EP2206924B1 - Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber - Google Patents

Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber Download PDF

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Publication number
EP2206924B1
EP2206924B1 EP10150350.6A EP10150350A EP2206924B1 EP 2206924 B1 EP2206924 B1 EP 2206924B1 EP 10150350 A EP10150350 A EP 10150350A EP 2206924 B1 EP2206924 B1 EP 2206924B1
Authority
EP
European Patent Office
Prior art keywords
slide valve
control slide
flow
pump
pump housing
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
Application number
EP10150350.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2206924A3 (de
EP2206924A2 (de
Inventor
Günther Beez
Marco Kirchner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2206924A2 publication Critical patent/EP2206924A2/de
Publication of EP2206924A3 publication Critical patent/EP2206924A3/de
Application granted granted Critical
Publication of EP2206924B1 publication Critical patent/EP2206924B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
    • F04C2/332—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member
    • 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
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a variable-volume cell pump with pivoting spool for the promotion of liquids, such as water, fuels or oil, but in particular for lubricating oil supply to an internal combustion engine.
  • variable-volume cell pumps with a pivoting spool such as variable-rate vane pumps or variable-volume pendulum slide machines are described above. That's how it describes DE 44 42 083 C2 a vane pump with variable capacity with a mounted in the front and the rear cover pivot pin / bolt around which a spool is pivotally mounted.
  • a suction kidney and on the other hand to this offset by 180 ° arranged a pressure kidney are covered in the covers of this variable-cell cell pump on both sides of the rotor on the one hand a suction kidney and on the other hand to this offset by 180 ° arranged a pressure kidney.
  • a defined inflow from the suction connection into the suction kidneys, as well as a defined discharge of the pump volume flow from the pressure kidneys into the pressure connection are ensured by connecting channels which are introduced into the covers, ie poured into the covers, which are usually made of cast aluminum.
  • the production of these covers with integrated connection channels is very production-intensive and therefore also very expensive.
  • the sand casting method is used (a production-intensive and therefore very expensive process) that these sandboxed connection channels have a conditional by the manufacturing process, increased surface roughness. This increased surface roughness of the inaccurate for an effective reworking connection channels then causes in operation also inevitably increased flow and efficiency losses.
  • the connecting channels are usually directly in the control slide, ie arranged either directly in the bearing eye or near the bearing seat of the bearing pin in the spool.
  • Such designs in which connecting channels are arranged directly in the spool are well suited for larger batch sizes, since the complicated to be made, accounts between the two sides of the cell pump in the pump housing connecting channels omitted.
  • a disadvantage of these aforementioned solutions results from the space required for these solutions space to ensure the stability of the individual components of the pump in the operating condition.
  • the permissible surface pressure on the bearing seat limits both the dimensioning of the bearing as well as the selection of the material for the spool. From the DE 33 34 919 C2 Another possibility of mounting a pivotable spool has become known.
  • a ball guide or a bearing shell for receiving are assigned to both the spool as well as the pump housing Bearing ball (or as already explained an associated bearing pin) arranged.
  • the area surrounding the bearing ball or the bearing pin between the housing and the control slide is as in the DE 33 34 919 C2 presented, sealed by loaded by springs sealing bolt, so that the area surrounding the bearing ball or the bearing bolt area can be "flowed around”.
  • the arrangement of such loaded by springs sealing bolt between the housing and the spool is also very production and costly, but also the use of a bearing ball, the dimensions of the associated bearing and the selection of the material for the spool is severely limited.
  • the invention is therefore based on the object to develop a variable volume cell pump with pivoting spool, which eliminates the disadvantages of the prior art and even in large series easy, Inexpensive with minimal manufacturing and assembly costs and also with minimal space, ie also with minimal weight and minimized use of material for slide and housing can be produced while doing much quieter compared to the pumps of the prior art, in operation also caused by pressure pulsations oscillations on Spool minimized, also works almost wear-free, robust and störunan commentary, while allowing a high pump efficiency and at the same time characterized by a high stability of the individual modules, so that can be used in the production of the inventive solution very inexpensive to produce control valve even made of plastic material.
  • variable-volume cell pump with pivoting spool according to the features of the main claim of the invention.
  • FIG. 1 shows a variable-cell cell pump according to the invention in the design of a pendulum slide machine with pivoting spool, in the side view without the cover through the pump housing cover.
  • This variable-volume cell pump according to the invention with a pivotable control slide 1 has a drive shaft 3 mounted in a pump housing 2 with an inner rotor 4 arranged on this drive shaft 3 and pump chambers 8 arranged between the inner rotor 4 and an outer rotor 23 (as usual with oscillating slide machines) arranged a bearing nose 5, wherein in the bearing nose 5, a bearing shell 6 is arranged.
  • a special bearing element is arranged in this bearing shell 6. Assigned to this bearing element is on the pump housing 2 a with the bearing element in operative connection passing, ie the bearing element on / in the pump housing 2 "receiving" receiving tray 7 is arranged.
  • suction cups 10 are arranged in the pump housing 2 which are connected to a suction connection 9. Offset from these suction kidneys 10 by 180 °, pressure chambers 12 are likewise arranged in the pump housing 2 on both sides of the pump chambers 8.
  • FIG. 2 now shows the variable-volume cell pump according to the invention with pivotable spool, according to FIG. 1 in plan view in section at AA.
  • inventive, adjustable-volume cell pump with pivoting spool is now in the FIG. 3 in a partial section, without the side cover shown spatially.
  • inventive variable-volume cell pump with pivoting spool again in a partial section spatially, but now with a side cover, that is shown with a pump housing cover 18.
  • the bearing member is a bearing sleeve 16 with a flow opening 17, wherein on both sides of the flow opening 17 of the bearing sleeve 16, that is arranged both in the pump housing 2 and the pump housing cover 18 each have a flow chamber 19.
  • control pressure chamber 15 is sealed against the adjacently arranged flow chamber 19.
  • the flow chambers 19 and / or the outflow 21 may be connected to the control pressure chamber 15.
  • the Saugan gleichstutzen 9 is, as shown in the drawings for the inventive solution, with the control slide side adjacent Saugniere 10, as well as with the control slide side opposite Saugniere 10 via inflow channels 20 (here eg below the spool, as well as in the area of the spool 13 and the working spring 14th running).
  • the pressure connection piece 11 is connected to the pressure slide 12 adjacent to the control slide side and the flow chamber 19 adjacent to the control slide side via an outflow channel 21.
  • variable-volume vane pump according to the invention in the design of a vane pump with swivel spool, in the side view without pump housing cover.
  • This variable-volume vane pump according to the invention with a pivotable spool 1 also has a drive shaft 3 mounted in a pump housing 2 with an inner rotor 4 arranged on this drive shaft 3 and pump chambers 8 arranged between the inner rotor 4 and the spool 1 (as is usual with vane pumps equipped with spools 1).
  • On the spool 1 is (analogous to that in connection with the FIGS. 1 to 4 described design of a cell pump) arranged a bearing nose 5, wherein in the bearing nose 5, a bearing shell 6 is arranged.
  • a bearing sleeve 16 is also arranged in this bearing shell 6 as a bearing element. Assigned to the bearing element / the bearing sleeve 16 is on the pump housing 2 with the bearing element / the bearing sleeve 16 in operative connection passing, ie the bearing element / the bearing sleeve 16 on / in the pump housing 2 "receiving" receiving tray 7 is arranged. On both sides of the pump chambers 8, the suction cups 10 are arranged in the pump housing 2 which are connected to a suction connection 9. To this Saugnieren 10 are offset by 180 ° in the pump housing 2 also on both sides of the pump chambers 8, the pressure kidneys 12 are arranged.
  • a bearing sleeve 16 with a flow opening 17 is used as a bearing element, and that analogous to the representations in the Figures 2 . 3 and 4
  • the solution according to the invention can also be made with a minimal space, ie with minimal weight and minimized use of material for slide and housing, since due to the effects of the invention, the spool 1 according to the invention can now be built very small, and also no inside the pump housing, or the pump housing cover lying consuming, (for example, in the sand casting method) to be produced connection channels, as well as no, near the bearing shell / the bearing pin arranged in the spool flow opening / connection channels are more needed.
  • the inventive arrangement causes due to the omission of the vg. Throughflow / connection channels a significant reduction of the gap losses, so that thereby also increases the pump efficiency.
  • the sleeve design according to the invention also causes an optimal, vibration-damping mounting of the spool 1 on / in the pump housing 2, so that in particular the vibrations caused by pressure pulsations are minimized at the spool valve during operation.
  • variable-volume cell pumps according to the invention operate virtually wear-free, are sturdy and prone to interference and, moreover, are distinguished in particular by high stability of the individual assemblies, so that in the context of manufacturing the solution according to the invention (for example in conjunction with the use of bearing sleeves with larger outer diameters) even very cost-producible spool made of plastic material can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
EP10150350.6A 2009-01-13 2010-01-08 Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber Active EP2206924B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009004456A DE102009004456B4 (de) 2009-01-13 2009-01-13 Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber

Publications (3)

Publication Number Publication Date
EP2206924A2 EP2206924A2 (de) 2010-07-14
EP2206924A3 EP2206924A3 (de) 2013-11-27
EP2206924B1 true EP2206924B1 (de) 2014-09-10

Family

ID=41796207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10150350.6A Active EP2206924B1 (de) 2009-01-13 2010-01-08 Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber

Country Status (5)

Country Link
US (1) US8439650B2 (ko)
EP (1) EP2206924B1 (ko)
JP (1) JP5581061B2 (ko)
KR (1) KR101668484B1 (ko)
DE (1) DE102009004456B4 (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009004456B4 (de) * 2009-01-13 2012-01-19 Mahle International Gmbh Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber
KR101491183B1 (ko) * 2009-12-02 2015-02-09 현대자동차주식회사 맥동압 저감타입 가변오일펌프
DE102010023068A1 (de) * 2010-06-08 2011-12-08 Mahle International Gmbh Flügelzellenpumpe
DE102011004649A1 (de) * 2011-02-24 2012-08-30 Robert Bosch Gmbh Kraftstofffördereinrichtung und Verfahren zum Betätigen einer Kraftstofffördereinrichtung
DE102011083278A1 (de) * 2011-09-23 2013-03-28 Mahle International Gmbh Schmiermittelsystem
KR101251535B1 (ko) * 2011-11-30 2013-04-05 현대자동차주식회사 자동차의 오일펌프
ITTO20120943A1 (it) * 2012-10-26 2014-04-27 Vhit Spa Rotore a palette per pompa volumetrica rotativa
DE102013201890A1 (de) 2013-02-06 2014-08-07 Robert Bosch Gmbh Zellenpumpe
FR3002007B1 (fr) * 2013-02-13 2015-03-13 Peugeot Citroen Automobiles Sa Pompe a huile a rendement hydraulique ameliore et moteur de vehicule correspondant
DE102013221567A1 (de) * 2013-10-23 2015-04-23 Mahle International Gmbh Pendelschieberzellenpumpe zur Förderung eines Fluides
JP6444166B2 (ja) 2014-12-25 2018-12-26 株式会社マーレ フィルターシステムズ 可変容量ポンプ
JP2017048681A (ja) * 2015-08-31 2017-03-09 株式会社マーレ フィルターシステムズ ポンプ
DE102015216989A1 (de) 2015-09-04 2017-03-09 Robert Bosch Gmbh Maschine, insbesondere Ölförderpumpe
DE102016209021A1 (de) 2016-05-24 2017-11-30 Robert Bosch Gmbh Maschine, insbesondere Ölförderpumpe
DE102016213018A1 (de) 2016-07-15 2018-01-18 Robert Bosch Gmbh Maschine, insbesondere Ölförderpumpe
JP2018096268A (ja) * 2016-12-13 2018-06-21 株式会社マーレ フィルターシステムズ ポンプ
EP3724505A4 (en) 2019-01-31 2021-07-28 Stackpole International Engineered Products, Ltd. ANTI-PANIC VALVE INTEGRATED IN A PUMP PIVOT
US11248601B2 (en) * 2019-03-01 2022-02-15 Mahle International Gmbh Pendulum oil pump
CN110242565A (zh) * 2019-06-18 2019-09-17 江苏德华泵业有限公司 一种船用柴油机应急消防泵

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DE102010023068A1 (de) * 2010-06-08 2011-12-08 Mahle International Gmbh Flügelzellenpumpe

Also Published As

Publication number Publication date
DE102009004456B4 (de) 2012-01-19
US20100266434A1 (en) 2010-10-21
EP2206924A3 (de) 2013-11-27
DE102009004456A1 (de) 2010-09-09
JP2010164056A (ja) 2010-07-29
KR20100083735A (ko) 2010-07-22
EP2206924A2 (de) 2010-07-14
JP5581061B2 (ja) 2014-08-27
KR101668484B1 (ko) 2016-10-28
US8439650B2 (en) 2013-05-14

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