EP1103717A1 - Pompe disposée dans le réceptacle d'un réservoir de carburant d'un véhicule - Google Patents

Pompe disposée dans le réceptacle d'un réservoir de carburant d'un véhicule Download PDF

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Publication number
EP1103717A1
EP1103717A1 EP00125410A EP00125410A EP1103717A1 EP 1103717 A1 EP1103717 A1 EP 1103717A1 EP 00125410 A EP00125410 A EP 00125410A EP 00125410 A EP00125410 A EP 00125410A EP 1103717 A1 EP1103717 A1 EP 1103717A1
Authority
EP
European Patent Office
Prior art keywords
pump
fuel
suction jet
holder
unit according
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
Application number
EP00125410A
Other languages
German (de)
English (en)
Other versions
EP1103717B1 (fr
Inventor
Helmut Kohlhaas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Mannesmann VDO AG
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE10055344A external-priority patent/DE10055344A1/de
Application filed by Mannesmann VDO AG, Siemens AG filed Critical Mannesmann VDO AG
Publication of EP1103717A1 publication Critical patent/EP1103717A1/fr
Application granted granted Critical
Publication of EP1103717B1 publication Critical patent/EP1103717B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
    • F02M37/025—Feeding by means of a liquid fuel-driven jet pump

Definitions

  • the invention relates to a in a baffle Fuel tank of a motor vehicle arranged Conveyor unit, with a for the conveyance of fuel too provided an internal combustion engine of the motor vehicle Fuel pump, with one connected to the fuel pump Suction jet pump to deliver fuel from the fuel tank in the baffle and with one Pump holder for holding the fuel pump in the Swirl pot.
  • the Pump holder of the known delivery unit is in two parts designed and has one in the bottom area of the Baffle arranged opening inserted sealing ring and one attached to a lid of the baffle Poor.
  • the fuel pump is from the arm against the Prestressed sealing ring.
  • the suction jet pump is from the Fuel pump supplies fuel and sucks the Fuel from the fuel tank through the opening on.
  • the suction jet pump is in a housing of the fuel pump integrated.
  • a disadvantage of the known conveyor unit is that the Fuel pump with the suction jet pump a constructive represents a very complex component. Still difficult the suction jet pump does maintenance work on the fuel pump.
  • the invention is based on the problem of a conveyor unit of the type mentioned in such a way that they is as simple as possible to assemble and assemble.
  • suction jet pump with the pump holder and / or the Swirl pot is designed as a structural unit.
  • This design allows the suction jet pump and the fuel pump simply separated in the baffle assemble and disassemble. Maintenance work on the Fuel pump are not thanks to the invention
  • the suction jet pump is very difficult and therefore very difficult to design simple. This makes the fuel pump particularly simple built and can also be manufactured inexpensively.
  • Another advantage of this design is a simple one sorted separation of materials during disassembly the delivery unit according to the invention, since the pump holder like the suction jet pump and the baffle in the Usually be made of plastic and the fuel pump mostly housing cover and a metal casing having.
  • the fuel pump is advantageous according to another Further development of the invention reliably in its intended Held in position when the pump holder has a rotating, encompassing a lower area of the fuel pump Edge and the snap connection one on the Free end of the edge arranged radially inwards has a pointing projection.
  • the conveyor unit according to the invention contributes if connect the pump holder to the bottom of the Swirl pot is designed to be form-fitting.
  • the suction jet pump could be made in one piece with the pump holder be designed. However, since the suction jet pump is a Nozzle and a mixing tube spaced from the nozzle, this leads to a complicated design of the Pump holder.
  • the pump holder can be made according to another advantageous development of the invention particularly just make it when the bottom of the baffle Has partial area of a mixing tube of the suction jet pump.
  • the production of the suction jet pump and the adjoining one Components are designed according to another advantageous one Development of the invention is particularly cost-effective, if a nozzle and the mixing tube of the suction jet pump one half each in the baffle and one other half are arranged in the pump holder.
  • This design divides the suction jet pump lengthways and can therefore be used together with the baffle and the Pump holder simply in axially demouldable injection molds manufacture.
  • Conveyor unit helps when the suction jet pump is positively connected to the pump holder.
  • the suction jet pump could, for example, as in the known one Conveyor unit one in the area of one Internal combustion engine leading exhaust port arranged Have a branch for the suction jet pump.
  • a branch for the suction jet pump since the Internal combustion engine of the motor vehicle a higher Pressure requires than the suction jet pump, this requires an expensive pressure reducing valve arranged in the branch.
  • Such a costly pressure reducing valve can be according to another advantageous development simply avoid the invention if the Fuel pump as peripheral pump or side channel pump is formed and if a nozzle of the suction jet pump with one in the middle of a delivery chamber Fuel pump arranged branch is connected.
  • the branch at one point in the fuel pump arranged, on which the intended Pressure.
  • This additional pump stage can be done in a peripheral pump or side channel pump particularly inexpensive be arranged in an impeller with the main pump stage.
  • Figure 1 shows one on a bottom of a fuel tank 1 of a motor vehicle arranged swirl pot 2 with a conveyor unit 3 arranged therein.
  • the conveyor unit 3 has one driven by an electric motor 4
  • the pump holder 6 with the bottom area of the baffle 2 screwed and has a locking connection 7 with the fuel pump 5.
  • the locking connection 7 is as of protruding from the pump holder 6 and around the fuel pump 5 peripheral edge 8 with a radially inward-facing Projection 9 designed.
  • the projection 9 penetrates into one Well 10 of the fuel pump 5.
  • the pump holder 6 is screwed to the bottom area of the surge pot 2.
  • the fuel pump 5 is designed as a side channel pump and has a rotating in a pump housing 11 Impeller 12. Furthermore, the fuel pump 5 has a from an inlet duct 13 to an outlet duct 14 extending delivery chamber 15. From a medium range the feed chamber 15 leads to a branch 16 Suction jet pump 17.
  • the suction jet pump 17 has one with nozzle 18 connected to branch 16 and one of nozzle 18 spaced mixing tube 19.
  • the nozzle 18 and the mixing tube 19 are each one half of the baffle 2 and the other half formed by the pump holder 6. This allows both components to be demolded axially Manufacture injection mold.
  • the area between the mixing tube 19 and the nozzle 18 is via a recess 20 in the bottom area of the baffle 2 with the fuel tank 1 connected.
  • a Bottom valve 21 arranged, through which exclusively Fuel can penetrate into the surge pot 2.
  • a fuel filter 22 is arranged in front of the recess 20. For assembly or disassembly of the liquid end can selectively the fuel pump 5 from the pump holder 6 pull off, or the pump holder 6 together with Unscrew the fuel pump 5 from the baffle 2.
  • the fuel pump 5 sucks fuel through the fine filter 23 from the surge pot 2 and promotes it over the Outlet duct 15 to an internal combustion engine, not shown of the motor vehicle.
  • a subset arrives of the fuel via the branch 16 to the nozzle 18 of the Suction jet pump 17.
  • the suction jet pump 17 sucks over the Bottom valve 21 fuel from the fuel tank 1 on and conveys it into the baffle 2.
  • For clarification are the flows of the fuel in the drawing marked with arrows. This ensures that fuel is always in the surge pot 2 is available.
  • FIG. 2 shows a further embodiment of the Swirl pot 2 arranged conveyor unit 29.
  • This conveyor unit 29 differs from that of FIG. 1 all in that a suction jet pump 24 as a separate Component inserted in a receptacle 25 of a pump holder 26 is.
  • the pump holder 26 has to hold the Suction jet pump 24 sealing rings 27. Furthermore, the pump holder 26 via a latching connection 28 on the floor area of the surge pot 2 attached.
  • FIGS. 3a and 3b Various conveying chamber arrangements are shown in FIGS. 3a and 3b shown for feeding the suction jet pump.
  • FIG. 3a two delivery chambers 15, 15 'are one behind the other and arranged concentrically to one another in FIG. 3b are.
  • the longer delivery chamber 15 has one Inlet channel 13 to the surge pot and an outlet channel 14 to the internal combustion engine of the motor vehicle.
  • the each Shorter delivery chamber 15 ' has an inlet 31 own connection to the baffle. Via an outlet 32 is the delivery chamber 15 'with the nozzle of the suction jet pump connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP00125410A 1999-11-23 2000-11-20 Pompe disposée dans le réceptacle d'un réservoir de carburant d'un véhicule Expired - Lifetime EP1103717B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19956141 1999-11-23
DE19956141 1999-11-23
DE10055344 2000-11-08
DE10055344A DE10055344A1 (de) 1999-11-23 2000-11-08 In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit

Publications (2)

Publication Number Publication Date
EP1103717A1 true EP1103717A1 (fr) 2001-05-30
EP1103717B1 EP1103717B1 (fr) 2005-03-23

Family

ID=26007599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125410A Expired - Lifetime EP1103717B1 (fr) 1999-11-23 2000-11-20 Pompe disposée dans le réceptacle d'un réservoir de carburant d'un véhicule

Country Status (4)

Country Link
US (1) US6478014B1 (fr)
EP (1) EP1103717B1 (fr)
AT (1) ATE291692T1 (fr)
ES (1) ES2238240T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008034757A1 (fr) * 2006-09-18 2008-03-27 Continental Automotive Gmbh Unité d'alimentation en carburant pour un véhicule automobile
WO2009106185A1 (fr) * 2008-02-28 2009-09-03 Robert Bosch Gmbh Dispositif d'acheminement de carburant
EP2031236A3 (fr) * 2007-08-29 2012-07-18 Continental Automotive GmbH Unité d'alimentation en carburant

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7308426B1 (en) * 1999-08-11 2007-12-11 C-Sam, Inc. System and methods for servicing electronic transactions
DE19957066A1 (de) * 1999-11-26 2001-05-31 Mannesmann Vdo Ag Saugstrahlpumpe
JP2003139007A (ja) * 2001-10-30 2003-05-14 Denso Corp 燃料供給装置
US6951208B2 (en) * 2003-10-22 2005-10-04 Siemens Vdo Automotive Corporation Fuel delivery system with flow re-director for improved re-priming sequence
US7299821B2 (en) 2003-11-14 2007-11-27 Siemens Vdo Automotive Corporation Reservoir of fuel delivery module having valve protection structure
DE10356061B4 (de) * 2003-12-01 2009-04-02 Continental Automotive Gmbh Vorrichtung zur Halterung einer Kraftstoffpumpe in einem Kraftstoffbehälter
DE102004052439A1 (de) * 2004-10-28 2006-05-04 Siemens Ag Kraftstoffpumpe und Kraftstoffversorgungsanlage für eine Brennkraftmaschine eines Kraftfahrzeuges mit einer Kraftstoffpumpe
US7748949B2 (en) * 2006-05-01 2010-07-06 Continential Automotive Systems Us, Inc. Fuel pump with inner channel priming
DE102006032098A1 (de) * 2006-07-11 2008-01-24 Siemens Ag Einrichtung zum Sammeln von Kraftstoff in einem Kraftstoffbehälter

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054755A (en) * 1979-07-14 1981-02-18 Bosch Gmbh Robert Electrical fuel pump unit
DE3225929A1 (de) * 1982-07-10 1984-01-12 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffbehaelter fuer brennkraftmaschinen, insbesondere von kraftfahrzeugen
WO1988001346A1 (fr) * 1986-08-20 1988-02-25 Whitehead Engineered Products, Inc. Ensemble de pompe de carburant monte dans un reservoir pour moteurs a injection de carburant
DE3719809C1 (de) * 1987-06-13 1988-06-09 Daimler Benz Ag Stautopf fuer Kraftstoffbehaelter
EP0378796A2 (fr) * 1988-12-07 1990-07-25 Nissan Motor Co., Ltd. Structure de réservoir de carburant pour véhicule automobile
DE9116296U1 (fr) * 1991-04-08 1992-07-23 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
EP0562536A1 (fr) * 1992-03-27 1993-09-29 SICEB S.p.A. Support pour le conduit d'admission d'une pompe d'alimentation en carburant, notamment pour un moteur à combustion interne
DE4336574A1 (de) * 1993-10-27 1995-05-04 Vdo Schindling Kraftstoff-Fördereinheit
EP0694691A1 (fr) * 1994-07-28 1996-01-31 Robert Bosch Gmbh Dispositif d'alimentation de combustible d'un réservoir vers un moteur à combustion interne d'un véhicle automobile
DE29700031U1 (de) * 1997-01-02 1998-04-30 Bosch Gmbh Robert Kraftstofförderaggregat
EP0959242A1 (fr) * 1998-05-19 1999-11-24 Bitron France Ensemble de pompage de carburant et réservoir de véhicule automobile équipé d'un tel ensemble de pompage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946351A (en) * 1989-06-14 1990-08-07 Tecumseh Products Company Compressor mounting system
DE4242242C2 (de) * 1992-12-15 2003-04-30 Bosch Gmbh Robert Vorrichtung zum Versorgen der Brennkraftmaschine eines Kraftfahrzeuges mit in einem Vorratstank vorhandenem Kraftstoff
US5452701A (en) * 1994-05-23 1995-09-26 Walbro Corporation Turbine fuel pump with fuel jet
DE19521509A1 (de) * 1995-06-13 1996-12-19 Bosch Gmbh Robert Einrichtung zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine
US5875816A (en) * 1996-05-17 1999-03-02 Robert Bosch Gmbh Fuel feeding module with integrated fuel fine filter
US6231318B1 (en) * 1999-03-29 2001-05-15 Walbro Corporation In-take fuel pump reservoir
US6155793A (en) * 1999-06-08 2000-12-05 Walbro Corporation Recessed fuel pump module

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054755A (en) * 1979-07-14 1981-02-18 Bosch Gmbh Robert Electrical fuel pump unit
DE3225929A1 (de) * 1982-07-10 1984-01-12 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffbehaelter fuer brennkraftmaschinen, insbesondere von kraftfahrzeugen
WO1988001346A1 (fr) * 1986-08-20 1988-02-25 Whitehead Engineered Products, Inc. Ensemble de pompe de carburant monte dans un reservoir pour moteurs a injection de carburant
DE3719809C1 (de) * 1987-06-13 1988-06-09 Daimler Benz Ag Stautopf fuer Kraftstoffbehaelter
EP0378796A2 (fr) * 1988-12-07 1990-07-25 Nissan Motor Co., Ltd. Structure de réservoir de carburant pour véhicule automobile
DE9116296U1 (fr) * 1991-04-08 1992-07-23 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
EP0562536A1 (fr) * 1992-03-27 1993-09-29 SICEB S.p.A. Support pour le conduit d'admission d'une pompe d'alimentation en carburant, notamment pour un moteur à combustion interne
DE4336574A1 (de) * 1993-10-27 1995-05-04 Vdo Schindling Kraftstoff-Fördereinheit
EP0694691A1 (fr) * 1994-07-28 1996-01-31 Robert Bosch Gmbh Dispositif d'alimentation de combustible d'un réservoir vers un moteur à combustion interne d'un véhicle automobile
DE29700031U1 (de) * 1997-01-02 1998-04-30 Bosch Gmbh Robert Kraftstofförderaggregat
EP0959242A1 (fr) * 1998-05-19 1999-11-24 Bitron France Ensemble de pompage de carburant et réservoir de véhicule automobile équipé d'un tel ensemble de pompage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008034757A1 (fr) * 2006-09-18 2008-03-27 Continental Automotive Gmbh Unité d'alimentation en carburant pour un véhicule automobile
US8069844B2 (en) 2006-09-18 2011-12-06 Continental Automotive Gmbh Fuel delivery unit for a motor vehicle
CN101516664B (zh) * 2006-09-18 2013-05-29 大陆汽车有限责任公司 用于机动车的燃油输送单元
KR101396660B1 (ko) * 2006-09-18 2014-05-16 콘티넨탈 오토모티브 게엠베하 차량용 연료 송출 유닛
EP2031236A3 (fr) * 2007-08-29 2012-07-18 Continental Automotive GmbH Unité d'alimentation en carburant
WO2009106185A1 (fr) * 2008-02-28 2009-09-03 Robert Bosch Gmbh Dispositif d'acheminement de carburant

Also Published As

Publication number Publication date
ES2238240T3 (es) 2005-09-01
ATE291692T1 (de) 2005-04-15
EP1103717B1 (fr) 2005-03-23
US6478014B1 (en) 2002-11-12

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