EP0172795A3 - A fluid pump - Google Patents

A fluid pump Download PDF

Info

Publication number
EP0172795A3
EP0172795A3 EP85850233A EP85850233A EP0172795A3 EP 0172795 A3 EP0172795 A3 EP 0172795A3 EP 85850233 A EP85850233 A EP 85850233A EP 85850233 A EP85850233 A EP 85850233A EP 0172795 A3 EP0172795 A3 EP 0172795A3
Authority
EP
European Patent Office
Prior art keywords
fluid pump
tube
volume
change
pumping
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.)
Withdrawn
Application number
EP85850233A
Other languages
German (de)
French (fr)
Other versions
EP0172795A2 (en
Inventor
Ulf Jöran Lagne
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.)
Institut Cerac SA
Original Assignee
Institut Cerac SA
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 Institut Cerac SA filed Critical Institut Cerac SA
Publication of EP0172795A2 publication Critical patent/EP0172795A2/en
Publication of EP0172795A3 publication Critical patent/EP0172795A3/en
Withdrawn legal-status Critical Current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
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F04B47/024—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level actuated by muscle power
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/10—Pumps having fluid drive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

A fluid pump having an elastic tubular member (21) as pumping element. The tube is provided with helically extending reinforcing threads (42). Pressurization of the interior of the tube results in a change of volume of the tube. This volume change accomplishes the pumping.
EP85850233A 1984-08-01 1985-07-10 A fluid pump Withdrawn EP0172795A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3712/84 1984-08-01
CH371284A CH657668A5 (en) 1984-08-01 1984-08-01 FLUID PUMP.

Publications (2)

Publication Number Publication Date
EP0172795A2 EP0172795A2 (en) 1986-02-26
EP0172795A3 true EP0172795A3 (en) 1987-01-14

Family

ID=4261889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85850233A Withdrawn EP0172795A3 (en) 1984-08-01 1985-07-10 A fluid pump

Country Status (3)

Country Link
EP (1) EP0172795A3 (en)
JP (1) JPS61106986A (en)
CH (1) CH657668A5 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004498A1 (en) * 1986-01-16 1987-07-30 Olofsson Bjoern A pump arrangement, particularly for pumping water from deep wells
JPH0348004A (en) * 1989-07-11 1991-03-01 Bridgestone Corp Double-acting type actuator
GB2304828B (en) * 1995-09-07 1998-12-23 Stanwell Technic Ltd Drinks dispensing apparatus
DE10142107C1 (en) * 2001-08-30 2003-05-15 Gruender & Hoetten Gmbh Fluid pump, for use in mining and chemical industry, has piston mounted on pneumatic muscles which increase in diameter and decrease in length when pressure fluid is fed into them, moving piston
DE102004049528A1 (en) * 2004-10-09 2006-04-13 Stitz GmbH Meßgeräte und Apparate Hydraulic or pneumatic pump to supply liquids has pump housing in elongated form of tube or low-elasticity hose, with plugs at both ends containing no-return valves

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335666A (en) * 1966-01-05 1967-08-15 Laval Turbine Pulsator pumps
DE1911525A1 (en) * 1968-03-08 1969-10-02 Stefani Roberto De Pumping system with a pump attached outside a drilled well
GB1497712A (en) * 1975-01-06 1978-01-12 Vergnet M Pumps

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335666A (en) * 1966-01-05 1967-08-15 Laval Turbine Pulsator pumps
DE1911525A1 (en) * 1968-03-08 1969-10-02 Stefani Roberto De Pumping system with a pump attached outside a drilled well
GB1497712A (en) * 1975-01-06 1978-01-12 Vergnet M Pumps

Also Published As

Publication number Publication date
CH657668A5 (en) 1986-09-15
EP0172795A2 (en) 1986-02-26
JPS61106986A (en) 1986-05-24

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Legal Events

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Effective date: 19870626

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Effective date: 19880701

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18D Application deemed to be withdrawn

Effective date: 19881114

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LAGNE, ULF JOERAN