GB2228976B - Helical gear pump - Google Patents

Helical gear pump

Info

Publication number: GB2228976B
Authority: GB; United Kingdom
Prior art keywords: helical gear; gear pump; helical; pump; gear
Prior art date: 1989-02-01
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.)

1989-02-01

Filing date

1989-02-01

Publication date

1993-08-11

1989-02-01 Application filed by Mono Pumps Ltd filed Critical Mono Pumps Ltd

1989-02-01 Priority to GB8902230A priority Critical patent/GB2228976B/en

1989-03-22 Publication of GB8902230D0 publication Critical patent/GB8902230D0/en

1990-01-29 Priority to EP19900300894 priority patent/EP0381413A3/en

1990-01-31 Priority to NO900446A priority patent/NO172200C/en

1990-01-31 Priority to FI900500A priority patent/FI900500A7/en

1990-09-12 Publication of GB2228976A publication Critical patent/GB2228976A/en

1991-08-15 Priority to US07/746,174 priority patent/US5120204A/en

1993-08-11 Application granted granted Critical

1993-08-11 Publication of GB2228976B publication Critical patent/GB2228976B/en

2009-02-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
NO900446A NO172200C (en)	1989-02-01	1990-01-31	TURN GEAR PUMP
FI900500A FI900500A7 (en)	1989-02-01	1990-01-31	Screw 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)	FI900500A7 (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

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/FI900500A7/en not_active IP Right Cessation
- 1990-01-31 NO NO900446A patent/NO172200C/en unknown

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
NO172200B (en)	1993-03-08
FI900500A7 (en)	1990-08-02
GB2228976A (en)	1990-09-12
NO900446L (en)	1990-08-02
GB8902230D0 (en)	1989-03-22
FI900500A0 (en)	1990-01-31
EP0381413A3 (en)	1990-12-05
NO900446D0 (en)	1990-01-31
NO172200C (en)	1993-06-16
EP0381413A2 (en)	1990-08-08

Publication	Publication Date	Title
GB2244517B (en)	1994-05-04	Helical gear pump and stator
EP0509218A3 (en)	1993-07-07	Gear pump
GB2135734B (en)	1986-01-29	Helical gear pump
DE3371674D1 (en)	1987-06-25	Helical gear pump
GB2242233B (en)	1993-08-25	Internal gear pump
GB9207906D0 (en)	1992-05-27	Gear pump
GB2244518B (en)	1994-03-16	Helical gear pump
GB2228976B (en)	1993-08-11	Helical gear pump
GB2238355B (en)	1993-08-25	A gear pump
ZA904796B (en)	1991-12-24	Ball-power gear unit
EP0410150A3 (en)	1991-11-27	Gear pump
GB2254376B (en)	1994-11-16	Gear pump
EP0420682A3 (en)	1991-05-08	Meshing gear members
EP0342346A3 (en)	1990-04-18	Gear pump
EP0315878A3 (en)	1990-01-17	Internal gear pump
GB2120729B (en)	1985-07-24	Helical gear pump
GB2274489B (en)	1995-06-28	Gear pumps
GB8924384D0 (en)	1989-12-20	Helical gear pump
GB8802599D0 (en)	1988-03-02	Improved gear pump
SU1546752A1 (en)	1990-02-28	Helical gear
CA65340S (en)	1990-02-12	Gear casing
KR0110353Y1 (en)	1997-12-22	Internal gear pump
GB8903730D0 (en)	1989-04-05	Gear pumps
SU1546710A2 (en)	1990-02-28	Gear pump
GB8807041D0 (en)	1988-04-27	Gear pumps

Legal Events

Date	Code	Title	Description
1994-09-28	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19940201