DE3661645D1 - Stator for a helical gear pump - Google Patents

Stator for a helical gear pump

Info

Publication number
DE3661645D1
DE3661645D1 DE8686109623T DE3661645T DE3661645D1 DE 3661645 D1 DE3661645 D1 DE 3661645D1 DE 8686109623 T DE8686109623 T DE 8686109623T DE 3661645 T DE3661645 T DE 3661645T DE 3661645 D1 DE3661645 D1 DE 3661645D1
Authority
DE
Germany
Prior art keywords
stator
lining
concave arcs
helical gear
gear pump
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
DE8686109623T
Other languages
English (en)
Inventor
Eugen Unterstrasser
Johann Kreidl
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.)
Netzsch Pumpen and Systeme GmbH
Original Assignee
Netzsch Pumpen and Systeme GmbH
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 Netzsch Pumpen and Systeme GmbH filed Critical Netzsch Pumpen and Systeme GmbH
Priority to DE8686109623T priority Critical patent/DE3661645D1/de
Application granted granted Critical
Publication of DE3661645D1 publication Critical patent/DE3661645D1/de
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
DE8686109623T 1985-07-17 1986-07-14 Stator for a helical gear pump Expired DE3661645D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686109623T DE3661645D1 (en) 1985-07-17 1986-07-14 Stator for a helical gear pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3525529A DE3525529C1 (de) 1985-07-17 1985-07-17 Stator fuer Exzenterschneckenpumpen
DE8686109623T DE3661645D1 (en) 1985-07-17 1986-07-14 Stator for a helical gear pump

Publications (1)

Publication Number Publication Date
DE3661645D1 true DE3661645D1 (en) 1989-02-09

Family

ID=6276006

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3525529A Expired DE3525529C1 (de) 1985-07-17 1985-07-17 Stator fuer Exzenterschneckenpumpen
DE8686109623T Expired DE3661645D1 (en) 1985-07-17 1986-07-14 Stator for a helical gear pump

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3525529A Expired DE3525529C1 (de) 1985-07-17 1985-07-17 Stator fuer Exzenterschneckenpumpen

Country Status (6)

Country Link
US (1) US4863359A (de)
EP (1) EP0209099B1 (de)
JP (1) JPH071035B2 (de)
AT (1) ATE39731T1 (de)
BR (1) BR8603356A (de)
DE (2) DE3525529C1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120204A (en) * 1989-02-01 1992-06-09 Mono Pumps Limited Helical gear pump with progressive interference between rotor and stator
GB2244517B (en) * 1990-05-31 1994-05-04 Mono Pumps Ltd Helical gear pump and stator
DE4237966A1 (de) * 1992-11-11 1994-05-26 Arnold Jaeger Exzenterschneckenpumpe
US5832604A (en) * 1995-09-08 1998-11-10 Hydro-Drill, Inc. Method of manufacturing segmented stators for helical gear pumps and motors
DE19950258A1 (de) * 1999-10-18 2001-04-26 Wilhelm Kaechele Gmbh Elastome Stator mit stabilen Stirnring
US6604921B1 (en) 2002-01-24 2003-08-12 Schlumberger Technology Corporation Optimized liner thickness for positive displacement 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
US8888474B2 (en) 2011-09-08 2014-11-18 Baker Hughes Incorporated Downhole motors and pumps with asymmetric lobes
PL4282539T3 (pl) * 2021-01-19 2025-10-20 Musashi Engineering, Inc. Urządzenie do przesyłania płynu, urządzenie powlekające zawierające to urządzenie i sposób powlekania
JP7138382B1 (ja) * 2022-01-18 2022-09-16 兵神装備株式会社 一軸偏心ねじポンプ
JP7199128B1 (ja) * 2022-01-18 2023-01-05 兵神装備株式会社 一軸偏心ねじポンプ
JP7138383B1 (ja) * 2022-01-18 2022-09-16 兵神装備株式会社 一軸偏心ねじポンプ
WO2024137584A1 (en) * 2022-12-22 2024-06-27 Schlumberger Technology Corporation Stator with non-uniform thickness for one-to-two lobe ratio pumps

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084631A (en) * 1962-01-17 1963-04-09 Robbins & Myers Helical gear pump with stator compression
US3499389A (en) * 1967-04-19 1970-03-10 Seeberger Kg Worm pump
DE1653897A1 (de) * 1967-04-19 1971-07-01 Seeberger Kg Maschinen Und Ger Schneckenpumpe
DE1653899A1 (de) * 1967-08-12 1971-09-30 Seeberger Kg Maschinen Und Ger Schneckenpumpe
DE2017620C3 (de) * 1970-04-13 1981-07-16 Gummi-Jäger KG GmbH & Cie, 3000 Hannover Exzenterschneckenpumpe
DE2408186A1 (de) * 1974-02-20 1975-08-21 Lonza Werke Gmbh Exzenterschneckenpumpe
FR2343906A1 (fr) * 1976-03-09 1977-10-07 Mecanique Metallurgie Ste Gle Perfectionnements aux stators de pompes a vis
DE2817280A1 (de) * 1978-04-20 1979-10-25 Streicher Foerdertech Stator fuer exzenterschneckenpumpen
JPS6017954B2 (ja) * 1981-04-23 1985-05-08 兵神装備株式会社 一軸偏心ねじポンプ
DE3147663A1 (de) * 1981-12-02 1983-06-09 Gummi-Jäger KG GmbH & Cie, 3000 Hannover Stator fuer schneckenpumpen
US4676725A (en) * 1985-12-27 1987-06-30 Hughes Tool Company Moineau type gear mechanism with resilient sleeve

Also Published As

Publication number Publication date
JPH071035B2 (ja) 1995-01-11
JPS6220684A (ja) 1987-01-29
ATE39731T1 (de) 1989-01-15
EP0209099B1 (de) 1989-01-04
EP0209099A1 (de) 1987-01-21
DE3525529C1 (de) 1986-08-07
BR8603356A (pt) 1987-02-24
US4863359A (en) 1989-09-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)