EP1861612B1 - Unité de transport - Google Patents

Unité de transport Download PDF

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Publication number
EP1861612B1
EP1861612B1 EP20060704229 EP06704229A EP1861612B1 EP 1861612 B1 EP1861612 B1 EP 1861612B1 EP 20060704229 EP20060704229 EP 20060704229 EP 06704229 A EP06704229 A EP 06704229A EP 1861612 B1 EP1861612 B1 EP 1861612B1
Authority
EP
European Patent Office
Prior art keywords
suction
baffle
fuel
pump
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.)
Ceased
Application number
EP20060704229
Other languages
German (de)
English (en)
Other versions
EP1861612A1 (fr
Inventor
Klaus Markefka
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
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
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1861612A1 publication Critical patent/EP1861612A1/fr
Application granted granted Critical
Publication of EP1861612B1 publication Critical patent/EP1861612B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M37/04—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 swirl pot fuel pump and a pump in the swirl pot promotional ejector, wherein the ejector consists of a propulsion jet nozzle with a nozzle opening, a mixing tube, a suction port, a suction line connected thereto.
  • 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. From the suction jet pump leads a suction line in the area from which the fuel is to be conveyed. To generate the necessary negative pressure in the suction line, the suction jet pump has a special jet nozzle.
  • 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 disadvantage of this embodiment is the low delivery factor of the suction suction jet pump, which is approximately at 2. This low conveying factor is due to the fanning of the propulsion jet after leaving themaschinedüse.
  • 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 conveyed medium emerging at high speed from the mixing tube is split and swirled in 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.
  • baffle element is integrally connected to the suction jet pump.
  • this connection is formed as at least one web which extends from the mixing tube to the baffle element.
  • 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 costs for the production of the concave surface or the ribs can be reduced if they are arranged in the region of the outlet opening of the mixing tube.
  • 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.
  • Fig. 1 is 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.
  • suction jet pump 8 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.
  • Whose outlet opening 15 facing surface 17 is concave, so that the emerging from the mixing tube 14 jet is swirled through the concave surface 17 and leads to a liquid closure of 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.
  • suction jet pump 8 differs from the pump according to FIG. 2a in the baffle 16. Ribs 18 are integrally formed on the baffle 16, with which the same effect as with the concave surface is produced.
  • 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 made 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 non-inventive embodiment of the conveyor unit, in which the suction jet pump 8 is fixed to a cover 24 of the swirl pot 5.
  • the propulsion jet line 10 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 intake line 11 opens into the suction jet pump 8.
  • the propulsion jet exits through the propulsion jet nozzle 13 and into the mixing tube 14. After leaving the mixing tube 14, 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 in the swirl 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)

Claims (4)

  1. Unité d'alimentation comportant un pot de compensation (5), une pompe à carburant (6) montée dans le pot de compensation (5) et une pompe à jet aspirant (8) qui alimente le pot de compensation en carburant, où la pompe à jet aspirant (8) se compose d'un gicleur (13) à jet de fluide moteur avec un bec de gicleur, un tube mélangeur (14), comportant une ouverture de sortie (15), une ouverture d'aspiration, une conduite d'aspiration (11) qui est raccordée à l'ouverture d'aspiration et où est placé, en aval de la pompe à jet aspirant (8), un organe de rebondissement (16), caractérisée par le fait que l'organe de rebondissement (16) est ménagé en une seule pièce avec la pompe à jet aspirant (8) sur au moins une traverse (23).
  2. Unité d'alimentation selon la revendication 1, caractérisée par le fait que la surface supérieure (17) de l'organe de rebondissement (16) tournée vers le tube mélangeur (14) est concave.
  3. Unité d'alimentation selon la revendication 1, caractérisée par le fait que la surface supérieure de l'organe de rebondissement (16) tournée vers le tube mélangeur (14) comporte des nervures (18).
  4. Unité d'alimentation selon la revendication 3, caractérisée par le fait que les nervures (18) sont ménagées en une seule pièce sur l'organe de rebondissement (16).
EP20060704229 2005-03-24 2006-01-11 Unité de transport Ceased EP1861612B1 (fr)

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 (fr) 2005-03-24 2006-01-11 Unité de transport

Publications (2)

Publication Number Publication Date
EP1861612A1 EP1861612A1 (fr) 2007-12-05
EP1861612B1 true EP1861612B1 (fr) 2010-04-21

Family

ID=36124052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060704229 Ceased EP1861612B1 (fr) 2005-03-24 2006-01-11 Unité de transport

Country Status (5)

Country Link
US (1) US8387658B2 (fr)
EP (1) EP1861612B1 (fr)
CN (1) CN101146992B (fr)
DE (2) DE102005014287B4 (fr)
WO (1) WO2006100130A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955545B2 (en) * 2010-03-31 2015-02-17 Honda Motor Co., Ltd. Fuel tank system
EP3403864B1 (fr) * 2017-05-18 2020-01-08 Ningbo Geely Automobile Research & Development Co., Ltd. Ensemble éjecteur de carburant pour un véhicule
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US8387658B2 (en) 2013-03-05
CN101146992A (zh) 2008-03-19
WO2006100130A1 (fr) 2006-09-28
EP1861612A1 (fr) 2007-12-05
DE502006006792D1 (de) 2010-06-02
DE102005014287A1 (de) 2006-10-05
DE102005014287B4 (de) 2007-01-25
US20080190495A1 (en) 2008-08-14
CN101146992B (zh) 2012-10-31

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