EP1934464B1 - Fördereinheit - Google Patents

Fördereinheit Download PDF

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Publication number
EP1934464B1
EP1934464B1 EP06806793A EP06806793A EP1934464B1 EP 1934464 B1 EP1934464 B1 EP 1934464B1 EP 06806793 A EP06806793 A EP 06806793A EP 06806793 A EP06806793 A EP 06806793A EP 1934464 B1 EP1934464 B1 EP 1934464B1
Authority
EP
European Patent Office
Prior art keywords
rods
pump
fuel pump
feed unit
surge chamber
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.)
Expired - Fee Related
Application number
EP06806793A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1934464A1 (de
Inventor
Karl Eck
Dieter Hagist
Matthias Kadler
Martin Maasz
Oliver Schönert
Michael Teichert
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 EP1934464A1 publication Critical patent/EP1934464A1/de
Application granted granted Critical
Publication of EP1934464B1 publication Critical patent/EP1934464B1/de
Expired - Fee Related 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
    • F02M37/04—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
    • F02M37/103—Mounting pumps on fuel tanks

Definitions

  • the invention relates to a conveyor unit with a swirl pot, arranged in the swirl pot fuel pump and a pump holder, wherein the fuel pump is arranged in the pump holder and the pump holder is mounted in the swirl pot.
  • delivery units are used for conveying fuel from the fuel tank of a motor vehicle to an internal combustion engine of the motor vehicle.
  • Conveyor units of the type mentioned are known for a long time prior art.
  • the pump holder of a conveyor unit serves on the one hand the stationary arrangement of the fuel pump in the swirl pot, on the other hand he has the task of the fuel pump to dampen vibrations, and to prevent their transfer to the swirl pot. In this way unwanted noise can be reduced.
  • the fuel pump numerous pump holders are known which have a first receptacle for mounting the fuel pump and a second receptacle for mounting the pump holder on the swirl pot.
  • the two recordings are connected to an intermediate damping element, which has the task of preventing the transmission of the vibrations from the first receptacle to the second receptacle.
  • the damping element is usually an elastic member, which receives its elasticity by the choice of material, preferably rubber, or by its design, preferably helical or meandering.
  • a disadvantage of these pump holders is the relatively complex shape design, so that their production is associated with considerable costs.
  • Such a device for receiving a fuel pump is known.
  • the device consists of a holding part, which has a number of one-piece molded components such as a flange, first and second coupling elements, a ring portion and a receptacle with a projection.
  • the present invention is therefore an object of the invention to provide a conveyor unit, which is simple and therefore it is inexpensive.
  • the delivery unit should also be suitable for different pump types.
  • the object is achieved in that the pump holder has at least two rods which are fixed in the swirl pot, and that the rods are connected to a receptacle for the fuel pump.
  • the delivery unit is characterized by the use of the rods in the pump holder by a very simple structure.
  • the pump holder is easy to produce, whereby the conveyor unit is cheaper.
  • elements have been found which, on the one hand, due to their structure, on the one hand have sufficient strength to act as fastening means and, on the other hand, have sufficient elasticity to dampen vibrations.
  • the vibrations generated by the fuel pump are effectively decoupled from the swirl pot.
  • a particularly good decoupling of the baffle from the vibrations of the fuel pump is achieved with rods which are arranged axially parallel to the axial extent of the fuel pump and wherein the length of the rods between the receptacle and the bottom of the baffle corresponds approximately to the length of the fuel pump.
  • the rods extend from the bottom of the swirl pot into the area of the connection piece of the fuel pump.
  • the length of the rods between the receptacle and the bottom of the surge pot can be reduced, so that the fuel pump is not centered in the region of the connector, but based on their axial extent ,
  • a particularly simple attachment of the rods in the bottom of the swirl pot is achieved by means of a plug connection, in particular via a press fit.
  • a particularly strong connection between the rods and the swirl pot is achieved with a material connection, preferably by welding.
  • connection of the rods with the recording takes place in a further embodiment in a particularly simple manner by means of a plug connection.
  • the pump holder is adaptable with little effort to different fuel pumps, in particular pump lengths, when the diameter of the rods, starting at the end facing away from the bottom of the swirl pot, gradually or continuously increases.
  • appropriately shaped diameter of the recording can thus arrange the recording at desired heights to the bars.
  • the advantage here is that the rods do not have to be adapted separately to the different fuel pumps. Rather, a bar size can be used for all variants.
  • An assembly of the rods with the recording can also be avoided by the one-piece design of the rods with the inclusion of another embodiment.
  • the recording has a very simple structure, if it has a small extent in the axial extent. If the rods are formed into the region of the connection piece of the fuel pump, the fuel pump is mounted with such a receptacle in the region of the connecting piece. Due to the design of the fuel pump, it may be necessary to store the fuel pump in the middle or at the opposite end in the pumping stage. In order nevertheless to achieve a sufficient decoupling of the surge pot from the vibrations of the fuel pump, it has been found to be advantageous to use a cup-shaped receptacle and rods of sufficient length. With this configuration, the length of the bars can be kept unchanged. The adaptation of the pump holder to the storage point of the fuel pump in the receptacle is now achieved over the length of the pot-shaped configuration of the recording.
  • conveyor unit consists of a swirl pot 1 in which a fuel pump 2 is arranged.
  • the fuel pump 2 is mounted in a pump holder 3 and connected via this with the bottom 4 of the swirl pot 1.
  • the pump holder 3 consists of a receptacle 5 and three rods 6.
  • the rods 6 are pressed into recesses of the bottom 4, wherein they penetrate a pump pre-filter 8.
  • the rods 6 extend axially parallel to the fuel pump 2 up to the height of the connecting piece 7, where they are pressed with their ends facing away from the bottom 4 in recesses of the receptacle 5.
  • the receptacle 5 of the pump holder 3 is limited with respect to its axial extent to the connecting piece 7 of the fuel pump 2.
  • a fuel pump 2 is arranged.
  • the fuel pump 2 is mounted in the receptacle 5 of a pump holder 3, wherein the receptacle 5 is cup-shaped, so that it receives almost the entire fuel pump 2.
  • the upper end 9 of the receptacle 5 extends into the region of the connecting piece 7 of the fuel pump 2.
  • connecting points 10 are formed, in which the three rods 6 are pressed. With their other end, the rods 6 are connected to the bottom 4 of the swirl pot 1.
  • a pump pre-filter 8 is arranged, penetrate the rods 6. Due to the fact that the rods 6 are guided into the region of the connecting piece 7 of the fuel pump 2, they have with their length sufficient elasticity to effectively decouple vibrations of the fuel pump 2 with respect to the swirl pot 1 ,
  • the in FIG. 3 shown rod 6 of a pump holder 3 has a plurality of regions 11 of different diameters, wherein the diameter of the regions 11 increase from top to bottom stepwise.
  • the transitions between two areas 11 form rest stops 12, in which the connection points 10 can be stored.
  • the receptacle 5 can be arranged at different heights to the bottom 4 of the swirl pot 1.
  • Such a trained rod 6 of a pump holder 3 can thus be used for various applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP06806793A 2005-09-30 2006-09-21 Fördereinheit Expired - Fee Related EP1934464B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005047546A DE102005047546B3 (de) 2005-09-30 2005-09-30 Fördereinheit
PCT/EP2006/066593 WO2007036484A1 (de) 2005-09-30 2006-09-21 Fördereinheit

Publications (2)

Publication Number Publication Date
EP1934464A1 EP1934464A1 (de) 2008-06-25
EP1934464B1 true EP1934464B1 (de) 2010-08-18

Family

ID=37496074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06806793A Expired - Fee Related EP1934464B1 (de) 2005-09-30 2006-09-21 Fördereinheit

Country Status (6)

Country Link
US (1) US7806108B2 (ja)
EP (1) EP1934464B1 (ja)
JP (1) JP4819901B2 (ja)
CN (1) CN101287902B (ja)
DE (2) DE102005047546B3 (ja)
WO (1) WO2007036484A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006003420B4 (de) * 2006-01-24 2008-02-14 Siemens Ag Fördereinheit
FR2935289B1 (fr) * 2008-09-01 2013-02-22 Inergy Automotive Systems Res Procede pour la fabrication d'un reservoir a carburant en matiere plastique plastique muni d'une pompe.
US8372278B1 (en) * 2012-03-21 2013-02-12 GM Global Technology Operations LLC Liquid fuel strainer assembly
US9279420B2 (en) 2013-05-31 2016-03-08 Intellectual Property Holdings, Llc Natural gas compressor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139528A (ja) 1983-12-27 1985-07-24 Nissan Motor Co Ltd 燃料タンクの内部機能部品取付構造
US4694857A (en) * 1986-03-31 1987-09-22 Stant Inc. Fuel sender unit
US4945884A (en) * 1989-10-24 1990-08-07 General Motors Corporation Modular fuel delivery system
DE19534411B4 (de) * 1995-09-16 2005-09-08 Robert Bosch Gmbh Vorrichtung zur Aufnahme eines Kraftstoffaggregats innerhalb eines Kraftstoffbehälters
DE19733949C1 (de) * 1997-08-06 1999-01-21 Mannesmann Vdo Ag Kraftstoffversorgungssystem
US6216908B1 (en) * 1999-04-29 2001-04-17 Daimlerchrysler Corporation Pivotal fuel sending unit
JP2002295327A (ja) * 2001-03-28 2002-10-09 Denso Corp 燃料供給装置
DE10335045A1 (de) * 2003-08-01 2005-05-19 Siemens Ag Fördereinheit
DE602004005413T2 (de) * 2003-11-17 2007-12-06 Siemens Vdo Automotive Corporation, Auburn Hills Führungsstruktur zur Pumpe-Filtergehäusebefestigung in einem Brennkraftstoffmodul
DE10356061B4 (de) 2003-12-01 2009-04-02 Continental Automotive Gmbh Vorrichtung zur Halterung einer Kraftstoffpumpe in einem Kraftstoffbehälter
JP4179179B2 (ja) * 2004-02-03 2008-11-12 株式会社デンソー 燃料供給装置
JP4075065B2 (ja) * 2004-02-09 2008-04-16 株式会社デンソー 燃料供給装置
US7237538B2 (en) * 2005-09-09 2007-07-03 Ti Automotive Fuel Systems Sas Modular fuel delivery assembly

Also Published As

Publication number Publication date
DE502006007704D1 (de) 2010-09-30
CN101287902B (zh) 2011-03-16
JP2009510313A (ja) 2009-03-12
US7806108B2 (en) 2010-10-05
WO2007036484A1 (de) 2007-04-05
US20080308071A1 (en) 2008-12-18
EP1934464A1 (de) 2008-06-25
CN101287902A (zh) 2008-10-15
JP4819901B2 (ja) 2011-11-24
DE102005047546B3 (de) 2007-02-08

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