EP1861612A1 - Fördereinheit - Google Patents
FördereinheitInfo
- Publication number
- EP1861612A1 EP1861612A1 EP06704229A EP06704229A EP1861612A1 EP 1861612 A1 EP1861612 A1 EP 1861612A1 EP 06704229 A EP06704229 A EP 06704229A EP 06704229 A EP06704229 A EP 06704229A EP 1861612 A1 EP1861612 A1 EP 1861612A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- mixing tube
- jet pump
- feed unit
- baffle element
- 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
- 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
- F02M37/02—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
- Y10T137/86075—And jet-aspiration type pump
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86187—Plural tanks or compartments connected for serial flow
- Y10T137/86212—Plural compartments formed by baffles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86348—Tank with internally extending flow guide, pipe or conduit
Definitions
- the invention relates to a conveyor unit with a swirl pot, arranged in the sound pot fuel pump ⁇ and pumping into the swirl pot suction ⁇ jet pump, wherein the ejector from a propulsion jet nozzle with a nozzle opening, a mixing tube, a mixing tube, a suction port, a connected thereto Suction line exists.
- the Saugstahlpumpe serves to convey fuel from a fuel tank in a surge pot, which is disposed within the fuel tank.
- fuel tanks have various shapes. With the adaptation of the fuel tank to the motor vehicle using the available space created fuel tank, which are divided into several chambers.
- suction jet pumps are arranged at the bottom of the chambers or the areas of the fuel tank, from which the fuel is to be conveyed to the delivery unit. With the arrangement of the suction of the suction jet pump at the bottom of the fuel tank, the suction jet pump is always in the fuel and is therefore always ready for use.
- Suction jet pumps are characterized by good efficiency.
- the funding factor that is, the ratio of sum beam to propellant jet, is at least 7.
- the disadvantage here is that with the fuel line to the suction jet pump and the sum of the suction jet pump line two lines are required, which must be installed and fixed in the fuel tank.
- suction suction jet pumps which are arranged in the region of the conveyor unit.
- Suction jet pump carries a suction line in the area from which the fuel is to be conveyed.
- the suction jet pump has a special ⁇ propulsion.
- the outlet opening of the propulsion jet nozzle is designed as a slot.
- the propulsion jet is fanned out after emerging from the propulsion jet nozzle.
- the fanned out propulsion jet closes the mixing tube, whereby the necessary negative pressure is generated in order to be able to suck in the fuel via the relatively long intake line.
- the disadvantage leadership in this form from ⁇ is the low delivery factor of sucking ejector pump, which is approximately the second This low conveying factor is due to the fanning of the propulsion jet after leaving themaschinestrahldüse.
- the present invention is therefore based on the object to provide a suction suction jet pump with an improved delivery factor, the suction power is ensured even under unfavorable circumstances.
- the suction jet pump should also be simple and compact and easy to assemble.
- the object is achieved by the fact that current ⁇ downstream of the mixing tube, a baffle element is arranged.
- the conveyed medium emerging at high speed from the mixing tube is split and swirled around the region of the outlet opening of the mixing tube.
- This turbulence of the medium ensures a permanent and reliable liquid closure of the outlet opening of the mixing tube, so that a sufficient negative pressure can form in the suction jet pump, which allows the suction of the medium to be conveyed over a long distance.
- the mixing tube facing surface of the baffle element is concave or formed as a pocket.
- baffle element An equally favorable design of the baffle element is given with ribs on the mixing tube facing surface of the impact element.
- the ribs can be integrally formed on the baffle element, when the baffle element is produced by injection molding.
- the baffle element is also inexpensive to produce when it is connected by means of a latching and plug connection with the suction jet pump.
- the connection can be made both with the mixing tube and with the housing of the suction jet pump.
- baffle element is integrally connected to the suction jet pump.
- this connection is constructed as at least one web extending from the mixing tube to the impact element it ⁇ stretched.
- baffle element and suction jet pump form a unit.
- the suction jet pump can thereby be used at any location.
- the suction jet pump can promote over the upper edge in the baffle, wherein it is located in the region of the upper edge.
- an advantageous embodiment of the delivery unit is that impact element is arranged on another component of the delivery unit, in particular the swirl pot, the fuel pump, filter or pressure regulator.
- baffle element on components of the conveyor unit can by means of a latching and plug connection, by means of
- Gluing or welding or by a one-piece design on a component e.g. by spraying on the swirl pot.
- FIG. 1 shows a schematic arrangement of a conveyor unit in a fuel tank
- FIG. 3 shows a sectional view through a mixing tube of a suction jet pump with impact element, 200505191 5
- FIG. 4 shows a perspective view of a mixing tube with ⁇ impact element
- Fig. 5 the surge chamber of a conveyor unit with a
- a two chambers 2, 3 existing fuel tank 1 is shown.
- a delivery unit 4 consisting of a swirl pot 5 and a fuel pump 6 arranged therein, fixed.
- a feed line 7 the funded by the fuel pump 6 fuel is passed to an internal combustion engine, not shown.
- a suction jet pump 8 is arranged, wherein the mixing tube 9 projects into the swirl pot.
- fuel is supplied to the suction jet pump 8 from the fuel pump 6.
- a further line 11 extends from the suction jet pump 9 into the other chamber 2.
- fuel is conveyed from the chamber 2 directly into the swirl pot 5.
- a baffle 12 is arranged downstream of the suction jet pump 8.
- the suction jet pump 8 shown in FIG. 2a consists of a propulsion jet nozzle 13, a mixing tube 14 with an outlet opening 15 and the suction line 11.
- a baffle element 16 is arranged in the region of the outlet opening 15 . Its outlet 17 facing the surface 17 is concave ⁇ forms, so that the emerging from the mixing tube 14 jet is swirled through the concave surface 17 and leads to a liq ⁇ stechniksverschluß the mixing tube 14.
- a sufficient negative pressure can build up in the suction steel pump 8, is conveyed through the fuel via the intake pipe 11 from the fuel tank.
- the suction jet pump 8 illustrated in FIG. 2b differs from the pump according to FIG. 2a in the impact element 16.
- ribs 18 are integrally formed, with which the same effect as with the concave surface is produced. 200505191 6
- the mixing tube 14 of the suction jet pump 8 is provided with an outer, circumferential groove 19.
- a clip 20 is arranged, which merges into a web 21.
- the impact element 16 is integrally formed with a pocket 22.
- This the impact element 16 having clips 20 is made as a simple design molded part particularly inexpensive injection molding.
- the impact element 16 is produced in one piece with the suction jet pump 8, by being connected via webs 23 to the outlet opening 15 of the mixing tube 14.
- FIG. 5 shows a further embodiment of the delivery unit, in which the suction jet pump 8 is fastened to a cover 24 of the swirl pot 5.
- the suction jet pump 8 By means of the propulsion jet line 10, a propulsion jet from the fuel pump, not shown, the suction jet pump 8 is supplied.
- a check valve in the propulsion jet line seals it against an idling.
- the suction pipe 11 flows into the ejector pump 8.
- the drive beam passes through the blowing ⁇ jet nozzle 13 and enters the mixing tube fourteenth After leaving the mixing tube 15, the jet hits the pocket 22, causing the jet to swirl and seal the outlet opening 15.
- the pocket 22 is part of the baffle element 16, which is welded to the inner wall of the baffle 5.
- baffle 16 may also be clipped with the swirl pot 5, in particular mounted on the upper edge of the swirl pot 5 or arranged on the cover 24. Due to the caused by the baffle liquid closure of the mixing tube 14 of the propellant jet generates a much greater negative pressure, which in turn is sufficient to promote a larger amount of fuel over a relatively large distance by means of the suction pipe 11 into the sound pot 5.
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
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510014287 DE102005014287B4 (de) | 2005-03-24 | 2005-03-24 | Fördereinheit |
| PCT/EP2006/050154 WO2006100130A1 (de) | 2005-03-24 | 2006-01-11 | Fördereinheit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1861612A1 true EP1861612A1 (de) | 2007-12-05 |
| EP1861612B1 EP1861612B1 (de) | 2010-04-21 |
Family
ID=36124052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20060704229 Expired - Lifetime EP1861612B1 (de) | 2005-03-24 | 2006-01-11 | Fördereinheit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8387658B2 (de) |
| EP (1) | EP1861612B1 (de) |
| CN (1) | CN101146992B (de) |
| DE (2) | DE102005014287B4 (de) |
| WO (1) | WO2006100130A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5291250B2 (ja) * | 2010-03-31 | 2013-09-18 | 本田技研工業株式会社 | 燃料タンクシステム |
| EP3403864B1 (de) * | 2017-05-18 | 2020-01-08 | Ningbo Geely Automobile Research & Development Co., Ltd. | Kraftstoffejektoranordnung für ein fahrzeug |
| JP7267152B2 (ja) * | 2019-08-29 | 2023-05-01 | 愛三工業株式会社 | 燃料供給装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB221575A (en) | 1923-06-15 | 1924-09-15 | John Wilkinson Greig | Improved vacuum producing apparatus |
| DE1028283B (de) | 1957-02-20 | 1958-04-17 | Siemens Ag | Fluessigkeitsstrahlsauger mit Betriebsfluessigkeitsbehaelter und Luftabscheider |
| US3394655A (en) | 1966-09-19 | 1968-07-30 | Richard J. Brown | Combined centrifugal and jet type fluid pump |
| DE3719809C1 (de) | 1987-06-13 | 1988-06-09 | Daimler Benz Ag | Stautopf fuer Kraftstoffbehaelter |
| JPH0745856B2 (ja) | 1988-12-23 | 1995-05-17 | 日産自動車株式会社 | 燃料タンクの燃料吸込装置 |
| DE4336060C2 (de) * | 1993-10-22 | 2003-06-26 | Siemens Ag | Kraftstoff-Fördereinrichtung für eine Brennkraftmaschine |
| JP3552270B2 (ja) * | 1994-05-12 | 2004-08-11 | 株式会社デンソー | ジェットポンプ及び燃料供給装置 |
| FR2753658B1 (fr) * | 1996-09-26 | 1998-12-11 | Dispositif de puisage de carburant pour reservoir de vehicules automobiles | |
| DE19805072C2 (de) * | 1998-02-09 | 1999-11-11 | Bosch Gmbh Robert | Kraftstoffördermodul |
| DE19817249C1 (de) | 1998-04-18 | 1999-08-26 | Schmalz J Gmbh | Ejektor |
| DE19855433B4 (de) * | 1998-11-27 | 2005-10-06 | Siemens Ag | Saugstrahlpumpe |
| DE19856298C1 (de) * | 1998-12-07 | 2000-02-17 | Bosch Gmbh Robert | Vorrichtung zum Fördern von Kraftstoff aus einem Vorratsbehälter zur Brennkraftmaschine eines Kraftfahrzeuges |
| US6155793A (en) | 1999-06-08 | 2000-12-05 | Walbro Corporation | Recessed fuel pump module |
| DE19961923A1 (de) | 1999-12-22 | 2001-07-05 | Bosch Gmbh Robert | Kraftstofffördermodul für Kraftfahrzeuge |
| JP4013022B2 (ja) | 2000-09-13 | 2007-11-28 | 日産自動車株式会社 | ジェットポンプ |
| US6685439B1 (en) | 2002-05-15 | 2004-02-03 | Gary Harrell | Hydraulic jet pump |
| DE10229801A1 (de) | 2002-07-03 | 2004-01-22 | Ti Automotive (Neuss) Gmbh | Saugstrahlpumpe |
| DE10237050B3 (de) * | 2002-08-09 | 2004-04-15 | Siemens Ag | Saugstrahlpumpe |
| US6981490B2 (en) * | 2003-03-13 | 2006-01-03 | Denso Corporation | Fuel feed apparatus having sub tank and jet pump |
| DE10327523A1 (de) | 2003-06-17 | 2005-01-13 | Siemens Ag | Zur Montage in einem Kraftstoffbehälter vorgesehene Fördereinheit |
| HUP0400276A2 (hu) * | 2004-01-27 | 2005-10-28 | Visteon Global Technologies, Inc. | Javított indítási tulajdonságokkal rendelkező sugárszivattyú, valamint ilyennel szerelt üzemanyag-továbbító rendszer |
-
2005
- 2005-03-24 DE DE200510014287 patent/DE102005014287B4/de not_active Expired - Fee Related
-
2006
- 2006-01-11 CN CN2006800092295A patent/CN101146992B/zh not_active Expired - Lifetime
- 2006-01-11 DE DE200650006792 patent/DE502006006792D1/de not_active Expired - Lifetime
- 2006-01-11 WO PCT/EP2006/050154 patent/WO2006100130A1/de not_active Ceased
- 2006-01-11 US US11/908,735 patent/US8387658B2/en not_active Expired - Fee Related
- 2006-01-11 EP EP20060704229 patent/EP1861612B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006100130A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006100130A1 (de) | 2006-09-28 |
| US20080190495A1 (en) | 2008-08-14 |
| EP1861612B1 (de) | 2010-04-21 |
| DE102005014287A1 (de) | 2006-10-05 |
| US8387658B2 (en) | 2013-03-05 |
| DE102005014287B4 (de) | 2007-01-25 |
| CN101146992A (zh) | 2008-03-19 |
| DE502006006792D1 (de) | 2010-06-02 |
| CN101146992B (zh) | 2012-10-31 |
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