EP1293673A2 - Flügelzellenpumpe - Google Patents
Flügelzellenpumpe Download PDFInfo
- Publication number
- EP1293673A2 EP1293673A2 EP02020795A EP02020795A EP1293673A2 EP 1293673 A2 EP1293673 A2 EP 1293673A2 EP 02020795 A EP02020795 A EP 02020795A EP 02020795 A EP02020795 A EP 02020795A EP 1293673 A2 EP1293673 A2 EP 1293673A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- end plate
- pressure
- pump according
- pressure field
- counter
- 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.)
- Granted
Links
- 210000003734 kidney Anatomy 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- F04C2/34—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
- F04C2/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
- 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
- F04C15/0023—Axial sealings for working fluid
Definitions
- the invention relates to a pump, in particular a Vane or roller pump according to the generic term Art defined by claim 1.
- a generic vane pump is from DE 41 12 196 A1 known. Other such pumps are also known from the prior art and become frequently used in practice.
- the vane pump known from DE 41 12 196 A1 has a in the usual way on a drive shaft Runner set on.
- the runner set consists of one Curved ring and a runner with wings.
- the wings are radially slidably guided in the rotor. On the outside, the wings rest on the curve ring.
- the runner is between a front end plate and one rear pressure plate arranged.
- the pressure plate may be similar to that in alternative embodiments Be designed so that the pressure plate can also be called an end plate.
- Pressure plate Behind that known from the generic script Pressure plate is a pressure chamber that over Pressure ports, commonly referred to as pressure kidneys with the pressure-promoting delivery rooms communicates.
- the pressure chamber provides foreplay compensation, to minimize the leak oil under pressure.
- the funding areas are between the runner, the curve ring and the wings.
- the pressure medium in general oil, flows to the suction-side delivery rooms from a tank via an inlet bore and an annular chamber too.
- the present invention is based on the object to solve the disadvantages of the prior art and the known pumps, especially the vane and To improve roller pumps in such a way that setting or Mostly embed the cam ring in an end plate is excluded.
- this task is characterized by Part of claim 1 features solved.
- the fact that the end plate with at least one counterpressure field bordering the rotor set is a back pressure on the rotor set or on applied the cam ring included in the rotor set become.
- the axial movement of the rotor set or end Curve ring and thus the setting process in the with End plate provided with counter pressure field can thus be prevented become.
- the counter pressure field can be particularly simple, almost cost-neutral, in the Integrate end plate and can be groove-shaped, for example be trained.
- the back pressure or the counterforce becomes easier Way through the working medium, for example Oil, and the pressure that the pump generates.
- the working fluid or the pump pressure prevents without any further supply of energy or a complex construction would be necessary, an embedding of the cam ring in the face plate.
- the counter pressure field can be designed in such a way that a setting process of the cam ring in the face plate is excluded, and nonetheless leaky areas, through which leakage oil could escape, for example, be avoided.
- the cam ring floats on the counter pressure field.
- the solution according to the invention is not limited to the face plates that on their end facing away from the rotor set a housing wall are arranged, but extends also on the face plates, which on the of a pressure chamber facing away from the rotor set or the like.
- the at least one counter pressure field with a pressure kidney of the face plate stands and the face plate with two pressure kidneys each has an associated back pressure field.
- the end plate has two pressure kidneys, each connected to a counter pressure field are a counterforce or a simple Back pressure can be built up, which is a setting of the cam ring prevented in the corresponding end plate.
- the introduction of the work equipment is easier Way by connecting the pressure kidney to the back pressure field.
- the Counter pressure field in the area of a bearing surface of the cam ring is arranged.
- the at least one Print kidney of those with the counter pressure field End plate is designed as a blind hole or through the adjacent housing or a housing cover the end face facing away from the rotor set is.
- Inflow of the working fluid between the housing and the end plate provided with the counter pressure field is generally not desired and can be replaced by the Design of the pressure kidney as a blind hole or that the pressure kidney through the adjacent housing or limiting a housing cover become.
- a further development of the invention can provide be that at least one end plate integrally with the housing cover and / or the housing is.
- a housing or a housing cover which contains the functions of the end plate can according to the invention also easily with a counter pressure field be provided, as a setting of the rotor set or the cam ring also occur in this case can.
- End plates in the housing or in the housing cover are already integrated known in the art.
- One of the essential ones Functions of the face plates is also limiting the Rotor assembly.
- the double-stroke vane pump shown in FIG. 1 is basically of a known design, for what e.g. is referred to DE 41 12 196 A1, which is why below only essential parts for the invention are described in more detail.
- a rotor set 2 is arranged on a drive shaft 1, that of a cam ring 3 and a rotor or runner 4 with wings 5.
- the wings 5 are radial in a known manner slidably guided in the rotor 4. Lie on the outside the wings 5 on the cam ring 3. In the embodiment is the use of ten radial arranged wings 5 provided.
- the rotor set 2 is between a housing side End plate 6, which on the housing 7 of the vane pump adjoins and a cover-side end plate 8, which at least partially adjoins a housing cover 9, arranged.
- the pressure chamber 10 stands over the pressure kidneys 11 the pressurized delivery rooms in connection.
- the Funding areas are generally between the Runner 4, the cam ring 3 and the wings 5 are formed.
- the working or pressure medium generally oil, does not flow from the suction-side delivery rooms shown tank via an inlet bore 12 and a Annular chamber 13 too.
- cover-side end plate 8 In the cover-side end plate 8 are in in a known manner partially annular channels 14, which are known in the Way with lower wing spaces not shown are connected and for pressing the wings 5 serve.
- bores For fixing the cover-side end plate 8 bores, not shown, can be provided, engage the corresponding pins.
- the front plate 6 on the housing two counter pressure fields 15 on.
- the counter pressure fields 15 are each with a corresponding adjacent pressure kidney 16, the are located in the end plate 6 on the housing side, connected.
- Pressure kidneys 16 flow into the working fluid, so that the pump working pressure is present. The generated by it Back pressure prevents the Curve ring 3 in the housing-side end plate 6.
- FIGS. 1 and 2 are according to the invention two counter pressure fields 15 and two pressure kidneys 16 is provided in the end plate 6 on the housing side.
- the counter pressure fields 15 are in the area of one Support surface of the cam ring 3 arranged.
- FIGS. 1 and 2 are the back pressure fields 16 through the housing End plate 6 and the cam ring 3 limited.
- the embodiment shows here how in particular Fig. 2 shows a particularly inexpensive Realizing design in which the counter pressure fields 15 are integrated in the end plate 6.
- the counter pressure fields 15 are formed in the shape of an arc of a ring, can, however, in alternative configurations also have other shapes adapted to the end plate 6.
- the counter pressure fields 15 can be used as grooves, depressions, Recesses, notches, incisions, Hollows or the like may be formed. there the training as a groove has been particularly suitable exposed.
- the bores 17 which can be seen in FIG. 2 serve for fixing the housing-side end plate 6 on the cam ring 3.
- dowel pins with a thickness of 5 mm can be used.
- the solution according to the invention is not based on the type of pump shown is limited.
- the cover-side end plate 8 or the pressure plate with counter pressure fields 15 in addition or alternatively to the use of counter pressure fields 15 in the cover-side end plate 8 is provided.
- the housing-side end plate 6 or the cover-side End plate 8 can of course also be in one piece with the housing 7 or the housing cover 9 trained or integrated into this.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch eine Flügelzellenpumpe; und
- Fig. 2
- eine Draufsicht auf eine Stirnplatte mit zwei erfindungsgemäßen Gegendruckfeldern.
- 1
- Antriebswelle
- 2
- Läufersatz
- 3
- Kurvenring
- 4
- Läufer
- 5
- Flügel
- 6
- gehäuseseitige Stirnplatte
- 7
- Gehäuse
- 8
- deckelseitige Stirnplatte
- 9
- Gehäusedeckel
- 10
- Druckraum
- 11
- Druckniere
- 12
- Zulaufbohrung
- 13
- Ringkammer
- 14
- teilringförmiger Kanal
- 15
- Gegendruckfeld
- 16
- Druckniere
- 17
- Bohrung
Claims (14)
- Pumpe, insbesondere Flügelzellen- oder Rollenpumpe, mit einem Gehäuse, in dem ein, wenigstens von einer Stirnplatte begrenzter, Läufersatz angeordnet ist, wobei der Läufersatz einen Kurvenring sowie einen Läufer mit Flügeln aufweist,
dadurch gekennzeichnet, daß
die wenigstens eine Stirnplatte (6 bzw. 8) mit wenigstens einem an den Läufersatz (2) grenzenden Gegendruckfeld (15) versehen ist, an dem der Pumpenarbeitsdruck anliegt. - Pumpe nach Anspruch 1,
dadurch gekennzeichnet, daß
das wenigstens eine Gegendruckfeld (15) mit einer Druckniere (16 bzw. 11) der Stirnplatte (6 bzw. 8) in Verbindung steht. - Pumpe nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
die Stirnplatte (6 bzw. 8) zwei Drucknieren (16 bzw. 11) mit jeweils einem zugeordneten Gegendruckfeld (15) aufweist. - Pumpe nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) im Bereich einer Auflagefläche des Kurvenringes (3) angeordnet ist. - Pumpe nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) derart ausgebildet ist, daß ein Setzvorgang des Kurvenringes (3) in die Stirnplatte (6 bzw. 8) weitgehend ausgeschlossen ist. - Pumpe nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) derart ausgebildet ist, daß der Kurvenring (3) auf dem Gegendruckfeld (15) schwimmt. - Pumpe nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) durch die Stirnplatte (6 bzw. 8) und den Kurvenring (3) begrenzt ist. - Pumpe nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) in die Stirnplatte (6 bzw. 8) integriert ist. - Pumpe nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) ringbogenförmig ausgebildet ist. - Pumpe nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß
der Läufersatz (2) von zwei Stirnplatten (6,8) begrenzt ist, wobei eine Stirnplatte (8) an einen Druckraum (10) grenzt und lediglich die andere Stirnplatte (6) mit dem wenigstens einen Gegendruckfeld (15) versehen ist. - Pumpe nach einem der Ansprüche 2 bis 10,
dadurch gekennzeichnet, daß
die wenigstens eine Druckniere (16) der mit dem Gegendruckfeld (15) versehenen Stirnplatte (6) als Sackbohrung ausgebildet ist oder durch das angrenzende Gehäuse (7) oder einen Gehäusedeckel (9) an der von dem Läufersatz (2) abgewandten Stirnseite begrenzt ist. - Pumpe nach Anspruch 10 oder 11,
dadurch gekennzeichnet, daß
die an den Druckraum (10) grenzende Stirnplatte als deckelseitige Stirnplatte (8) und die mit dem Gegendruckfeld (15) versehene Stirnplatte als gehäuseseitige Stirnplatte (6) ausgebildet ist. - Pumpe nach einem der Ansprüche 1 bis 12,
dadurch gekennzeichnet, daß
wenigstens eine Stirnplatte (6 bzw. 8) einstückig mit dem Gehäusedeckel (9) und/oder dem Gehäuse-(7) ausgebildet ist. - Pumpe nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, daß
das Gegendruckfeld (15) als Nut, Vertiefung, Aussparung, Einkerbung, Einschnitt, Aushöhlung oder dergleichen ausgebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10145866A DE10145866A1 (de) | 2001-09-18 | 2001-09-18 | Pumpe, insbesondere Flügelzellenpumpe |
| DE10145866 | 2001-09-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1293673A2 true EP1293673A2 (de) | 2003-03-19 |
| EP1293673A3 EP1293673A3 (de) | 2004-07-28 |
| EP1293673B1 EP1293673B1 (de) | 2005-11-30 |
Family
ID=7699371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02020795A Expired - Lifetime EP1293673B1 (de) | 2001-09-18 | 2002-09-17 | Flügelzellenpumpe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1293673B1 (de) |
| AT (1) | ATE311537T1 (de) |
| DE (2) | DE10145866A1 (de) |
| ES (1) | ES2254580T3 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4112196A1 (de) | 1991-04-13 | 1992-10-15 | Zahnradfabrik Friedrichshafen | Fluegelzellenpumpe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3710227B2 (ja) * | 1995-12-06 | 2005-10-26 | カヤバ工業株式会社 | ベーンポンプ |
-
2001
- 2001-09-18 DE DE10145866A patent/DE10145866A1/de not_active Withdrawn
-
2002
- 2002-09-17 ES ES02020795T patent/ES2254580T3/es not_active Expired - Lifetime
- 2002-09-17 DE DE50205094T patent/DE50205094D1/de not_active Expired - Lifetime
- 2002-09-17 EP EP02020795A patent/EP1293673B1/de not_active Expired - Lifetime
- 2002-09-17 AT AT02020795T patent/ATE311537T1/de not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4112196A1 (de) | 1991-04-13 | 1992-10-15 | Zahnradfabrik Friedrichshafen | Fluegelzellenpumpe |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1293673B1 (de) | 2005-11-30 |
| EP1293673A3 (de) | 2004-07-28 |
| ES2254580T3 (es) | 2006-06-16 |
| DE10145866A1 (de) | 2003-04-17 |
| DE50205094D1 (de) | 2006-01-05 |
| ATE311537T1 (de) | 2005-12-15 |
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