WO1996014505A1 - Means and method for operating evaporative emission system leak detection pump - Google Patents
Means and method for operating evaporative emission system leak detection pump Download PDFInfo
- Publication number
- WO1996014505A1 WO1996014505A1 PCT/CA1995/000597 CA9500597W WO9614505A1 WO 1996014505 A1 WO1996014505 A1 WO 1996014505A1 CA 9500597 W CA9500597 W CA 9500597W WO 9614505 A1 WO9614505 A1 WO 9614505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- space
- pump
- pressure
- evaporative emission
- compression stroke
- Prior art date
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
- 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
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)
- Examining Or Testing Airtightness (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX9703212A MX9703212A (en) | 1994-11-03 | 1995-10-24 | Means and method for operating evaporative emission system leak detection pump. |
KR1019970702947A KR970707375A (en) | 1994-11-03 | 1995-10-24 | MEANS AND METHOD FOR OPERATING EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP |
JP8514916A JPH10508357A (en) | 1994-11-03 | 1995-10-24 | Means and method of operating leak detection pump of evaporative gas device |
EP95944827A EP0789809B1 (en) | 1994-11-03 | 1995-10-24 | Means and method for operating evaporative emission system leak detection pump |
DE69503517T DE69503517T2 (en) | 1994-11-03 | 1995-10-24 | DEVICE AND METHOD FOR OPERATING A PUMP FOR DETECTING FUEL VAPOR LEAKAGE IN A FUEL STEAM TREATMENT SYSTEM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/333,824 US5499614A (en) | 1994-11-03 | 1994-11-03 | Means and method for operating evaporative emission system leak detection pump |
US08/333,824 | 1994-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996014505A1 true WO1996014505A1 (en) | 1996-05-17 |
Family
ID=23304405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA1995/000597 WO1996014505A1 (en) | 1994-11-03 | 1995-10-24 | Means and method for operating evaporative emission system leak detection pump |
Country Status (8)
Country | Link |
---|---|
US (1) | US5499614A (en) |
EP (1) | EP0789809B1 (en) |
JP (1) | JPH10508357A (en) |
KR (1) | KR970707375A (en) |
CN (1) | CN1171835A (en) |
DE (1) | DE69503517T2 (en) |
MX (1) | MX9703212A (en) |
WO (1) | WO1996014505A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864741A2 (en) | 1997-03-11 | 1998-09-16 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicule engine fuel tank installation connected to said canister |
EP0969198A2 (en) | 1998-07-02 | 2000-01-05 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicle engine fuel tank installation connected to said canister |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19523936A1 (en) * | 1995-06-30 | 1997-01-02 | Bosch Gmbh Robert | Pumping device for a fuel evaporation retention system and fuel evaporation retention system |
DE19523935A1 (en) * | 1995-06-30 | 1997-01-02 | Bosch Gmbh Robert | Pumping device |
US5606121A (en) * | 1996-03-05 | 1997-02-25 | Chrysler Corporation | Method of testing an evaporative emission control system |
US5641899A (en) * | 1996-03-05 | 1997-06-24 | Chrysler Corporation | Method of checking for purge flow in an evaporative emission control system |
US5616836A (en) * | 1996-03-05 | 1997-04-01 | Chrysler Corporation | Method of pinched line detection for an evaporative emission control system |
US5651350A (en) * | 1996-03-05 | 1997-07-29 | Chrysler Corporation | Method of leak detection for an evaporative emission control system |
US5685279A (en) * | 1996-03-05 | 1997-11-11 | Chrysler Corporation | Method of de-pressurizing an evaporative emission control system |
US5709080A (en) * | 1996-03-15 | 1998-01-20 | Caterpillar Inc. | Leak detection method and apparatus for an exhaust purification system |
US5682869A (en) * | 1996-04-29 | 1997-11-04 | Chrysler Corporation | Method of controlling a vapor storage canister for a purge control system |
DE19628153B4 (en) * | 1996-06-14 | 2009-04-16 | Mahle Filtersysteme Gmbh | Method for operating a fuel tank ventilation system of an internal combustion engine |
DE19636431B4 (en) * | 1996-09-07 | 2009-05-14 | Robert Bosch Gmbh | Method and device for testing the functionality of a tank ventilation system |
US5749349A (en) * | 1996-10-24 | 1998-05-12 | Eaton Corporation | Fuel vapor control system |
US5817925A (en) * | 1997-03-26 | 1998-10-06 | Siemens Electric Limited | Evaporative emission leak detection system |
US5967487A (en) * | 1997-08-25 | 1999-10-19 | Siemens Canada Ltd. | Automotive emission control valve with a cushion media |
US6283097B1 (en) | 1997-08-25 | 2001-09-04 | John E. Cook | Automotive evaporative emission leak detection system |
US5967124A (en) * | 1997-10-31 | 1999-10-19 | Siemens Canada Ltd. | Vapor leak detection system having a shared electromagnet coil for operating both pump and vent valve |
US5878725A (en) * | 1997-10-07 | 1999-03-09 | Borg-Warner Automotive, Inc. | Canister vent/purge valve |
US5974861A (en) * | 1997-10-31 | 1999-11-02 | Siemens Canada Limited | Vapor leak detection module having a shared electromagnet coil for operating both pump and vent valve |
US6301955B1 (en) * | 1999-01-27 | 2001-10-16 | Siemens Canada Limited | Driver circuit for fuel vapor leak detection system |
US6192743B1 (en) * | 1998-02-25 | 2001-02-27 | Siemens Canada Limited | Self-contained leak detection module having enclosure-mounted toggle levers for pump and valve |
US6009746A (en) * | 1998-02-25 | 2000-01-04 | Siemens Canada Ltd. | Electric-operated toggle lever of leak detection module pump |
US6016691A (en) * | 1998-02-25 | 2000-01-25 | Siemens Canada Ltd. | Calibrated toggle lever of leak detection module pump |
DE19809384C2 (en) * | 1998-03-05 | 2000-01-27 | Bosch Gmbh Robert | Procedure for checking the functionality of a tank ventilation system |
US6119663A (en) * | 1998-03-31 | 2000-09-19 | Unisia Jecs Corporation | Method and apparatus for diagnosing leakage of fuel vapor treatment unit |
DE19831188C2 (en) * | 1998-07-11 | 2003-05-08 | Freudenberg Carl Kg | Tank ventilation device for motor vehicles |
DE19834332B4 (en) * | 1998-07-30 | 2005-06-02 | Robert Bosch Gmbh | Method for testing the functionality of a container |
DE19836295B4 (en) * | 1998-08-11 | 2004-07-08 | Robert Bosch Gmbh | Procedure for checking the functionality of a vehicle tank ventilation system |
US6264431B1 (en) * | 1999-05-17 | 2001-07-24 | Franklin Electric Co., Inc. | Variable-speed motor drive controller for a pump-motor assembly |
US6253598B1 (en) * | 1999-12-16 | 2001-07-03 | Siemens Automotive Inc. | Method and system for predicting stabilized time duration of vapor leak detection pump strokes |
US6282945B1 (en) | 1999-12-16 | 2001-09-04 | Siemens Automotive, Inc. | Method and system for aggressive cycling of leak detection pump to ascertain vapor leak size |
US6334355B1 (en) * | 2000-01-19 | 2002-01-01 | Delphi Technologies, Inc. | Enhanced vacuum decay diagnostic and integration with purge function |
JP2002202008A (en) * | 2001-01-09 | 2002-07-19 | Mazda Motor Corp | Fault diagnostic device for evaporative fuel processing device |
JP4041287B2 (en) * | 2001-03-23 | 2008-01-30 | 本田技研工業株式会社 | Blow-by gas recirculation device in an internal combustion engine |
JP2002371924A (en) * | 2001-06-15 | 2002-12-26 | Mitsubishi Electric Corp | Trouble diagnosis device of evaporative emission purge system |
US6913002B2 (en) * | 2002-12-13 | 2005-07-05 | Hitachi, Ltd. | Fuel feed system |
JP4003764B2 (en) * | 2004-08-04 | 2007-11-07 | トヨタ自動車株式会社 | Control device for hydrogenated internal combustion engine |
US7448367B1 (en) * | 2007-07-13 | 2008-11-11 | Gm Global Technology Operations, Inc. | Evaporative emission control in battery powered vehicle with gasoline engine powered generator |
DE102007033411A1 (en) * | 2007-07-18 | 2009-01-22 | Audi Ag | Vehicle, in particular motor vehicle with tank ventilation system |
US7562651B2 (en) * | 2007-11-19 | 2009-07-21 | Mahle Technology, Inc. | Vapor canister having integrated evaporative emission purge actuation monitoring system having fresh air filter |
US8122758B2 (en) * | 2008-02-21 | 2012-02-28 | GM Global Technology Operations LLC | Purge valve leak diagnostic systems and methods |
JP2009270494A (en) * | 2008-05-08 | 2009-11-19 | Toyota Motor Corp | Diagnostic device and diagnostic method of evaporated fuel processing system |
DE102009011279A1 (en) | 2009-03-02 | 2010-09-09 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Method for examining tank ventilation valve, involves integrating tank ventilation valve in tank arrangement of internal combustion engine, where pressure prevailing in tank and collecting vessel is increased above ambient pressure |
US20120260624A1 (en) * | 2010-07-08 | 2012-10-18 | Cleanfuel Holdings, Inc. | System and Method for Controlling Evaporative Emissions |
JP5704338B2 (en) * | 2011-07-07 | 2015-04-22 | 三菱自動車工業株式会社 | Fuel evaporative emission control device for internal combustion engine |
JP6015935B2 (en) * | 2012-12-26 | 2016-10-26 | 三菱自動車工業株式会社 | Fuel evaporative emission control device |
US9133796B2 (en) * | 2013-03-08 | 2015-09-15 | Ford Global Technologies, Llc | Multi-path purge ejector system |
KR20170088411A (en) * | 2014-12-01 | 2017-08-01 | 엔테그리스, 아이엔씨. | Substrate container valve assemblies |
CN105370551A (en) * | 2015-11-26 | 2016-03-02 | 宁波新思创机电科技股份有限公司 | Improved leakage detecting pump |
DE102016223838A1 (en) * | 2016-11-30 | 2018-05-30 | Robert Bosch Gmbh | Leakage test device of a tank arrangement |
JP6854233B2 (en) * | 2017-11-16 | 2021-04-07 | 本田技研工業株式会社 | Blockage detection device and blockage detection method |
US10677200B2 (en) * | 2018-09-27 | 2020-06-09 | GM Global Technology Operations LLC | Hydrocarbon emission control system |
CN111305979B (en) * | 2018-12-12 | 2021-08-10 | 上汽通用汽车有限公司 | System and method for detecting evaporative leakage in a fuel system in a vehicle |
CN109538945B (en) * | 2018-12-17 | 2023-10-27 | 东风富士汤姆森调温器有限公司 | Universal type vehicle-mounted fuel system leakage detection device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994015090A1 (en) * | 1992-12-23 | 1994-07-07 | Siemens Electric Limited | Integrity confirmation of evaporative emission control system against leakage |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4003751C2 (en) * | 1990-02-08 | 1999-12-02 | Bosch Gmbh Robert | Tank ventilation system for a motor vehicle and method for checking its functionality |
US5230319A (en) * | 1990-10-05 | 1993-07-27 | Toyota Jidosha Kabushiki Kaisha | Apparatus for detecting malfunction in evaporated fuel purge system |
JP2666557B2 (en) * | 1990-10-15 | 1997-10-22 | トヨタ自動車株式会社 | Failure diagnosis device for evaporation purge system |
US5048493A (en) * | 1990-12-03 | 1991-09-17 | Ford Motor Company | System for internal combustion engine |
US5191870A (en) * | 1991-03-28 | 1993-03-09 | Siemens Automotive Limited | Diagnostic system for canister purge system |
JPH0533733A (en) * | 1991-05-20 | 1993-02-09 | Honda Motor Co Ltd | Vapor fuel controller of internal combustion engine |
US5146902A (en) * | 1991-12-02 | 1992-09-15 | Siemens Automotive Limited | Positive pressure canister purge system integrity confirmation |
JPH07500400A (en) * | 1992-04-25 | 1995-01-12 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection device for internal combustion engines |
US5411004A (en) * | 1993-02-03 | 1995-05-02 | Siemens Automotive Limited | Positive pressure canister purge system integrity confirmation |
-
1994
- 1994-11-03 US US08/333,824 patent/US5499614A/en not_active Expired - Lifetime
-
1995
- 1995-10-24 CN CN95197154A patent/CN1171835A/en active Pending
- 1995-10-24 JP JP8514916A patent/JPH10508357A/en active Pending
- 1995-10-24 EP EP95944827A patent/EP0789809B1/en not_active Expired - Lifetime
- 1995-10-24 WO PCT/CA1995/000597 patent/WO1996014505A1/en not_active Application Discontinuation
- 1995-10-24 KR KR1019970702947A patent/KR970707375A/en not_active Application Discontinuation
- 1995-10-24 MX MX9703212A patent/MX9703212A/en not_active IP Right Cessation
- 1995-10-24 DE DE69503517T patent/DE69503517T2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994015090A1 (en) * | 1992-12-23 | 1994-07-07 | Siemens Electric Limited | Integrity confirmation of evaporative emission control system against leakage |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864741A2 (en) | 1997-03-11 | 1998-09-16 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicule engine fuel tank installation connected to said canister |
EP0864741A3 (en) * | 1997-03-11 | 1998-09-30 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicule engine fuel tank installation connected to said canister |
US5975062A (en) * | 1997-03-11 | 1999-11-02 | Pierburg Ag | Apparatus and method for periodically cleaning a charcoal canister and for periodically checking leak-tightness of a fuel system of an internal combustion engine |
EP0969198A2 (en) | 1998-07-02 | 2000-01-05 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicle engine fuel tank installation connected to said canister |
EP0969198A3 (en) * | 1998-07-02 | 2000-07-05 | Pierburg Aktiengesellschaft | Device for flushing a charcoal canister and for leak testing of a vehicle engine fuel tank installation connected to said canister |
Also Published As
Publication number | Publication date |
---|---|
US5499614A (en) | 1996-03-19 |
EP0789809B1 (en) | 1998-07-15 |
CN1171835A (en) | 1998-01-28 |
EP0789809A1 (en) | 1997-08-20 |
KR970707375A (en) | 1997-12-01 |
MX9703212A (en) | 1997-12-31 |
DE69503517T2 (en) | 1998-11-19 |
DE69503517D1 (en) | 1998-08-20 |
JPH10508357A (en) | 1998-08-18 |
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