DE3126988C2 - - Google Patents

Info

Publication number
DE3126988C2
DE3126988C2 DE3126988A DE3126988A DE3126988C2 DE 3126988 C2 DE3126988 C2 DE 3126988C2 DE 3126988 A DE3126988 A DE 3126988A DE 3126988 A DE3126988 A DE 3126988A DE 3126988 C2 DE3126988 C2 DE 3126988C2
Authority
DE
Germany
Prior art keywords
profile
sleeve
stator
seals
thread
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.)
Expired
Application number
DE3126988A
Other languages
German (de)
English (en)
Other versions
DE3126988A1 (de
Inventor
Antal Nador
Lajos Budapest Hu Gulyas
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.)
"FEMMECHANIKA" SZIVATTYU ES ANYAGMOZGATOGEP-GYARTO SZOEVETKEZET BUDAPEST HU
Original Assignee
"FEMMECHANIKA" SZIVATTYU ES ANYAGMOZGATOGEP-GYARTO SZOEVETKEZET BUDAPEST HU
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 "FEMMECHANIKA" SZIVATTYU ES ANYAGMOZGATOGEP-GYARTO SZOEVETKEZET BUDAPEST HU filed Critical "FEMMECHANIKA" SZIVATTYU ES ANYAGMOZGATOGEP-GYARTO SZOEVETKEZET BUDAPEST HU
Publication of DE3126988A1 publication Critical patent/DE3126988A1/de
Application granted granted Critical
Publication of DE3126988C2 publication Critical patent/DE3126988C2/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
    • 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
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE19813126988 1980-07-17 1981-07-08 Stator fuer einspindelige schraubenpumpen Granted DE3126988A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU801785A HU181561B (en) 1980-07-17 1980-07-17 Stator for single-spindle screw pump

Publications (2)

Publication Number Publication Date
DE3126988A1 DE3126988A1 (de) 1982-02-25
DE3126988C2 true DE3126988C2 (it) 1987-06-25

Family

ID=10956188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813126988 Granted DE3126988A1 (de) 1980-07-17 1981-07-08 Stator fuer einspindelige schraubenpumpen

Country Status (7)

Country Link
CS (1) CS238373B2 (it)
DD (1) DD202924A5 (it)
DE (1) DE3126988A1 (it)
FR (1) FR2487017B1 (it)
GB (1) GB2081812B (it)
HU (1) HU181561B (it)
IT (1) IT1167465B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710930A1 (de) * 1987-04-01 1988-10-20 Gd Anker Gmbh & Co Kg Exzenterschneckenpumpe
AT401089B (de) * 1988-09-30 1996-06-25 Gd Anker Gruber Duebel Anker G Exzenterschneckenpumpe

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820483A1 (de) * 1988-06-16 1989-12-21 Stihl Maschf Andreas Pumpe fuer viskose fluessigkeiten, insbesondere schmieroelpumpe
GB2244517B (en) * 1990-05-31 1994-05-04 Mono Pumps Ltd Helical gear pump and stator
US5171138A (en) * 1990-12-20 1992-12-15 Drilex Systems, Inc. Composite stator construction for downhole drilling motors
CA2543554C (en) 2003-10-27 2010-03-09 Dyna-Drill Technologies, Inc. Asymmetric contouring of elastomer liner on lobes in a moineau style power section stator
US7407372B2 (en) * 2004-05-14 2008-08-05 Robbins & Myers Energy Systems L.P. Progressing cavity pump or motor
DE102004038477B3 (de) 2004-08-07 2005-10-06 Netzsch-Mohnopumpen Gmbh Exzenterschneckenpumpe
US7517202B2 (en) 2005-01-12 2009-04-14 Smith International, Inc. Multiple elastomer layer progressing cavity stators
US9393648B2 (en) 2010-03-30 2016-07-19 Smith International Inc. Undercut stator for a positive displacment motor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621605A (en) * 1945-10-12 1952-12-16 Clayton Mark & Company Pump
GB800154A (en) * 1955-09-30 1958-08-20 Ahmad Aziz Improvements in or relating to rotary pumps or motors
DE1553199C3 (de) * 1966-03-15 1974-03-07 Karl Dipl.-Ing. 7024 Bernhausen Schlecht Nachstellbarer Stator für eine Exzenter-Schraubenpumpe
DE1653910A1 (de) * 1967-06-09 1971-10-14 Seidl Wilhelm Dipl Ing Einrichtung zum axialen Aneinanderreihen mehrerer Statoren bei Exzenter-Schneckenpumpen
DE2161116C3 (de) * 1971-12-09 1979-09-06 Moeller, Heinrich, 4962 Obernkirchen Gehäuseeinsatz für Exzenterschnekkenpumpen
DE7146795U (de) * 1971-12-13 1972-03-23 Vibrastop Gummimetallverbindungen Kaechele W Nachstellbarer stator
US3912426A (en) * 1974-01-15 1975-10-14 Smith International Segmented stator for progressive cavity transducer
DE2408186A1 (de) * 1974-02-20 1975-08-21 Lonza Werke Gmbh Exzenterschneckenpumpe
DE2512792A1 (de) * 1975-03-22 1976-09-30 Gummi Jaeger Kg Gmbh & Cie Nachstellbarer stator fuer exzenterschneckenpumpen
FR2349729A1 (fr) * 1976-04-27 1977-11-25 Tiraspolsky Wladimir Engin helicoidal tronconne tel que pompe ou moteur
DE2619751A1 (de) * 1976-05-05 1977-11-17 Mathis Fertigputz Spannvorrichtung fuer den elastischen stator einer exzenter-schneckenpumpe
DE2817280A1 (de) * 1978-04-20 1979-10-25 Streicher Foerdertech Stator fuer exzenterschneckenpumpen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710930A1 (de) * 1987-04-01 1988-10-20 Gd Anker Gmbh & Co Kg Exzenterschneckenpumpe
AT401089B (de) * 1988-09-30 1996-06-25 Gd Anker Gruber Duebel Anker G Exzenterschneckenpumpe

Also Published As

Publication number Publication date
GB2081812B (en) 1984-08-08
CS238373B2 (en) 1985-11-13
IT1167465B (it) 1987-05-13
DD202924A5 (de) 1983-10-05
FR2487017B1 (fr) 1987-12-24
GB2081812A (en) 1982-02-24
HU181561B (en) 1983-10-28
FR2487017A1 (fr) 1982-01-22
DE3126988A1 (de) 1982-02-25
IT8122827A0 (it) 1981-07-09

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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