EP1015754B1 - Flansch eines kraftstoff-fördermoduls und kraftstoff-fördermodul - Google Patents
Flansch eines kraftstoff-fördermoduls und kraftstoff-fördermodul Download PDFInfo
- Publication number
- EP1015754B1 EP1015754B1 EP99922051A EP99922051A EP1015754B1 EP 1015754 B1 EP1015754 B1 EP 1015754B1 EP 99922051 A EP99922051 A EP 99922051A EP 99922051 A EP99922051 A EP 99922051A EP 1015754 B1 EP1015754 B1 EP 1015754B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flange
- fuel
- electrically conductive
- delivery module
- pressure regulator
- 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 - Lifetime
Links
Images
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
- F02M37/22—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
-
- 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
- F02M2037/082—Details of the entry of the current supply lines into the pump housing, e.g. wire connectors, grommets, plugs or sockets
Definitions
- the present invention relates to a flange of a fuel delivery module as well as a fuel delivery module.
- flanges or fuel delivery modules are used on tanks in particular by motor vehicles, to connect the tank to the fuel supply line of an engine.
- a known such flange comprises a pressure regulator for regulating the Pressure in the fuel supply line. If the to be regulated is exceeded The pressure regulator allows fuel to escape through a throttle point. Due to the high flow rate of the fuel in the The throttling point of the pressure regulator forms a strong charge separation, what the danger of a very strong electrostatic charge of the pressure regulator and its surroundings.
- the known flange provides that an electrical line attached to the housing of the pressure regulator conductive with a supply line of a fuel pump of the fuel delivery module connects, so the housing of the pressure regulator on one keep defined potential.
- Attaching the line between the pressure regulator and the supply line is labor intensive, and it cannot be excluded that in the course the operation of the vehicle the electrical contact between the pressure regulator and the supply line is lost, be it due to a cable break, improper maintenance or other, so that it goes unnoticed can still form electrostatic charges.
- the conductive connection of the pressure regulator with the connection via the weakly conductive material according to the invention sets the potential of Pressure regulator by simply attaching it to the flange, without this would require further assembly steps and parts. It follows thus a cost advantage by saving working hours and parts as well a quality advantage because the conductive part of the flange Connection between the pressure regulator and the connection is not e.g. can open by breaking the cable or loosening a plug contact.
- the flange is expediently formed in one piece from a weakly electrically conductive plastic.
- a weakly electrically conductive plastic This can be an essentially any synthetic resin that is resistant to contact with fuel and is made conductive by introducing graphite or metal particles.
- the conductivity of the plastic is expediently set to surface resistance values between 10 3 ohms and 10 9 ohms, in order on the one hand to reliably discharge the electrostatic charges and on the other hand not to change the mechanical properties of the synthetic resin forming a matrix too much by the introduced conductive particles.
- connection is preferably an electrical feedthrough.
- the electrical contact between the bushing and the material of the Flange is advantageously manufactured in that a conductor of electrical implementation of the weakly electrically conductive material is surrounded without isolation.
- a conductor of electrical implementation of the weakly electrically conductive material is surrounded without isolation.
- the manufacture of the Flange by injection molding the electrical feedthrough into the weak electrically conductive material embedded.
- the single figure shows a fuel delivery module with a flange according to of the invention in cross section.
- the figure shows a fuel delivery module for installation in a tank Motor vehicle.
- the module comprises a fuel pump 1, which has a Filter attachment 3 draws fuel from the tank and through an outlet connection 5 presses into a filter chamber 7, which is in the form of a hollow cylinder extends around the pump 1.
- a filter body 9 is in the Arranged chamber 7 and sealed at its end faces by O-rings 11.
- a hose line 13 connects the outlet of the filter chamber 7 with a connecting piece 15 on the inside of a flange 17.
- Ein Fuel passage 19 initially extends from the nozzle 15 in the figure vertically through the flange 17 and horizontally to the right to one Exhaust pipe 21, for attaching a fuel supply line leading to the engine is provided.
- Return line 23 connects the fuel passage 19 to a pressure regulator 25, which in a recess on the inside of the flange 17th is attached.
- the pressure regulator 25 contains a membrane in a housing 27, its interior into a fuel chamber 31 and a back pressure chamber 29 divided.
- the back pressure chamber 29 contains a compression coil spring 33, which presses the membrane 27 tightly against a regulator seat 35. Only when the pressure in the fuel chamber 31 exceeds a minimum value the membrane 27 slightly from the regulator seat 35, so that by the opening throttle point fuel in a downstream section of the Return line 23 and from there can flow back into the tank.
- An electrical feedthrough comprises a connector 37 with two Knife contacts 39 and two connected to them through flange 17 guided wires 41.
- the bushing forms a connection to external Potentials of a battery.
- the connector 37 is integral with the Flange 17 formed, and the knife contacts 39 are for anchoring encapsulated with the material of the flange.
- the wires 41 are with the Pump 1 connected to supply them with energy.
- the flange 17 including the connector 37 consists of a weakly electrically conductive plastic material, such as a synthetic resin matrix with embedded conductive metal or graphite particles.
- the metallic Knife contacts 39 are made with this material without intervening Insulation in direct contact. That way they are with the Housing of the pressure regulator 25 and the entire inner surface of the return line 23 connected. A collection of electrostatic Charges are thus reliable over the entire length of the return line 23 locked out.
- connection to an external potential instead of the one described above Any other electrical connection, such as a connector Luster clamp, a screw-eye connection or the like is used become.
- the connection can also be made using a conductive screw Attachment of the flange to the tank, if it is conductive and has a defined electrical potential.
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)
Description
Claims (12)
- Flansch (17) eines Kraftstoff-Fördermoduls zum Verbinden eines Tanks mit einer Kraftstoffzufuhrleitung eines Motors, mit einem Druckregler (25) zum Regeln des Drucks in der Kraftstoffzufuhrleitung und wenigstens einem Anschluß (37, 39, 41) eines externen elektrischen Potentials,
dadurch gekennzeichnet, daß
der Flansch (17) zumindest abschnittsweise aus schwach elektrisch leitendem Material gebildet ist und der Anschluß (37, 39, 41) mit dem Druckregler (25) über das schwach elektrisch leitende Material leitend verbunden ist. - Flansch nach Anspruch 1, dadurch gekennzeichnet, daß der Druckregler (25) in einer Rückführleitung (23) zum Rückführen von Kraftstoff angeordnet ist.
- Flansch nach Anspruch 2, dadurch gekennzeichnet, daß der Anschluß (37, 39, 41) mit der Rückführleitung (23) über das schwach elektrisch leitende Material leitend verbunden ist.
- Flansch nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Flansch (17) einstückig aus schwach elektrisch leitendem Kunststoff gebildet ist.
- Flansch nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Oberflächenwiderstand des schwach elektrisch leitenden Materials im Bereich von 103 Ohm bis 109 Ohm liegt.
- Flansch nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Druckregler (25) in einer zur Innenseite des Flansches (17) offenen Aussparung angebracht ist.
- Flansch nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Anschluß (37, 39, 41) eine elektrische Durchführung ist.
- Flansch nach Anspruch 7, dadurch gekennzeichnet, daß die elektrische Durchführung wenigstens einen von dem schwach elektrisch leitenden Material ohne Isolation umgebenen Leiter (39; 41) umfaßt.
- Flansch nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, daß die elektrische Durchführung (37, 39, 41) wenigstens zwei Leiter (39; 41) zur Energieversorgung einer an der Innenseite des Flansches angeordneten Kraftstoffpumpe (1) umfaßt.
- Flansch nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das schwach elektrisch leitende Material um elektrische Kontakte (39) des Flansches (17) gespritzt ist.
- Kraftstoff-Fördermodul mit einem Flansch (17) und einer Kraftstoffpumpe (1), die an den Flansch (17) angeschlossen ist, um Kraftstoff durch durch einen Durchgang des Flansches zu fördern,
dadurch gekennzeichnet, daß
der Flansch ein Flansch nach einem der Ansprüche 1 bis 10 ist. - Kraftstoff-Fördermodul nach Anspruch 11, dadurch gekennzeichnet, daß der Flansch ein Flansch nach einem der Ansprüche 7 bis 10 ist und daß die Kraftstoffpumpe (1) über die elektrische Durchführung (37, 39, 41) mit Energie versorgt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813204A DE19813204A1 (de) | 1998-03-25 | 1998-03-25 | Flansch eines Kraftstoff-Fördermoduls und Kraftstoff-Fördermodul |
DE19813204 | 1998-03-25 | ||
PCT/DE1999/000807 WO1999049206A2 (de) | 1998-03-25 | 1999-03-22 | Flansch eines kraftstoff-fördermoduls und kraftstoff-fördermodul |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1015754A2 EP1015754A2 (de) | 2000-07-05 |
EP1015754B1 true EP1015754B1 (de) | 2003-06-04 |
Family
ID=7862313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99922051A Expired - Lifetime EP1015754B1 (de) | 1998-03-25 | 1999-03-22 | Flansch eines kraftstoff-fördermoduls und kraftstoff-fördermodul |
Country Status (5)
Country | Link |
---|---|
US (1) | US6129074A (de) |
EP (1) | EP1015754B1 (de) |
JP (1) | JP4243357B2 (de) |
DE (2) | DE19813204A1 (de) |
WO (1) | WO1999049206A2 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6382190B1 (en) * | 1997-03-11 | 2002-05-07 | Aisan Kogyo Kabushiki Kaisha | In-tank fuel filter improved to resist electrification |
DE19837954C1 (de) * | 1998-08-21 | 2000-01-13 | Mannesmann Vdo Ag | Fördereinheit |
DE19848571A1 (de) * | 1998-10-21 | 2000-05-04 | Bosch Gmbh Robert | Kraftstoff-Fördermodul |
DE19915258C1 (de) | 1999-04-03 | 2000-12-07 | Bosch Gmbh Robert | Gehäuse für eine mit einem Elektromotor angetriebene Förderpumpe |
DE19926687C2 (de) * | 1999-06-11 | 2001-06-13 | Bosch Gmbh Robert | Kraftstofffördermodul mit integriertem Kraftstofffilter und Potentialanschluß |
DE29922325U1 (de) * | 1999-12-21 | 2001-04-26 | Robert Bosch Gmbh, 70469 Stuttgart | Kraftstofffördermodul für ein Kraftfahrzeug |
US6343589B1 (en) * | 2000-02-01 | 2002-02-05 | Walbro Corporation | Fuel system with jet pump switching regulator |
DE10009592A1 (de) * | 2000-02-29 | 2001-08-30 | Bosch Gmbh Robert | Druckventil |
JP3994613B2 (ja) * | 2000-03-01 | 2007-10-24 | 株式会社ケーヒン | 燃料噴射装置における燃料供給装置 |
DE10046323B4 (de) | 2000-09-19 | 2004-02-12 | Siemens Ag | Hydraulisches Spielausgleichssystem |
JP2002221111A (ja) * | 2001-01-24 | 2002-08-09 | Calsonic Kansei Corp | 燃料供給装置 |
JP2003155963A (ja) * | 2001-11-20 | 2003-05-30 | Kyosan Denki Co Ltd | フューエルポンプモジュールにおける脈動減衰装置 |
US20040094131A1 (en) * | 2002-11-18 | 2004-05-20 | Visteon Global Technologies, Inc. | Fuel delivery check valve for automotive application |
US7114490B2 (en) * | 2004-09-24 | 2006-10-03 | Millennium Industries | Multiple pump fuel delivery system |
US20060099843A1 (en) * | 2004-11-01 | 2006-05-11 | Fullner Todd C | Dielectric fittings |
US7185682B2 (en) * | 2004-12-22 | 2007-03-06 | Visteon Global Technologies, Inc. | Fuel flange assembly for a vehicle fuel system |
US20060151378A1 (en) * | 2005-01-11 | 2006-07-13 | Goll Brandon J | Fuel filter assembly for fuel delivery module |
EP1861613B1 (de) * | 2005-03-14 | 2013-05-22 | Inergy Automotive Systems Research (Société A.) | Kraftstoffsystem mit direkter verbindung zwischen kraftstoffpumpen, strahlpumpe und kraftstofffilter |
JP5645506B2 (ja) * | 2010-06-29 | 2014-12-24 | 本田技研工業株式会社 | 燃料供給装置 |
US9267473B2 (en) | 2012-04-16 | 2016-02-23 | Carter Fuel Systems Llc | Fuel pump assembly with grounded plastic components and fuel tank assembly therewith and method of contruction thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5076920B2 (en) * | 1990-08-30 | 1998-05-05 | Allied Signal Inc | Electrostatically dissipative fuel filter |
US5078167A (en) * | 1990-12-18 | 1992-01-07 | Parr Manufacturing, Inc. | Fuel filter and pressure regulator system apparatus |
US5195494A (en) * | 1992-02-27 | 1993-03-23 | Walbro Corporation | Fuel delivery system with outlet pressure regulation |
DE4242242C2 (de) * | 1992-12-15 | 2003-04-30 | Bosch Gmbh Robert | Vorrichtung zum Versorgen der Brennkraftmaschine eines Kraftfahrzeuges mit in einem Vorratstank vorhandenem Kraftstoff |
CN1094776C (zh) * | 1995-02-03 | 2002-11-27 | 日本电装株式会社 | 滤清器 |
JP2839861B2 (ja) * | 1995-07-18 | 1998-12-16 | 株式会社デンソー | インタンク式燃料ポンプ装置 |
DE19531424A1 (de) * | 1995-08-26 | 1997-02-27 | Bosch Gmbh Robert | Kraftstoffördereinrichtung |
US5762047A (en) * | 1996-02-14 | 1998-06-09 | Mitsubishi Denki Kabushiki Kaisha | Fuel supplying apparatus |
DE19712155A1 (de) * | 1997-03-22 | 1998-09-24 | Bosch Gmbh Robert | Kraftstoffversorgungsanlage |
ES2198624T3 (es) * | 1997-08-30 | 2004-02-01 | Siemens Aktiengesellschaft | Dispositivo de seguridad para un deposito de combustible. |
-
1998
- 1998-03-25 DE DE19813204A patent/DE19813204A1/de not_active Ceased
-
1999
- 1999-03-22 DE DE59905825T patent/DE59905825D1/de not_active Expired - Fee Related
- 1999-03-22 WO PCT/DE1999/000807 patent/WO1999049206A2/de active IP Right Grant
- 1999-03-22 JP JP54758399A patent/JP4243357B2/ja not_active Expired - Fee Related
- 1999-03-22 US US09/424,398 patent/US6129074A/en not_active Expired - Fee Related
- 1999-03-22 EP EP99922051A patent/EP1015754B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1015754A2 (de) | 2000-07-05 |
US6129074A (en) | 2000-10-10 |
WO1999049206A3 (de) | 2000-04-20 |
WO1999049206A2 (de) | 1999-09-30 |
JP2002500721A (ja) | 2002-01-08 |
DE19813204A1 (de) | 1999-09-30 |
JP4243357B2 (ja) | 2009-03-25 |
DE59905825D1 (de) | 2003-07-10 |
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