B2 (ja) * 1999-06-30 2005-02-16 株式会社日立ユニシアオートモティブ 蒸発燃料処理装置の故障診断装置

Also Published As

Publication number Publication date
US20030075156A1 (en) 2003-04-24
US6854452B2 (en) 2005-02-15
JP2003120437A (ja) 2003-04-23
JP2007211789A (ja) 2007-08-23
DE10248470A1 (de) 2003-05-22

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