EP1315898B1 - Kraftstofffördereinheit - Google Patents
Kraftstofffördereinheit Download PDFInfo
- Publication number
- EP1315898B1 EP1315898B1 EP01962643A EP01962643A EP1315898B1 EP 1315898 B1 EP1315898 B1 EP 1315898B1 EP 01962643 A EP01962643 A EP 01962643A EP 01962643 A EP01962643 A EP 01962643A EP 1315898 B1 EP1315898 B1 EP 1315898B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- line
- feed unit
- fuel feed
- region
- 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.)
- Revoked
Links
Images
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 one for the delivery of fuel from an intake area in a pressure range provided fuel pump and with a vent valve to seal the pressure area or connecting the print area to the environment.
- the fuel delivery unit usually has an in a housing arranged fuel pump with an electric motor on and becomes one in a baffle Mounted fuel tank of the motor vehicle. In the assembled The fuel delivery unit is in good condition the fuel pump and the intake area in a lower one End of the case. The pressure area with the vent valve and a connector for one to one Internal combustion engine of the motor vehicle leading flow line are arranged in the upper area of the housing.
- the electric motor is mostly driven by the fuel flows through.
- a disadvantage of the known fuel delivery unit is that with a nearly empty surge pot after a long Air fuel pump comes to a standstill via the bleed valve can penetrate into the housing. This air must first when starting the fuel pump via the Vent valve from the fuel delivered again to be ousted. This leads to a time delay pressure build-up and air mixing and fuel.
- EP 1.020.636 shows a fuel pump with a ventilation line that opens into the fuel tank.
- the invention is based on the problem of intrusion of air into the housing of the fuel delivery unit avoid.
- this problem is solved in that the end of the vent valve facing the environment with one in the assembled state of the fuel delivery unit permanently connected to fuel-filled area is.
- the fuel delivery unit according to the invention is designed is structurally particularly simple if on the environmental side Area of the vent valve a line is connected and if the line is close to the suction area is led. This is the free end of the line even when the surge pot is almost empty at any time within the fuel.
- the line can be a particularly large one, for example Have cross-section and to be discharged during the initial filling Save air.
- the penetration of the line Air in the housing of the invention fuel delivery unit can be largely avoided, if the line is in relation to the volume of the printing area has a particularly small volume.
- the invention when the line is close to the Breather valve angled to the intake area having. Due to this design, the management has one particularly short length.
- Vent valve and the line can be easily avoided, if the free end of the line im in one Swirl pot mounted state of the fuel delivery unit a designated distance from the bottom of the baffle having.
- FIG. 1 This shows schematically a floor area in a single figure a fuel tank of a motor vehicle.
- a baffle 1 is in the fuel tank a two-stage fuel pump 3 Fuel delivery unit 2 used.
- the fuel pump 3 has a preliminary stage 4 for fuel delivery the fuel tank in the baffle 1 and one Main level 5 to deliver fuel from the Swirl pot 1 in an upper part of a housing 6 the fuel delivery unit 2 arranged pressure range 7.
- the flows of the fuel are for clarification marked with arrows in the drawing.
- On that Part of the housing 6 having the pressure region 7 is a Connection piece 8 for a, not shown, to a Internal combustion engine of the motor vehicle leading flow line arranged.
- the housing 6 has Vent valve 9 on.
- the vent valve 9 connects the printing area 7 with the environment and enables a escape of gas bubbles from the pressure area 7. If the pressure area 7 completely filled with fuel the vent valve closes 9. On the ambient side End of the vent valve 9 is a line 10 connected up to just before the bottom of the Schwalltopfes 1 and thus in a constantly with fuel filled area.
Landscapes
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Fuel-Injection Apparatus (AREA)
- Feeding And Controlling Fuel (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Fuel Cell (AREA)
- Details Of Reciprocating Pumps (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
Claims (5)
- Kraftstofffördereinheit mit einer zur Förderung von Kraftstoff aus einem Ansaugbereich in einen Druckbereich vorgesehenen Kraftstoffpumpe und mit einem Entlüftungsventil zur Abdichtung des Druckbereichs oder Verbindung des Druckbereichs mit der Umgebung, dadurch gekennzeichnet, dass das der Umgebung zugewandte Ende des Entlüftungsventils (9) mit einem im montierten Zustand der Kraftstofffördereinheit (2) ständig mit Kraftstoff gefüllten Bereich des Schwalltopfes (1) verbunden ist.
- Kraftstofffördereinheit nach Anspruch 1, dadurch gekennzeichnet, dass an dem der Umgebung zugewandten Ende des Entlüftungsventils (9) eine Leitung (10) angeschlossen ist und dass die Leitung (10) bis nahe des Ansaugbereichs geführt ist.
- Kraftstofffördereinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Leitung (10) ein im Verhältnis zum Volumen des Druckbereichs (7) besonders kleines Volumen aufweist.
- Kraftstofffördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Leitung (10) U-förmig gebogen ist.
- Kraftstofffördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das freie Ende der Leitung (10) im in einen Schwalltopf (1) montierten Zustand der Kraftstofffördereinheit (2) einen vorgesehenen Abstand vom Boden des Schwalltopfes (1) aufweist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10044609A DE10044609B4 (de) | 2000-09-09 | 2000-09-09 | Kraftstofffördereinheit |
DE10044609 | 2000-09-09 | ||
PCT/DE2001/003132 WO2002020973A1 (de) | 2000-09-09 | 2001-08-16 | Kraftstofffördereinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1315898A1 EP1315898A1 (de) | 2003-06-04 |
EP1315898B1 true 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 |
EP1010890B1 (de) * | 1998-07-02 | 2002-10-16 | Mitsubishi Denki Kabushiki Kaisha | Kraftstoffzufuhrvorrichtung für fahrzeuge |
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 active IP Right Grant
- 2001-08-16 CN CNB018152872A patent/CN100385105C/zh not_active Expired - Fee Related
- 2001-08-16 EP EP01962643A patent/EP1315898B1/de not_active Revoked
- 2001-08-16 BR BR0113733-6A patent/BR0113733A/pt not_active Application Discontinuation
- 2001-08-16 DE DE50102542T patent/DE50102542D1/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 IP Right Cessation
- 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
Also Published As
Publication number | Publication date |
---|---|
ES2223000T3 (es) | 2005-02-16 |
CN100385105C (zh) | 2008-04-30 |
WO2002020973A1 (de) | 2002-03-14 |
KR100768599B1 (ko) | 2007-10-18 |
KR20030036726A (ko) | 2003-05-09 |
DE10044609B4 (de) | 2004-11-04 |
DE10044609A1 (de) | 2002-06-27 |
DE50102542D1 (de) | 2004-07-15 |
ATE268866T1 (de) | 2004-06-15 |
US20040013537A1 (en) | 2004-01-22 |
EP1315898A1 (de) | 2003-06-04 |
CN1623035A (zh) | 2005-06-01 |
BR0113733A (pt) | 2003-07-29 |
JP2004508491A (ja) | 2004-03-18 |
AU2001283801A1 (en) | 2002-03-22 |
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