DE3438379A1 - Stator fuer exzenterschneckenpumpen - Google Patents

Stator fuer exzenterschneckenpumpen

Info

Publication number
DE3438379A1
DE3438379A1 DE19843438379 DE3438379A DE3438379A1 DE 3438379 A1 DE3438379 A1 DE 3438379A1 DE 19843438379 DE19843438379 DE 19843438379 DE 3438379 A DE3438379 A DE 3438379A DE 3438379 A1 DE3438379 A1 DE 3438379A1
Authority
DE
Germany
Prior art keywords
stator
webs
twin screw
stator according
outside
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
Application number
DE19843438379
Other languages
German (de)
English (en)
Other versions
DE3438379C2 (enrdf_load_stackoverflow
Inventor
Gunnar 3054 Rodenberg Otto
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.)
Kunststofftechnik Rodenberg GmbH and Co KG
Original Assignee
Kunststofftechnik Rodenberg GmbH and Co KG
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 Kunststofftechnik Rodenberg GmbH and Co KG filed Critical Kunststofftechnik Rodenberg GmbH and Co KG
Priority to DE19843438379 priority Critical patent/DE3438379A1/de
Publication of DE3438379A1 publication Critical patent/DE3438379A1/de
Application granted granted Critical
Publication of DE3438379C2 publication Critical patent/DE3438379C2/de
Granted legal-status Critical Current

Links

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
    • F04C2/1073—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 where one member is stationary while the other member rotates and orbits
    • F04C2/1075—Construction of the stationary 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
DE19843438379 1984-10-19 1984-10-19 Stator fuer exzenterschneckenpumpen Granted DE3438379A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843438379 DE3438379A1 (de) 1984-10-19 1984-10-19 Stator fuer exzenterschneckenpumpen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843438379 DE3438379A1 (de) 1984-10-19 1984-10-19 Stator fuer exzenterschneckenpumpen

Publications (2)

Publication Number Publication Date
DE3438379A1 true DE3438379A1 (de) 1986-04-24
DE3438379C2 DE3438379C2 (enrdf_load_stackoverflow) 1989-07-06

Family

ID=6248327

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843438379 Granted DE3438379A1 (de) 1984-10-19 1984-10-19 Stator fuer exzenterschneckenpumpen

Country Status (1)

Country Link
DE (1) DE3438379A1 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318416A (en) * 1991-05-22 1994-06-07 Netzsch-Mohnopumpen Gmbh Casing of an eccentric worm pump designed to burst at preselected pressure
WO2001044615A3 (en) * 1999-11-10 2002-01-03 Ewm Technology Inc Composite stator for drilling motors and method of constructing same
US20080310984A1 (en) * 2007-06-12 2008-12-18 General Electric Company Positive displacement capture device
DE102009015024B3 (de) * 2009-03-26 2010-07-15 Netzsch-Mohnopumpen Gmbh Stator für Exzenterschneckenpumpen
WO2019224457A1 (fr) * 2018-05-23 2019-11-28 Pcm Technologies Elément de stator d'une pompe à cavités progressives et pompe à cavités progressives
WO2023099240A1 (de) * 2021-11-30 2023-06-08 Netzsch Pumpen & Systeme Gmbh Exzenterschneckenpumpe mit vereinfacht zu fertigender statorauskleidung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316127A1 (de) * 1973-03-30 1974-10-10 Netzsch Mohnopumpen Gmbh Exzenterschneckenpumpe
DE2408186A1 (de) * 1974-02-20 1975-08-21 Lonza Werke Gmbh Exzenterschneckenpumpe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316127A1 (de) * 1973-03-30 1974-10-10 Netzsch Mohnopumpen Gmbh Exzenterschneckenpumpe
DE2408186A1 (de) * 1974-02-20 1975-08-21 Lonza Werke Gmbh Exzenterschneckenpumpe

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318416A (en) * 1991-05-22 1994-06-07 Netzsch-Mohnopumpen Gmbh Casing of an eccentric worm pump designed to burst at preselected pressure
WO2001044615A3 (en) * 1999-11-10 2002-01-03 Ewm Technology Inc Composite stator for drilling motors and method of constructing same
US20080310984A1 (en) * 2007-06-12 2008-12-18 General Electric Company Positive displacement capture device
DE102009015024B3 (de) * 2009-03-26 2010-07-15 Netzsch-Mohnopumpen Gmbh Stator für Exzenterschneckenpumpen
WO2010108487A2 (de) 2009-03-26 2010-09-30 Netzsch-Mohnopumpen Gmbh Stator für exzenterschneckenpumpen
WO2010108487A3 (de) * 2009-03-26 2012-03-29 Netzsch-Mohnopumpen Gmbh Stator für exzenterschneckenpumpen
WO2019224457A1 (fr) * 2018-05-23 2019-11-28 Pcm Technologies Elément de stator d'une pompe à cavités progressives et pompe à cavités progressives
FR3081519A1 (fr) * 2018-05-23 2019-11-29 Pcm Technologies Element de stator d'une pompe a cavites progressives et pompe a cavites progressives
US11326594B2 (en) 2018-05-23 2022-05-10 Pcm Technologies Stator element of a progressive cavity pump and progressive cavity pump
WO2023099240A1 (de) * 2021-11-30 2023-06-08 Netzsch Pumpen & Systeme Gmbh Exzenterschneckenpumpe mit vereinfacht zu fertigender statorauskleidung
US12313070B2 (en) 2021-11-30 2025-05-27 Netzsch Pumpen & Systeme Gmbh Eccentric screw pump having a stator linking which is simpler to produce

Also Published As

Publication number Publication date
DE3438379C2 (enrdf_load_stackoverflow) 1989-07-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee