GB2081812B - Stationary part for single-spindle screw pump - Google Patents

Stationary part for single-spindle screw pump

Info

Publication number
GB2081812B
GB2081812B GB8121797A GB8121797A GB2081812B GB 2081812 B GB2081812 B GB 2081812B GB 8121797 A GB8121797 A GB 8121797A GB 8121797 A GB8121797 A GB 8121797A GB 2081812 B GB2081812 B GB 2081812B
Authority
GB
United Kingdom
Prior art keywords
stationary part
screw pump
spindle screw
spindle
stationary
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
GB8121797A
Other versions
GB2081812A (en
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
Original Assignee
FEMMECHANIKA
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 filed Critical FEMMECHANIKA
Publication of GB2081812A publication Critical patent/GB2081812A/en
Application granted granted Critical
Publication of GB2081812B publication Critical patent/GB2081812B/en
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
    • 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)
GB8121797A 1980-07-17 1981-07-15 Stationary part for single-spindle screw pump Expired GB2081812B (en)

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
GB2081812A GB2081812A (en) 1982-02-24
GB2081812B true GB2081812B (en) 1984-08-08

Family

ID=10956188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8121797A Expired GB2081812B (en) 1980-07-17 1981-07-15 Stationary part for single-spindle screw pump

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710930A1 (en) * 1987-04-01 1988-10-20 Gd Anker Gmbh & Co Kg Eccentric spiral pump
DE3820483A1 (en) * 1988-06-16 1989-12-21 Stihl Maschf Andreas PUMP FOR VISCOSE LIQUIDS, ESPECIALLY LUBRICATING OIL PUMP
AT401089B (en) * 1988-09-30 1996-06-25 Gd Anker Gruber Duebel Anker G Eccentric screw pump
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
US7083401B2 (en) 2003-10-27 2006-08-01 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 (en) 2004-08-07 2005-10-06 Netzsch-Mohnopumpen Gmbh Cavity Pump
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 (en) * 1966-03-15 1974-03-07 Karl Dipl.-Ing. 7024 Bernhausen Schlecht Adjustable stator for an eccentric screw pump
DE1653910A1 (en) * 1967-06-09 1971-10-14 Seidl Wilhelm Dipl Ing Device for axially lining up several stators in eccentric screw pumps
DE2161116C3 (en) * 1971-12-09 1979-09-06 Moeller, Heinrich, 4962 Obernkirchen Housing insert for eccentric screw pumps
DE7146795U (en) * 1971-12-13 1972-03-23 Vibrastop Gummimetallverbindungen Kaechele W ADJUSTABLE STATOR
US3912426A (en) * 1974-01-15 1975-10-14 Smith International Segmented stator for progressive cavity transducer
DE2408186A1 (en) * 1974-02-20 1975-08-21 Lonza Werke Gmbh Eccentric pump with screw rotor and stator - has cavities between stator and housing
DE2512792A1 (en) * 1975-03-22 1976-09-30 Gummi Jaeger Kg Gmbh & Cie Cover of eccentric worm pump stator - is of rubber or elastomer and of greater Shore hardness than stator
FR2349729A1 (en) * 1976-04-27 1977-11-25 Tiraspolsky Wladimir Hydraulic machine with helical rotor - has internal and external helices assembled from separately machined longitudinal sections
DE2619751A1 (en) * 1976-05-05 1977-11-17 Mathis Fertigputz Eccentric worm pump stator housing maintained under tension - has adjustable circumference and is covered with pressure transmitting vulcanised material
DE2817280A1 (en) * 1978-04-20 1979-10-25 Streicher Foerdertech STATOR FOR ECCENTRIC SCREW PUMPS

Also Published As

Publication number Publication date
DE3126988C2 (en) 1987-06-25
IT1167465B (en) 1987-05-13
HU181561B (en) 1983-10-28
CS238373B2 (en) 1985-11-13
FR2487017A1 (en) 1982-01-22
IT8122827A0 (en) 1981-07-09
FR2487017B1 (en) 1987-12-24
GB2081812A (en) 1982-02-24
DD202924A5 (en) 1983-10-05
DE3126988A1 (en) 1982-02-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920715