EP2188531A1 - Pompe à canal latéral pour refouler du carburant dans un véhicule automobile - Google Patents

Pompe à canal latéral pour refouler du carburant dans un véhicule automobile

Info

Publication number
EP2188531A1
EP2188531A1 EP08786127A EP08786127A EP2188531A1 EP 2188531 A1 EP2188531 A1 EP 2188531A1 EP 08786127 A EP08786127 A EP 08786127A EP 08786127 A EP08786127 A EP 08786127A EP 2188531 A1 EP2188531 A1 EP 2188531A1
Authority
EP
European Patent Office
Prior art keywords
impeller
chambers
side channel
channel pump
housing parts
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Withdrawn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
EP08786127A
Other languages
German (de)
English (en)
Inventor
Eberhard Geissel
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 EP2188531A1 publication Critical patent/EP2188531A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D5/00—Pumps with circumferential or transverse flow
    • F04D5/002—Regenerative pumps
    • F04D5/003—Regenerative pumps of multistage type
    • F04D5/005—Regenerative pumps of multistage type the stages being radially offset

Definitions

  • the invention relates to a side channel pump for conveying fuel in a motor vehicle with an impeller arranged rotatably between two housing parts, with an inlet arranged in one of the housing parts and an outlet arranged in the other housing part, with two concentrically enclosing, from the inlet to the outlet guided delivery chambers, wherein the delivery chambers arranged in both end faces of the impeller wreaths of vane chambers defining vanes and arranged in the housing parts partially annular channels.
  • Such a side channel pump is for example from the
  • the impeller has two rings of vane chambers bounding vanes.
  • the vane chambers of the radially inner rim are separated by an intermediate ring from the radially outer vane chambers.
  • the intermediate ring is guided up to the housing parts and thus forms a gap seal between the concentrically surrounding delivery chambers.
  • the wreaths also each have a different number of
  • the sealing of the delivery chambers is therefore necessary in order to prevent the circulation flow generated in one delivery chamber from flowing over to the other delivery chamber where it generates turbulence on a guide vane.
  • the two concentrically surrounding delivery chambers are connected in parallel and allow the generation of a particularly high volume flow.
  • a disadvantage of the known side channel pump is that it has very large dimensions. Furthermore, by contamination or wear in one delivery chamber, a higher pressure than in the other delivery chamber. This leads to a low efficiency of the side channel pump.
  • the invention is based on the problem, a side channel pump of the type mentioned in such a way that it has a particularly high efficiency and in the radial direction particularly small dimensions.
  • a flow divider subdivides the blade chambers into two subchambers arranged radially next to each other.
  • the flow divider makes it possible to guide the flows in the individual delivery chambers. Due to the design, the radially inner and the radially outer delivery chamber have the same number of Leitschau- fine, which are also arranged in alignment with each other. Turbulence during the overflow of the pumped fuel can be kept very low.
  • the overflow of the pumped fuel designed in accordance with another advantageous embodiment of the invention particularly Wirbelbelungsarm when the radially juxtaposed sub-chambers are connected to each other at the end faces of the impeller.
  • the structural complexity for connecting the sub-chambers can be kept particularly low according to an advantageous embodiment of the invention, when the flow divider is spaced from the end faces of the impeller.
  • the side channel pump contributes, if the part-annular channels have the flow divider in the impeller opposite flow divider and if the other flow divider from the impeller opposite side of the housing parts are spaced.
  • the assembly of the side channel pump according to the invention is particularly simple if the flow divider are made in one piece with the impeller or the housing parts.
  • FIG. 1 shows a partial section through a fuel pump with an inventive, designed as a side channel pump pump stage
  • FIG. 2 greatly enlarges a portion of the side channel pump of FIG. 1 with two delivery chambers concentrically surrounding one another
  • FIG. 1 shows a partial section through a fuel pump with an inventive, designed as a side channel pump pump stage
  • FIG. 2 greatly enlarges a portion of the side channel pump of FIG. 1 with two delivery chambers concentrically surrounding one another
  • FIG. 1 shows a fuel pump with a side channel pump 2 driven by an electric motor 1.
  • the side channel pump 2 has an impeller 4 arranged in a rotationally fixed manner on a shaft 3 of the electric motor 1.
  • the impeller 4 is arranged between two housing parts 5, 6, which are of a spacer ring 7 are kept at a distance from each other.
  • a jacket 8 of the fuel pump biases the housing parts 5, 6 against the spacer ring 7.
  • the side channel pump 2 has a radially inner delivery chamber 9 and a radially outer delivery chamber 10.
  • the delivery chambers 9, 10 each have opposing rings of sub-chambers 11, 12 delimiting vanes 13, 14 and arranged in the housing parts 5, 6 partially annular channels 15, 16 ,
  • the partially submerged channels 15, 16 extend from an inlet 17 arranged in one of the housing parts 5 to an outlet 18 arranged in the other housing part 6.
  • Opposing partial chambers 11, 12 of the delivery chambers 9, 10 are also connected to one another within the impeller 4 ,
  • FIG. 2 greatly enlarges a radially outer subarea of the side channel pump 2 from FIG. 1 at the outlet 18. It can be seen here that the connection of opposing subchambers 11, 12 is generated by their overlapping. Furthermore, the delivery chambers 9, 10 at the
  • FIG. 3 shows an enlarged view of a radially outer portion of the impeller 4 in a sectional view through the side channel pump 2 from FIG. 2 along the line III - III. It can be seen that the two delivery chambers 9, 10 have the same number of sub-chambers 11, 12.
  • the flow divider 20 arranged in the impeller thus divides the vane chamber 22 generated by the vanes 13, 14 into the individual subchambers 11, 12 of the delivery chambers 9, 10 surrounding each other radially. This ensures that overflowing fuel from the one delivery chamber 9, 10 into the another delivery chamber 10, 9 is supplied in a predetermined position in front of the respective guide blade 13, 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Cette pompe à canal latéral(2) pour refouler du carburant possède un diviseur d'écoulement (20) disposé dans une roue à aubes (4). Le diviseur d'écoulement (20) divise des chambres d'aubes (22) de la roue à aubes (4) en chambres partielles individuelles (11, 12). Des diviseurs d'écoulement (21) sont également disposés dans des parties de carter (5, 6) faisant face à la roue à aubes (4) et pourvues de canaux (15, 16) en forme d'anneaux partiels radialement entourants en vis-à-vis. Les diviseurs d'écoulement (20, 21) dans la roue à aubes (4) et dans les parties de carter (5, 6) sont mutuellement distants, afin de permettre un débordement entre les chambres de refoulement (9, 10) formées par les chambres partielles (11, 12) et par les canaux (15, 16) en forme d'anneaux partiels. La pompe à canal latéral (2) possède ainsi un rendement élevé et des dimensions radiales particulièrement faibles.
EP08786127A 2007-08-13 2008-07-14 Pompe à canal latéral pour refouler du carburant dans un véhicule automobile Withdrawn EP2188531A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007038144A DE102007038144A1 (de) 2007-08-13 2007-08-13 Seitenkanalpumpe zur Förderung von Kraftstoff in einem Kraftfahrzeug
PCT/EP2008/059171 WO2009021796A1 (fr) 2007-08-13 2008-07-14 Pompe à canal latéral pour refouler du carburant dans un véhicule automobile

Publications (1)

Publication Number Publication Date
EP2188531A1 true EP2188531A1 (fr) 2010-05-26

Family

ID=39743111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786127A Withdrawn EP2188531A1 (fr) 2007-08-13 2008-07-14 Pompe à canal latéral pour refouler du carburant dans un véhicule automobile

Country Status (7)

Country Link
US (1) US20120003083A1 (fr)
EP (1) EP2188531A1 (fr)
JP (1) JP5069352B2 (fr)
KR (1) KR20100051657A (fr)
CN (1) CN101779042B (fr)
DE (1) DE102007038144A1 (fr)
WO (1) WO2009021796A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ304400B6 (cs) * 2011-10-26 2014-04-16 Vysoké Učení Technické V Brně Čerpadlo s rotujícím lopatkovým věncem

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6382086U (fr) * 1986-11-18 1988-05-30
US5358373A (en) * 1992-04-29 1994-10-25 Varian Associates, Inc. High performance turbomolecular vacuum pumps
JP3591091B2 (ja) * 1995-11-07 2004-11-17 株式会社デンソー 再生ポンプ
DE19622560A1 (de) * 1996-06-05 1997-12-11 Bosch Gmbh Robert Aggregat zum Fördern von Kraftstoff aus einem Vorratsbehälter zur Brennkraftmaschine eines Kraftfahrzeugs
DE19744037C1 (de) * 1997-10-06 1999-06-02 Mannesmann Vdo Ag Förderpumpe
DE10013908A1 (de) * 2000-03-21 2001-09-27 Mannesmann Vdo Ag Förderpumpe
US6527505B2 (en) * 2000-12-11 2003-03-04 Visteon Global Technologies, Inc. Regenerative fuel pump flow chamber
US6932562B2 (en) 2002-06-18 2005-08-23 Ti Group Automotive Systems, L.L.C. Single stage, dual channel turbine fuel pump
DE10341837B3 (de) * 2003-09-09 2005-03-10 Siemens Ag Kraftstoffpumpe für einen Kraftstoffbehälter
DE102004052439A1 (de) * 2004-10-28 2006-05-04 Siemens Ag Kraftstoffpumpe und Kraftstoffversorgungsanlage für eine Brennkraftmaschine eines Kraftfahrzeuges mit einer Kraftstoffpumpe
JP2007056705A (ja) * 2005-08-22 2007-03-08 Aisan Ind Co Ltd 燃料ポンプ
JP2008163934A (ja) * 2006-12-06 2008-07-17 Denso Corp 燃料ポンプおよびそれを用いた燃料供給装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009021796A1 *

Also Published As

Publication number Publication date
US20120003083A1 (en) 2012-01-05
CN101779042B (zh) 2013-05-29
DE102007038144A1 (de) 2009-02-19
JP2010535984A (ja) 2010-11-25
JP5069352B2 (ja) 2012-11-07
WO2009021796A1 (fr) 2009-02-19
CN101779042A (zh) 2010-07-14
KR20100051657A (ko) 2010-05-17

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