GB2228976B - Helical gear pump - Google Patents
Helical gear pumpInfo
- 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
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)
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)
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)
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)
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 |
-
1989
- 1989-02-01 GB GB8902230A patent/GB2228976B/en not_active Expired - Fee Related
-
1990
- 1990-01-29 EP EP19900300894 patent/EP0381413A3/en not_active Withdrawn
- 1990-01-31 FI FI900500A patent/FI900500A0/en not_active IP Right Cessation
- 1990-01-31 NO NO900446A patent/NO172200C/en unknown
Patent Citations (4)
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 |
---|---|
NO900446D0 (en) | 1990-01-31 |
GB2228976A (en) | 1990-09-12 |
EP0381413A3 (en) | 1990-12-05 |
NO900446L (en) | 1990-08-02 |
EP0381413A2 (en) | 1990-08-08 |
FI900500A0 (en) | 1990-01-31 |
NO172200B (en) | 1993-03-08 |
GB8902230D0 (en) | 1989-03-22 |
NO172200C (en) | 1993-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940201 |