EP2146083A1 - Système d'alimentation en carburant pour un véhicule automobile - Google Patents

Système d'alimentation en carburant pour un véhicule automobile Download PDF

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Publication number
EP2146083A1
EP2146083A1 EP09100337A EP09100337A EP2146083A1 EP 2146083 A1 EP2146083 A1 EP 2146083A1 EP 09100337 A EP09100337 A EP 09100337A EP 09100337 A EP09100337 A EP 09100337A EP 2146083 A1 EP2146083 A1 EP 2146083A1
Authority
EP
European Patent Office
Prior art keywords
fuel
box
channel
sieve
delivery device
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
Application number
EP09100337A
Other languages
German (de)
English (en)
Other versions
EP2146083B1 (fr
Inventor
Jens Rauber
Klaus Ruppert
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 EP2146083A1 publication Critical patent/EP2146083A1/fr
Application granted granted Critical
Publication of EP2146083B1 publication Critical patent/EP2146083B1/fr
Active 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
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/50—Filters arranged in or on fuel tanks
    • 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

Definitions

  • the invention relates to a fuel delivery device for a motor vehicle with a delivery unit for drawing fuel from a fuel tank, with a suction line for sucking fuel from a bottom region of the fuel tank, with a fuel filter connected to the suction line, with a box arranged at the bottom of the fuel tank Fuel filter and with a connecting piece for connecting the fuel filter to the suction line, wherein the box is designed like a sieve.
  • the fuel filter connected to the suction line serves as a coarse filter for prefiltering the fuel sucked in via the suction line and is preferably arranged at the lowest point of the fuel tank.
  • the known from practice fuel filter has a closed with a bottom plate cup-shaped member as a box.
  • the bottom plate is held by a provided with projections edge of the cup-shaped member at a distance from the bottom of the fuel tank.
  • the bottom plate and the cup-shaped member are provided with a plurality of openings for the production of the coarse filter. This allows filtered through the openings filtered fuel.
  • a disadvantage of the known fuel delivery device is that the assembly of the fuel filter is very complicated.
  • the bottom and the cup-shaped component require close tolerances because they must be without gaps. A flow of unfiltered fuel between the bottom and the cup-shaped component must be avoided become. As a result, the production of the fuel filter designed very complex.
  • the invention is based on the problem of further developing a fuel delivery device of the type mentioned above so that it is particularly simple in construction and inexpensive to manufacture.
  • the box is designed to be open on one side and connected to the connecting piece channel that the box rests with its open side on the bottom of the fuel tank and that a first sieve to the box and a second sieve to the Channel is arranged and that the first sieve and the second sieve are made in one piece from plastic.
  • the fuel filter can be particularly easy to manufacture in a single step of plastic injection molding. A rework or assembly before installation in the fuel tank is avoided thanks to the invention. As a result, only one tool is required for the manufacture of the fuel filter, resulting in a particularly simple production of the fuel filter.
  • the connection of the duct to the spigot is made straight, so that the shape of the duct and the spigot is created by a cylindrical core inserted into a mold.
  • the fuel filter has a high filtering effect if the box has a plurality of first openings for producing the first screen, the channel has a plurality of second openings for producing the second screen and if the screens are arranged one behind the other in the flow direction of the fuel.
  • a particularly large filter surface on the second sieve can be according to another advantageous embodiment of the invention simply generate when the channel is disposed in a wall of a longitudinal side of the box and is closed at its end facing away from the connecting piece end.
  • the second openings could, for example, be incorporated into the channel after the fuel filter has been manufactured.
  • it contributes, according to another advantageous embodiment of the invention, when the channel on its inside facing the inside of the box has a plurality of transverse to its longest extent transverse ribs for limiting the second openings.
  • These transverse ribs can be easily manufactured in the manufacture of the fuel filter by means of a correspondingly shaped mold.
  • the channel has on its inside a plurality of parallel to its longest extension extending longitudinal ribs for limiting the second openings.
  • the longitudinal ribs can be easily generated by means of a run through the connecting piece core in the manufacture of the fuel filter. A rework after production is thereby avoided.
  • the second openings of the second screen are particularly numerous and very small in design, when the transverse ribs and the longitudinal ribs are connected to one another at crossing points.
  • the fuel filter is particularly compact according to another advantageous embodiment of the invention, when projecting from the channel receiving wall of the box a peripheral edge and when in the assembled state of the fuel filter, the peripheral edge rests on the bottom of the fuel tank. As a result, the edge holds the channel at a distance to the bottom of the fuel tank. This forms below the channel a collecting space for the prefiltered from the first filter fuel. Clogging of the second, arranged on the channel sieve is thanks to the invention kept particularly low.
  • the fuel filter can be produced in a particularly cost-effective manner from injection-molded plastic, if opposing regions of the peripheral edge are designed to be parallel or slightly pointing away from one another.
  • the connecting piece is made in one piece with the first wire and the second wire and has a Christmas tree profile for attaching the suction line.
  • FIG. 1 shows a fuel conveyor 1 for conveying fuel from a fuel tank 2 of a motor vehicle with a arranged in the fuel tank 2 conveyor unit 3.
  • the conveyor unit 3 has a arranged in a surge pot 4 fuel pump 5.
  • the fuel pump 5 sucks fuel from the swirl pot 4 and promotes this to an internal combustion engine 6 of the motor vehicle.
  • the suction pump 7 sucks fuel through a suction line 8 and promotes the sucked fuel into the swirl pot 4.
  • the suction line 8 is guided to a remote from the swirl pot 4 fuel filter 9.
  • the fuel filter 9 is biased against a bottom 10 of the fuel tank 2 and serves for prefiltering of the fuel.
  • a plurality of fuel filters 9 provided with suction lines 8 may be arranged in the fuel tank 2.
  • the delivery unit 3 has, as a rule, further filters, not shown, for the fine filtering of the fuel pumped by the fuel pump 5 to the internal combustion engine 6.
  • FIG. 2 shows in an enlarged perspective view of the fuel filter 9 from FIG. 1 ,
  • the fuel filter 9 has a protruding from a box 11 connecting piece 12.
  • the connecting piece 12 is used to connect the in FIG. 1 shown suction line 8 and has a Christmas tree profile 13.
  • the box 11 has a first screen 14 with a plurality of first openings 15.
  • FIG. 3 shows the fuel filter 9 from FIG. 2 in a sectional view along the line III - III with adjacent areas of the bottom 10 of in FIG. 1
  • a channel 17 with a second sieve 18 is arranged in one Wall 16 of the box 11 .
  • the second screen 18 has a plurality of second openings 19.
  • On the inside of the channel 17 a plurality of longitudinal ribs 20 are arranged in the longitudinal direction.
  • On the bottom 10 of the fuel tank 2 side facing the channel 17 has transverse ribs 21.
  • the transverse ribs 21 and the longitudinal ribs 20 are interconnected at their crossing points and define the second openings 19 of the second screen 18.
  • the channel 17 has a plurality of stiffening ribs 22 on.
  • FIG. 4 shows the fuel filter 9 in a view from the side of the bottom 10 of the in FIG. 1 It can be seen that the channel 17 extends over the entire length of the box 11 and is closed at its end facing away from the connecting piece 12.
  • the box 11 is designed to be open on the side facing the bottom 10 and has a peripheral edge 23 on which a part of the first openings 15 is arranged in a U-shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Hybrid Electric Vehicles (AREA)
EP09100337A 2008-07-14 2009-06-15 Système d'alimentation en carburant pour un véhicule automobile Active EP2146083B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008033057A DE102008033057A1 (de) 2008-07-14 2008-07-14 Kraftstofffördereinrichtung für ein Kraftfahrzeug

Publications (2)

Publication Number Publication Date
EP2146083A1 true EP2146083A1 (fr) 2010-01-20
EP2146083B1 EP2146083B1 (fr) 2011-02-23

Family

ID=41217793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09100337A Active EP2146083B1 (fr) 2008-07-14 2009-06-15 Système d'alimentation en carburant pour un véhicule automobile

Country Status (5)

Country Link
EP (1) EP2146083B1 (fr)
AT (1) ATE499521T1 (fr)
BR (1) BRPI0904854B8 (fr)
DE (2) DE102008033057A1 (fr)
ES (1) ES2360754T3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609905A1 (de) * 1986-03-24 1987-10-01 Alois Ferch Filter fuer kraftstoffe
DE4236490C1 (de) * 1992-10-29 1994-05-19 Stihl Maschf Andreas Saugkopf
US6807952B1 (en) * 2003-07-22 2004-10-26 Ti Group Automotive Systems, L.L.C. Fuel tank and fuel flow control device
WO2005085623A1 (fr) * 2004-03-03 2005-09-15 Siemens Aktiengesellschaft Unite d'acheminement
DE102007018357A1 (de) * 2006-04-27 2007-10-31 Aisan Kogyo K.K., Obu Kraftstoffzufuhreinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618649A1 (de) * 1996-05-09 1997-11-13 Bosch Gmbh Robert Kraftstoffördereinrichtung eines Kraftfahrzeuges
JP4215679B2 (ja) * 2004-04-16 2009-01-28 株式会社ミツバ ウォッシャポンプに用いるフィルタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609905A1 (de) * 1986-03-24 1987-10-01 Alois Ferch Filter fuer kraftstoffe
DE4236490C1 (de) * 1992-10-29 1994-05-19 Stihl Maschf Andreas Saugkopf
US6807952B1 (en) * 2003-07-22 2004-10-26 Ti Group Automotive Systems, L.L.C. Fuel tank and fuel flow control device
WO2005085623A1 (fr) * 2004-03-03 2005-09-15 Siemens Aktiengesellschaft Unite d'acheminement
DE102007018357A1 (de) * 2006-04-27 2007-10-31 Aisan Kogyo K.K., Obu Kraftstoffzufuhreinrichtung

Also Published As

Publication number Publication date
DE502009000391D1 (de) 2011-04-07
ATE499521T1 (de) 2011-03-15
BRPI0904854A2 (pt) 2011-02-08
ES2360754T3 (es) 2011-06-08
EP2146083B1 (fr) 2011-02-23
BRPI0904854B8 (pt) 2023-01-17
BRPI0904854B1 (pt) 2020-02-11
DE102008033057A1 (de) 2010-01-21

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