WO2003012281A1 - Dispositif d'evacuation de la vapeur pour un systeme d'alimentation en carburant d'un moteur a combustion interne - Google Patents
Dispositif d'evacuation de la vapeur pour un systeme d'alimentation en carburant d'un moteur a combustion interne Download PDFInfo
- Publication number
- WO2003012281A1 WO2003012281A1 PCT/JP2002/007469 JP0207469W WO03012281A1 WO 2003012281 A1 WO2003012281 A1 WO 2003012281A1 JP 0207469 W JP0207469 W JP 0207469W WO 03012281 A1 WO03012281 A1 WO 03012281A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- fuel supply
- vapor
- internal combustion
- combustion engine
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/04—Pumps peculiar thereto
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/20—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/007—Venting means
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/027—Injectors structurally combined with fuel-injection pumps characterised by the pump drive electric
Definitions
- the present invention relates to a vapor removing device for a fuel supply system of an internal combustion engine.
- the present invention relates to a vapor removing device in a fuel supply system of an internal combustion engine.
- an internal combustion engine for example, as shown in FIG. 5, an internal combustion engine equipped with a fixed venturi-type carburetor 1 is known.
- the carburetor 1 is provided with a fuel supply system for supplying the fuel F stored in the fuel tank 2 to the carburetor 1.
- the fuel supply system includes a fuel supply path 4 that communicates the fuel tank 2 with a float chamber 3 provided in the carburetor 1.
- the fuel supply path 4 supplies the fuel F with the fuel F.
- a fuel pump 5 for supplying and supplying the float chamber 3 from the fuel tank 2 is provided.
- a vapor separator tank 6 for temporarily storing fuel supplied from the fuel pump 5 is provided downstream of the fuel pump 5.
- the vapor bubbles are removed.
- the buoyancy the liquid is separated into the upper part of the base separate tank 6, and the fore haze is passed through a gentle return path 7 provided in the upper part of the base separate tank 6. Three to four gas bubbles are discharged to the fuel tank 2.
- the vapor bubbles are separated by the buoyancy of the fuel bubbles stored in the gas separator tank 6 and the vapor bubbles themselves. If the vapor separator S is shaken by vibration of the internal combustion engine or the like, the stored fuel gradient F is agitated. As a result, the vaporization of the vapor bubbles is not performed. When one gas or air bubble is sent to the gas generator 1 together with the fuel F, it is a fe problem.
- the present invention has been made in view of such conventional problems, and is an internal combustion engine fighter capable of guiding a gas generated in a fuel supply system to a fuel tank and removing the same. It is an object of the present invention to provide a dust removing device in a fuel supply system. Disclosure of the invention
- a vapor removing device in a fuel supply system of an internal combustion engine the fuel supply path connecting the fuel supply device of the internal combustion engine and the fuel tank to achieve the above-described object.
- a surface tension generating member is provided so as to cover the opening communicating with the fuel supply device.
- a vapor removing device in a fuel supply system for an internal combustion engine according to claim 2 of the present invention is characterized in that the branch portion according to claim 1 further includes a vapor separating tank that temporarily stores fuel supplied from the fuel tank.
- An opening communicating with the fuel supply device is formed in a lower part of the base separator tank, wherein the base return path is connected to an upper part of the base separator tank;
- the surface tension generating member is provided to cover the opening.
- a vapor removing device in a fuel supply system of an internal combustion engine according to claim 3 of the present invention wherein the fuel supply device according to any one of claims 1 and 2 includes a carburetor, A fuel supply path from the branch portion is connected to a float chamber of the vaporizer.
- a vapor removing device in a fuel supply system of an internal combustion engine according to claim 4 of the present invention is characterized in that the fuel supply device according to claim 1 includes a fuel injection device that injects the fuel.
- the fuel injection device is characterized in that the branch portion is formed.
- a vapor removing device in a fuel supply system for an internal combustion engine according to claim 5 of the present invention is a fuel cell system according to any one of claims 1 to 4, further comprising: A fuel pump is provided between the fuel cell and the branch portion. It is characterized by having been done.
- a vapor removing device in a fuel supply system for an internal combustion engine according to claim 6 of the present invention is characterized in that the surface tension generating member according to any one of claims 1 to 5 has a continuous pore. It is characterized by being a sheet made of paper.
- a vapor removing device for a fuel supply system of an internal combustion engine according to claim 7 of the present invention is characterized in that the surface tension generating member according to any one of claims 1 to 5 is a metal perforated plate. There is a feature.
- a vapor removing device in a fuel supply system for an internal combustion engine according to claim 8 of the present invention is characterized in that the surface tension generating member according to any one of claims 1 to 5 has a continuous pore.
- Characterized by being a sintered body having A vapor removing device for a fuel supply system of an internal combustion engine according to claim 9 of the present invention is characterized in that the surface tension generating member according to any one of claims 1 to 5 is a nonwoven fabric.
- FIG. 1 is a schematic configuration diagram of a fuel supply system according to one embodiment of the present invention.
- FIG. 2 shows one embodiment of the present invention, and is an explanatory diagram of an operation of a surface tension generating member.
- FIG. 3 shows a second embodiment of the present invention, and is a longitudinal sectional view of a fuel supply device.
- FIG. 4 shows a modified example of the present invention, and is a cross-sectional view of a fuel supply device.
- FIG. 5 is a schematic configuration diagram showing a conventional example of a fuel supply system.
- BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention will be described with reference to FIG.
- FIG. 1 shows a fuel supply system of an internal combustion engine to which the present embodiment is applied, and reference numeral 10 in the figure denotes a carburetor as a fuel supply device for supplying an air-fuel mixture to the internal combustion engine.
- the carburetor 10 has a main body 9 in which an intake passage 11a is formed.
- a lower part of the main body 9 is provided with a float chamber 11 for storing the fuel F, and a fuel tank 13 is connected to the float chamber 11 via a fuel supply path 12. .
- a fuel pump 14 for feeding the fuel F stored in the fuel tank 13 into the float chamber 11 of the carburetor 10 is provided in the middle of the fuel supply path 12. Between the float chamber 11 and the float chamber 11, there is provided a vapor separate tank 15 for temporarily storing the fuel F fed into the float chamber 11.
- the upper part of the base separate tank 15 is connected to the fuel pump 14, and the lower part is connected to the float chamber 11.
- a vapor return path 16 for connecting the base separator tank 15 to the upper space of the fuel tank 13 is connected to an upper portion of the base separator tank 15.
- the vapor return path 16 is configured so that vapor bubbles separated from the fuel F in the vapor separator tank 15 are discharged to the fuel tank 13 using the buoyancy of the vapor.
- the excess fuel F measured by the throttle 17 provided on the way is returned to the fuel tank 13.
- the fuel supply device the carburetor 10
- a surface tension generating member 18 is provided so as to cover the opening communicating with.
- the surface tension generating member 18 is, for example, a sheet made of paper having continuous pores, a metal porous plate such as a punching plate or a mesh, or a sintered body having continuous pores / nonwoven fabric. It is.
- the surface tension generating member 18 has a large number of pores 18a (a representative one is shown in FIG. 2), and the fuel F is passed through these pores 18a. .
- the pressure difference ⁇ needs to be equal to or higher than the discharge pressure P 1 that overcomes the surface tension.
- the fuel F and the bubbles are agitated by vibration or the like in the branch portion of the fuel supply path 12 and the vapor return path 16, that is, in the vapor separate tank 15, and the bubbles Even if the air reaches the opening on the vaporizer 10 side, the action of the surface tension generating member 18 prevents the air bubbles from entering the vaporizer 10 side.
- FIG. 3 shows a second embodiment of the present invention, in which a fuel injection device 30 is used as the fuel supply means.
- the fuel supply path 19 is provided in the fuel injection device 30, the fuel supply path 19 is provided. This is provided with a branch portion from the vapor return path 23.
- the fuel injection device 30 includes a body 31, a plunger pump P that is mounted in the body 31, and that suction-feeds the fuel F, and a fuel injection device 30 that is mounted on the body 31.
- the body 31 is provided at its lower part with a suction contact pipe 37 constituting the fuel supply path 12, and at the upper part, A return contact pipe 38 constituting a vapor return path 16 is provided, and a fuel branched from the fuel supply path 12 is provided between the cylinder 33 and the solenoid coil 36. Part of the back Reflow passage 3 9 for guiding toward the path 2 3 is provided.
- a suction contact pipe 37 and the pressurizing chamber 34 communicate with a branch portion between the fuel supply path 12 and the flow path 39 at the lower end of the cylinder 33.
- a suction passage 33a is formed. In the middle of the suction passage 33a, the fuel F is added only during the suction stroke of the plunger 35.
- An inlet check valve 40 is provided as a check valve that allows the inflow into the pressure chamber 34.
- a surface tension generating member 41 is provided so as to cover the opening on the inlet side of the suction passage 33a.
- the fuel F is sucked through the inlet check valve 40 as the plunger 35 moves up and down, and the fuel F is injected into the injection nozzle 3. 2 and is injected from the injection nozzle 32.
- the surface tension generating member 41 is provided so as to cover the opening of the suction unit 33a.
- An introduction path 42 continuous with 33a may be formed along the tangential direction of the cylinder 33, and a surface tension generating member 43 may be provided to cover an end opening of the introduction path 42. .
- the installation position of the surface tension generating member 43 can be set to an arbitrary position, and the surface tension generating member 43 is installed at a wide position of the circulation channel 39.
- the shape setting The mounting can be facilitated and the mounting can be facilitated.
- the vapor removing device in the fuel supply system of the internal combustion engine according to the present invention, when the vapor supplied to the fuel supply device contains vapor bubbles, It is possible to prevent the vapor bubbles from passing through the fuel supply device while preventing the passage of the vapor bubbles while securing the fuel supply amount by the tension generating member.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-7001184A KR20040026692A (ko) | 2001-07-30 | 2002-07-24 | 내연기관의 연료공급계에 있어서의 베이퍼제거장치 |
EP02751656A EP1413740A4 (en) | 2001-07-30 | 2002-07-24 | STEAM REMOVAL DEVICE FOR FUEL SUPPLY SYSTEM OF A COMBUSTION ENGINE |
US10/765,189 US6901916B2 (en) | 2001-07-30 | 2004-01-28 | Fuel discharge apparatus having a vapor removal system, and internal combustion engine fuel supply system having such fuel discharge apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001229563A JP4416182B2 (ja) | 2001-07-30 | 2001-07-30 | 内燃機関の燃料供給系におけるベーパ除去装置 |
JP2001-229563 | 2001-07-30 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/765,189 Continuation US6901916B2 (en) | 2001-07-30 | 2004-01-28 | Fuel discharge apparatus having a vapor removal system, and internal combustion engine fuel supply system having such fuel discharge apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003012281A1 true WO2003012281A1 (fr) | 2003-02-13 |
Family
ID=19061897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/007469 WO2003012281A1 (fr) | 2001-07-30 | 2002-07-24 | Dispositif d'evacuation de la vapeur pour un systeme d'alimentation en carburant d'un moteur a combustion interne |
Country Status (7)
Country | Link |
---|---|
US (1) | US6901916B2 (ja) |
EP (1) | EP1413740A4 (ja) |
JP (1) | JP4416182B2 (ja) |
KR (1) | KR20040026692A (ja) |
CN (1) | CN100404844C (ja) |
TW (1) | TW574470B (ja) |
WO (1) | WO2003012281A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378320C (zh) * | 2004-05-25 | 2008-04-02 | 本田技研工业株式会社 | 车辆的燃料供给构造 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005083258A1 (ja) | 2004-03-02 | 2005-09-09 | Mikuni Corporation | 燃料噴射機構 |
CN1904343B (zh) * | 2005-07-26 | 2010-08-25 | 浙江飞亚电子有限公司 | 一种低压供油回路的汽液分离器 |
JP2007056802A (ja) * | 2005-08-25 | 2007-03-08 | Aisan Ind Co Ltd | 燃料供給装置 |
JP2007092675A (ja) * | 2005-09-29 | 2007-04-12 | Mitsubishi Electric Corp | 燃料噴射装置 |
JP4784426B2 (ja) * | 2006-07-28 | 2011-10-05 | スズキ株式会社 | 自動二輪車の燃料供給装置 |
KR100947385B1 (ko) * | 2008-05-19 | 2010-03-15 | 현대자동차주식회사 | 디젤엔진의 연료공급장치 |
KR102090415B1 (ko) * | 2016-02-19 | 2020-03-17 | 아이상 고교 가부시키가이샤 | 연료 공급 장치 |
EP3598964B1 (en) * | 2018-07-23 | 2021-06-09 | Koninklijke Philips N.V. | Partitioning component for a feeding bottle device and feeding bottle device |
WO2020077181A1 (en) * | 2018-10-12 | 2020-04-16 | Briggs & Stratton Corporation | Electronic fuel injection module |
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JPS59115405U (ja) * | 1983-01-20 | 1984-08-04 | 小松ゼノア株式会社 | 燃料の気泡分離装置 |
JPS60180761U (ja) * | 1984-05-10 | 1985-11-30 | ダイハツ工業株式会社 | 燃料気液分離装置 |
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JPH05157014A (ja) * | 1991-12-09 | 1993-06-22 | Toyota Motor Corp | ディーゼル機関の気泡排出装置 |
US5280774A (en) * | 1992-07-10 | 1994-01-25 | Robert Bosch Gmbh | Fuel injection apparatus |
JPH09105366A (ja) * | 1995-08-08 | 1997-04-22 | Tenetsukusu:Kk | 燃料フイルタ |
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US6946071B2 (en) * | 2000-09-20 | 2005-09-20 | Mikuni Corporation | Fuel feeding device and fuel filter used for the device |
US6422207B1 (en) * | 2000-11-28 | 2002-07-23 | Bombardier Motor Corporation Of America | Fuel vapor separator |
US6622709B2 (en) * | 2001-12-20 | 2003-09-23 | Caterpillar Inc | Fuel conditioning module for reducing air in a fuel injection system |
-
2001
- 2001-07-30 JP JP2001229563A patent/JP4416182B2/ja not_active Expired - Fee Related
-
2002
- 2002-07-19 TW TW91116084A patent/TW574470B/zh not_active IP Right Cessation
- 2002-07-24 EP EP02751656A patent/EP1413740A4/en not_active Withdrawn
- 2002-07-24 CN CNB028149769A patent/CN100404844C/zh not_active Expired - Fee Related
- 2002-07-24 KR KR10-2004-7001184A patent/KR20040026692A/ko not_active Application Discontinuation
- 2002-07-24 WO PCT/JP2002/007469 patent/WO2003012281A1/ja active Application Filing
-
2004
- 2004-01-28 US US10/765,189 patent/US6901916B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59115405U (ja) * | 1983-01-20 | 1984-08-04 | 小松ゼノア株式会社 | 燃料の気泡分離装置 |
JPS60180761U (ja) * | 1984-05-10 | 1985-11-30 | ダイハツ工業株式会社 | 燃料気液分離装置 |
JPS61817U (ja) * | 1984-06-09 | 1986-01-07 | 大洋技研工業株式会社 | 自動エア−抜き機構付燃料フイルタ− |
JPH05157014A (ja) * | 1991-12-09 | 1993-06-22 | Toyota Motor Corp | ディーゼル機関の気泡排出装置 |
US5280774A (en) * | 1992-07-10 | 1994-01-25 | Robert Bosch Gmbh | Fuel injection apparatus |
JPH09105366A (ja) * | 1995-08-08 | 1997-04-22 | Tenetsukusu:Kk | 燃料フイルタ |
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Title |
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Cited By (1)
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CN100378320C (zh) * | 2004-05-25 | 2008-04-02 | 本田技研工业株式会社 | 车辆的燃料供给构造 |
Also Published As
Publication number | Publication date |
---|---|
US20040182368A1 (en) | 2004-09-23 |
CN1537200A (zh) | 2004-10-13 |
CN100404844C (zh) | 2008-07-23 |
KR20040026692A (ko) | 2004-03-31 |
TW574470B (en) | 2004-02-01 |
EP1413740A4 (en) | 2009-01-21 |
EP1413740A1 (en) | 2004-04-28 |
US6901916B2 (en) | 2005-06-07 |
JP2003042032A (ja) | 2003-02-13 |
JP4416182B2 (ja) | 2010-02-17 |
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