EP2097285A1 - Dispositif d'acheminement de carburant - Google Patents

Dispositif d'acheminement de carburant

Info

Publication number
EP2097285A1
EP2097285A1 EP07821418A EP07821418A EP2097285A1 EP 2097285 A1 EP2097285 A1 EP 2097285A1 EP 07821418 A EP07821418 A EP 07821418A EP 07821418 A EP07821418 A EP 07821418A EP 2097285 A1 EP2097285 A1 EP 2097285A1
Authority
EP
European Patent Office
Prior art keywords
arms
pump
grounding element
spring
pump housing
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
EP07821418A
Other languages
German (de)
English (en)
Other versions
EP2097285B1 (fr
Inventor
Radek Malec
Vladimir Ptacek
Martin Ptacek
Martin Sykora
Josef Jarosik
Miloslav Gabris
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 EP2097285A1 publication Critical patent/EP2097285A1/fr
Application granted granted Critical
Publication of EP2097285B1 publication Critical patent/EP2097285B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M37/103—Mounting pumps on fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • 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 device for conveying fuel according to the preamble of the main claim.
  • the device according to the invention with the characterizing features of the main claim has the advantage that an electrostatic discharge of the pump holder takes place during operation by a charge Abieiter rests on a surface of the pump holder, which is connected via a grounding element to the pump housing.
  • the charge arrester is made of brass, copper or steel, since these materials are electrically conductive and thus derive the electrostatic charges.
  • the grounding element is connected to the pump holder with at least two retaining arms and contacts the charge drain with at least one first spring arm and the pump housing with at least one second spring arm.
  • This design is particularly inexpensive to produce from a metal strip and very easy to install by machine. There are no expensive and expensive welding or soldering required for the grounding of the pump holder.
  • the retaining arms of the grounding element are angled relative to the central web in order to form a plug-in clip with the retaining arms.
  • the spring arms are also angled relative to the central web, so that they can press resiliently against the respective contact partner.
  • Grounding element results on the pump holder, so that the grounding element is particularly well fixed and can not be solved or moved by vibration.
  • Fig.l shows a three-dimensional view of the device for conveying fuel and Figure 2 shows an inventive grounding element.
  • FIG. 1 shows a simplified three-dimensional view of the device for conveying fuel.
  • the device is arranged in a storage container 1, for example a fuel tank, and has a delivery unit 2, which conveys fuel from the storage container 1 to an internal combustion engine 3.
  • a storage container for example a fuel tank
  • a delivery unit 2 which conveys fuel from the storage container 1 to an internal combustion engine 3.
  • the delivery unit is any pump, for example a flow pump or a displacement pump.
  • the delivery unit 2 has a cylindrical metallic pump housing 2.1, which is electrically conductively connected to an electrical ground 5 and grounded in this way.
  • the electrical mass 5 is, for example, the body of the vehicle.
  • the pump housing 2.1 is closed at the end with a connection cover 2.2, on which, for example, two connection plugs 6 are provided for contacting with a voltage source 7.
  • the delivery unit 2 is mounted on a pump holder 10, which is attached to the storage container 1 or according to the embodiment of a arranged in the reservoir 1 storage tank 11.
  • the storage tank 11 stores sufficient amount of fuel so that even with sloshing of the fuel in the reservoir 1 fuel can be sucked in and promoted.
  • the storage container 11 is provided on a bottom 12 of the storage container 1.
  • the pump holder 10 dampens outgoing vibrations from the delivery unit 2, so that as little structure-borne noise as possible is transferred to the storage container 1. According to the embodiment, this is achieved by two concentrically arranged retaining rings 14,15, which are mechanically connected to each other by means of elastic elements 16.
  • the delivery unit 2 is attached to the inner retaining ring 14 and the outer retaining ring 15, for example, to the storage container 11.
  • the elastic elements 16 are, for example, integrally connected to the two retaining rings 14,15 and extend over a predetermined length in the circumferential direction with respect to the retaining rings 14,15.
  • the pump holder 10 is made of plastic, for example.
  • the accumulating on the pump holder 10 electrostatic charges must be derived for fire safety reasons.
  • a charge arrester 17 is applied, which is connected via a grounding element 18 with the pump housing 10.
  • the charge arrester 17 is ring-shaped according to the exemplary embodiment and surrounds the inner retaining ring 14. However, it can expressly also have any other shape. For example, the charge arrester 17 is pressed onto the inner retaining ring 14 and prevents swelling of the inner retaining ring 14.
  • the charge arrester 17 is made of metal, for example of brass, copper or steel.
  • the grounding element 18 is attached according to the invention to the pump holder 10, for example, to the outer retaining ring 15.
  • the grounding element 18 has for this purpose at least two resilient
  • Supporting arms 19 which encircle the outer retaining ring 15 or clasp and the
  • three juxtaposed, spaced apart retaining arms 19 are provided, wherein the two outer support arms 19 abut the outer periphery and the central support arm 19 on the inner circumference of the outer retaining ring 15.
  • the holding arms 19 are angled such that the provided on the inner circumference of the holding arm 19 is spaced from the remaining holding arms 19 with approximately the thickness of the outer retaining ring 15th - A -
  • the earthing element 18 has at least one first spring arm 21 and at least one second spring arm 22, the first spring arm 21 contacting the charge absorber 17 and the second spring arm 22 contacting the pump housing 2.1.
  • first spring arms 21 and a second spring arm 22 are provided, wherein the second spring arm 22 is disposed between the two first spring arms 21.
  • the three spring arms 21,22 are spaced from each other. The spring arms 21,22 press with a predetermined spring force against their contact partners 2.1,17.
  • the retaining arms 19 and the spring arms 21, 22 are connected to one another via a central web 23.
  • the spring arms 21,22 are arranged on one longitudinal side and the retaining arms 19 on the opposite longitudinal side of the central web 23 and extend transversely to the longitudinal extent thereof.
  • the inner retaining ring 14 has, for example, a recess 14.1 through which the second spring arm 22 passes through the pump housing 2.1.
  • FIG. 2 shows a grounding element according to the invention according to the device according to FIG.
  • the grounding element 18 is made of a metal strip, for example of spring steel.
  • the retaining arms 19 and the spring arms 21, 22 are angled away, for example, by approximately 90 degrees with respect to the center web 23, so that the retaining arms 19, the center web 23 and the spring arms 21, 22 form a step shape.
  • the spring arms 21,22 are again angled for contacting at their end facing the contact partner 2.1,17 and rounded immediately at the contact point, for example by means of a bending radius R.
  • the retaining arms 19 are sharp-edged at their end facing away from the central web 23, so that the retaining clip 19 is particularly firmly connected to the pump holder 10.
  • the retaining arms 19 are bent sharp-edged at this end.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP07821418A 2006-10-27 2007-10-17 Dispositif d'acheminement de carburant Not-in-force EP2097285B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006050818A DE102006050818A1 (de) 2006-10-27 2006-10-27 Vorrichtung zum Fördern von Kraftstoff
PCT/EP2007/061053 WO2008049762A1 (fr) 2006-10-27 2007-10-17 Dispositif d'acheminement de carburant

Publications (2)

Publication Number Publication Date
EP2097285A1 true EP2097285A1 (fr) 2009-09-09
EP2097285B1 EP2097285B1 (fr) 2011-08-17

Family

ID=38924401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07821418A Not-in-force EP2097285B1 (fr) 2006-10-27 2007-10-17 Dispositif d'acheminement de carburant

Country Status (5)

Country Link
US (1) US8172556B2 (fr)
EP (1) EP2097285B1 (fr)
AT (1) ATE520561T1 (fr)
DE (1) DE102006050818A1 (fr)
WO (1) WO2008049762A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1393176B1 (it) 2009-02-27 2012-04-11 Icomet Spa Dispositivo per l'alloggiamento di una pompa gpl in un serbatoio idoneo a permettere la estrazione della pompa senza svuotare preventivamente il serbatoio del gpl presente al suo interno
DE102009046112A1 (de) * 2009-10-28 2011-05-12 Robert Bosch Gmbh Vorrichtung zum Fördern von Kraftstoff
US9261062B2 (en) * 2012-05-03 2016-02-16 GM Global Technology Operations LLC Squeeze clip ground strap
CN102953880A (zh) * 2012-11-22 2013-03-06 无锡惠山泵业有限公司 油泵托架
DE102016221128A1 (de) * 2016-10-26 2018-04-26 Mahle International Gmbh Befestigungsanordnung
KR102546497B1 (ko) 2018-09-13 2023-06-23 하르팅 일렉트릭 슈티프퉁 운트 코우. 카게 접지 단자 영역을 갖는 플러그-인 커넥터
DE102020102427B4 (de) 2020-01-31 2022-10-27 Sensus Spectrum Llc Streustrombrücke und Wasserzähler mit Streustrombrücke
DE102021106098B3 (de) 2021-03-12 2022-05-25 Bühler Motor GmbH Halterung zur Befestigung einer Pumpe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW371699B (en) * 1997-12-08 1999-10-11 Mitsubishi Electric Corp Fuel supply apparatus
US6679227B2 (en) 2001-11-08 2004-01-20 Delphi Technologies, Inc. Grounded fuel delivery module for fuel system
US20030101971A1 (en) 2001-11-30 2003-06-05 Farrar Robert L. Grounded fuel delivery module for fuel system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008049762A1 *

Also Published As

Publication number Publication date
WO2008049762A1 (fr) 2008-05-02
US20100119387A1 (en) 2010-05-13
US8172556B2 (en) 2012-05-08
WO2008049762A8 (fr) 2009-05-14
EP2097285B1 (fr) 2011-08-17
DE102006050818A1 (de) 2008-04-30
ATE520561T1 (de) 2011-09-15

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