EP2513483B1 - Pompe à carburant - Google Patents
Pompe à carburant Download PDFInfo
- Publication number
- EP2513483B1 EP2513483B1 EP10787483.6A EP10787483A EP2513483B1 EP 2513483 B1 EP2513483 B1 EP 2513483B1 EP 10787483 A EP10787483 A EP 10787483A EP 2513483 B1 EP2513483 B1 EP 2513483B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- region
- sectional area
- cross
- fuel pump
- fuel
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims description 28
- 230000007423 decrease Effects 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
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
- F04D5/008—Details of the stator, e.g. channel shape
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/12—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- 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
-
- 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
- F04D5/007—Details of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
- F05B2250/503—Inlet or outlet of regenerative pumps
Definitions
- the invention relates to a fuel pump with the features of the preamble of claim 1.
- Such a pump is eg from the WO 2005/038259 known.
- Such fuel pumps on the principle of a side channel pump are used for conveying fuel from a fuel tank to an internal combustion engine of a motor vehicle and are thus known.
- the fuel Upon rotation of the impeller, the fuel is drawn in via the inlet channel and brought to a higher pressure level during the passage of the part-annular channels.
- the fuel is conveyed via the outlet channel and the electric motor of the fuel pump to a feed line, which conducts the fuel to the internal combustion engine.
- the guide vanes in the delivery chambers thereby generate a transverse to the direction of movement of the guide vanes circulation flow, which enters the radially outer region of the impeller and enters the part-annular channel, flows in the partially annular channel from radially outward to radially inward, leaving the partially annular channel radially inward and radially inward enters a vane chamber of the impeller again.
- the circulation flow is thus distributed in half on the part-annular channel and the blade chambers.
- the partially annular channels end. While the outlet side channel more or As it flows less into the exhaust passage, the intake side passage reduces its cross-sectional area to zero. This reduction of the cross-sectional area is usually carried out over an angular range up to 40 °.
- a disadvantage of these fuel pumps is that they generate a significant noise level, which is particularly disturbing when mounted in a fuel tank of a motor vehicle.
- the invention is therefore an object of the invention to provide a fuel pump with significantly reduced noise emissions, the fuel pump should be inexpensive to produce.
- a sufficiently shallow rise of the part-annular channel with a concomitant reduction in the cross-sectional area is achieved with an angle range of in particular 90 °.
- the circulation flow has sufficient time to shift.
- the part-annular channel is designed in the region of reduction of the cross-sectional area such that the reduction in the cross-sectional area takes place uniformly. That is, the slope of the semi-annular channel is straight.
- the region of reduction of the cross-sectional area of two partial regions is formed, whereby in the first partial region the cross-sectional area is reduced more strongly than in the second partial region.
- the second subregion a particularly small influence on the circulation flow occurs. This leads to an additional stabilization of the circulation flow.
- the critical area based on the length of the part-annular channel, shifted away from the end of the semi-annular channel away.
- the two subregions are particularly simple if the reduction in the cross-sectional area in both subregions is uniform and thus rectilinear.
- a transition between the two subregions in the form of a bend is avoided in another embodiment in that the two subregions merge into one another continuously, so that the channel bottom of the partially annular channel, in relation to the length of the two subregions, convexly approximates the impeller.
- the transition from the part-annular channel in the region in which the cross-sectional area decreases can be formed both as a kink and steadily. In the latter case, this results in a concave formation of the transition.
- FIG. 1 shows a fuel pump 1 for conveying fuel from a fuel tank 2 of a motor vehicle to an internal combustion engine 3.
- the fuel pump 1 has a pumping stage with a pump housing 4, which consists of a pump cover 5 and a pump bottom 6.
- a pump housing In the pump housing, an impeller 7 is arranged.
- the impeller 7 is driven by a shaft 8 of an electric motor 9.
- the fuel drawn in from the fuel tank 2 via an inlet channel 10 from the pumping stage is conveyed via an outlet channel 11 and the electric motor 9 to an outlet 12. From there the fuel passes through a feed line 13 to the engine. 3
- FIG. 2 shows the pump housing 4 with the pump cover 5, the pump bottom 6 and the impeller 7.
- the impeller 7 has on both sides in each case a ring 14 of blades 15, 15a, 15b, wherein two blades 15, 15a, 15b each have a blade chamber 18, 19th limit.
- the pump housing 4 has in the region of the blades 15, 15a, 15b on both sides in each case a partially annular channel 16, 17.
- the partially annular channels 16, 17 together with the blade chambers 18, 19 delivery chambers 20, 21.
- the delivery chambers 20, 21 are divided in half on each a part-annular channel 16, 17 and the blade chambers 18, 19, which are opposite to the respective part-annular channel 16, 17.
- the part-annular channels 16, 17 begin in the region of the inlet channel 10 and end after an angular range of about 330 ° in the region of the outlet channel 11. Based on the direction of rotation of the impeller 7 closes at the end of the partially annular channels 16, 17, a scraper 22, which is arranged between the outlet channel 11 and the inlet channel 10. While the part-annular channel 17 in the pump bottom 6 has a constant cross-sectional area over large parts of its extension, the partially annular channel 16 in the pump cover 5 has its end a region 23 with a decreasing cross-sectional area. In the figure, this area is limited by the letters A and B.
- This range extends over an angular range of 90 °, whereby larger angular ranges of, for example, 110 ° may be possible.
- the cross-sectional area decreases constantly, so that there is a straight course of the channel bottom.
- FIG. 3 shows a second embodiment, which differs from the fuel pump FIG. 2 differs only in the training of area 23.
- the region is subdivided into two subregions 24, 25, wherein the first subregion 24 has a greater reduction in cross-sectional area than the second subregion Part 25 has.
- the first portion extends over an angular extent of 30 °
- the second portion 25 extends over 60 °.
- Both sections 24, 25 each have a rectilinear channel bottom. However, it is also conceivable to form both partial regions 24, 25 of equal length.
- FIG. 4 Another embodiment shows FIG. 4 ,
- the channel bottom in the region 23 bulges convexly in the direction of the impeller 7, the curvature being formed most strongly at the beginning of the region 23, relative to the direction of rotation of the impeller 7.
- the transition from the part-annular channel 17 to the region 23 is formed in the form of a bend in the point A. But it is also conceivable to form the transition steadily and thus concave.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Claims (6)
- Pompe à carburant (1) comprenant une roue mobile entraînée (7) tournant dans un carter de pompe (4), présentant dans ses deux côtés à chaque fois des aubes directrices (15, 15a, 15b) délimitant à chaque fois une couronne (14) de chambres à aubes (18, 19) et comprenant des deux côtés des canaux (16, 17) en forme de bague partielle disposés dans le carter de pompe dans la région des aubes directrices (15, 15a, 15b), qui forment avec les chambres à aubes (18, 19) des chambres de refoulement (20, 21) pour refouler du carburant, un canal d'entrée (10) débouchant dans l'une des chambres de refoulement et l'autre chambre de refoulement débouchant dans un canal de sortie (11), des chambres d'aubes situées en regard l'une de l'autre étant connectées l'une à l'autre et la surface en section transversale du canal (16) en forme de bague partielle disposé du côté de l'entrée diminuant jusqu'à zéro jusqu'à l'extrémité du canal en forme de bague partielle, caractérisée en ce que le canal (16) en forme de bague partielle disposé du côté de l'entrée présente au niveau de son extrémité une région (23) dans laquelle la surface en section transversale diminue, cette région (23) s'étendant sur une plage angulaire de 70° à 150°.
- Pompe à carburant selon la revendication 1, caractérisée en ce que la plage angulaire vaut 90°.
- Pompe à carburant selon au moins l'une quelconque des revendications 1 et 2, caractérisée en ce que le canal en forme de bague partielle (16) est configuré dans la région du rétrécissement de la surface en section transversale de telle sorte que le rétrécissement de la surface en section transversale s'effectue de manière uniforme.
- Pompe à carburant selon au moins l'une quelconque des revendications 1 et 2, caractérisée en ce que la région (23) du rétrécissement de la surface en section transversale est formée par deux régions partielles situées l'une derrière l'autre (24, 25), la surface en section transversale diminuant plus fortement dans la première région partielle (24) que dans la deuxième région partielle (25).
- Pompe à carburant selon la revendication 4, caractérisée en ce que le rétrécissement de la surface en section transversale s'effectue uniformément dans chacune des deux régions partielles (24, 25).
- Pompe à carburant selon la revendication 4, caractérisée en ce que les deux régions partielles (24, 25) se prolongent l'une dans l'autre de manière continue.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009058672 | 2009-12-16 | ||
DE102010004379A DE102010004379A1 (de) | 2009-12-16 | 2010-01-12 | Kraftstoffpumpe |
PCT/EP2010/069241 WO2011082930A1 (fr) | 2009-12-16 | 2010-12-09 | Pompe à carburant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2513483A1 EP2513483A1 (fr) | 2012-10-24 |
EP2513483B1 true EP2513483B1 (fr) | 2016-05-25 |
Family
ID=43760003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10787483.6A Active EP2513483B1 (fr) | 2009-12-16 | 2010-12-09 | Pompe à carburant |
Country Status (6)
Country | Link |
---|---|
US (1) | US9638192B2 (fr) |
EP (1) | EP2513483B1 (fr) |
JP (1) | JP5744056B2 (fr) |
CN (1) | CN102812252B (fr) |
DE (1) | DE102010004379A1 (fr) |
WO (1) | WO2011082930A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013200713A1 (de) * | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Seitenkanalpumpe mit asymmetrischen Querschnitten der Seitenkanäle |
DE102013220717B4 (de) * | 2013-10-14 | 2016-04-07 | Continental Automotive Gmbh | Pumpe |
JP7350020B2 (ja) * | 2019-01-16 | 2023-09-25 | 株式会社ミツバ | 非容積型ポンプ及び液体供給装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT109069B (de) | 1927-01-24 | 1928-03-10 | Rudolph Siegel | Selbstansaugende Schleuderpumpe. |
JPS62120078A (ja) | 1985-11-20 | 1987-06-01 | Fujitsu Ltd | 半導体装置の製造方法 |
JPS6425494A (en) | 1987-07-21 | 1989-01-27 | Mitsubishi Electric Corp | Semiconductor laser device and manufacture thereof |
JPS6425494U (fr) * | 1987-08-05 | 1989-02-13 | ||
JPH02103194U (fr) * | 1989-01-31 | 1990-08-16 | ||
JP3237360B2 (ja) | 1993-02-04 | 2001-12-10 | 株式会社デンソー | 再生ポンプおよびそのケーシング |
DE4343078B4 (de) * | 1993-12-16 | 2007-09-13 | Robert Bosch Gmbh | Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine |
DE19643728A1 (de) | 1996-10-23 | 1998-04-30 | Mannesmann Vdo Ag | Förderpumpe |
US6068456A (en) | 1998-02-17 | 2000-05-30 | Walbro Corporation | Tapered channel turbine fuel pump |
JP4049488B2 (ja) | 1999-08-25 | 2008-02-20 | 大建産業株式会社 | トンネル用防水シート布設装置 |
JP3519654B2 (ja) * | 1999-12-03 | 2004-04-19 | 米原技研有限会社 | 加圧遠心ポンプ |
US6527506B2 (en) * | 2000-03-28 | 2003-03-04 | Delphi Technologies, Inc. | Pump section for fuel pump |
DE10019911A1 (de) | 2000-04-20 | 2001-10-25 | Mannesmann Vdo Ag | Förderpumpe |
US6921168B2 (en) * | 2002-07-24 | 2005-07-26 | Novartis Ag | Translating contact lens having a ramped ridge |
JP4310426B2 (ja) | 2002-07-25 | 2009-08-12 | 米原技研有限会社 | 加圧遠心ポンプの気体の混入構造 |
US6767181B2 (en) | 2002-10-10 | 2004-07-27 | Visteon Global Technologies, Inc. | Fuel pump |
US20040208763A1 (en) * | 2003-04-21 | 2004-10-21 | Visteon Global Technologies, Inc. | Regenerative ring impeller pump |
DE10348008A1 (de) | 2003-10-15 | 2005-05-19 | Siemens Ag | Kraftstoffpumpe |
JP4672420B2 (ja) * | 2005-04-08 | 2011-04-20 | 愛三工業株式会社 | 燃料ポンプ |
JP4396750B2 (ja) * | 2007-09-14 | 2010-01-13 | 株式会社デンソー | 燃料ポンプ |
-
2010
- 2010-01-12 DE DE102010004379A patent/DE102010004379A1/de not_active Withdrawn
- 2010-12-09 WO PCT/EP2010/069241 patent/WO2011082930A1/fr active Application Filing
- 2010-12-09 EP EP10787483.6A patent/EP2513483B1/fr active Active
- 2010-12-09 JP JP2012543611A patent/JP5744056B2/ja active Active
- 2010-12-09 US US13/516,618 patent/US9638192B2/en active Active
- 2010-12-09 CN CN201080057721.6A patent/CN102812252B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
DE102010004379A1 (de) | 2011-06-22 |
US20120301289A1 (en) | 2012-11-29 |
JP2013514482A (ja) | 2013-04-25 |
EP2513483A1 (fr) | 2012-10-24 |
WO2011082930A1 (fr) | 2011-07-14 |
CN102812252B (zh) | 2016-06-08 |
US9638192B2 (en) | 2017-05-02 |
JP5744056B2 (ja) | 2015-07-01 |
CN102812252A (zh) | 2012-12-05 |
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