WO2011116926A1 - Procede et dispositif de detection de pincement de tuyau de liaison entre un reservoir et un filtre a vapeurs d'essence - Google Patents
Procede et dispositif de detection de pincement de tuyau de liaison entre un reservoir et un filtre a vapeurs d'essence Download PDFInfo
- Publication number
- WO2011116926A1 WO2011116926A1 PCT/EP2011/001401 EP2011001401W WO2011116926A1 WO 2011116926 A1 WO2011116926 A1 WO 2011116926A1 EP 2011001401 W EP2011001401 W EP 2011001401W WO 2011116926 A1 WO2011116926 A1 WO 2011116926A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal combustion
- combustion engine
- richness
- filter
- vapor filter
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03519—Valve arrangements in the vent line
-
- 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
- F02M25/0872—Details of the fuel vapour pipes or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
- B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03523—Arrangements of the venting tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03542—Mounting of the venting means
- B60K2015/03557—Mounting of the venting means comprising elements of the venting device integrated in the fuel tank, e.g. vapor recovery means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03561—Venting means working at specific times
- B60K2015/03571—Venting during driving
Definitions
- the invention relates to the field of vehicle engines. It relates more specifically to the detection of pipe nip connecting the gasoline vapor filter and the fuel tank that usually equips vehicles with a gasoline internal combustion engine.
- the fuel tanks of these vehicles are equipped with a vapor recovery device.
- gasoline which reinjects them into the engine.
- This device usually called “canister” by the skilled person, is arranged near the fuel tank. It includes a carbon filter that fixes the gasoline vapors, especially when the engine is stopped.
- the injection of the vapors into the engine through the intake pipe is controlled by the engine control electronics or "ECU” (Engine Control Unit) allowing the opening and closing of a valve of the engine. purge.
- ECU Engine Control Unit
- the present invention therefore aims to provide a device for diagnosing a pinch connection pipe between a tank and a gasoline vapor filter.
- a second objective of the invention is to be simple and inexpensive to implement.
- the invention is directed to a method for detecting the pinching of connecting pipe between a tank and a gasoline vapor filter, for a vehicle internal combustion engine, said vapor filter being connected to the engine by a pipe comprising a controllable purge valve.
- the method comprises at least one sequence of the following steps:
- the measurements are acquired continuously during the wealth regulation.
- the method comprises a step of determining the clamping of the connection pipe between the reservoir and the vapor filter, by analyzing the evolution of the level of charge of the vapor filter over time.
- FIG. 1 a schematic view. the arrangement of the bleed valve of the fuel vapor filter in an internal combustion engine.
- the invention finds its place in a land vehicle such as an automobile.
- the vehicle not shown in FIG. 1, comprises an internal combustion engine 1 powered by fuel contained in a fuel tank 2.
- the internal combustion engine 1 comprises an air intake manifold 5 and a fuel pipe. fuel supply 12, connected to the fuel tank 2.
- a vapor filter 3 which is connected to the air intake manifold 5 via a purge valve 4.
- the purge valve is capable of placing the vapor filter 3 and the air intake manifold 5 of the internal combustion engine 1 in a controlled communication mode so as to recycle at least part of the fuel vapors contained in the filter. vapors 3.
- the vapor filter 3 is also in communication with an air intake 6 via a vent and a vent valve 7 (known under the term NVLD of the English "Natural Vacuum Leak Detector") capable of placing the vapor filter 3 in communication with the air intake 6.
- the vent valve 7 opens when the pressure in the vapor filter 3 exceeds a certain threshold or falls below a certain threshold. It's the case for example when the purge valve 4 is open and the internal combustion engine 1 is running.
- the vacuum then created in the air intake manifold 5 sucks the fuel vapors contained in the vapor filter 3 and causes the opening of the vent valve 7. Air then passes through the filter at vapors 3 and is charged with fuel vapor before entering the air intake manifold 5.
- the vent valve 7 further comprises a pressure switch 8 adapted to switch a signal according to the level of depression in the vapor filter 3.
- the pressure switch 8 delivers its signal via a line 9 to a control electronics 10 which can be dedicated to system or shared with other vehicle components such as the internal combustion engine 1.
- the control electronics 10 is able in particular to control the opening and closing of the purge valve 4 by a control line 11.
- the vehicle is here supposed to have a lambda probe of the type of those equipped with catalytic converter vehicles, adapted to measure the richness of a mixture by detecting the oxygen content present in the gas flowing in front of the probe. lambda.
- the fuel tank 2 of the vehicle fills with vapors, for example due to the increase in fuel temperature, vehicle movements, the ambient temperature, the temperature of the fuel pipe. fuel arrival 12 etc. These fumes of fuel vapor are then stored continuously within the fuel vapor filter 3.
- the opening of the purge valve 4 is controlled by the control electronics 10 as a function of the charge level of the steam filter 3 and the operating point of the engine.
- the gasoline charge of the steam filter 3 is estimated by analyzing the exhaust richness deviation.
- the method for detecting the pinching of connecting pipe between a fuel tank 2 and a gasoline vapor filter 3 comprises several steps:
- This comparison is made by calculating the integral of the purge flow (achieved through the compensation of the fuel mass injected into the engine) and comparing it to a predetermined threshold.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180015227.8A CN102802994B (zh) | 2010-03-24 | 2011-03-22 | 汽油容器和汽油蒸汽过滤器之间的连接管的夹紧检测方法和设备 |
KR1020127027809A KR101781330B1 (ko) | 2010-03-24 | 2011-03-22 | 탱크와 가솔린 증기 필터 사이의 연결 호스의 핀칭을 감지하기 위한 방법 및 장치 |
US13/636,894 US8966964B2 (en) | 2010-03-24 | 2011-03-22 | Method and device for detecting the pinching of a coupling hose between a tank and a gasoline vapor filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1001168A FR2957858B1 (fr) | 2010-03-24 | 2010-03-24 | Procede et dispositif de detection de pincement de tuyau de liaison entre un reservoir et un filtre a vapeurs d'essence |
FR10/01168 | 2010-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011116926A1 true WO2011116926A1 (fr) | 2011-09-29 |
Family
ID=43216485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/001401 WO2011116926A1 (fr) | 2010-03-24 | 2011-03-22 | Procede et dispositif de detection de pincement de tuyau de liaison entre un reservoir et un filtre a vapeurs d'essence |
Country Status (5)
Country | Link |
---|---|
US (1) | US8966964B2 (fr) |
KR (1) | KR101781330B1 (fr) |
CN (1) | CN102802994B (fr) |
FR (1) | FR2957858B1 (fr) |
WO (1) | WO2011116926A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3082465A1 (fr) * | 2018-06-18 | 2019-12-20 | Continental Automotive France | Procede de detection d'un pincement ou d'une torsion d'un tuyau d'evacuation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10323869A1 (de) * | 2003-05-26 | 2004-12-30 | Siemens Ag | Verfahren zum Ansteuern eines Regenerierventils eines Kraftstoffdampf-Rückhaltesystems |
FR2911313A1 (fr) * | 2007-01-16 | 2008-07-18 | H D F Porsche Ag Dr Ing | Vehicule hybride |
DE102008030196A1 (de) * | 2008-06-25 | 2009-12-31 | Mahle International Gmbh | Tankentlüftungseinrichtung und zugehöriges Betriebsverfahren |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004190639A (ja) | 2002-12-13 | 2004-07-08 | Hitachi Unisia Automotive Ltd | エバポパージ装置付き燃料タンクの気密診断装置 |
JP4242180B2 (ja) | 2003-03-04 | 2009-03-18 | 株式会社デンソー | 蒸発燃料処理装置のリークチェック装置 |
CN100543290C (zh) | 2005-04-08 | 2009-09-23 | 株式会社电装 | 燃料蒸气处理设备 |
FR2900981B1 (fr) * | 2006-05-12 | 2012-04-27 | Siemens Vdo Automotive | Procede de diagnostic de fonctionnement d'un dispositif de purge d'un moteur |
FR2900982B1 (fr) * | 2006-05-12 | 2011-01-21 | Siemens Vdo Automotive | Procede de fonctionnement d'un moteur en regime de ralenti pour le diagnostic operatoire d'une vanne de purge |
FR2958690B1 (fr) * | 2010-04-08 | 2014-01-17 | Continental Automotive France | Procede et dispositif de detection de blocage de vanne de purge de filtre a vapeurs d'essence |
-
2010
- 2010-03-24 FR FR1001168A patent/FR2957858B1/fr active Active
-
2011
- 2011-03-22 US US13/636,894 patent/US8966964B2/en active Active
- 2011-03-22 WO PCT/EP2011/001401 patent/WO2011116926A1/fr active Application Filing
- 2011-03-22 CN CN201180015227.8A patent/CN102802994B/zh active Active
- 2011-03-22 KR KR1020127027809A patent/KR101781330B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10323869A1 (de) * | 2003-05-26 | 2004-12-30 | Siemens Ag | Verfahren zum Ansteuern eines Regenerierventils eines Kraftstoffdampf-Rückhaltesystems |
FR2911313A1 (fr) * | 2007-01-16 | 2008-07-18 | H D F Porsche Ag Dr Ing | Vehicule hybride |
DE102008030196A1 (de) * | 2008-06-25 | 2009-12-31 | Mahle International Gmbh | Tankentlüftungseinrichtung und zugehöriges Betriebsverfahren |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3082465A1 (fr) * | 2018-06-18 | 2019-12-20 | Continental Automotive France | Procede de detection d'un pincement ou d'une torsion d'un tuyau d'evacuation |
WO2019243226A1 (fr) * | 2018-06-18 | 2019-12-26 | Continental Automotive France | Procédé de détection d'un pincement ou d'une torsion d'un tuyau d'évacuation |
KR20210020120A (ko) * | 2018-06-18 | 2021-02-23 | 비테스코 테크놀로지스 게엠베하 | 배출 파이프의 막힘 또는 비틀림을 검출하는 방법 |
KR102537751B1 (ko) | 2018-06-18 | 2023-05-26 | 비테스코 테크놀로지스 게엠베하 | 배출 파이프의 막힘 또는 비틀림을 검출하는 방법 |
US11679666B2 (en) | 2018-06-18 | 2023-06-20 | Vitesco Technologies GmbH | Method for detecting the trapping or twisting of a discharge pipe |
Also Published As
Publication number | Publication date |
---|---|
US20130036807A1 (en) | 2013-02-14 |
CN102802994A (zh) | 2012-11-28 |
KR20130064054A (ko) | 2013-06-17 |
US8966964B2 (en) | 2015-03-03 |
FR2957858B1 (fr) | 2012-04-27 |
KR101781330B1 (ko) | 2017-09-25 |
CN102802994B (zh) | 2015-08-05 |
FR2957858A1 (fr) | 2011-09-30 |
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