GB2228976B - Helical gear pump - Google Patents

Helical gear pump

Info

Publication number
GB2228976B
GB2228976B GB8902230A GB8902230A GB2228976B GB 2228976 B GB2228976 B GB 2228976B GB 8902230 A GB8902230 A GB 8902230A GB 8902230 A GB8902230 A GB 8902230A GB 2228976 B GB2228976 B GB 2228976B
Authority
GB
United Kingdom
Prior art keywords
helical gear
gear pump
helical
pump
gear
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 - Fee Related
Application number
GB8902230A
Other versions
GB2228976A (en
GB8902230D0 (en
Inventor
Lindsay Thomas Mathewson
Geoffrey Harold May
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.)
NOV Process and Flow Technologies UK Ltd
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
Priority to GB8902230A priority Critical patent/GB2228976B/en
Publication of GB8902230D0 publication Critical patent/GB8902230D0/en
Priority to EP19900300894 priority patent/EP0381413A3/en
Priority to FI900500A priority patent/FI900500A0/en
Priority to NO900446A priority patent/NO172200C/en
Publication of GB2228976A publication Critical patent/GB2228976A/en
Priority to US07/746,174 priority patent/US5120204A/en
Application granted granted Critical
Publication of GB2228976B publication Critical patent/GB2228976B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GB8902230A 1989-02-01 1989-02-01 Helical gear pump Expired - Fee Related GB2228976B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB8902230A GB2228976B (en) 1989-02-01 1989-02-01 Helical gear pump
EP19900300894 EP0381413A3 (en) 1989-02-01 1990-01-29 Helical gear pump
FI900500A FI900500A0 (en) 1989-02-01 1990-01-31 SKRUVPUMP.
NO900446A NO172200C (en) 1989-02-01 1990-01-31 TURN GEAR PUMP
US07/746,174 US5120204A (en) 1989-02-01 1991-08-15 Helical gear pump with progressive interference between rotor and stator

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8902230D0 GB8902230D0 (en) 1989-03-22
GB2228976A GB2228976A (en) 1990-09-12
GB2228976B true GB2228976B (en) 1993-08-11

Family

ID=10650971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8902230A Expired - Fee Related GB2228976B (en) 1989-02-01 1989-02-01 Helical 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

Citations (4)

* 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
GB1001336A (en) * 1963-07-25 1965-08-18 Mono Pumps Ltd Helical gear pump
GB1542786A (en) * 1976-03-09 1979-03-28 Mec Et De Metallurg Sa Soc Gen Moineau-type screw pump stators
US4773834A (en) * 1983-08-16 1988-09-27 Patrick J. Quinn Progressive cavity pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (4)

* 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
GB1001336A (en) * 1963-07-25 1965-08-18 Mono Pumps Ltd Helical gear pump
GB1542786A (en) * 1976-03-09 1979-03-28 Mec Et De Metallurg Sa Soc Gen Moineau-type screw pump stators
US4773834A (en) * 1983-08-16 1988-09-27 Patrick J. Quinn Progressive cavity pump

Also Published As

Publication number Publication date
EP0381413A2 (en) 1990-08-08
GB2228976A (en) 1990-09-12
FI900500A0 (en) 1990-01-31
NO172200C (en) 1993-06-16
EP0381413A3 (en) 1990-12-05
GB8902230D0 (en) 1989-03-22
NO900446D0 (en) 1990-01-31
NO900446L (en) 1990-08-02
NO172200B (en) 1993-03-08

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Legal Events

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

Effective date: 19940201