WO2011012364A2 - Zahnradpumpe - Google Patents
Zahnradpumpe Download PDFInfo
- Publication number
- WO2011012364A2 WO2011012364A2 PCT/EP2010/057973 EP2010057973W WO2011012364A2 WO 2011012364 A2 WO2011012364 A2 WO 2011012364A2 EP 2010057973 W EP2010057973 W EP 2010057973W WO 2011012364 A2 WO2011012364 A2 WO 2011012364A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ring
- gear pump
- toothed ring
- bearing
- gear
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/008—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/22—Manufacture essentially without removing material by sintering
Definitions
- the present invention relates to a gear pump according to the preamble of claim 1.
- Gear pumps include, inter alia, internal gear and gerotor pumps in which a driving gear is eccentric in the internal toothing of a toothed ring.
- Internal gear pumps which are particularly suitable for providing high pressures, are used to deliver fluids, such as for example, to deliver fuel to an internal combustion engine.
- the feed pump comprises a first gear and a second gear. Between the two gears, a delivery chamber is formed.
- the second gear is stored in its center on a thorn.
- the first gear is an external gear and forms the rotor
- the second gear is an internal gear, which is entrained in the eccentric center of the first gear.
- the first gear comprises glued permanent magnets, which are distributed over the circumference.
- External magnetic field generators generate a rotating, rotating field which causes the direct motoring of the rotor.
- the problem with such configurations is the bearing of the toothed ring, which must take over the driving torque of the electric motor.
- EP 1 600 635 A2 describes an internal gear pump which has a pump section with an inner rotor formed on its outer periphery with teeth.
- An outer rotor has on its inner
- a gear pump for conveying a fluid with a rotatably mounted on a journal externally toothed gear and an internally toothed ring are provided, which are for generating a conveying effect in meshing engagement, and which are arranged together with an electrically commutatable stator in a housing, wherein the Stator concentrically extends around the toothed ring and cooperates with a magnetic ring for generating an electromotive force, wherein the magnetic ring with the toothed ring for generating the conveying effect a Rotationsbewe- performs, wherein the toothed ring is supported by a sliding bearing.
- the magnetic ring between the stator and the toothed ring is arranged.
- the magnetic ring has no Gleitlageraufgabe.
- the tasks of sliding bearing are advantageously taken over by other components of the réelle leopard- wheel pump and the toothed ring itself.
- the magnetic ring and the toothed ring are rotatably connected to each other.
- a driving torque is transmitted from the rotating electromagnetic field to the magnet ring and further to the ring gear of the internal gear pump or gerotor pump.
- the magnetic ring itself does not take over storage function. This is advantageously taken over by other components, preferably by the toothed ring itself.
- the toothed ring is made of a non-magnetic material. This achieves a magnetic decoupling between the individual components.
- the bearing of the toothed ring is provided by a ring-shaped portion, which is formed at least on a surface opposite the toothed ring as a sliding bearing.
- a second radial gap with a value of 0.1 to 0.5 mm is formed between the stator and the magnetic ring.
- the ring-shaped section is formed integrally with the housing and protrudes radially inwardly from the latter.
- the annular-shaped portion is pressed or glued into the housing. - A -
- the mounting of the toothed ring is provided by a disk-shaped element which has a bearing journal which protrudes from the disk-shaped element and which is received in a corresponding recess provided in the housing.
- the surface of the journal is designed as a plain bearing.
- an inner wall of the recess may be formed as a sliding bearing.
- the fuel connections are to be manufactured in the housing.
- FIG. 1 shows a section through an internal gear pump according to the prior art
- Fig. 5 is a plan view of the internal gear pump of Fig. 4;
- Fig. 1 shows a section through an internal gear pump 1 according to the prior art.
- the internal gear pump 1 comprises a gear pair, which consists of an internally toothed ring gear 2 and an externally toothed gear wheel 3.
- the gear 3 is arranged eccentrically to the toothed ring 2 rotatably on a bearing journal 4. If the toothed ring 2 is set in a rotary motion, then meshes with the external teeth of the gear 3 in the internal toothing of the toothed ring 2 and generates a delivery volume flow of the fluid in which the toothing runs.
- the gear pair of the toothed ring 2 and the gear 3 is arranged in a housing 5, wherein the bearing pin 4 is integrally formed or integrally with the housing 5.
- the toothed ring 2 is also rotatably connected to a magnetic ring 6, wherein the magnetic ring 6 extends radially around the toothed ring 2.
- the magnetic ring 6 runs in an inner side of a stator 7, which has an electric winding 8. If the electric winding 8 is commutated electrically by a controller, a circulating magnetic field is generated in the stator 7. Due to the rotating magnetic field of the magnet ring 6 is set in rotation, wherein due to the rotationally fixed connection of the magnet ring 6 with the toothed ring 2, the teeth consisting of the toothed ring 2 and the gear 3 is put into operation.
- the magnetic ring 6 is slidably mounted on the stator 7.
- the magnetic ring 6 is provided with a corresponding coating of a suitable sliding material. This design is for the
- connection cover 9 The open side of the housing 5 of the internal gear pump 1 is closed by means of a connection cover 9, wherein a sealing element 10 is provided for the fluid-tight sealing of the gaps between the connection cover 9 and the housing 5.
- the sealing element 10 is designed as an O-ring and is arranged in a corresponding circumferential groove (not shown) within the connection cover 9.
- Fig. 2 shows a section through an internal gear pump 1 according to one embodiment.
- the internal gear pump 1 according to the embodiment shown here differs essentially from the internal gear pump 1 shown in FIG. 1 in that the magnet ring 6 does not assume the bearing function but the outer ring or the toothed ring 2 is supported by a plain bearing.
- the magnetic ring 6 and the toothed ring 2 are either positively connected, or the connection is in the embodiment by z. B. bonding the two components together.
- a drive torque is transmitted from a rotating electromagnetic field to the magnet ring 6 and further to the toothed ring 2 of the internal gear pump 1.
- the gear 3 is made of non-magnetic Material produced.
- annular formed portion 1 1 is provided, which is here formed integrally or integrally with the housing 5 and projects radially from an inner wall 14 of the housing 5.
- the ring-shaped portion 1 1 is formed on a toothed ring 2 opposite the first surface 15 as a sliding bearing 25.
- a first radial gap 12 is present between a second surface 16 of the annular portion 1 1, which is opposite to the magnetic ring 6, and the magnetic ring 6, a first radial gap 12 is present.
- Another second radial gap 13 is designed between the magnet ring 6 and the stator 7 to small values with the aim of achieving a good torque transmission and low hydraulic friction.
- the width of the second radial gap 12, 13 is in a range of 0.1 to 0.5 mm.
- FIG. 3 shows a section through an internal gear pump 1 according to a further embodiment, which differs from the internal gear pump 1 shown in FIG. 2 in that in this embodiment the annular section 11 is not made integral with the housing 5 but instead is manufactured as a separate component.
- the ring-shaped portion 1 1 with bearing function is in the housing 5 and in a recess 17, which is provided in the inner wall 14 of the housing 5, pressed or glued.
- FIG. 4 shows a section through an internal gear pump 1 according to yet another embodiment, wherein the bearing function for the toothed ring 2 assumes a disk-shaped element 18, which has a bearing journal 19 projecting radially from the disk-shaped element 18.
- the bearing pin 19 of the disk-shaped element 18 is arranged or mounted in a recess 20 formed in the bearing journal 4 of the housing 5, the disk-shaped element 18 abutting against the toothed ring 2 from the outside.
- the sliding bearing 25 is provided in this case between the bearing pin 19 of the disc-shaped element 18 and the bearing pin 4 of the housing 5.
- either the surface of the bearing journal 19 or the inner wall 21 of the formed in the bearing journal 4 of the housing 5 recess 20 may be formed as a sliding bearing.
- Fig. 5 shows a plan view of the internal gear pump 1 of Fig. 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080038228.XA CN102483058B (zh) | 2009-07-31 | 2010-06-08 | 齿轮泵 |
JP2012522054A JP5536885B2 (ja) | 2009-07-31 | 2010-06-08 | 歯車ポンプ |
US13/387,408 US8974207B2 (en) | 2009-07-31 | 2010-06-08 | Gear pump |
RU2012107225/06A RU2540346C2 (ru) | 2009-07-31 | 2010-06-08 | Шестеренный насос |
EP10722710.0A EP2459880B1 (de) | 2009-07-31 | 2010-06-08 | Zahnradpumpe |
IN753DEN2012 IN2012DN00753A (de) | 2009-07-31 | 2012-01-25 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910028154 DE102009028154A1 (de) | 2009-07-31 | 2009-07-31 | Zahnradpumpe |
DE102009028154.1 | 2009-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011012364A2 true WO2011012364A2 (de) | 2011-02-03 |
WO2011012364A3 WO2011012364A3 (de) | 2012-02-09 |
Family
ID=43402330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/057973 WO2011012364A2 (de) | 2009-07-31 | 2010-06-08 | Zahnradpumpe |
Country Status (8)
Country | Link |
---|---|
US (1) | US8974207B2 (de) |
EP (1) | EP2459880B1 (de) |
JP (1) | JP5536885B2 (de) |
CN (1) | CN102483058B (de) |
DE (1) | DE102009028154A1 (de) |
IN (1) | IN2012DN00753A (de) |
RU (1) | RU2540346C2 (de) |
WO (1) | WO2011012364A2 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8492052B2 (en) | 2009-10-08 | 2013-07-23 | Fluidic, Inc. | Electrochemical cell with spacers for flow management system |
WO2013127626A2 (de) | 2012-02-27 | 2013-09-06 | Ixetic Bad Homburg Gmbh | Pumpenanordnung |
US8659268B2 (en) | 2010-06-24 | 2014-02-25 | Fluidic, Inc. | Electrochemical cell with stepped scaffold fuel anode |
US8911910B2 (en) | 2010-11-17 | 2014-12-16 | Fluidic, Inc. | Multi-mode charging of hierarchical anode |
US9178207B2 (en) | 2010-09-16 | 2015-11-03 | Fluidic, Inc. | Electrochemical cell system with a progressive oxygen evolving electrode / fuel electrode |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8840385B2 (en) | 2011-03-03 | 2014-09-23 | Ti Group Automotive Systems, L.L.C. | Positive displacement fluid pump |
KR102150609B1 (ko) * | 2014-02-21 | 2020-09-01 | 엘지이노텍 주식회사 | 모터 |
EP3253968A1 (de) * | 2015-02-06 | 2017-12-13 | Robert Bosch GmbH | Pumpeinheit für die kraftstoffzufuhr, vorzugsweise diesel, an einen verbrennungsmotor |
DE102015213387A1 (de) * | 2015-07-16 | 2017-01-19 | Robert Bosch Gmbh | Rotationskolbenpumpe |
JP6190938B1 (ja) * | 2016-10-11 | 2017-08-30 | 大同機械製造株式会社 | 内転歯車ポンプ |
DE102017223715A1 (de) | 2017-12-22 | 2019-06-27 | Magna Powertrain Bad Homburg GmbH | Gerotorpumpe und Verfahren zur Herstellung einer solchen |
CN114320890A (zh) * | 2022-01-10 | 2022-04-12 | 淮安市虎力液压机械有限公司 | 一种高稳定性的液压齿轮泵 |
DE102022208141A1 (de) | 2022-08-04 | 2024-02-15 | Vitesco Technologies GmbH | Pumpe, insbesondere Getriebeölpumpe |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0501236A1 (de) * | 1991-02-27 | 1992-09-02 | Fresenius AG | Pumpe, insbesondere gekapselte medizinische Pumpe |
EP1096149A2 (de) * | 1999-10-26 | 2001-05-02 | Tuthill Corporation | Verdrängungspumpe mit Axiallageranordnung |
EP1172561A2 (de) * | 2000-07-13 | 2002-01-16 | Schwäbische Hüttenwerke GmbH | Pumpe mit Magnetkupplung |
EP1566545A2 (de) * | 2004-02-23 | 2005-08-24 | Aisin Seiki Kabushiki Kaisha | Elektrische Innenzahnradpumpe |
DE102006037177A1 (de) * | 2006-08-09 | 2008-02-14 | Robert Bosch Gmbh | Innenzahnradpumpe |
DE202009000690U1 (de) * | 2009-01-16 | 2009-04-09 | Gather Industrie Gmbh | Rotationsverdrängerpumpe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59226647A (ja) * | 1983-06-02 | 1984-12-19 | Matsushita Electric Ind Co Ltd | 直流モ−タ |
US7137793B2 (en) | 2004-04-05 | 2006-11-21 | Peopleflo Manufacturing, Inc. | Magnetically driven gear pump |
JP4272112B2 (ja) | 2004-05-26 | 2009-06-03 | 株式会社日立製作所 | モータ一体型内接歯車式ポンプ及び電子機器 |
JP3996919B2 (ja) * | 2004-08-20 | 2007-10-24 | 信越化学工業株式会社 | 永久磁石モータ |
JP4237731B2 (ja) * | 2005-05-31 | 2009-03-11 | 株式会社日立製作所 | モータ一体型内接歯車式ポンプ及びその製造方法並びに電子機器 |
DE102006007554A1 (de) | 2006-02-16 | 2007-08-23 | Hydraulik-Ring Gmbh | Förderpumpe, insbesondere für Harnstoffwasserlösung als Abgasnachbehandlungsmedium |
CN200989300Y (zh) * | 2006-08-15 | 2007-12-12 | 兰州理工大学 | 一种液压电机内啮合齿轮泵 |
US20090167104A1 (en) * | 2008-01-02 | 2009-07-02 | Dunn Randy B | Stackable brushless DC motor |
-
2009
- 2009-07-31 DE DE200910028154 patent/DE102009028154A1/de not_active Withdrawn
-
2010
- 2010-06-08 JP JP2012522054A patent/JP5536885B2/ja not_active Expired - Fee Related
- 2010-06-08 EP EP10722710.0A patent/EP2459880B1/de not_active Not-in-force
- 2010-06-08 RU RU2012107225/06A patent/RU2540346C2/ru active
- 2010-06-08 WO PCT/EP2010/057973 patent/WO2011012364A2/de active Application Filing
- 2010-06-08 CN CN201080038228.XA patent/CN102483058B/zh not_active Expired - Fee Related
- 2010-06-08 US US13/387,408 patent/US8974207B2/en not_active Expired - Fee Related
-
2012
- 2012-01-25 IN IN753DEN2012 patent/IN2012DN00753A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0501236A1 (de) * | 1991-02-27 | 1992-09-02 | Fresenius AG | Pumpe, insbesondere gekapselte medizinische Pumpe |
EP1096149A2 (de) * | 1999-10-26 | 2001-05-02 | Tuthill Corporation | Verdrängungspumpe mit Axiallageranordnung |
EP1172561A2 (de) * | 2000-07-13 | 2002-01-16 | Schwäbische Hüttenwerke GmbH | Pumpe mit Magnetkupplung |
EP1566545A2 (de) * | 2004-02-23 | 2005-08-24 | Aisin Seiki Kabushiki Kaisha | Elektrische Innenzahnradpumpe |
DE102006037177A1 (de) * | 2006-08-09 | 2008-02-14 | Robert Bosch Gmbh | Innenzahnradpumpe |
DE202009000690U1 (de) * | 2009-01-16 | 2009-04-09 | Gather Industrie Gmbh | Rotationsverdrängerpumpe |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8492052B2 (en) | 2009-10-08 | 2013-07-23 | Fluidic, Inc. | Electrochemical cell with spacers for flow management system |
US8659268B2 (en) | 2010-06-24 | 2014-02-25 | Fluidic, Inc. | Electrochemical cell with stepped scaffold fuel anode |
US9178207B2 (en) | 2010-09-16 | 2015-11-03 | Fluidic, Inc. | Electrochemical cell system with a progressive oxygen evolving electrode / fuel electrode |
US8911910B2 (en) | 2010-11-17 | 2014-12-16 | Fluidic, Inc. | Multi-mode charging of hierarchical anode |
WO2013127626A2 (de) | 2012-02-27 | 2013-09-06 | Ixetic Bad Homburg Gmbh | Pumpenanordnung |
US10018198B2 (en) | 2012-02-27 | 2018-07-10 | Magna Powertrain Bad Homburg GmbH | Pump arrangement having temperature control components |
Also Published As
Publication number | Publication date |
---|---|
WO2011012364A3 (de) | 2012-02-09 |
RU2012107225A (ru) | 2013-09-10 |
CN102483058B (zh) | 2015-10-07 |
IN2012DN00753A (de) | 2015-06-19 |
RU2540346C2 (ru) | 2015-02-10 |
EP2459880B1 (de) | 2017-01-04 |
DE102009028154A1 (de) | 2011-02-03 |
JP2013500430A (ja) | 2013-01-07 |
EP2459880A2 (de) | 2012-06-06 |
JP5536885B2 (ja) | 2014-07-02 |
US20120148426A1 (en) | 2012-06-14 |
US8974207B2 (en) | 2015-03-10 |
CN102483058A (zh) | 2012-05-30 |
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