EP1861625A1 - Saugstrahlpumpe - Google Patents
SaugstrahlpumpeInfo
- Publication number
- EP1861625A1 EP1861625A1 EP06704618A EP06704618A EP1861625A1 EP 1861625 A1 EP1861625 A1 EP 1861625A1 EP 06704618 A EP06704618 A EP 06704618A EP 06704618 A EP06704618 A EP 06704618A EP 1861625 A1 EP1861625 A1 EP 1861625A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pot
- jet pump
- suction
- suction jet
- mixing tube
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/464—Arrangements of nozzles with inversion of the direction of flow
-
- 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
- Y10T137/86348—Tank with internally extending flow guide, pipe or conduit
Definitions
- the invention relates to a suction jet pump with amaschinestrahldüse, a mixing tube, a suction port, a suction line connected thereto and a pot in which at least a portion of the mixing tube is arranged.
- the suction ⁇ jet pump is used to convey fuel within a fuel tank or from a fuel tank in a swirl pot, which is disposed within the fuel tank.
- 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. Such suction jet pumps are characterized by a good efficiency out.
- the conveying factor that is to say the ratio of the total jet to the propellant jet, is at least 7.
- the disadvantage here is that with the blowing agent line to the suction jet pump and the sum line from the suction jet pump two lines are required, which must be routed and fastened in the fuel tank.
- suction suction jet pumps which are arranged in the region of the conveyor unit. From the suction jet pump leads 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.
- a suction jet pump which is arranged with the outlet end of the mixing tube in a pot, so that the pumping medium located in the pot seals the mixing tube end against the atmosphere. Through this liquid closure, a negative pressure will be generated at the mixing tube inlet, which contributes to the improvement of the suction power.
- the suction power is not reached, which suggests that the liquid closure of the mixing tube outlet is not always guaranteed. This can be caused, for example, by the fact that there is too little amount of the pumped liquid in the pot.
- 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 in that the bottom of the pot has a deviating from a plane surface shape.
- the conveyed medium emerging at high speed from the mixing tube is split or swirled.
- This turbulence of the medium ensures a permanent and reliable liquid seal of the projecting into the pot outlet opening of the mixing tube, so that in the ejector a suffi ⁇ chender vacuum forming can, which allows the suction of the medium to be conveyed over a long distance.
- the deviating from a plane surface shape is a depression in the form of a trough or pocket in the bottom region of the pot.
- the pot bottom is given with arranged on the bottom of the pot ribs.
- the ribs can be integrally formed on the bottom of the pot, when the pot is made by injection molding.
- the costs for the production of the recess or the ribs can be reduced if they are arranged in the region of the outlet opening of the mixing tube.
- the deviating from a plane surface shape is a funnel-shaped bottom surface which extends over the entire bottom portion.
- the pot is connected in a further embodiment with the suction jet pump.
- the pot may be formed integrally with the jet pump suction ⁇ , preferably at the mixing tube to be formed.
- the production of the suction jet pump according to the invention is particularly simple if the pot is connected by means of a latching or plug connection with the suction jet pump. In this way, the pot forms a unit with the suction jet pump.
- the suction jet pump can thereby be used at any location.
- pot and suction jet pump designed advantageous if both the suction jet pump and the pot latching or plug-in elements, which engage with each other, are present.
- the pot and the suction jet pump can be connected in a particularly simple manner if the pot has a groove into which a spring formed on the mixing tube engages.
- the suction jet pump can convey over the upper edge into the baffle, wherein it is advantageously arranged in the region of the upper edge.
- the previously intended intake opening in the bottom of the swirl pot is no longer necessary. This also eliminates the valve in the bottom region of the baffle pot, which closes the opening caused by the suction jet pump when the suction jet pump is not in operation.
- the device according to the invention is particularly simple if the pot is formed by another component or integrated in this component.
- the pot can be arranged on the swirl pot.
- the pot is here either formed on the swirl pot or it is attached to the swirl pot.
- the swirl pot used in this case is particularly simple, if a part of the soil is divided, so that this divided area forming the pot.
- the swirl pot can have on its outer wall an Anformung, which forms the pot for the suction jet pump.
- the advantage of these embodiments is that only the suction jet pump must be mounted.
- FIG. 1 a schematic arrangement of the suction ⁇ jet pump in a fuel tank
- Fig. 2 the enlarged view of the suction jet pump according to Figure 1
- Fig. 3 a, b the suction jet pump according to Figure 2
- Fig. 4, 5 different attachment of the suction jet pump to the pot and
- Fig. 6 the arrangement of the suction jet pump on a swirl pot.
- 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. Via a feed line 7, the funded by the fuel pump 6 fuel is passed to an internal combustion engine, not shown.
- a pot 8 is attached on the outer wall of the swirl pot 5, a pot 8 is attached.
- a suction jet pump 9 is arranged to the pot 8, that the mixing tube 10 projects into the pot.
- fuel is supplied to the suction jet pump 9 from the fuel pump 6.
- Another line 12 extends from the suction jet pump 9 into the other chamber 2. Via the line 12, fuel is conveyed from the chamber 2 directly into the swirl pot 5.
- the suction jet pump 9 shown in Figure 2 consists of a propulsion jet nozzle 13, a mixing tube 14, the suction pipe 12 and a pot 8, wherein the pot 8 formed as a lid on Upper edge of the surge pot 5 is arranged. In this case, the pot 8 can also be arranged as a separate component on a capless swirl pot 5.
- a propulsion jet of the suction jet pump 9 is supplied.
- a check valve in the propulsion jet line seals it against an idling.
- the propulsion jet exits through the propulsion jet nozzle 13 and into the mixing tube 14. In the region of the propulsion jet nozzle 13, the suction line 11 opens into the suction ⁇ jet pump 9.
- the suction jet pump 9 is arranged perpendicular to the axial extent of the mixing tube 14. Furthermore, the suction jet pump 9 is arranged to the pot 8, that the outlet opening 15 of the mixing tube 14 is immersed in the pot 8.
- the propellant jet passes from the propulsion jet nozzle 13 via the mixing tube 14 into the pot 8.
- the pot 8 has a bottom 16 with a pocket 17. Upon impinging the jet on the pocket 17, the jet is swirled, thereby sealing the outlet opening 15 and it to a liquid closure in the mixing tube 14 and thus in the suction jet pump 9 comes. Due to the now complete 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 pot 8.
- the suction jet pump 9 with the pot 8 in Figure 3a differs from the embodiment of Figure 2 only in the bottom region of the pot 8.
- the bottom portion has one piece on the pot 8 on ⁇ shaped ribs 18. These ribs 18 have the same effect as the pocket 17 in FIG. 2. Through them, the jet is swirled in such a way that the liquid closure of the outlet opening 15 of the mixing tube 14 comes about.
- Both the pocket 17 in Figure 2 and the ribs are each formed only in the region of the mixing tube 14 and not over the entire bottom portion.
- Figure 3b shows a pot 8 with a funnel-shaped bottom surface 19, which extends over the entire bottom region.
- the suction jet pump 9 shown in Fig. 4 is connected to the pot 8 via a plug connection.
- a spring 20 is formed, while the inner wall of the pot 8 has a groove 21 at one point.
- the spring 20 is inserted into the groove 21.
- the suction jet pump 9 is positioned to the pot 8.
- Fig. 5 shows a further embodiment of the attachments of the suction jet pump 9 on the pot 8.
- locking elements in the form of locking hooks 22 are formed in the region of the outlet opening, which with appropriately trained resting points 23, the pot
- the pot 8 is not a separate component, but part of the swirl pot 5 of the conveyor unit 4.
- a wall 25 is formed, which forms the pot 8 together with the wall 26 of the swirl pot 5 ,
- the mixing tube 14 protrudes with its off ⁇ outlet opening 16 in the pot 8 inside.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510014431 DE102005014431B3 (de) | 2005-03-24 | 2005-03-24 | Saugstrahlpumpe |
| PCT/EP2006/050111 WO2006100129A1 (de) | 2005-03-24 | 2006-01-10 | Saugstrahlpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1861625A1 true EP1861625A1 (de) | 2007-12-05 |
| EP1861625B1 EP1861625B1 (de) | 2015-10-21 |
Family
ID=35929782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06704618.5A Expired - Lifetime EP1861625B1 (de) | 2005-03-24 | 2006-01-10 | Saugstrahlpumpe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8408880B2 (de) |
| EP (1) | EP1861625B1 (de) |
| CN (1) | CN101147004B (de) |
| DE (1) | DE102005014431B3 (de) |
| WO (1) | WO2006100129A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013001389B4 (de) * | 2013-01-25 | 2015-10-29 | A. Kayser Automotive Systems Gmbh | Kurbelgehäuseentlüftung für eine Brennkraftmaschine, Tankentlüftungsleitung und Verbindungssytem hierfür |
| DE102016217800B4 (de) * | 2016-09-16 | 2021-12-23 | Vitesco Technologies GmbH | Fluidfördervorrichtung |
| CN107023269A (zh) * | 2017-05-03 | 2017-08-08 | 中国石油天然气集团公司 | 负压强抽清淤装置 |
| US20190030383A1 (en) * | 2017-07-28 | 2019-01-31 | Richard Bovensiep | Foam delivery system |
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 DE200510014431 patent/DE102005014431B3/de not_active Expired - Fee Related
-
2006
- 2006-01-10 CN CN2006800092308A patent/CN101147004B/zh not_active Expired - Lifetime
- 2006-01-10 WO PCT/EP2006/050111 patent/WO2006100129A1/de not_active Ceased
- 2006-01-10 EP EP06704618.5A patent/EP1861625B1/de not_active Expired - Lifetime
- 2006-01-10 US US11/908,745 patent/US8408880B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006100129A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US8408880B2 (en) | 2013-04-02 |
| US20080193300A1 (en) | 2008-08-14 |
| DE102005014431B3 (de) | 2006-08-03 |
| CN101147004A (zh) | 2008-03-19 |
| EP1861625B1 (de) | 2015-10-21 |
| WO2006100129A1 (de) | 2006-09-28 |
| CN101147004B (zh) | 2011-07-06 |
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