EP1103717A1 - In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit - Google Patents
In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit Download PDFInfo
- 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
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
- 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)
Abstract
Description
- Figur 1
- einen unteren Bereich einer erfindungsgemäßen Fördereinheit mit angrenzenden Bereichen eines Kraftstoffbehälters im Längsschnitt,
- Figur 2
- eine weitere Ausführungsform der erfindungsgemäßen Fördereinheit im Längsschnitt,
- Figur 3a, b
- verschiedene Ausgestaltungen der Förderkammer für die Speisung der Saugstrahlpumpe.
Claims (9)
- In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit, mit einer zur Förderung von Kraftstoff zu einer Brennkraftmaschine des Kraftfahrzeuges vorgesehenen Kraftstoffpumpe, mit einer mit der Kraftstoffpumpe verbundenen Saugstrahlpumpe zur Förderung von Kraftstoff aus dem Kraftstoffbehälter in den Schwalltopf und mit einem Pumpenhalter zur Halterung der Kraftstoffpumpe in dem Schwalltopf, dadurch gekennzeichnet, daß die Saugstrahlpumpe (17, 24) mit dem Pumpenhalter (6, 26) und/oder dem Schwalltopf (2) als bauliche Einheit gestaltet ist.
- Fördereinheit nach Anspruch 1, dadurch gekennzeichnet, daß der am Boden des Schwalltopfes (2) befestigte Pumpenhalter (6, 26) eine Rastverbindung (7) mit der Kraftstoffpumpe (5) hat.
- Fördereinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Pumpenhalter (6, 26) einen umlaufenden, einen unteren Bereich der Kraftstoffpumpe (5) umgreifenden Rand (8) und die Rastverbindung (7) einen auf dem freien Ende des Randes (8) angeordneten, radial nach innen weisenden Vorsprung (9) aufweist.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Verbindung des Pumpenhalters (6, 26) mit dem Boden des Schwalltopfes (2) formschlüssig gestaltet ist.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Boden des Schwalltopfes (2) einen Teilbereich eines Mischrohrs (19) der Saugstrahlpumpe (17) aufweist.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Düse (18) und das Mischrohr (19) der Saugstrahlpumpe (17) jeweils zu einer Hälfte in dem Schwalltopf (2) und zur anderen Hälfte in dem Pumpenhalter (6) angeordnet sind.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Saugstrahlpumpe (24) formschlüssig mit dem Pumpenhalter (26) verbunden ist.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Kraftstoffpumpe (5) als Peripheralpumpe oder Seitenkanalpumpe ausgebildet ist und daß eine Düse (18) der Saugstrahlpumpe (17, 24) mit einem im mittleren Bereich einer Förderkammer (15) der Kraftstoffpumpe (5) angeordneten Abzweig (16) verbunden ist.
- Fördereinheit nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Kraftstoffpumpe (5) als Peripheralpumpe oder Seitenkanalpumpe ausgebildet ist, und daß eine Düse (18) der Saugstrahlpumpe (17, 24) mit dem Auslaß (32) der Förderkammer (15') verbunden ist, wobei die Förderkammer (15') von der Förderkammer (15) fluidisch getrennt ist.
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 (de) | 2001-05-30 |
EP1103717B1 EP1103717B1 (de) | 2005-03-23 |
Family
ID=26007599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00125410A Expired - Lifetime EP1103717B1 (de) | 1999-11-23 | 2000-11-20 | In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit |
Country Status (4)
Country | Link |
---|---|
US (1) | US6478014B1 (de) |
EP (1) | EP1103717B1 (de) |
AT (1) | ATE291692T1 (de) |
ES (1) | ES2238240T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008034757A1 (de) * | 2006-09-18 | 2008-03-27 | Continental Automotive Gmbh | Kraftstoff-fördereinheit für ein kraftfahrzeug |
WO2009106185A1 (de) * | 2008-02-28 | 2009-09-03 | Robert Bosch Gmbh | Vorrichtung zum fördern von kraftstoff |
EP2031236A3 (de) * | 2007-08-29 | 2012-07-18 | Continental Automotive GmbH | Kraftstofffördereinheit |
Families Citing this family (9)
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 |
ATE531927T1 (de) * | 2006-05-01 | 2011-11-15 | Continental Automotive Systems | Kraftstoffpumpe mit innenkanalvorfüllung |
DE102006032098A1 (de) * | 2006-07-11 | 2008-01-24 | Siemens Ag | Einrichtung zum Sammeln von Kraftstoff in einem Kraftstoffbehälter |
Citations (11)
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 (en) * | 1986-08-20 | 1988-02-25 | Whitehead Engineered Products, Inc. | In-tank fuel pump assembly for fuel-injected engines |
DE3719809C1 (de) * | 1987-06-13 | 1988-06-09 | Daimler Benz Ag | Stautopf fuer Kraftstoffbehaelter |
EP0378796A2 (de) * | 1988-12-07 | 1990-07-25 | Nissan Motor Co., Ltd. | Kraftstofftankstruktur für Kraftfahrzeug |
DE9116296U1 (de) * | 1991-04-08 | 1992-07-23 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Kraftstoffbehälteranlage |
EP0562536A1 (de) * | 1992-03-27 | 1993-09-29 | SICEB S.p.A. | Haltevorrichtung für ein Saugrohr einer Kraftstofförderpumpe, insbesondere für eine Brennkraftmaschine |
DE4336574A1 (de) * | 1993-10-27 | 1995-05-04 | Vdo Schindling | Kraftstoff-Fördereinheit |
EP0694691A1 (de) * | 1994-07-28 | 1996-01-31 | Robert Bosch Gmbh | Vorrichtung zum Fördern von Kraftstoff aus einem Vorratsbehälter zur Brennkraftmaschine eines Kraftfahrzeugs |
DE29700031U1 (de) * | 1997-01-02 | 1998-04-30 | Robert Bosch Gmbh, 70469 Stuttgart | Kraftstofförderaggregat |
EP0959242A1 (de) * | 1998-05-19 | 1999-11-24 | Bitron France | Brennstoffpumpeneinheit und Kraftfahrzeugbehälter ausgerüstet mit solch einer Pumpeneinheit |
Family Cites Families (7)
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 |
-
2000
- 2000-11-20 EP EP00125410A patent/EP1103717B1/de not_active Expired - Lifetime
- 2000-11-20 ES ES00125410T patent/ES2238240T3/es not_active Expired - Lifetime
- 2000-11-20 AT AT00125410T patent/ATE291692T1/de not_active IP Right Cessation
- 2000-11-22 US US09/718,678 patent/US6478014B1/en not_active Expired - Fee Related
Patent Citations (11)
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 (en) * | 1986-08-20 | 1988-02-25 | Whitehead Engineered Products, Inc. | In-tank fuel pump assembly for fuel-injected engines |
DE3719809C1 (de) * | 1987-06-13 | 1988-06-09 | Daimler Benz Ag | Stautopf fuer Kraftstoffbehaelter |
EP0378796A2 (de) * | 1988-12-07 | 1990-07-25 | Nissan Motor Co., Ltd. | Kraftstofftankstruktur für Kraftfahrzeug |
DE9116296U1 (de) * | 1991-04-08 | 1992-07-23 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Kraftstoffbehälteranlage |
EP0562536A1 (de) * | 1992-03-27 | 1993-09-29 | SICEB S.p.A. | Haltevorrichtung für ein Saugrohr einer Kraftstofförderpumpe, insbesondere für eine Brennkraftmaschine |
DE4336574A1 (de) * | 1993-10-27 | 1995-05-04 | Vdo Schindling | Kraftstoff-Fördereinheit |
EP0694691A1 (de) * | 1994-07-28 | 1996-01-31 | Robert Bosch Gmbh | Vorrichtung zum Fördern von Kraftstoff aus einem Vorratsbehälter zur Brennkraftmaschine eines Kraftfahrzeugs |
DE29700031U1 (de) * | 1997-01-02 | 1998-04-30 | Robert Bosch Gmbh, 70469 Stuttgart | Kraftstofförderaggregat |
EP0959242A1 (de) * | 1998-05-19 | 1999-11-24 | Bitron France | Brennstoffpumpeneinheit und Kraftfahrzeugbehälter ausgerüstet mit solch einer Pumpeneinheit |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008034757A1 (de) * | 2006-09-18 | 2008-03-27 | Continental Automotive Gmbh | Kraftstoff-fördereinheit für ein kraftfahrzeug |
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 (de) * | 2007-08-29 | 2012-07-18 | Continental Automotive GmbH | Kraftstofffördereinheit |
WO2009106185A1 (de) * | 2008-02-28 | 2009-09-03 | Robert Bosch Gmbh | Vorrichtung zum fördern von kraftstoff |
Also Published As
Publication number | Publication date |
---|---|
US6478014B1 (en) | 2002-11-12 |
EP1103717B1 (de) | 2005-03-23 |
ES2238240T3 (es) | 2005-09-01 |
ATE291692T1 (de) | 2005-04-15 |
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