ZA9710493B - Fluid driven pumps and apparatus employing such pumps - Google Patents

Fluid driven pumps and apparatus employing such pumps

Info

Publication number
ZA9710493B
ZA9710493B ZA9710493A ZA9710493A ZA9710493B ZA 9710493 B ZA9710493 B ZA 9710493B ZA 9710493 A ZA9710493 A ZA 9710493A ZA 9710493 A ZA9710493 A ZA 9710493A ZA 9710493 B ZA9710493 B ZA 9710493B
Authority
ZA
South Africa
Prior art keywords
pumps
apparatus employing
fluid driven
driven pumps
fluid
Prior art date
Application number
ZA9710493A
Inventor
Colin Pearson
Original Assignee
Colin Pearson
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 Colin Pearson filed Critical Colin Pearson
Publication of ZA9710493B publication Critical patent/ZA9710493B/en

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
    • F04B9/111—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 with two mechanically connected pumping members
    • F04B9/115—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 with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/06—Energy recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA9710493A 1996-11-21 1997-11-21 Fluid driven pumps and apparatus employing such pumps ZA9710493B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9624205.2A GB9624205D0 (en) 1996-11-21 1996-11-21 Fluid driven pump

Publications (1)

Publication Number Publication Date
ZA9710493B true ZA9710493B (en) 1999-03-17

Family

ID=10803267

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9710493A ZA9710493B (en) 1996-11-21 1997-11-21 Fluid driven pumps and apparatus employing such pumps

Country Status (2)

Country Link
GB (2) GB9624205D0 (en)
ZA (1) ZA9710493B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356432A (en) * 1999-11-18 2001-05-23 Colin Pearson Fluid powered pump with valve control
GB2357320B (en) 1999-12-15 2004-03-24 Calder Ltd Energy recovery device
FR2841611B1 (en) * 2002-06-27 2006-02-17 Michel Magnoler HYDRAULIC AMPLIFICATION DEVICE FOR A HIGH PRESSURE PUMPING SYSTEM
GB2391912A (en) * 2002-08-15 2004-02-18 Colin Alfred Pearson Energy recycling pump
GB2425335A (en) 2005-04-23 2006-10-25 Colin Alfred Pearson A pump powered partly by a mechanical drive and partly by a pressurised fluid flow
US9233340B1 (en) * 2015-01-13 2016-01-12 Renergy Technologies Ltd. Cylinder arrangement and method of use for energy recovery with seawater desalination
US10598162B2 (en) 2016-10-20 2020-03-24 Katadyn Desalination, Llc Pump and a desalination system including the pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148593A (en) * 1966-04-18 1969-04-16 Albert William Vauds Hydraulically activated reciprocating motors and pumps
GB1194364A (en) * 1967-06-30 1970-06-10 Albert William Vaudt A Fluid Actuated Reciprocating Motor.
US4386888A (en) * 1980-09-29 1983-06-07 Mccann's Engineering And Manufacturing Company Double diaphragm operated reversing valve pump
US4637783A (en) * 1980-10-20 1987-01-20 Sri International Fluid motor-pumping apparatus and method for energy recovery
US4705458A (en) * 1982-07-30 1987-11-10 Bellofram Corporation Fluid operated pump
JPH07102305B2 (en) * 1988-06-29 1995-11-08 株式会社ササクラ Reverse osmosis membrane concentrator
DK168947B1 (en) * 1992-05-07 1994-07-18 Berke Joergensen Joergen The metering devices

Also Published As

Publication number Publication date
GB2319570A (en) 1998-05-27
GB9707346D0 (en) 1997-05-28
GB9624205D0 (en) 1997-01-08

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