CN1488859A - G-转子泵 - Google Patents
G-转子泵 Download PDFInfo
- Publication number
- CN1488859A CN1488859A CNA031580262A CN03158026A CN1488859A CN 1488859 A CN1488859 A CN 1488859A CN A031580262 A CNA031580262 A CN A031580262A CN 03158026 A CN03158026 A CN 03158026A CN 1488859 A CN1488859 A CN 1488859A
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- CN
- China
- Prior art keywords
- rotor
- pump
- otch
- external
- internal
- 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.)
- Pending
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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
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
-
- 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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
-
- 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
- F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
-
- 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
- F04C2/084—Toothed wheels
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
Abstract
在用于汽车供油的G-转子泵中,在外转子(14)内设置多个切口(19)。可以将燃料的污垢颗粒收集在切口(19)内。由此,可以使外转子(14)和内转子(9)的相互滚动区域的磨损保持特别小。
Description
技术领域
本发明涉及特别是用作汽车供油泵的G-转子泵,它有一外转子和一可相对外转子运动的内转子,其中,在外转子和内转子之间限定出一供油室。
背景技术
这种G-转子泵通常也称为齿轮泵或者偏心泵并在实际应用中公开了。在这种实际已知的转子泵中,外转子具有内齿,内转子具有对应于内齿的外齿。外齿比内齿少一个齿,由此构成供油室。当内转子或者外转子传动时,内转子的外齿在外转子的内齿上滚动。供油泵用G-转子泵中的常见问题是:污垢颗粒进入转子之间,导致其磨损并因此降低了G-转子泵的使用寿命。因此,G-转子泵大都预接一个网眼特别细的过滤器。然而,由于污垢颗粒会很快堵塞过滤器,所以这种构造导致G-转子泵维护费用很高。
这种已知的G-转子泵的缺陷是,它对油流中的污垢颗粒非常敏感。
发明内容
依据本发明,这一问题可由此得以解决,即在外转子和/或内转子内设置多个切口。
通过这种构造,可以将污垢颗粒收集在切口内并因而不会到达转子的相互间滚动的齿面。随后,污垢颗粒从切口中被洗掉,或者切口长能时间地收集污垢颗粒。在这种情况,切口需要至少有与在油流中的污垢颗粒的数量相应的尺寸。本发明的G-转子泵由此在所供液体很脏的情况下仍然具有特别长的使用寿命。因此,G-转子泵不再需要网眼特别细的过滤器。因此,依据本发明的G-转子泵特别适合供油泵使用。
依据本发明的另一个有利的改进方案,若切口为设置在外转子齿根内的凹槽,则污垢颗粒通过油流会聚在切口里并可以留在那里。
依据本发明的另一个有利的改进方案,若切口为设置在内转子齿根内的凹槽,则污垢颗粒在离心力作用下易于从切口中甩出。
若将切口设置在外转子的全部齿根内或者内转子的全部齿根内,依据本发明的G-转子泵具有很强的污垢颗粒接受能力。
依据本发明的另一个有利的改进方案,若切口在外转子和/或内转子的整个高度上延伸,则内转子和外转子的边缘的磨损极小。
依据本发明的另一个有利的改进方案,若切口为槽形,则加工特别简便。
切口底部可呈锐角形或者角形。依据本发明的另一个有利的改进方案,若切口在其底部区域里有一半径,则可使污垢收集变得简单并有助于排出污垢颗粒。在这种情况下,切口的缺口应力集中同样极小。
若外转子和/或内转子由金属制成,有助于进一步延长本发明的G-转子泵的使用寿命。
若外转子和/或内转子由塑料制成,则有助于降低本发明的G-转子泵的制造成本。
在另一个改进方案中,根据切口的设置,底部和顶部可以由塑料和/或金属烧结体制成。
附图说明
本发明可以有很多实施方式。为进一步说明其基本原理,下面借助附图对其中两个实施方式进行说明。其中:
图1为带有依据本发明所述G-转子泵的供油单元纵剖面;
图2为沿图1的II-II线段G-转子泵的剖面放大图;
图3为另一实施方式的G-转子泵的剖面图。
具体实施方式
图1示出一供油单元1,它有一用于容纳电动机4和G-转子泵2的外壳3。G-转子泵2具有底部5和与底部5通过隔离架6保持规定距离的顶盖7。隔离架6和顶盖7在此是一体制成的。在顶盖7和底部5之间,布置一固定在电动机4的轴8上的内转子9。轴8具有平面10和凸台11,以便带动内转子9运动。内转子9由此只能在图中所示的位置上与轴8连接。内转子9具有图2所示的外齿12,所述外齿与外转子14的内齿13啮合。
顶盖7和底部5分别具有G-转子泵2的进口15和出口16。燃料由此通过顶盖7吸入并轴向流过G-转子泵2。供油单元1的外壳3具有连接管17,它用于连接图中未示出的管路。为清楚说明起见,在附图中,燃料流向用箭头标示。
图2示出沿图1的II-II线的G-转子泵2的剖面放大图。为简化附图,没有示出G-转子泵2的外壳3和隔离架6。内转子9的外齿12比外转子14的内齿少一个齿。由此形成供油室18,要供给的液体从图1所示的进口15输送到出口16。在图2中,用箭头表示内转子9和外转子14的转向。在外转子14的内齿13的齿根内,设有沿外转子14的整个高度延伸的切口19。在该切口19内收集在所供液体中的污垢颗粒,由此防止污垢颗粒在内齿13和外齿12的齿面上相互摩擦。
图3示出根据另一实施方式的G-转子泵的剖面图,如图2一样,G-转子泵具有带外齿21的内转子20和带内齿23的外转子22。这个实施方式与图2的区别在于,用于收集污垢颗粒的切口24设置在内转子20的外齿21的齿根内。而外转子22的内齿23的齿根是光滑的。通过这种结构,在供给液体时,污垢颗粒被收入内转子20的切口24内并通过离心力重新甩出。
Claims (10)
1.特别是用于汽车供油泵的G-转子泵,它有一外转子和一可相对该外转子运动的内转子,其中,在该外转子和该内转子之间限定出一供油室,其特征在于,在该外转子(14,22)和/或该内转子(9,20)内设有多个切口(19,24)。
2.如权利要求1所述的G-转子泵,其特征在于,该切口(19)为设置在该外转子(14)的齿根内的凹槽。
3.如权利要求1或2所述的G-转子泵,其特征在于,该切口(24)为设置在该内转子(20)的齿根内的凹槽。
4.按上述权利要求中的至少一项所述的G-转子泵,其特征在于,该切口(19,24)设置在该外转子(14,22)的全部齿根内或该内转子(9,20)的全部齿根内。
5.如上述权利要求中的至少一项所述的G-转子泵,其特征在于,该切口(19,24)沿该外转子(14,22)和/或该内转子(9,20)的整个高度延伸。
6.如上述权利要求中至少一项所述的G-转子泵,其特征在于,该切口(19,24)为槽形。
7.如上述权利要求中的至少一项所述的G-转子泵,其特征在于,该切口(19,24)在切口底部区域里有一半径。
8.如上述权利要求中的至少一项所述的G-转子泵,其特征在于,该外转子(14,22)和/或该内转子(9,20)由金属制成。
9.如上述权利要求中的至少一项所述的G-转子泵,其特征在于,该外转子(14,22)和/或该内转子(9,20)由塑料制成。
10.如上述权利要求中的至少一项所述的G-转子泵,其特征在于,该G-转子的底板(5)和顶盖(6,7)由塑料和/或金属烧结体制成。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10224784A DE10224784A1 (de) | 2002-06-04 | 2002-06-04 | G-Rotorpumpe |
DE10224784.6 | 2002-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1488859A true CN1488859A (zh) | 2004-04-14 |
Family
ID=29432632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA031580262A Pending CN1488859A (zh) | 2002-06-04 | 2003-06-04 | G-转子泵 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040037726A1 (zh) |
EP (1) | EP1369588A1 (zh) |
JP (1) | JP2004011641A (zh) |
CN (1) | CN1488859A (zh) |
DE (1) | DE10224784A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654125A (zh) * | 2011-03-03 | 2012-09-05 | Ti集团自动推进系统有限责任公司 | 容积式流体泵 |
CN102654125B (zh) * | 2011-03-03 | 2016-11-30 | Ti集团自动推进系统有限责任公司 | 容积式流体泵 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10327321A1 (de) * | 2003-06-16 | 2005-01-13 | Siemens Ag | Als G-Rotorpumpe ausgebildete Verdrängerpumpe |
JP2005188399A (ja) * | 2003-12-25 | 2005-07-14 | Mitsubishi Materials Corp | 内接型ギアポンプ |
JP2006233771A (ja) | 2005-02-22 | 2006-09-07 | Mitsubishi Materials Pmg Corp | ポンプロータ |
DE102005021597A1 (de) * | 2005-05-10 | 2006-11-16 | Siemens Ag | Kraftstoffpumpe |
GB0620646D0 (en) * | 2006-10-18 | 2006-11-29 | Concentric Vfp Ltd | Pumps with filling slots |
DE102007040724A1 (de) * | 2007-08-29 | 2009-03-05 | Robert Bosch Gmbh | Förderaggregat |
DE102010002585A1 (de) * | 2010-03-04 | 2011-09-08 | Robert Bosch Gmbh | Innenzahnradpumpe |
CN107624140B (zh) | 2015-03-16 | 2021-01-26 | 沙特阿拉伯石油公司 | 用于井眼应用的等壁摆线泵 |
DE102015211785A1 (de) * | 2015-06-25 | 2016-12-29 | Bühler Motor GmbH | Gleichstrommotor für eine Zahnradpumpe |
US10584701B2 (en) * | 2017-03-13 | 2020-03-10 | Delphi Technologies Ip Limited | Fluid pump with rotating pumping element wear reduction |
US11371326B2 (en) | 2020-06-01 | 2022-06-28 | Saudi Arabian Oil Company | Downhole pump with switched reluctance motor |
US11499563B2 (en) | 2020-08-24 | 2022-11-15 | Saudi Arabian Oil Company | Self-balancing thrust disk |
US11920469B2 (en) | 2020-09-08 | 2024-03-05 | Saudi Arabian Oil Company | Determining fluid parameters |
US11644351B2 (en) | 2021-03-19 | 2023-05-09 | Saudi Arabian Oil Company | Multiphase flow and salinity meter with dual opposite handed helical resonators |
US11591899B2 (en) | 2021-04-05 | 2023-02-28 | Saudi Arabian Oil Company | Wellbore density meter using a rotor and diffuser |
US11913464B2 (en) | 2021-04-15 | 2024-02-27 | Saudi Arabian Oil Company | Lubricating an electric submersible pump |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2344628A (en) * | 1940-12-26 | 1944-03-21 | Gar Wood Ind Inc | Gear pump |
US2428181A (en) * | 1944-10-27 | 1947-09-30 | Frank C Sibley | Rotary gear pump |
US3289542A (en) * | 1963-10-29 | 1966-12-06 | Lawrence Machine & Mfg Company | Hydraulic motor or pump |
DE3614626A1 (de) * | 1985-06-07 | 1986-12-11 | Mannesmann Rexroth GmbH, 8770 Lohr | Zahnradmaschine |
DE4021500C3 (de) * | 1990-07-05 | 1998-10-22 | Mannesmann Vdo Ag | Förderaggregat, insbesondere zum Fördern von Kraftstoff |
DE4200883C1 (zh) * | 1992-01-15 | 1993-04-15 | Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann | |
DE4200987A1 (de) * | 1992-01-16 | 1993-07-22 | Vittorio Varisco | Zahnradpumpe |
US5997262A (en) * | 1997-04-10 | 1999-12-07 | Walbro Corporation | Screw pins for a gear rotor fuel pump assembly |
DE19717295C2 (de) * | 1997-04-24 | 1999-09-23 | Danfoss As | Fluid-Maschine |
DE19726794A1 (de) * | 1997-06-24 | 1999-01-07 | Elektra Beckum Ag | Wasser-Hochdruckreinigungsgerät |
-
2002
- 2002-06-04 DE DE10224784A patent/DE10224784A1/de not_active Withdrawn
-
2003
- 2003-05-15 EP EP03010932A patent/EP1369588A1/de not_active Withdrawn
- 2003-06-02 JP JP2003156956A patent/JP2004011641A/ja not_active Withdrawn
- 2003-06-04 CN CNA031580262A patent/CN1488859A/zh active Pending
- 2003-06-04 US US10/453,930 patent/US20040037726A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654125A (zh) * | 2011-03-03 | 2012-09-05 | Ti集团自动推进系统有限责任公司 | 容积式流体泵 |
CN102654125B (zh) * | 2011-03-03 | 2016-11-30 | Ti集团自动推进系统有限责任公司 | 容积式流体泵 |
Also Published As
Publication number | Publication date |
---|---|
JP2004011641A (ja) | 2004-01-15 |
US20040037726A1 (en) | 2004-02-26 |
EP1369588A1 (de) | 2003-12-10 |
DE10224784A1 (de) | 2003-12-18 |
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