EP1414665A1 - Systeme d'alimentation en carburant pour un vehicule automobile - Google Patents

Systeme d'alimentation en carburant pour un vehicule automobile

Info

Publication number
EP1414665A1
EP1414665A1 EP02742717A EP02742717A EP1414665A1 EP 1414665 A1 EP1414665 A1 EP 1414665A1 EP 02742717 A EP02742717 A EP 02742717A EP 02742717 A EP02742717 A EP 02742717A EP 1414665 A1 EP1414665 A1 EP 1414665A1
Authority
EP
European Patent Office
Prior art keywords
filter
fuel
supply device
storage container
fuel supply
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.)
Withdrawn
Application number
EP02742717A
Other languages
German (de)
English (en)
Inventor
Alfonso Baz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1414665A1 publication Critical patent/EP1414665A1/fr
Withdrawn legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • 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
    • F02M37/44—Filters structurally associated with pumps
    • 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

Definitions

  • the invention is based on one
  • Fuel supply device for a motor vehicle according to the preamble of claim 1.
  • Such a fuel supply device is known from DE 197 09 780 AI.
  • This fuel supply device has a fuel storage container, in which a cup-shaped storage container is arranged.
  • a delivery unit is arranged in the storage tank, which draws fuel from the storage tank and delivers it to an internal combustion engine of the motor vehicle.
  • a filter is arranged in the storage container, through which the fuel delivered to the internal combustion engine by the delivery unit flows.
  • the filter is arranged coaxially with the conveyor unit and surrounds it over its entire circumference.
  • the filter should have the largest possible filter area in order to achieve a long service life with a sufficient filter effect.
  • the storage container is small in cross section, it is difficult to accommodate a filter with a sufficiently large filter area in it.
  • the fuel supply device with the features according to claim 1 has the advantage that a filter with a sufficiently large filter area can be arranged in the storage container even with a storage container with a relatively small cross section.
  • FIG. 2 shows a storage container of the fuel supply device in a cross section
  • FIG. 3 shows a detail of a filter of the fuel supply device enlarged in a longitudinal section.
  • the motor vehicle has an internal combustion engine 10 with an injection system, through which fuel is injected into the cylinders of the internal combustion engine.
  • the fuel supply device has a fuel reservoir 12 in which a cup-shaped Storage container 14 is arranged, which sits on the bottom 11 of the fuel tank 12-.
  • the storage container 14 has a significantly smaller volume than the fuel storage container 12.
  • Fuel storage container 12 has an opening 13 in its upper wall through which the storage container 14 can be inserted into the fuel storage container 12.
  • the fuel supply device also has a delivery unit 16, with an electric motor 18 as a drive and a pump part 20 driven thereby.
  • the electric motor 16 and the pump part 20 are arranged in a common cylindrical housing 22.
  • the conveying unit 16 is arranged upright in the storage container 14, the pump part 20 being arranged at the bottom and the electric motor 18 at the top.
  • the conveying unit 16 is fastened, for example, in the storage container 14 in the usual and therefore not shown in detail.
  • the delivery unit 16 delivers fuel from the storage container 14 to the injection system of the internal combustion engine 10.
  • a filter 24 is arranged in the storage container 14 next to the delivery unit 16, the filter being kidney-shaped in cross-section as shown in FIG. 2 and surrounding the cylindrical delivery unit 16 in its outer contour on a part of its circumference.
  • the filter 24 is flowed through by the fuel delivered by the delivery unit 16 to the injection system of the internal combustion engine 10.
  • the filter 24 extends over an angle ⁇ of approximately 50 ° to 90 °, preferably approximately 70 °, around the conveying unit 16 —on the longitudinal axis thereof.
  • the filter 24 has a cup-shaped housing 26 in which a filter insert 28 is arranged, which is folded in a star shape.
  • the angle refers to the center of the in Circumferential direction of the curved edges of the filter 24.
  • the housing 26 of the filter 24 is preferably made of plastic and is produced by injection molding.
  • a connection piece 30 is formed, to which a line 32 is connected, for example in the form of a hose, which on the other hand is connected to the outlet of the delivery unit 16.
  • the filter insert 28 has at its lower end a cover 34 which is tightly connected to this and which consists of plastic, in particular polyamide.
  • the cover 34 can be molded onto the filter insert 28 by injection molding.
  • the housing 26 of the filter 24 is sealed on its upper side with a cover 36.
  • the cover 36 is preferably made of plastic.
  • the lid 36 has on its underside facing the inside of the housing 26 an annular recess 38, into which the filter insert 28 dips with its upper edge.
  • the filter insert 28 is fastened in its upper edge in the recess 38, for example by means of a press or shrink connection and / or by means of adhesive 40.
  • a web 42 which coaxially surrounds the recess 38 and projects downward
  • the housing 26 has at its upper end a circumferential flange 44 with an upwardly open annular groove 46.
  • the web 42 of the cover 36 dips into the annular groove 46 and is in this by means of adhesive or by means of a welded connection, in particular one
  • Ultrasonic welded connection whereby the housing 26 and the lid 36 are tightly connected.
  • an outlet opening 48 is provided within the contour of the recess 38, which can be bent in a kidney shape in accordance with the cross-sectional shape of the filter 24.
  • the housing 26 of the filter 24 is fastened to the storage container 14 as shown in FIG. 1, for example by means of one or more holding clips 50.
  • the holding clips 50 are arranged, for example, on the upper edge of the housing 26 and overlap the upper edge of the storage container 14.
  • the filter 24 becomes inserted into the top of the storage container 14, the retaining clips 50 of which overlap the edge of the storage container 14.
  • the retaining clips 50 can be secured to the storage container 14 by means of a snap-in connection.
  • Fuel delivered by the delivery unit 16 passes through the line 32 and the connection piece 30 into the filter 24, flows through the filter insert 28 radially inward and exits cleaned through the outlet opening 48 and continues to the injection system of the internal combustion engine 10.
  • the filter housing 26 of the filter 24 is fastened to a closure element 52 closing the opening 13 of the fuel reservoir 12.
  • the closure element 52 can, like the lid 36 described above, have an annular recess on its inside facing the inside of the fuel tank 12, into which the filter insert 28 is immersed and fastened with its upper edge.
  • the housing 26 of the filter 24 is connected to the closure element 52 via its flange 44. An additional attachment of the housing 26 of the filter 24 to the storage container 14 can be omitted.
  • the closure element 52 can also serve to fix the storage container 14 in the fuel reservoir 12.
  • the retaining clips 50 are also not required.
  • a jet pump 54 is arranged on the bottom 15 of the storage container 14, as shown in FIG. 1, through which fuel flows from the fuel storage container 12 into the Storage container 14 is promoted.
  • the jet pump 54 delivers fuel into the storage tank 14 via a riser 55 that opens near the upper edge of the storage container 14.
  • the propellant quantity required for the operation of the jet pump 54 can be branched off, for example, from the outlet of the delivery unit 16.
  • a return flow from the injection system into the fuel storage container 12, through which fuel conveyed by the delivery unit 16 and not used by the internal combustion engine 10 is returned, can be supplied to the jet pump 54 as the propellant quantity.
  • a pressure regulator 56 is arranged in the area of the fuel reservoir 12, for example within the fuel reservoir 12 or on the closure element 52, by means of which the pressure of the fuel supplied to the injection system of the internal combustion engine 10 is regulated.
  • the pressure regulator 56 has a return 58, through which the fuel which is controlled by the pressure regulator 56 returns to the fuel reservoir 12, which can be supplied to the jet pump 54 as the propellant quantity.
  • a check valve 60 may be disposed "which allows an inflow of fuel from the fuel tank 12 into the storage tank 14, however, a leakage of fuel from the storage container 14 prevents the fuel tank 12 when the level in the fuel tank 12 is less than in the storage container 14.
  • the check valve 60 enables the storage container 14 to be filled when the fuel reservoir 12 is filled during refueling.
  • the filter 24 can be arranged, for example, above the check valve 60 in the storage container 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un système d'alimentation en carburant présentant un réservoir de stockage (12) de carburant, dans lequel est agencé un réservoir accumulateur (14) en forme de creuset, dans lequel une unité de refoulement (16) refoule du carburant depuis le réservoir accumulateur (14) jusqu'à un moteur à combustion interne (10) du véhicule automobile. Selon la présente invention, un filtre (24), enveloppant ladite unité de refoulement (16) sur au moins une partie de sa périphérie, est agencé dans ce réservoir accumulateur (14), lequel filtre est traversé par le carburant refoulé par l'unité de refoulement (16) jusqu'au moteur à combustion interne (10). Ce filtre (24), qui est installé dans le réservoir accumulateur (14) à côté de l'unité de refoulement (16), est courbé, de section transversale réniforme et enveloppe l'unité d'acheminement (16) sur une partie de sa périphérie. Ce filtre (24) présente en outre un élément filtrant (28) plié en étoile.
EP02742717A 2001-07-26 2002-05-07 Systeme d'alimentation en carburant pour un vehicule automobile Withdrawn EP1414665A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10136437 2001-07-26
DE10136437A DE10136437A1 (de) 2001-07-26 2001-07-26 Kraftstoffversorgungseinrichtung für ein Kraftfahrzeug
PCT/DE2002/001638 WO2003011626A1 (fr) 2001-07-26 2002-05-07 Systeme d'alimentation en carburant pour un vehicule automobile

Publications (1)

Publication Number Publication Date
EP1414665A1 true EP1414665A1 (fr) 2004-05-06

Family

ID=7693176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02742717A Withdrawn EP1414665A1 (fr) 2001-07-26 2002-05-07 Systeme d'alimentation en carburant pour un vehicule automobile

Country Status (6)

Country Link
US (1) US6846415B2 (fr)
EP (1) EP1414665A1 (fr)
JP (1) JP2004522067A (fr)
KR (1) KR20040030417A (fr)
DE (1) DE10136437A1 (fr)
WO (1) WO2003011626A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100534731B1 (ko) 2003-09-19 2005-12-07 기아자동차주식회사 자동차용 연료 펌프 어셈블리
KR100624382B1 (ko) * 2005-03-30 2006-09-20 엘지전자 주식회사 밀폐형 압축기의 회전자
DE102005056860A1 (de) * 2005-11-29 2007-05-31 GM Global Technology Operations, Inc., Detroit Kraftstoffbehälter
DE102008034904A1 (de) * 2008-07-26 2010-01-28 Mahle International Gmbh Moduleinsatz zum Einbau in einen Flüssigkeitsfilter
KR100985415B1 (ko) * 2010-01-15 2010-10-06 주식회사 코아비스 연료펌프모듈
JP5893854B2 (ja) * 2011-06-02 2016-03-23 トヨタ自動車株式会社 燃料供給装置
DE102015003101A1 (de) * 2015-03-11 2016-09-15 Mann + Hummel Gmbh Filterelement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663991A1 (fr) * 1990-06-27 1992-01-03 Renault Dispositif de retention du combustible dans la conduite d'aspiration du circuit d'alimentation d'un moteur.
US5094747A (en) * 1990-09-18 1992-03-10 Allied-Signal Inc. Removal of polynuclear aromatic compounds from motor vehicle fuel
EP0754483B1 (fr) * 1995-02-03 2004-02-04 Denso Corporation Filtre
DE19521509A1 (de) * 1995-06-13 1996-12-19 Bosch Gmbh Robert Einrichtung zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine
DE19523626A1 (de) * 1995-06-29 1997-01-02 Daimler Benz Ag Druckregelventil für in Verbrennungsmotoren einzuspritzenden Kraftstoff und Integration dieses Druckregelventils in ein Kraftstoffilter
DE19709780A1 (de) 1997-03-10 1998-09-17 Bosch Gmbh Robert Vorrichtung zum Fördern von Kraftstoff aus einem Kraftstofftank
DE19816317A1 (de) * 1998-04-11 1999-10-14 Bosch Gmbh Robert Kraftstoffördereinrichtung
FR2778948B1 (fr) 1998-05-19 2002-03-08 Bitron France Ensemble de pompage de carburant et reservoir de vehicule automobile equipe d'un tel ensemble de pompage
DE19912642C2 (de) 1999-03-20 2001-07-05 Kautex Textron Gmbh & Co Kg Kraftstofftank für ein Kraftfahrzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03011626A1 *

Also Published As

Publication number Publication date
KR20040030417A (ko) 2004-04-09
DE10136437A1 (de) 2003-02-13
WO2003011626A1 (fr) 2003-02-13
US20040050371A1 (en) 2004-03-18
US6846415B2 (en) 2005-01-25
JP2004522067A (ja) 2004-07-22

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