KR100510372B1 - 증발연료 처리장치의 고장 진단장치 - Google Patents
증발연료 처리장치의 고장 진단장치 Download PDFInfo
- Publication number
- KR100510372B1 KR100510372B1 KR10-2002-0028849A KR20020028849A KR100510372B1 KR 100510372 B1 KR100510372 B1 KR 100510372B1 KR 20020028849 A KR20020028849 A KR 20020028849A KR 100510372 B1 KR100510372 B1 KR 100510372B1
- Authority
- KR
- South Korea
- Prior art keywords
- failure diagnosis
- failure
- pressure
- engine
- negative pressure
- Prior art date
Links
Classifications
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- 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
-
- 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
- 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
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
Landscapes
- 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)
- Testing Of Engines (AREA)
Abstract
Description
Claims (5)
- 증발연료 처리장치의 고장 진단장치에 있어서,연료 탱크와 엔진 흡기통로를 접속하는 증발연료의 퍼지경로를 대기와 차단하여 엔진 흡기 부압을 도입한 상태에서의 상기 연료 탱크 내의 압력 감소상태를 감시하여 큰 구멍 대응의 고장진단을 행하는 제1 고장진단요소와,상기 연료 탱크 내를 소정 부압까지 감압시킨 후 대기와 차단된 밀폐상태에서의 압력 상승상태를 감시하여 작은 구멍 대응의 고장진단을 행하는 제2 고장진단요소를 가지며,상기 제2 고장진단요소의 작동영역을, 상기 제1 고장진단요소의 작동영역을 실질적으로 포함하고, 또한 상기 제1 고장진단요소의 작동영역보다 저흡기 부압측으로 확대 설정한 작동영역 설정요소의 구성을 가지며,상기 제1 고장진단요소는, 상기 압력 감소상태가 판정치보다도 작을 때, 고장이라고 판정하여 경고를 통지하며,상기 제2 고장진단요소는, 상기 압력 상승상태가 판정치보다 클 때, 고장이라고 판정하여 경고를 통지하는 것을 특징으로 하는 증발연료 처리장치의 고장 진단장치.
- 제 1 항에 있어서,엔진 회전수를 검지하는 엔진 회전수 검지요소와,엔진 부하를 검지하는 엔진 부하 검지요소를 구비하고,상기 작동영역 설정요소는, 상기 제1 및 제2 고장진단요소의 작동영역을, 상기 엔진 회전수 및 상기 엔진 부하에 의거하여 각각 설정함과 함께, 상기 제2 고장진단요소의 작동영역이 상기 제1 고장 진단요소의 작동영역보다 엔진 저부하측 및 또는 엔진 저회전수 측을 포함하도록 설정하는 것을 특징으로 하는 증발연료 처리장치의 고장 진단장치.
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001156812A JP4487440B2 (ja) | 2001-05-25 | 2001-05-25 | 蒸発燃料処理装置の故障診断装置 |
JPJP-P-2001-00156812 | 2001-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020090332A KR20020090332A (ko) | 2002-12-02 |
KR100510372B1 true KR100510372B1 (ko) | 2005-08-24 |
Family
ID=19000766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0028849A KR100510372B1 (ko) | 2001-05-25 | 2002-05-24 | 증발연료 처리장치의 고장 진단장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6651491B2 (ko) |
JP (1) | JP4487440B2 (ko) |
KR (1) | KR100510372B1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3930437B2 (ja) * | 2002-04-11 | 2007-06-13 | 株式会社日本自動車部品総合研究所 | 蒸発燃料処理装置の故障診断方法および故障診断装置 |
DE10248627B4 (de) * | 2002-10-18 | 2014-05-22 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine, Brennkraftmaschine sowie Steuergerät hierfür |
JP4110931B2 (ja) * | 2002-11-05 | 2008-07-02 | トヨタ自動車株式会社 | 内燃機関の蒸発燃料処理装置 |
JP4210626B2 (ja) * | 2004-04-14 | 2009-01-21 | トヨタ自動車株式会社 | 燃料蒸気パージシステムの故障診断装置、ならびにそれを備えた燃料蒸気パージ装置および燃焼機関 |
DE102008001447A1 (de) * | 2008-04-29 | 2009-11-05 | Robert Bosch Gmbh | Diagnose der Funktionsfähigkeit von Kraftstoffdampfzwischenspeichern |
US8539938B2 (en) | 2009-03-12 | 2013-09-24 | Ford Global Technologies, Llc | Fuel systems and methods for controlling fuel systems in a vehicle with multiple fuel tanks |
JP5333532B2 (ja) * | 2011-07-14 | 2013-11-06 | 株式会社デンソー | 燃料蒸気漏れ検出装置 |
JP5880159B2 (ja) * | 2012-03-09 | 2016-03-08 | 日産自動車株式会社 | 蒸発燃料処理装置の診断装置 |
JP5998529B2 (ja) * | 2012-03-09 | 2016-09-28 | 日産自動車株式会社 | 蒸発燃料処理装置の診断装置 |
JP5892012B2 (ja) | 2012-09-11 | 2016-03-23 | 日本精工株式会社 | 車載電子制御装置 |
US9243592B2 (en) * | 2013-04-18 | 2016-01-26 | Ford Global Technologies, Llc | Canister purge valve self-cleaning cycle |
JP2016003575A (ja) * | 2014-06-13 | 2016-01-12 | 株式会社デンソー | エバポガスパージシステムの異常診断装置 |
CN114352442B (zh) * | 2021-11-30 | 2023-04-21 | 岚图汽车科技有限公司 | 一种燃油蒸发系统诊断方法及装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07189824A (ja) * | 1993-12-28 | 1995-07-28 | Nissan Motor Co Ltd | 蒸発燃料処理装置の故障診断装置 |
JPH09317573A (ja) * | 1996-03-29 | 1997-12-09 | Mazda Motor Corp | 蒸発燃料供給系の故障診断装置 |
KR19990020439A (ko) * | 1997-08-30 | 1999-03-25 | 정몽규 | 이베퍼레이티브 시스템의 리크 검출 장치 및 그 방법 |
JPH11190256A (ja) * | 1997-12-25 | 1999-07-13 | Mitsubishi Motors Corp | 燃料蒸発ガス処理システムの故障診断装置 |
JP2000282972A (ja) * | 1999-03-29 | 2000-10-10 | Mazda Motor Corp | 蒸発燃料処理装置の故障診断装置 |
KR20010021195A (ko) * | 1999-08-06 | 2001-03-15 | 나까무라히로까즈 | 증발 퍼지 시스템의 고장 진단장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4243983C2 (de) * | 1991-12-28 | 1999-07-15 | Suzuki Motor Co | Diagnosevorrichtung für eine Kraftstoffdampfsteuereinrichtung eines Kraftfahrzeugs |
JP2688674B2 (ja) * | 1992-01-20 | 1997-12-10 | 本田技研工業株式会社 | 燃料タンク内圧センサの故障検出装置及び故障補償装置 |
JPH1061504A (ja) * | 1996-06-11 | 1998-03-03 | Toyota Motor Corp | エバポパージシステムの故障診断装置 |
JP3729683B2 (ja) * | 1998-12-04 | 2005-12-21 | トヨタ自動車株式会社 | エバポパージシステムの故障診断装置 |
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2001
- 2001-05-25 JP JP2001156812A patent/JP4487440B2/ja not_active Expired - Lifetime
-
2002
- 2002-05-24 KR KR10-2002-0028849A patent/KR100510372B1/ko active IP Right Grant
- 2002-05-24 US US10/153,793 patent/US6651491B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07189824A (ja) * | 1993-12-28 | 1995-07-28 | Nissan Motor Co Ltd | 蒸発燃料処理装置の故障診断装置 |
JPH09317573A (ja) * | 1996-03-29 | 1997-12-09 | Mazda Motor Corp | 蒸発燃料供給系の故障診断装置 |
KR19990020439A (ko) * | 1997-08-30 | 1999-03-25 | 정몽규 | 이베퍼레이티브 시스템의 리크 검출 장치 및 그 방법 |
JPH11190256A (ja) * | 1997-12-25 | 1999-07-13 | Mitsubishi Motors Corp | 燃料蒸発ガス処理システムの故障診断装置 |
JP2000282972A (ja) * | 1999-03-29 | 2000-10-10 | Mazda Motor Corp | 蒸発燃料処理装置の故障診断装置 |
KR20010021195A (ko) * | 1999-08-06 | 2001-03-15 | 나까무라히로까즈 | 증발 퍼지 시스템의 고장 진단장치 |
Also Published As
Publication number | Publication date |
---|---|
JP4487440B2 (ja) | 2010-06-23 |
KR20020090332A (ko) | 2002-12-02 |
US20020189328A1 (en) | 2002-12-19 |
JP2002349362A (ja) | 2002-12-04 |
US6651491B2 (en) | 2003-11-25 |
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