ZA772971B - Stator for helical gear pumps or motors - Google Patents

Stator for helical gear pumps or motors

Info

Publication number
ZA772971B
ZA772971B ZA00772971A ZA772971A ZA772971B ZA 772971 B ZA772971 B ZA 772971B ZA 00772971 A ZA00772971 A ZA 00772971A ZA 772971 A ZA772971 A ZA 772971A ZA 772971 B ZA772971 B ZA 772971B
Authority
ZA
South Africa
Prior art keywords
stator
motors
helical gear
gear pumps
pumps
Prior art date
Application number
ZA00772971A
Inventor
G Scott
Original Assignee
Mono Pumps Ltd
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 Mono Pumps Ltd filed Critical Mono Pumps Ltd
Publication of ZA772971B publication Critical patent/ZA772971B/en

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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]
ZA00772971A 1976-05-21 1977-05-18 Stator for helical gear pumps or motors ZA772971B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2111876 1976-05-21

Publications (1)

Publication Number Publication Date
ZA772971B true ZA772971B (en) 1978-04-26

Family

ID=10157513

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772971A ZA772971B (en) 1976-05-21 1977-05-18 Stator for helical gear pumps or motors

Country Status (5)

Country Link
JP (1) JPS52156403A (en)
AU (1) AU2530977A (en)
DE (1) DE2722623A1 (en)
IT (1) IT1076062B (en)
ZA (1) ZA772971B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1208072A (en) * 1983-08-16 1986-07-22 Minoru Saruwatari Progressive cavity pump
US5611397A (en) * 1994-02-14 1997-03-18 Wood; Steven M. Reverse Moineau motor and centrifugal pump assembly for producing fluids from a well
JPH01244187A (en) * 1988-03-26 1989-09-28 Ngk Insulators Ltd Single-shaft eccentric screw pump
GB2244517B (en) * 1990-05-31 1994-05-04 Mono Pumps Ltd Helical gear pump and stator
DE19754818A1 (en) * 1997-12-10 1999-06-17 Artemis Kautschuk Kunststoff Process for the production of elastomer stators for eccentric screw pumps
FR2794498B1 (en) * 1999-06-07 2001-06-29 Inst Francais Du Petrole PROGRESSIVE CAVITY PUMP WITH COMPOSITE STATOR AND MANUFACTURING METHOD THEREOF
DE19950257B4 (en) * 1999-10-18 2013-01-17 Wilhelm Kächele GmbH Elastomertechnik Eccentric screw pump with fully lined stator
US8444901B2 (en) * 2007-12-31 2013-05-21 Schlumberger Technology Corporation Method of fabricating a high temperature progressive cavity motor or pump component
JP6352604B2 (en) * 2013-08-20 2018-07-04 ヘイシンテクノベルク株式会社 Rotating positive displacement pump sliding member, and rotary positive displacement pump operating state detection system

Also Published As

Publication number Publication date
JPS52156403A (en) 1977-12-26
IT1076062B (en) 1985-04-22
AU2530977A (en) 1978-11-23
DE2722623A1 (en) 1977-12-08

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