NO900446L - Progressive cavity. - Google Patents

Progressive cavity.

Info

Publication number
NO900446L
NO900446L NO90900446A NO900446A NO900446L NO 900446 L NO900446 L NO 900446L NO 90900446 A NO90900446 A NO 90900446A NO 900446 A NO900446 A NO 900446A NO 900446 L NO900446 L NO 900446L
Authority
NO
Norway
Prior art keywords
progressive cavity
progressive
cavity
Prior art date
Application number
NO90900446A
Other languages
Norwegian (no)
Other versions
NO172200C (en
NO900446D0 (en
NO172200B (en
Inventor
Lindsay Thomas Mathewson
Geoffrey Harold May
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 NO900446D0 publication Critical patent/NO900446D0/en
Publication of NO900446L publication Critical patent/NO900446L/en
Publication of NO172200B publication Critical patent/NO172200B/en
Publication of NO172200C publication Critical patent/NO172200C/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
NO900446A 1989-02-01 1990-01-31 TURN GEAR PUMP NO172200C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8902230A GB2228976B (en) 1989-02-01 1989-02-01 Helical gear pump

Publications (4)

Publication Number Publication Date
NO900446D0 NO900446D0 (en) 1990-01-31
NO900446L true NO900446L (en) 1990-08-02
NO172200B NO172200B (en) 1993-03-08
NO172200C NO172200C (en) 1993-06-16

Family

ID=10650971

Family Applications (1)

Application Number Title Priority Date Filing Date
NO900446A NO172200C (en) 1989-02-01 1990-01-31 TURN GEAR PUMP

Country Status (4)

Country Link
EP (1) EP0381413A3 (en)
FI (1) FI900500A0 (en)
GB (1) GB2228976B (en)
NO (1) NO172200C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5395221A (en) * 1993-03-18 1995-03-07 Praxair S.T. Technology, Inc. Carbide or boride coated rotor for a positive displacement motor or pump
US5498142A (en) * 1995-05-30 1996-03-12 Kudu Industries, Inc. Hardfacing for progressing cavity pump rotors
GB2341423B (en) * 1998-09-09 2002-04-24 Mono Pumps Ltd Progressing cavity pump
RU2228443C1 (en) * 2003-03-11 2004-05-10 Общество с ограниченной ответственностью фирма "Радиус-Сервис" Rotor of screw hydraulic machine
CN105240269A (en) * 2014-06-26 2016-01-13 水利部科技推广中心 Double-end U-type thread divided spiral micro-nano bubble device
DE102017104768A1 (en) 2017-03-07 2018-09-13 Seepex Gmbh Cavity Pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629454A (en) * 1947-11-04 1949-09-20 Fmc Corp Improvements in gear type pumps
BE651030A (en) * 1963-07-25
DE1553146A1 (en) * 1965-09-16 1970-02-05 Netzsch Maschinenfabrik Runner for screw pumps
DE1553148A1 (en) * 1966-03-12 1969-07-03 Netzsch Maschinenfabrik Runner for screw pumps
DE2017620C3 (en) * 1970-04-13 1981-07-16 Gummi-Jäger KG GmbH & Cie, 3000 Hannover Eccentric screw pump
FR2343906A1 (en) * 1976-03-09 1977-10-07 Mecanique Metallurgie Ste Gle IMPROVEMENTS TO SCREW PUMP STATORS
CA1208072A (en) * 1983-08-16 1986-07-22 Minoru Saruwatari Progressive cavity pump

Also Published As

Publication number Publication date
GB2228976B (en) 1993-08-11
NO172200C (en) 1993-06-16
EP0381413A2 (en) 1990-08-08
NO900446D0 (en) 1990-01-31
EP0381413A3 (en) 1990-12-05
GB8902230D0 (en) 1989-03-22
GB2228976A (en) 1990-09-12
FI900500A0 (en) 1990-01-31
NO172200B (en) 1993-03-08

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