EP1315898A1 - Kraftstofffördereinheit - Google Patents
KraftstofffördereinheitInfo
- Publication number
- EP1315898A1 EP1315898A1 EP01962643A EP01962643A EP1315898A1 EP 1315898 A1 EP1315898 A1 EP 1315898A1 EP 01962643 A EP01962643 A EP 01962643A EP 01962643 A EP01962643 A EP 01962643A EP 1315898 A1 EP1315898 A1 EP 1315898A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- delivery unit
- line
- fuel delivery
- area
- 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.)
- Granted
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
- 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
-
- 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
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
- F02M37/106—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir the pump being installed in a sub-tank
-
- 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
Definitions
- the invention relates to a fuel delivery unit with a fuel pump provided for delivering fuel from an intake area to a pressure area and with a vent valve for sealing the pressure area or connecting the pressure area to the environment.
- the fuel delivery unit usually has a fuel pump with an electric motor which is arranged in a housing and is mounted in a swirl pot of a fuel tank of the motor vehicle. In the assembled state of the fuel delivery unit, the fuel pump and the suction area are located in a lower end of the housing. The pressure area with the ventilation valve and a connecting piece for a flow line leading to an internal combustion engine of the motor vehicle are arranged in the upper area of the housing. The delivered fuel usually flows through the electric motor.
- a disadvantage of the known fuel delivery unit is that, when the swirl pot is almost empty, air can penetrate into the housing via the ventilation valve after the fuel pump has been idle for a long time. This air must first be displaced by the delivered fuel when the fuel pump is started via the vent valve. This leads to a time delay in pressure build-up and to a mixture of air and fuel.
- the invention is based on the problem of preventing air from penetrating into the housing of the fuel delivery unit.
- the housing is filled with fuel even after the fuel pump has been idle for a long time and does not need to be vented when the fuel pump is started.
- the air present in the housing when it is filled for the first time and in the case of gas bubbles generated by outgassing of the fuel can be discharged unhindered from the housing via the vent valve.
- the fuel delivery unit according to the invention is structurally particularly simple if there is a line at the area of the vent valve on the surrounding side is connected and if the line is routed close to the suction area. As a result, the free end of the line is always within the fuel, even when the swirl pot is almost empty.
- the line can, for example, have a particularly large cross section and store air to be discharged during the initial filling.
- the penetration of air in the line into the housing of the fuel delivery unit according to the invention can, however, be largely avoided if the line has a particularly small volume in relation to the volume of the pressure area.
- a further reduction in the storage volume of the line is achieved if the line has an angled portion that is guided close to the vent valve to the suction area. This design means that the line is particularly short.
- a hindrance to the escape of air from the housing of the fuel delivery unit according to the invention via the vent valve and the line can be easily avoided if the free end of the line, when the fuel delivery unit is mounted in a swirl pot, is at an intended distance from the bottom of the swirl pot.
- a surge pot 1 is in the fuel tank a two-stage fuel pump 3 having fuel delivery unit 2 used.
- the fuel pump 3 has a preliminary stage 4 for conveying fuel from the fuel tank into the baffle 1 and a main stage 5 for conveying fuel from the baffle 1 into a pressure region 7 arranged in the upper part of a housing 6 of the fuel delivery unit 2.
- the flows are for clarification of the fuel marked with arrows in the drawing.
- a connecting piece 8 is arranged for a flow line (not shown) leading to an internal combustion engine of the motor vehicle. Furthermore, the housing 6 has a vent valve 9.
- the vent valve 9 connects the pressure area 7 to the environment and enables gas bubbles to escape from the pressure area 7. When the pressure area 7 is completely filled with fuel, the vent valve 9 closes.
- a line 10 is connected to the end of the vent valve 9 on the surrounding side , Which is guided up to directly in front of the bottom of the baffle 1 and thus into an area constantly filled with fuel.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Fuel-Injection Apparatus (AREA)
- Feeding And Controlling Fuel (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Details Of Reciprocating Pumps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Fuel Cell (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10044609 | 2000-09-09 | ||
| DE10044609A DE10044609B4 (de) | 2000-09-09 | 2000-09-09 | Kraftstofffördereinheit |
| PCT/DE2001/003132 WO2002020973A1 (de) | 2000-09-09 | 2001-08-16 | Kraftstofffördereinheit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1315898A1 true EP1315898A1 (de) | 2003-06-04 |
| EP1315898B1 EP1315898B1 (de) | 2004-06-09 |
Family
ID=7655618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01962643A Revoked EP1315898B1 (de) | 2000-09-09 | 2001-08-16 | Kraftstofffördereinheit |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20040013537A1 (de) |
| EP (1) | EP1315898B1 (de) |
| JP (1) | JP2004508491A (de) |
| KR (1) | KR100768599B1 (de) |
| CN (1) | CN100385105C (de) |
| AT (1) | ATE268866T1 (de) |
| AU (1) | AU2001283801A1 (de) |
| BR (1) | BR0113733A (de) |
| DE (2) | DE10044609B4 (de) |
| ES (1) | ES2223000T3 (de) |
| WO (1) | WO2002020973A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060093772A1 (en) * | 2004-10-27 | 2006-05-04 | Fish Robert B Jr | Multilayered pipes comprising hydrolysis resistant polyamides |
| KR101271377B1 (ko) | 2007-08-10 | 2013-06-07 | 현대자동차주식회사 | 엘피아이 차량의 연료펌프 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3127748A (en) * | 1960-05-10 | 1964-04-07 | Gullick Ltd | Mine roof supports |
| US3495544A (en) * | 1967-08-30 | 1970-02-17 | Binks Res & Dev | Hydraulic system |
| US3819303A (en) * | 1973-06-13 | 1974-06-25 | Ecodyne Corp | Relief-release pumps |
| JPS5943148A (ja) * | 1982-08-27 | 1984-03-10 | 株式会社豊田自動織機製作所 | 流体噴射式織機における緯入れ装置 |
| DE3540260C2 (de) * | 1985-11-13 | 1995-01-05 | Bosch Gmbh Robert | Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine |
| US4844704A (en) * | 1986-04-03 | 1989-07-04 | Honda Giken Kogyo Kabushiki Kaisha | Fuel pump assembly |
| DE3631982C1 (de) * | 1986-09-19 | 1988-02-04 | Hans Ing Kern | Dosierpumpe |
| JPH0341085Y2 (de) * | 1987-03-17 | 1991-08-29 | ||
| DE3827489C1 (de) * | 1988-08-12 | 1989-10-12 | Gruenbeck Wasseraufbereitung Gmbh, 8884 Hoechstaedt, De | |
| JPH0755326Y2 (ja) * | 1989-11-18 | 1995-12-20 | 堀江金属工業株式会社 | フユーエルポンプユニツト |
| JPH0732935Y2 (ja) * | 1990-04-25 | 1995-07-31 | 株式会社ユニシアジェックス | 燃料ポンプ |
| DE4038875A1 (de) * | 1990-08-30 | 1992-03-12 | Vdo Schindling | Kraftstoff-foerderaggregat fuer kraftfahrzeuge |
| JPH07259675A (ja) * | 1994-03-22 | 1995-10-09 | Nissan Motor Co Ltd | 燃料タンクの旋回槽構造 |
| DE19618452B4 (de) * | 1996-05-08 | 2005-05-12 | Robert Bosch Gmbh | Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine |
| DE19712096C1 (de) * | 1997-03-22 | 1998-04-02 | Lang Apparatebau Gmbh | Dosierpumpe zum dosierten Fördern von Flüssigkeiten |
| JP3745384B2 (ja) * | 1998-07-02 | 2006-02-15 | 三菱電機株式会社 | 車両用燃料供給装置 |
| US6082321A (en) * | 1998-07-29 | 2000-07-04 | Borgwarner Inc. | Method for controlling output pressure of an engine oil pump |
| DE19834653C1 (de) * | 1998-07-31 | 1999-12-16 | Bosch Gmbh Robert | Kraftstoff-Fördermodul mit zusätzlicher Bodenplatte am Speichertopf |
| US6158975A (en) * | 1998-09-24 | 2000-12-12 | Walbro Corporation | Fuel pump module |
| DE19901032A1 (de) * | 1999-01-14 | 2000-07-20 | Pierburg Ag | Elektrische Brennstoffpumpe |
-
2000
- 2000-09-09 DE DE10044609A patent/DE10044609B4/de not_active Revoked
-
2001
- 2001-08-16 AT AT01962643T patent/ATE268866T1/de not_active IP Right Cessation
- 2001-08-16 WO PCT/DE2001/003132 patent/WO2002020973A1/de not_active Ceased
- 2001-08-16 ES ES01962643T patent/ES2223000T3/es not_active Expired - Lifetime
- 2001-08-16 JP JP2002525360A patent/JP2004508491A/ja active Pending
- 2001-08-16 US US10/363,787 patent/US20040013537A1/en not_active Abandoned
- 2001-08-16 CN CNB018152872A patent/CN100385105C/zh not_active Expired - Fee Related
- 2001-08-16 BR BR0113733-6A patent/BR0113733A/pt not_active Application Discontinuation
- 2001-08-16 EP EP01962643A patent/EP1315898B1/de not_active Revoked
- 2001-08-16 AU AU2001283801A patent/AU2001283801A1/en not_active Abandoned
- 2001-08-16 KR KR1020037002674A patent/KR100768599B1/ko not_active Expired - Fee Related
- 2001-08-16 DE DE50102542T patent/DE50102542D1/de not_active Revoked
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0220973A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100385105C (zh) | 2008-04-30 |
| DE10044609B4 (de) | 2004-11-04 |
| BR0113733A (pt) | 2003-07-29 |
| DE10044609A1 (de) | 2002-06-27 |
| CN1623035A (zh) | 2005-06-01 |
| ATE268866T1 (de) | 2004-06-15 |
| AU2001283801A1 (en) | 2002-03-22 |
| DE50102542D1 (de) | 2004-07-15 |
| JP2004508491A (ja) | 2004-03-18 |
| EP1315898B1 (de) | 2004-06-09 |
| US20040013537A1 (en) | 2004-01-22 |
| KR20030036726A (ko) | 2003-05-09 |
| KR100768599B1 (ko) | 2007-10-18 |
| ES2223000T3 (es) | 2005-02-16 |
| WO2002020973A1 (de) | 2002-03-14 |
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