EP1400693A2 - Exzenterschneckenpumpe mit modularer Austauscheinheit - Google Patents
Exzenterschneckenpumpe mit modularer Austauscheinheit Download PDFInfo
- Publication number
- EP1400693A2 EP1400693A2 EP03020133A EP03020133A EP1400693A2 EP 1400693 A2 EP1400693 A2 EP 1400693A2 EP 03020133 A EP03020133 A EP 03020133A EP 03020133 A EP03020133 A EP 03020133A EP 1400693 A2 EP1400693 A2 EP 1400693A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- drive
- drive shaft
- stator
- 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.)
- Withdrawn
Links
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
- F04C2/08—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
- F04C2/107—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 with helical teeth
- F04C2/1071—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 with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
-
- 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
- F04C2230/80—Repairing methods
Definitions
- the invention relates to an eccentric screw pump with a screw-shaped Rotor that rotates in a coiled stator chamber and a drive shaft that Connects rotor with a drive.
- the object of the invention is therefore to reduce the assembly time when replacing rotor-stator or joint parts, especially at the customer.
- stator is in many cases between two side flanges by means of a Tie rod assembly is clamped, it can be advantageous according to the invention if divided the pump housing and its parts using a quick release device or quick coupling are connected to each other.
- the complete stator and part of the pump housing are designed together with the drive shaft, the joints or the flexible shaft and the Seal removed and replaced.
- a gear e.g. parallel shaft gear
- the gearbox has a hollow shaft.
- the bearing in the pump housing sits in this hollow shaft sealed drive shaft for the rotor.
- the drive shaft is through a screw axially clamped with the hollow shaft.
- the torque is transmitted through a Shaft-hub connection e.g. a key ..
- FIG. 1 An embodiment of the invention is shown in FIG. 1.
- FIG. 1 shows an eccentric screw pump 10 of the Moineau type with a drive 12 and a gear 14, which in via a hollow shaft with a drive shaft 16 Connection is established.
- the drive shaft 16 is provided with a seal 18 which prevents the ingress of Product in the area of storage 20 prevented.
- the flexurally elastic shaft 22 and the drive shaft 16 are by a screw / shrink or adhesive connection fixed in rotation with each other.
- the pump housing 26 has a Inlet 28 through which the product is sucked into the eccentric screw pump 10 becomes. By loosening the screw 30 and opening the quick release device 32 the entire stator 38 can be simultaneously with the end piece 34 with the rotor 36, the flexible shaft 22, the drive shaft 16 and the seal 18 as one Pull unit from pump housing 26 and drive 12 and against a new one Replace exchange unit.
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
- 10
- Exzenterschneckenpumpe
- 12
- Antrieb
- 14
- Getriebe
- 16
- Antriebswelle
- 18
- Dichtung
- 20
- Lagerung
- 22
- Welle
- 26
- Pumpengehäuse
- 28
- Einlaufstutzen
- 30
- Schraube
- 32
- Schnellspannvorrichtung
- 34
- Endstutzen
- 36
- Rotor
- 38
- Stator
- 40
- Zwischenrohr
Claims (3)
- Exzenterschneckenpumpe (10) mit einem schneckenförmigen Rotor (36), der in einer gewendelten Statorkammer rotiert und einer Antriebswelle (16), die den Rotor (36) mit einem Antrieb (12) verbindet,
dadurch gekennzeichnet, daß die Antriebswelle (16) über eine lösbare Verbindung mit einem Antrieb (12) oder einem Getriebe (14) verbunden ist und nach dem Lösen der Verbindung als Austauschelement gemeinsam mit dem Rotor (36), dem Stator (38), der Dichtung (18) und gegebenenfalls einem Teil des Pumpengehäuses (26) austauschbar ist. - Exzenterschneckenpumpe nach Anspruch 1,
dadurch gekennzeichnet, daß der Stator (38) sowohl fest mit einem ersten Teil des Pumpengehäuses (26) als auch lösbar durch eine Schnellspannvorrichtung (32) mit dem zweiten Teil des Pumpengehäuses verbunden ist. - Exzenterschneckenpumpe nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß .das Getriebe (14) eine Hohlwelle aufweist mit der die Antriebswelle (16) für den Rotor (36) mit einer Schraube (30) verspannt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10243675A DE10243675B3 (de) | 2002-09-20 | 2002-09-20 | Exzenterschneckenpumpe mit Austauscheinheit |
DE10243675 | 2002-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1400693A2 true EP1400693A2 (de) | 2004-03-24 |
EP1400693A3 EP1400693A3 (de) | 2006-03-01 |
Family
ID=29796637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020133A Withdrawn EP1400693A3 (de) | 2002-09-20 | 2003-09-05 | Exzenterschneckenpumpe mit modularer Austauscheinheit |
Country Status (3)
Country | Link |
---|---|
US (1) | US20040057846A1 (de) |
EP (1) | EP1400693A3 (de) |
DE (1) | DE10243675B3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010021549A1 (en) * | 2008-08-21 | 2010-02-25 | Agr Subsea As | Outer rotor of a progressing cavity pump having an inner and an outer rotor |
US8388327B2 (en) | 2007-09-20 | 2013-03-05 | Agr Subsea As | Progressing cavity pump with several pump sections |
US8496456B2 (en) | 2008-08-21 | 2013-07-30 | Agr Subsea As | Progressive cavity pump including inner and outer rotors and a wheel gear maintaining an interrelated speed ratio |
US8556603B2 (en) | 2007-09-11 | 2013-10-15 | Agr Subsea As | Progressing cavity pump adapted for pumping of compressible fluids |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004040720B4 (de) * | 2004-08-20 | 2015-11-26 | Knoll Maschinenbau Gmbh | Exzenterschneckenpumpe |
JP6761980B2 (ja) * | 2015-02-03 | 2020-09-30 | 兵神装備株式会社 | 一軸偏心ねじポンプ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0777172A (ja) * | 1993-09-03 | 1995-03-20 | Heishin Sobi Kk | 一軸偏心ねじポンプ |
JP2001271764A (ja) * | 2000-03-27 | 2001-10-05 | Shin Nippon Machinery Co Ltd | 一軸偏心ねじポンプ |
DE10022631A1 (de) * | 2000-05-11 | 2001-11-22 | Gruen Pumpen Gmbh | Exzenterschnecken-Faßpumpe |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527673A (en) * | 1947-02-28 | 1950-10-31 | Robbins & Myers | Internal helical gear pump |
US3324801A (en) * | 1965-08-17 | 1967-06-13 | Fernholtz Mfg Company | Combined flexible seal and agitator for pumps |
US3512904A (en) * | 1968-05-24 | 1970-05-19 | Clifford H Allen | Progressing cavity helical pump |
US3539279A (en) * | 1968-09-23 | 1970-11-10 | H A Rider & Sons | Tubular pump |
DE2458839A1 (de) * | 1974-12-12 | 1976-06-16 | Flux Geraete Gmbh | Exzenterschneckenpumpe |
GB2284646B (en) * | 1993-12-09 | 1996-01-10 | Mono Pumps Ltd | Rotor and flexible drive shaft assembly |
US5769618A (en) * | 1995-09-25 | 1998-06-23 | Heishin Sobi Kabushiki Kaisha | Uniaxial eccentric screw pump having a flexible plastic shaft |
DE19804259A1 (de) * | 1998-02-04 | 1999-08-12 | Artemis Kautschuk Kunststoff | Elastomerstator für Exzenterschneckenpumpen |
DE19813999C1 (de) * | 1998-03-28 | 1999-11-25 | Seepex Seeberger Gmbh & Co | Exzenterschneckenpumpe |
EP0953769B1 (de) * | 1998-04-27 | 2004-01-07 | Allweiler AG | Exzenterschneckenpumpe |
DE10118785A1 (de) * | 2001-04-17 | 2002-10-24 | Viscotec Pumpen Und Dosiertech | Exzenterschneckenpumpe |
-
2002
- 2002-09-20 DE DE10243675A patent/DE10243675B3/de not_active Revoked
-
2003
- 2003-09-05 EP EP03020133A patent/EP1400693A3/de not_active Withdrawn
- 2003-09-19 US US10/666,591 patent/US20040057846A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0777172A (ja) * | 1993-09-03 | 1995-03-20 | Heishin Sobi Kk | 一軸偏心ねじポンプ |
JP2001271764A (ja) * | 2000-03-27 | 2001-10-05 | Shin Nippon Machinery Co Ltd | 一軸偏心ねじポンプ |
DE10022631A1 (de) * | 2000-05-11 | 2001-11-22 | Gruen Pumpen Gmbh | Exzenterschnecken-Faßpumpe |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN Bd. 1995, Nr. 06, 31. Juli 1995 (1995-07-31) -& JP 07 077172 A (HEISHIN SOBI KK), 20. März 1995 (1995-03-20) * |
PATENT ABSTRACTS OF JAPAN Bd. 2002, Nr. 02, 2. April 2002 (2002-04-02) -& JP 2001 271764 A (SHIN NIPPON MACHINERY CO LTD), 5. Oktober 2001 (2001-10-05) * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8556603B2 (en) | 2007-09-11 | 2013-10-15 | Agr Subsea As | Progressing cavity pump adapted for pumping of compressible fluids |
US8388327B2 (en) | 2007-09-20 | 2013-03-05 | Agr Subsea As | Progressing cavity pump with several pump sections |
WO2010021549A1 (en) * | 2008-08-21 | 2010-02-25 | Agr Subsea As | Outer rotor of a progressing cavity pump having an inner and an outer rotor |
NO329714B1 (no) * | 2008-08-21 | 2010-12-06 | Agr Subsea As | Ytre rotor i eksenterskruepumpe med en indre og en ytre rotor |
US8496456B2 (en) | 2008-08-21 | 2013-07-30 | Agr Subsea As | Progressive cavity pump including inner and outer rotors and a wheel gear maintaining an interrelated speed ratio |
US8613608B2 (en) | 2008-08-21 | 2013-12-24 | Agr Subsea As | Progressive cavity pump having an inner rotor, an outer rotor, and transition end piece |
Also Published As
Publication number | Publication date |
---|---|
US20040057846A1 (en) | 2004-03-25 |
DE10243675B3 (de) | 2004-01-29 |
EP1400693A3 (de) | 2006-03-01 |
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