WO2002048551A1 - Förderpumpe - Google Patents
Förderpumpe Download PDFInfo
- Publication number
- WO2002048551A1 WO2002048551A1 PCT/DE2001/004675 DE0104675W WO0248551A1 WO 2002048551 A1 WO2002048551 A1 WO 2002048551A1 DE 0104675 W DE0104675 W DE 0104675W WO 0248551 A1 WO0248551 A1 WO 0248551A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- impeller
- feed pump
- chambers
- delivery
- pump according
- Prior art date
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
- F04D5/006—Regenerative pumps of multistage type the stages being axially offset
Definitions
- the invention relates to a feed pump with a driven impeller which rotates in a pump housing and has at least one ring of vane chambers in its end faces and has at least one partially annular channel which is arranged in the region of the guide vanes in the pump housing and which has a delivery chamber with the vane chambers forms an inlet duct to an outlet duct.
- feed pumps are often used, for example, in today's motor vehicles to deliver fuel or window cleaning fluid and are known from practice.
- the impeller of the known feed pump is attached to a shaft of an electric motor.
- the feed pump has pockets connected to one another in a radially inner region of the impeller, as seen from the blade chambers, for collecting the fluid to be conveyed by the pump. These pockets form an axial slide bearing with the fluid.
- a disadvantage of the known feed pump is that the impeller and thus the shaft driving the impeller are very heavily loaded in the radial direction, since the pressure inside the delivery chamber in the area of the outlet channel is substantially greater than in the area of the inlet channel. This leads to a very large friction in the bearings of the impeller. The friction also reduces the efficiency of the feed pump.
- the invention is based on the problem of designing a feed pump of the type mentioned at the outset in such a way that it has the highest possible efficiency.
- the feed pump according to the invention thus has a particularly high efficiency.
- Another advantage of this design of the feed pump according to the invention is that it is very low-wear and therefore has a particularly long service life.
- the feed pump according to the invention can have a multiplicity of feed chambers if the feed chambers each extend over a fraction of their circular diameter.
- the delivery chambers of the delivery pump according to the invention extend over almost their entire circular diameter if the delivery chambers are arranged on opposite end faces of the impeller. As a result, the feed pump according to the invention has a particularly high efficiency.
- axial forces can be distributed evenly over one side of the impeller if they are on both end faces of the impeller arranged blade chambers overlap and when the inlet channels of the delivery chambers are arranged on one end of the impeller and the outlet channels on the other end of the impeller.
- the feed pump according to the invention is flowed through axially by this design and can therefore be arranged in a particularly space-saving manner, for example in a feed unit for fuel in a motor vehicle.
- a bearing of the impeller 'designed in accordance with another advantageous development of the invention a particularly simple construction, when on the side opposite the radial bearing face of the impeller a thrust bearing disposed between the impeller and an electric motor driving the impeller is a radial bearing and.
- the axial bearing is of particularly simple construction and can therefore be manufactured particularly cost-effectively if the axial bearing has a ball provided for supporting a shaft driving the impeller.
- the feed pump according to the invention has particularly low flow losses and thus a very high degree of efficiency if the outlet channels and / or the inlet channels are arranged pointing in the radial direction towards the delivery chambers.
- Fig.l a feed pump according to the invention in the longitudinal cut
- FIG. 2 shows the feed pump from FIG. 1 in a sectional view along the line II-II
- FIG. 3 shows a further embodiment of the feed pump according to the invention in longitudinal section
- FIG. 4 shows the feed pump from FIG. 3 in a sectional view along the line IV-IV.
- FIG. 1 shows a feed pump 2 driven by an electric motor 1 with an impeller 4 rotating in a pump housing 3.
- the feed pump 2 is designed as a side channel pump and can be used, for example, to deliver fuel or windshield washer fluid in a motor vehicle.
- the impeller 4 is attached to a shaft 5 of the electric motor 1.
- the feed pump 2 has two separate feed chambers 6, 7.
- the feed chambers 6, 7 each have a partially annular channel 8, 9 arranged in the pump housing 3 and vane chambers 12, 13 delimited by guide vanes 10, 11 of the impeller 4.
- the shaft 5 has near the electric motor 1 a radial bearing 14 and below the impeller 4 an axial bearing 15 with a ball 16 arranged in the pump housing 3.
- the ball 16 is hardened like the shaft 5.
- Pockets 18, 19 connected to one another via channels 17 are incorporated in the end faces of the impeller 4.
- the pockets 18, 19 are filled with leakage from the fluid to be pumped and form 3 axial sliding bearings with the opposite wall of the pump housing.
- the feed chambers 6, 7 each have an inlet channel 20, 21 and an outlet channel 22, 23.
- the inlet channels 20, 21 open out each in the beginning of the partially annular channels 8, 9.
- the outlet channels 22, 23 are arranged in the flow direction of the fluid to be pumped at the ends of the partially annular channels 8, 9.
- the direction of rotation of the impeller 4 and the flow directions in the inlet channels 20, 21 and the outlet channels 22, 23 are indicated by arrows.
- the guide vanes 10, 11 When the impeller 4 rotates, the guide vanes 10, 11 generate circulation currents in the delivery chambers 6, 7 and convey the fluid from the inlet channels 20, 21 to the outlet channels 22, 23.
- the inlet channels 20, 21 and the outlet channels 22, 23 are each other arranged opposite. Since a greater pressure prevails in the feed chambers 6, 7 near the outlet channels 22, 23 than at the inlet channels 20, 21, the radial forces acting on the impeller 4 are canceled out by this design.
- the figures also show
- FIG. 3 shows a delivery pump 25 driven by an electric motor 24 with delivery chambers 27, 28 penetrating an impeller 26.
- the feed pump 25 On its side facing away from the electric motor 24, the feed pump 25 has two inlet channels 31, 32 opening from radially outside in each case into a feed chamber 27, 28.
- FIG. 4 shows in a cross section through the feed pump 25 from FIG. 3 along the line IV-IV that the delivery chambers 27, 28 extend over a fraction of their circular diameter.
- the delivery chambers 27, 28 each have a slightly radially outwardly directed outlet channel 33, 34.
- the outlet channels 33, 34 and thus also the inlet channels 31, 32 are arranged opposite one another so that the impeller
- FIG. 3 shows playfully on one of the outlet channels 33 that the outlet channels 33, 34 penetrate a pump housing 35 in the direction of the electric motor 24.
- This feed pump 25 is designed as a side channel pump.
- the feed pump 25 can also be designed as a peripheral pump with vane chambers arranged in the outer circumference.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sliding-Contact Bearings (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/450,264 US6942446B2 (en) | 2000-12-14 | 2001-12-13 | Feed pump |
BR0116081-8A BR0116081A (pt) | 2000-12-14 | 2001-12-13 | Bomba de alimentação |
EP01984706A EP1348078A1 (de) | 2000-12-14 | 2001-12-13 | Förderpumpe |
JP2002549841A JP2004515696A (ja) | 2000-12-14 | 2001-12-13 | フィードポンプ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10062451A DE10062451A1 (de) | 2000-12-14 | 2000-12-14 | Förderpumpe |
DE10062451.0 | 2000-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002048551A1 true WO2002048551A1 (de) | 2002-06-20 |
Family
ID=7667221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/004675 WO2002048551A1 (de) | 2000-12-14 | 2001-12-13 | Förderpumpe |
Country Status (7)
Country | Link |
---|---|
US (1) | US6942446B2 (de) |
EP (1) | EP1348078A1 (de) |
JP (1) | JP2004515696A (de) |
CN (1) | CN1481477A (de) |
BR (1) | BR0116081A (de) |
DE (1) | DE10062451A1 (de) |
WO (1) | WO2002048551A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7165932B2 (en) * | 2005-01-24 | 2007-01-23 | Visteon Global Technologies, Inc. | Fuel pump having dual single sided impeller |
US7632060B2 (en) * | 2005-01-24 | 2009-12-15 | Ford Global Technologies, Llc | Fuel pump having dual flow channel |
DE102005042228B4 (de) * | 2005-09-05 | 2015-07-23 | DüRR DENTAL AG | Saugmaschine |
JP2010532446A (ja) * | 2007-07-02 | 2010-10-07 | ボーグワーナー・インコーポレーテッド | ポンプアセンブリ用の流入部の設計 |
JP5718906B2 (ja) | 2009-05-20 | 2015-05-13 | エドワーズ リミテッド | 並行して圧送する対称なロータディスクを備えたサイドチャネル型ポンプ |
CN102536906A (zh) * | 2010-12-17 | 2012-07-04 | 刘显海 | 一种双作用漩涡泵 |
US10060436B2 (en) * | 2016-01-27 | 2018-08-28 | Higra Industrial Ltda | Progressive vortex pump |
US10962013B2 (en) * | 2017-12-26 | 2021-03-30 | Ebs-Ray Pumps Pty Ltd | Regenerative turbine pumps |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4678395A (en) * | 1984-07-23 | 1987-07-07 | Friedrich Schweinfurter | Regenerative pump with force equalization |
US5702229A (en) * | 1996-10-08 | 1997-12-30 | Walbro Corporation | Regenerative fuel pump |
US6100618A (en) * | 1995-04-03 | 2000-08-08 | Sulzer Electronics Ag | Rotary machine with an electromagnetic rotary drive |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1861837A (en) * | 1926-07-12 | 1932-06-07 | Arthur W Burks | Rotary pump |
US1960659A (en) * | 1932-06-23 | 1934-05-29 | Arthur W Burks | Pumping apparatus |
DE725637C (de) * | 1940-11-12 | 1942-09-25 | Ing Frantisek Hejduk | Selbstansaugende Umlaufpumpe |
DE761490C (de) * | 1941-06-28 | 1954-01-25 | Siemens Schuckertwerke A G | Tauchpumpe |
US3259072A (en) * | 1964-10-26 | 1966-07-05 | Gen Motors Corp | Rotary fuel pump |
CH532195A (de) * | 1971-06-01 | 1972-12-31 | Bbc Brown Boveri & Cie | Kreiselpumpe und Verwendung derselben |
JPS61190191A (ja) * | 1985-02-20 | 1986-08-23 | Automob Antipollut & Saf Res Center | 車両用電動式燃料ポンプ |
DE19725249C2 (de) * | 1997-06-14 | 2002-05-02 | Siemens Ag | Förderpumpe |
KR100317013B1 (ko) * | 1997-08-07 | 2001-12-24 | 이토 히로미 | 전동식 연료 펌프의 임펠러 |
DE19817675A1 (de) * | 1998-04-21 | 1999-11-04 | Brinkmann Pumpen K H Brinkmann | Pumpaggregat |
DE19926587A1 (de) * | 1999-06-11 | 2000-12-14 | Mannesmann Vdo Ag | Kraftstoffpumpe für ein Kraftfahrzeug |
US6280157B1 (en) * | 1999-06-29 | 2001-08-28 | Flowserve Management Company | Sealless integral-motor pump with regenerative impeller disk |
DE10013907A1 (de) * | 2000-03-21 | 2001-09-27 | Mannesmann Vdo Ag | Förderpumpe |
DE10019911A1 (de) * | 2000-04-20 | 2001-10-25 | Mannesmann Vdo Ag | Förderpumpe |
DE10026490A1 (de) * | 2000-05-27 | 2001-11-29 | Bosch Gmbh Robert | Förderaggregat für Kraftstoff |
-
2000
- 2000-12-14 DE DE10062451A patent/DE10062451A1/de not_active Withdrawn
-
2001
- 2001-12-13 US US10/450,264 patent/US6942446B2/en not_active Expired - Fee Related
- 2001-12-13 EP EP01984706A patent/EP1348078A1/de not_active Withdrawn
- 2001-12-13 JP JP2002549841A patent/JP2004515696A/ja not_active Withdrawn
- 2001-12-13 CN CNA018205313A patent/CN1481477A/zh active Pending
- 2001-12-13 BR BR0116081-8A patent/BR0116081A/pt not_active Application Discontinuation
- 2001-12-13 WO PCT/DE2001/004675 patent/WO2002048551A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4678395A (en) * | 1984-07-23 | 1987-07-07 | Friedrich Schweinfurter | Regenerative pump with force equalization |
US6100618A (en) * | 1995-04-03 | 2000-08-08 | Sulzer Electronics Ag | Rotary machine with an electromagnetic rotary drive |
US5702229A (en) * | 1996-10-08 | 1997-12-30 | Walbro Corporation | Regenerative fuel pump |
Also Published As
Publication number | Publication date |
---|---|
US20040028521A1 (en) | 2004-02-12 |
BR0116081A (pt) | 2003-12-23 |
CN1481477A (zh) | 2004-03-10 |
JP2004515696A (ja) | 2004-05-27 |
DE10062451A1 (de) | 2002-06-20 |
EP1348078A1 (de) | 2003-10-01 |
US6942446B2 (en) | 2005-09-13 |
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