EP2513483A1 - Fuel pump - Google Patents
Fuel pumpInfo
- Publication number
- EP2513483A1 EP2513483A1 EP10787483A EP10787483A EP2513483A1 EP 2513483 A1 EP2513483 A1 EP 2513483A1 EP 10787483 A EP10787483 A EP 10787483A EP 10787483 A EP10787483 A EP 10787483A EP 2513483 A1 EP2513483 A1 EP 2513483A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- sectional area
- fuel pump
- channel
- region
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 230000007423 decrease Effects 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- CYJRNFFLTBEQSQ-UHFFFAOYSA-N 8-(3-methyl-1-benzothiophen-5-yl)-N-(4-methylsulfonylpyridin-3-yl)quinoxalin-6-amine Chemical compound CS(=O)(=O)C1=C(C=NC=C1)NC=1C=C2N=CC=NC2=C(C=1)C=1C=CC2=C(C(=CS2)C)C=1 CYJRNFFLTBEQSQ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- Subject matter of the invention is a fuel pump with a driven, rotating in a pump housing, in its sides each having a ring vane chambers bounding vanes having impeller and arranged on both sides in the region of the vanes in the pump housing partially annular channels, which with the vane chambers for conveying fuel Forming delivery chambers, wherein an inlet channel into the one delivery chamber and the other randomlykam ⁇ mer opens into an outlet channel and mutuallytablelie ⁇ ing blade chambers are interconnected.
- 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. 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 and the electric motor of the fuel pump to a pre ⁇ line, which directs the fuel to Brennkraftma ⁇ machine .
- the guide vanes in the delivery chambers thereby generate a circulation flow running transversely to the direction of movement of the guide vanes, which enters the partially annular channel in the radially outer region of the impeller and flows from radially outward to radially inward in the partially annular channel, radially inside the partially annular channel leaves and radially inside a blade chamber of Laufra ⁇ the re enters.
- the circulation flow is thus distributed in half on the part-annular channel and the show ⁇ felsch screeningn.
- the partially annular channels end. While the outlet side channel more or As the exhaust port changes less into the exhaust passage, the intake side passage reduces its cross sectional area to zero. This Ver ⁇ ring réelle the cross-sectional area usually takes place over an angular range up to 40 °.
- a disadvantage with these fuel pumps force that they generate a significant noise level which is particularly troublesome in an assembly in a motor ⁇ fuel tank of a motor vehicle.
- the invention is therefore based on the object to provide a fuel pump with significantly reduced noise emissions, the fuel pump should be inexpensive to produce.
- the object is achieved with a fuel pump characterized in that the cross-sectional area of the inlet side is arranged part-annular channel is reduced to the end of the part-ring ⁇ shaped channel to zero, wherein the range in which the cross-sectional area decreases, a win ⁇ angle range of more than 45 ° extends.
- a sufficiently shallow rise of the partially annular channel with a concomitant reduction in the cross-sectional area is achieved with an angular range of 70 ° to 150 °, in particular of 90 °.
- the DHW circulation ⁇ onsströmung has time to shift sufficiently to.
- the part-ring-shaped channel is designed in the region of reduction of the cross-sectional area in such a way that the reduction in the cross-sectional area takes place uniformly. That is, the slope of the semi-annular channel is straight.
- the range of reduction of the cross-sectional area of two areas ⁇ part is formed, whereby the cross-sectional area more decreased in the first portion than in the second rich ⁇ Operabe. This ensures that in the first part of a stronger influence on the circulation flow takes place, with the associated increased noise emissions, however, to a much lesser extent than is known in the prior art. In contrast, in the second subarea, there is a particularly small influence on the circulating flow. 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. This circumstance is not insignificant insofar as begins with the end of the part-annular channel of the scraper, which in each case the end and the beginning of the ⁇ ring-shaped channels and thus outlet and inlet with each other connects, and the area of the scraper is also a Be ⁇ rich noise emissions.
- the two subregions are particularly easily formed when the reduction of the cross-sectional area therefore occurs uniformly in both partial areas ⁇ and each straight line.
- a transition between the two portions in the form of a kink is avoided in another embodiment that the two sections merge continuously into one another, so that the channel bottom of the partially annular channel, based on the length of the two partial areas, konvexartig approximates the running ⁇ rad.
- 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.
- the invention will be explained in more detail. It show in
- FIG. 1 a fuel pump according to the invention
- FIG. 2 is a schematic sectional view of the pump housing
- Figure 3-5 further embodiments of the pump housing.
- the fuel pump 1 shows a fuel pump 1 for pumping force ⁇ material from a fuel tank 2 of a motor vehicle 3 to an internal combustion engine, the fuel pump 1 has a pump stage having a pump housing 4 which consists of a
- Pump cover 5 and a pump bottom 6 is.
- Pumpenge ⁇ 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 fuel tank 2 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 ⁇ limit chamber 18, 19.
- the pump housing 4 has in the region of the blades 15, 15a, 15b on both sides in each case a part-annular channel 16, 17.
- the delivery chambers 20, 21 are split in half on each a partially annular channel 16, 17 and the blade ⁇ chambers 18, 19, the respective teilringförmi- gene channel 16 , 17 opposite each other.
- 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.
- the part-annular channel 17 in the pump base 6 over large parts of its extension has a constant cross-sectional area
- the part ⁇ annular channel 16 in the pump cover 5 its end a loading rich 23 with a decreasing cross-sectional area.
- this area is limited by the letters A and B.
- This region extends over a Winkelbe ⁇ range from 90 °, even more angle ranges may be possible by for example 110 ° ⁇ game. Over the course of the region 23, the cross-sectional area decreases constantly, so that there is a straight course of the channel bottom.
- Figure 3 shows a second embodiment, which differs from the fuel pump of Figure 2 only in the formation of the region 23.
- the area is divided into two Partbe ⁇ rich 24, 25, the first portion 24 a greater reduction of the cross-sectional area than the second Part 25 has.
- the first sectionbe ⁇ rich extends over an angular extent of 30 °
- the second portion 25 extends over 60 °.
- Both sections 24, 25 each have a rectilinear channel bottom.
- FIG. 4 A further embodiment is shown in FIG. 4.
- the channel bottom in region 23 bulges convexly in the direction of impeller 7, the curvature being formed most strongly at the beginning of region 23, relative to the direction of rotation of impeller 7.
- the About ⁇ transition from the part-annular channel 17 to the area 23 is formed in the form of a kink at the point A. However, 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)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009058672 | 2009-12-16 | ||
DE102010004379A DE102010004379A1 (en) | 2009-12-16 | 2010-01-12 | Fuel pump |
PCT/EP2010/069241 WO2011082930A1 (en) | 2009-12-16 | 2010-12-09 | Fuel pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2513483A1 true EP2513483A1 (en) | 2012-10-24 |
EP2513483B1 EP2513483B1 (en) | 2016-05-25 |
Family
ID=43760003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10787483.6A Active EP2513483B1 (en) | 2009-12-16 | 2010-12-09 | Fuel pump |
Country Status (6)
Country | Link |
---|---|
US (1) | US9638192B2 (en) |
EP (1) | EP2513483B1 (en) |
JP (1) | JP5744056B2 (en) |
CN (1) | CN102812252B (en) |
DE (1) | DE102010004379A1 (en) |
WO (1) | WO2011082930A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013200713A1 (en) * | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Side channel pump with asymmetrical cross sections of the side channels |
DE102013220717B4 (en) * | 2013-10-14 | 2016-04-07 | Continental Automotive Gmbh | pump |
WO2020149382A1 (en) * | 2019-01-16 | 2020-07-23 | 株式会社ミツバ | Non-positive displacement type pump and liquid supply device |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT109069B (en) | 1927-01-24 | 1928-03-10 | Rudolph Siegel | Self-priming centrifugal pump. |
JPS62120078A (en) | 1985-11-20 | 1987-06-01 | Fujitsu Ltd | Manufacture of semiconductor device |
JPS6425494A (en) | 1987-07-21 | 1989-01-27 | Mitsubishi Electric Corp | Semiconductor laser device and manufacture thereof |
JPS6425494U (en) * | 1987-08-05 | 1989-02-13 | ||
JPH02103194U (en) * | 1989-01-31 | 1990-08-16 | ||
JP3237360B2 (en) | 1993-02-04 | 2001-12-10 | 株式会社デンソー | Regenerative pump and its casing |
DE4343078B4 (en) * | 1993-12-16 | 2007-09-13 | Robert Bosch Gmbh | Aggregate for conveying fuel from a storage tank to an internal combustion engine |
DE19643728A1 (en) | 1996-10-23 | 1998-04-30 | Mannesmann Vdo Ag | Feed pump |
US6068456A (en) | 1998-02-17 | 2000-05-30 | Walbro Corporation | Tapered channel turbine fuel pump |
JP4049488B2 (en) | 1999-08-25 | 2008-02-20 | 大建産業株式会社 | Tunnel waterproof sheet laying device |
JP3519654B2 (en) * | 1999-12-03 | 2004-04-19 | 米原技研有限会社 | Pressurized centrifugal pump |
US6527506B2 (en) * | 2000-03-28 | 2003-03-04 | Delphi Technologies, Inc. | Pump section for fuel pump |
DE10019911A1 (en) | 2000-04-20 | 2001-10-25 | Mannesmann Vdo Ag | Feed pump esp. in surge chamber of motor vehicle fuel tank has rotor with several planes and rings of guide blades located in different planes |
US6921168B2 (en) * | 2002-07-24 | 2005-07-26 | Novartis Ag | Translating contact lens having a ramped ridge |
JP4310426B2 (en) | 2002-07-25 | 2009-08-12 | 米原技研有限会社 | Gas mixing structure of pressurized centrifugal pump |
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 (en) | 2003-10-15 | 2005-05-19 | Siemens Ag | Fuel pump |
JP4672420B2 (en) * | 2005-04-08 | 2011-04-20 | 愛三工業株式会社 | Fuel pump |
JP4396750B2 (en) * | 2007-09-14 | 2010-01-13 | 株式会社デンソー | Fuel pump |
-
2010
- 2010-01-12 DE DE102010004379A patent/DE102010004379A1/en not_active Withdrawn
- 2010-12-09 EP EP10787483.6A patent/EP2513483B1/en active Active
- 2010-12-09 US US13/516,618 patent/US9638192B2/en active Active
- 2010-12-09 WO PCT/EP2010/069241 patent/WO2011082930A1/en active Application Filing
- 2010-12-09 JP JP2012543611A patent/JP5744056B2/en active Active
- 2010-12-09 CN CN201080057721.6A patent/CN102812252B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011082930A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102812252B (en) | 2016-06-08 |
DE102010004379A1 (en) | 2011-06-22 |
JP5744056B2 (en) | 2015-07-01 |
US20120301289A1 (en) | 2012-11-29 |
WO2011082930A1 (en) | 2011-07-14 |
CN102812252A (en) | 2012-12-05 |
US9638192B2 (en) | 2017-05-02 |
EP2513483B1 (en) | 2016-05-25 |
JP2013514482A (en) | 2013-04-25 |
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