DE19627581A1 - Arrangement of a fuel pump - Google Patents

Arrangement of a fuel pump

Info

Publication number
DE19627581A1
DE19627581A1 DE19627581A DE19627581A DE19627581A1 DE 19627581 A1 DE19627581 A1 DE 19627581A1 DE 19627581 A DE19627581 A DE 19627581A DE 19627581 A DE19627581 A DE 19627581A DE 19627581 A1 DE19627581 A1 DE 19627581A1
Authority
DE
Germany
Prior art keywords
fuel
pump
fuel pump
arrangement
combustion engine
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Withdrawn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
DE19627581A
Other languages
German (de)
Inventor
Bernhard Radermacher
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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Priority to DE19627581A priority Critical patent/DE19627581A1/en
Priority to ES97105985T priority patent/ES2154000T3/en
Priority to EP97105985A priority patent/EP0822331B1/en
Priority to DE59702840T priority patent/DE59702840D1/en
Publication of DE19627581A1 publication Critical patent/DE19627581A1/en
Withdrawn legal-status Critical Current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
    • F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary 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
    • F02M37/04—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

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)
  • Details Of Reciprocating Pumps (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

Die Erfindung betrifft eine Anordnung einer Brennstoffpumpe in einem Schlingertopf eines Brennstofftanks nach dem Oberbegriff des Patentanspruchs 1.The invention relates to an arrangement of a fuel pump in a swirl pot Fuel tanks according to the preamble of patent claim 1.

Es sind bereits derartige Anordnungen bekannt, bei denen Brennstoff über eine erste Pumpenstufe in den Schlingertopf hinein und über eine zweite Pumpenstufe zur Brennkraftmaschine gefördert wird. Hierbei wird der zur Brennkraftmaschine geförderte Brennstoff durch eine Elektromotorkammer geleitet und im Überschuß geförderter Brennstoff gelangt von der Brennkraftmaschine in den Tankstofftank zurück. Es liegt damit eine ausreichende Kühlung des Elektromotors vor.Such arrangements are already known in which fuel is supplied via a first one Pump stage into the swirl pot and via a second pump stage to Internal combustion engine is promoted. Here, the pumped to the internal combustion engine Fuel passed through an electric motor chamber and pumped in excess Fuel gets back into the tank tank from the internal combustion engine. So that's it adequate cooling of the electric motor.

Aus der DE-A1-43 32 446 ist eine Versorgungseinrichtung bekannt, bei der ein zwischen Brennstoffpumpe und Verteilerleiste eingesetzter Druckschalter in Abhängigkeit des Pumpenauslaßdrucks zwischen leitend und nichtleitend schaltet und dadurch die Brennstoffpumpe über eine Regelschaltung mit unterschiedlicher elektrischer Leistung versorgt wird, wenn der Pumpenauslaßdruck einen Schwellwert des Druckschalters über- oder unterschreitet.From DE-A1-43 32 446 a supply device is known in which a between Fuel pump and manifold used pressure switch depending on the Pump outlet pressure switches between conductive and non-conductive and thereby the Fuel pump via a control circuit with different electrical power is supplied when the pump outlet pressure exceeds a threshold value of the pressure switch or falls below.

Es hat sich nun gezeigt, daß bei dieser Vorrichtung eine unzulässige Erwärmung der Brennstoffpumpe auftritt.It has now been shown that an inadmissible heating of the Fuel pump occurs.

Hiervon ausgehend liegt der Erfindung daher die Aufgabe zugrunde, Maßnahmen aufzufinden, mit denen eine Zu- und Abschaltung der Brennstoffpumpe ohne unzulässige Erwärmung erreichbar ist.Proceeding from this, the invention is therefore based on the object of measures to find with which the fuel pump can be switched on and off without impermissible Heating is achievable.

Diese Aufgabe ist durch die im Kennzeichen des Patentanspruchs angegebenen Merkmale gelöst. This object is achieved by the features specified in the characterizing part of the claim solved.  

Die Erfindung basiert auf der Überlegung, daß eine dem Verbrauch der Brennkraftmaschine angepaßte Fördermenge den Elektromotor nicht ausreichend kühlt. Hiergegen wenden sich die erfinderischen Merkmale. Sie bewirken eine ausreichende Kühlung des Elektromotors.The invention is based on the consideration that the consumption of the internal combustion engine adjusted flow rate does not cool the electric motor sufficiently. Against this the inventive features. They ensure adequate cooling of the electric motor.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend beschrieben.An embodiment of the invention is shown in the drawing and will described below.

Die Zeichnung zeigt einen Schnitt durch eine erfindungsgemäße Anordnung einer Brennstoffpumpe 1 in einem Schlingertopf 2 eines Brennstofftanks 3 einer Fahr­ zeug-Brennkraftmaschine.The drawing shows a section through an inventive arrangement of a fuel pump 1 in a swirl pot 2 of a fuel tank 3 of a driving tool internal combustion engine.

Der Schlingertopf 2 weist eine nach oben geöffnete Speicherkammer 4 auf, in der zentral die Brennstoffpumpe 1 angeordnet ist und über eine erste Pumpenstufe 5 aus dem Brennstofftank 3 über einen Filter 6 Brennstoff ansaugt und in die Speicherkammer 4 fördert. Der im Überschuß geförderte Brennstoff füllt die Speicherkammer 4 bis zum Übe?lauf 7. Eine zweite Pumpenstufe 8 saugt aus der Speicherkammer 4 Brennstoff ab und fördert diesen, dem Bedarf der Brennkraftmaschine angepaßt, über eine Leitung 9 zur Brennkraftmaschine.The swirl pot 2 has an upwardly open storage chamber 4 , in which the fuel pump 1 is arranged centrally and draws fuel from the fuel tank 3 via a filter 6 via a first pump stage 5 and delivers it into the storage chamber 4 . The fuel delivered in excess fills the storage chamber 4 up to the overflow 7 . A second pump stage 8 sucks fuel out of the storage chamber 4 and conveys it, adapted to the needs of the internal combustion engine, via a line 9 to the internal combustion engine.

Erfindungsgemäß ist nun vorgesehen, daß die erste Pumpenstufe 5 durch eine Elektromotorkammer 10 der Brennstoffpumpe 1 in die Speicherkammer 4 des Schlingertopfes 2 fördert, so daß Elektromotor/Brennstoffpumpe durch die im Überschuß geförderte Brennstoffmenge gekühlt wird.According to the invention, it is now provided that the first pump stage 5 feeds through an electric motor chamber 10 of the fuel pump 1 into the storage chamber 4 of the swirl pot 2 , so that the electric motor / fuel pump is cooled by the excess amount of fuel delivered.

Claims (1)

Anordnung einer Brennstoffpumpe in einen Schlingertopf eines Brennstofftanks einer Fahr­ zeug-Brennkraftmaschine, bei der eine erste Pumpenstufe gegenüber einer zweiten im Über­ schuß in den Schlingertopf hinein und die zweite heraus fördern, dadurch gekennzeichnet, daß die erste Pumpenstufe (5) durch eine Elektromotorkammer (10) in den Schlingertopf (2) fördert.Arrangement of a fuel pump in a swirl pot of a fuel tank of a vehicle internal combustion engine, in which a first pump stage over a second in excess in the swirl pot and promote the second out, characterized in that the first pump stage ( 5 ) by an electric motor chamber ( 10 ) in the swirl pot ( 2 ).
DE19627581A 1996-07-09 1996-07-09 Arrangement of a fuel pump Withdrawn DE19627581A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19627581A DE19627581A1 (en) 1996-07-09 1996-07-09 Arrangement of a fuel pump
ES97105985T ES2154000T3 (en) 1996-07-09 1997-04-11 PROVISION OF A FUEL PUMP.
EP97105985A EP0822331B1 (en) 1996-07-09 1997-04-11 Arrangement of a fuel pump
DE59702840T DE59702840D1 (en) 1996-07-09 1997-04-11 Arrangement of a fuel pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19627581A DE19627581A1 (en) 1996-07-09 1996-07-09 Arrangement of a fuel pump

Publications (1)

Publication Number Publication Date
DE19627581A1 true DE19627581A1 (en) 1998-01-15

Family

ID=7799307

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19627581A Withdrawn DE19627581A1 (en) 1996-07-09 1996-07-09 Arrangement of a fuel pump
DE59702840T Expired - Fee Related DE59702840D1 (en) 1996-07-09 1997-04-11 Arrangement of a fuel pump

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59702840T Expired - Fee Related DE59702840D1 (en) 1996-07-09 1997-04-11 Arrangement of a fuel pump

Country Status (3)

Country Link
EP (1) EP0822331B1 (en)
DE (2) DE19627581A1 (en)
ES (1) ES2154000T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062452A1 (en) * 2000-12-14 2002-06-20 Siemens Ag Fuel pump for a motor vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004010357A1 (en) * 2004-03-03 2005-09-22 Siemens Ag delivery unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713276C2 (en) * 1987-04-18 1996-03-21 Pierburg Gmbh Fuel delivery device for an internal combustion engine
FR2695964B1 (en) * 1992-09-24 1995-07-21 Walbro Corp FUEL DISTRIBUTION CIRCUIT FOR INTERNAL COMBUSTION ENGINE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062452A1 (en) * 2000-12-14 2002-06-20 Siemens Ag Fuel pump for a motor vehicle

Also Published As

Publication number Publication date
EP0822331A2 (en) 1998-02-04
DE59702840D1 (en) 2001-02-08
EP0822331B1 (en) 2001-01-03
EP0822331A3 (en) 1998-03-18
ES2154000T3 (en) 2001-03-16

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PIERBURG GMBH, 41460 NEUSS, DE

8141 Disposal/no request for examination