GB2162590B - Hydraulically driven pumps - Google Patents

Hydraulically driven pumps

Info

Publication number
GB2162590B
GB2162590B GB08515086A GB8515086A GB2162590B GB 2162590 B GB2162590 B GB 2162590B GB 08515086 A GB08515086 A GB 08515086A GB 8515086 A GB8515086 A GB 8515086A GB 2162590 B GB2162590 B GB 2162590B
Authority
GB
United Kingdom
Prior art keywords
hydraulically driven
driven pumps
pumps
hydraulically
driven
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
Application number
GB08515086A
Other versions
GB2162590A (en
GB8515086D0 (en
Inventor
Eric Dring
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.)
Dale
Original Assignee
Dale
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
Priority claimed from GB848417539A external-priority patent/GB8417539D0/en
Priority claimed from GB848417514A external-priority patent/GB8417514D0/en
Application filed by Dale filed Critical Dale
Publication of GB8515086D0 publication Critical patent/GB8515086D0/en
Publication of GB2162590A publication Critical patent/GB2162590A/en
Application granted granted Critical
Publication of GB2162590B publication Critical patent/GB2162590B/en
Expired 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1172—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
    • F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
GB08515086A 1984-07-10 1985-06-14 Hydraulically driven pumps Expired GB2162590B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848417539A GB8417539D0 (en) 1984-07-10 1984-07-10 Pumping arrangements
GB848417514A GB8417514D0 (en) 1984-07-10 1984-07-10 Prevention of sediments

Publications (3)

Publication Number Publication Date
GB8515086D0 GB8515086D0 (en) 1985-07-17
GB2162590A GB2162590A (en) 1986-02-05
GB2162590B true GB2162590B (en) 1988-02-10

Family

ID=26287967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08515086A Expired GB2162590B (en) 1984-07-10 1985-06-14 Hydraulically driven pumps

Country Status (1)

Country Link
GB (1) GB2162590B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0321576D0 (en) 2003-09-15 2003-10-15 Boc Group Plc Valving for multi-stage vacuum pumps
CN104976165B (en) * 2015-06-10 2017-01-25 西南交通大学 Water pressure variable pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363575A (en) * 1966-01-24 1968-01-16 Cicero C Brown Fluid pressure-driven multiplex pump
US3425356A (en) * 1967-01-31 1969-02-04 Case Co J I Control system for concrete placer
GB1452561A (en) * 1973-11-16 1976-10-13 Fogt Indmasch Apparatus for pumping wet concrete
GB1581640A (en) * 1976-08-17 1980-12-17 English Clays Lovering Pochin System for pumping an abrasive or corrosive fluid
AU548213B2 (en) * 1981-11-25 1985-11-28 Frederick James Box Pump systems
US4527959A (en) * 1983-05-10 1985-07-09 Whiteman Manufacturing Company Drilling fluid pump providing a uniform, controlled pressure and flow rate

Also Published As

Publication number Publication date
GB2162590A (en) 1986-02-05
GB8515086D0 (en) 1985-07-17

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Legal Events

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

Effective date: 19920614