EP2588756B1 - Pompe à engrenages - Google Patents
Pompe à engrenages Download PDFInfo
- Publication number
- EP2588756B1 EP2588756B1 EP11726764.1A EP11726764A EP2588756B1 EP 2588756 B1 EP2588756 B1 EP 2588756B1 EP 11726764 A EP11726764 A EP 11726764A EP 2588756 B1 EP2588756 B1 EP 2588756B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- shaft
- housing
- gear
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 29
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 description 13
- 238000010926 purge Methods 0.000 description 11
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- 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
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
-
- 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
- F04C13/001—Pumps for particular liquids
-
- 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
- F04C2/086—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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
Definitions
- the differential pressures prevailing to form the purge flow can also be influenced in an advantageous manner in that the supply channel and / or the return channel each have a throttle. This makes it advantageous to generate small volume flows which are particularly suitable for purging small rinsing chambers. This allows the losses caused by the flushing flow to be reduced to a minimum.
- Fig. 1 and 2 a first embodiment of the gear pump according to the invention is shown.
- the Fig. 1 shows schematically a cross-sectional view of the gear pump and in Fig. 2 is a sectional view of the gear pump in a sectional plane 90 ° offset from the cross-sectional view shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Claims (9)
- Pompe à engrenages avec plusieurs roues dentées (3, 4) engrenant l'une dans l'autre pour le transport d'un fluide à transporter, qui sont maintenues de façon rotative dans un corps de pompe (1) et qui transportent le fluide à transporter d'une zone d'aspiration à une zone de refoulement du corps de pompe (1), et avec un arbre de pompe (5) pour l'entraînement d'une des roues dentées (4), dans laquelle l'arbre de pompe (5) présente une extrémité de couplage (5.1) sortant du corps de pompe (1) et dans laquelle un joint d'arbre (12), qui est disposé de façon concentrique à un alésage de palier (8.1), est maintenu à la périphérie de l'arbre de pompe (5) pour l'étanchéité du corps de pompe (1), caractérisée en ce qu'une chambre de balayage (11) entourant l'arbre de pompe (5) est formée sur le côté intérieur du joint d'arbre (12) de façon concentrique à l'alésage de palier (8.1), qui est reliée par un canal d'arrivée (13) dans le corps de pompe (1) à la zone de refoulement du corps de pompe (1) et par un canal de retour (14) dans le corps de pompe (1) à la zone d'aspiration du corps de pompe (1).
- Pompe à engrenages selon la revendication 1, caractérisée en ce que le canal d'arrivée (13) et/ou le canal de retour (14) débouchent respectivement dans une région d'une face de contact (15) d'une plaque de corps (1.1) du corps de pompe (1), qui coopère frontalement avec la roue dentée (4) montée sur l'arbre de pompe (5).
- Pompe à engrenages selon la revendication 1 ou 2, caractérisée en ce que le canal d'arrivée (13) et le canal de retour (14) débouchent dans la chambre de balayage (11) avec un décalage angulaire de 180°.
- Pompe à engrenages selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le canal d'arrivée (13) et/ou le canal de retour (14) présente(nt) respectivement un étranglement (17.1, 17.2).
- Pompe à engrenages selon la revendication 4, caractérisée en ce que l'étranglement est formé par un forage d'étranglement (17.1, 17.2) dans un anneau de remplissage (16), qui est associé à l'intérieur de la chambre de balayage (11) à l'embouchure du canal d'arrivée (13) et/ou à l'embouchure du canal de retour (14).
- Pompe à engrenages selon la revendication 5, caractérisée en ce que l'anneau de remplissage (16) présente deux forages d'étranglement (17.1, 17.2) opposés l'un à l'autre, qui sont associés au canal d'arrivée (13) et au canal de retour (14).
- Pompe à engrenages selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le joint d'arbre (12) est maintenu par un boîtier d'étanchéité (18), qui est fixement assemblé au corps de pompe (1) et qui est traversé par l'arbre de pompe (5).
- Pompe à engrenages selon la revendication 7, caractérisée en ce que le boîtier d'étanchéité (18) présente un rebord de centrage (20) formant la chambre de balayage (11), qui s'engage dans une découpe de centrage (19) du corps de pompe (1) et qui maintient l'anneau de remplissage (16) en position fixée au moyen d'une nervure de maintien périphérique (16.1).
- Pompe à engrenages selon la revendication 7 ou 8, caractérisée en ce qu'un deuxième joint d'arbre (22) est maintenu à l'intérieur du boîtier d'étanchéité (18) et en ce qu'une chambre de séparation (21), qui est remplie avec un fluide de séparation, est formée entre les deux joints d'arbre (12, 22) à la périphérie de l'arbre de pompe (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010025865 | 2010-07-02 | ||
PCT/EP2011/060133 WO2012000812A2 (fr) | 2010-07-02 | 2011-06-17 | Pompe à engrenages |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2588756A2 EP2588756A2 (fr) | 2013-05-08 |
EP2588756B1 true EP2588756B1 (fr) | 2018-05-02 |
Family
ID=44627361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11726764.1A Active EP2588756B1 (fr) | 2010-07-02 | 2011-06-17 | Pompe à engrenages |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130094988A1 (fr) |
EP (1) | EP2588756B1 (fr) |
CN (1) | CN102959245B (fr) |
WO (1) | WO2012000812A2 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012006025B3 (de) * | 2012-03-27 | 2013-08-01 | Netzsch Pumpen & Systeme Gmbh | Bolzengelenk für Exzenterschneckenpumpe |
DE102014111721A1 (de) | 2014-08-18 | 2016-02-18 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Fluidbeaufschlagungsvorrichtung für ein Getriebe für ein Kraftfahrzeug |
DE202016106107U1 (de) | 2016-10-31 | 2018-02-01 | Hugo Vogelsang Maschinenbau Gmbh | Drehkolbenpumpe mit Sperrkammerdichtung |
FR3060669B1 (fr) * | 2016-12-20 | 2020-11-27 | Coutier Moulage Gen Ind | Pompe a engrenage a plaques et pions de centrage hydrauliques. |
WO2018130445A1 (fr) * | 2017-01-12 | 2018-07-19 | Oerlikon Textile Gmbh & Co. Kg | Dispositif de mouillage de plusieurs fils et pompe de dosage pour un dispositif de ce type |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998783A (en) * | 1958-04-25 | 1961-09-05 | John C Lee | Pressure-balanced gear pump |
DE1528956A1 (de) * | 1964-09-19 | 1970-07-02 | Bosch Gmbh Robert | Pumpe,insbesondere Heizoelpumpe |
US3743369A (en) * | 1971-09-08 | 1973-07-03 | Skf Ind Trading & Dev | Cage for a rolling bearing |
FI93764C (fi) * | 1993-07-13 | 1995-05-26 | Finn Rotor Oy | Rotaattori |
DE19513822C2 (de) * | 1995-04-12 | 1999-10-28 | Volkswagen Ag | Einrichtung zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine eines Kraftfahrzeuges |
ATE161075T1 (de) * | 1995-05-24 | 1997-12-15 | Maag Pump Systems Ag | Lageranordnung für eine pumpenwelle einer pumpe für das fördern von medien mit unterschiedlicher viskosität |
JPH09250480A (ja) * | 1996-03-14 | 1997-09-22 | Zexel Corp | ベーン型圧縮機 |
US6524007B1 (en) * | 1999-03-15 | 2003-02-25 | William L. Hinks | Shaft bearing-seal assembly penetrating the wall of a pressure vessel |
US6834998B2 (en) * | 2000-03-09 | 2004-12-28 | William Lloyd Hinks | Shaft bearing-seal assembly penetrating the wall of a pressure vessel |
DE50110984D1 (de) * | 2000-06-14 | 2006-10-26 | Saurer Gmbh & Co Kg | Abspülbare Zahnradpumpe |
DE10031470A1 (de) * | 2000-06-28 | 2002-01-10 | Krupp Werner & Pfleiderer Gmbh | Zahnradpumpe |
DE10058012A1 (de) * | 2000-11-23 | 2002-05-29 | Bosch Gmbh Robert | Zahnradförderpumpe, insbesondere zum Fördern von Kraftstoff zu einer Kraftstoffhochdruckpumpe |
ATE292243T1 (de) * | 2001-12-12 | 2005-04-15 | Kreyenborg Verwaltungen | Förderpumpe |
DE102005000686A1 (de) * | 2005-01-04 | 2006-07-13 | Zf Lenksysteme Gmbh | Rotationspumpe |
CN2763580Y (zh) * | 2005-01-04 | 2006-03-08 | 王建干 | 一种端面密封的整体式机油泵 |
EP1855007A1 (fr) | 2006-05-12 | 2007-11-14 | Maag Pump Systems Textron AG | Pompe à engrenages |
-
2011
- 2011-06-17 EP EP11726764.1A patent/EP2588756B1/fr active Active
- 2011-06-17 CN CN201180031637.1A patent/CN102959245B/zh active Active
- 2011-06-17 WO PCT/EP2011/060133 patent/WO2012000812A2/fr active Application Filing
-
2012
- 2012-12-05 US US13/705,564 patent/US20130094988A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
WO2012000812A3 (fr) | 2013-04-25 |
CN102959245B (zh) | 2016-01-06 |
EP2588756A2 (fr) | 2013-05-08 |
US20130094988A1 (en) | 2013-04-18 |
CN102959245A (zh) | 2013-03-06 |
WO2012000812A2 (fr) | 2012-01-05 |
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