EP2405138A3 - Pumping device - Google Patents

Pumping device Download PDF

Info

Publication number
EP2405138A3
EP2405138A3 EP11183329A EP11183329A EP2405138A3 EP 2405138 A3 EP2405138 A3 EP 2405138A3 EP 11183329 A EP11183329 A EP 11183329A EP 11183329 A EP11183329 A EP 11183329A EP 2405138 A3 EP2405138 A3 EP 2405138A3
Authority
EP
European Patent Office
Prior art keywords
plunjer
cylinder
fluid
breathing segment
pumping device
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.)
Granted
Application number
EP11183329A
Other languages
German (de)
French (fr)
Other versions
EP2405138B1 (en
EP2405138A2 (en
Inventor
Johann Carl Rudolf Van Der Hart
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.)
Jcr Van Der Hart Holding Bv
Original Assignee
Jcr Van Der Hart Holding Bv
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 Jcr Van Der Hart Holding Bv filed Critical Jcr Van Der Hart Holding Bv
Publication of EP2405138A2 publication Critical patent/EP2405138A2/en
Publication of EP2405138A3 publication Critical patent/EP2405138A3/en
Application granted granted Critical
Publication of EP2405138B1 publication Critical patent/EP2405138B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04B9/113—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 a double-acting 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders

Landscapes

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

Abstract

The invention relates to a pumping device comprising a first low pressure plunjer with a first plunjer surface area and which is up and down moveable in a first cylinder, and a functionally coupled second, high pressure plunjer with a second, smaller plunjer area and which is moveable in a second cylinder, which first plunger in operation drives the second cylinder causing in operation an amplification of the compressor force for pumping a fluid, wherein further a breathing segment is provided between both plungers, in which the space of the breathing segment is in fluid connection coupled with an inlet of the fluid which needs to be pumped, like a gas, and is provided with a regulator for in operation maintaining a small overpressure on the breathing segment.
EP11183329.9A 2009-01-28 2010-01-28 Pumping device Not-in-force EP2405138B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2002460 2009-01-28
EP10152003.9A EP2224132B1 (en) 2009-01-28 2010-01-28 Pumping device

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP10152003.9 Division 2010-01-28
EP10152003.9A Division EP2224132B1 (en) 2009-01-28 2010-01-28 Pumping device
EP10152003.9A Division-Into EP2224132B1 (en) 2009-01-28 2010-01-28 Pumping device

Publications (3)

Publication Number Publication Date
EP2405138A2 EP2405138A2 (en) 2012-01-11
EP2405138A3 true EP2405138A3 (en) 2012-10-03
EP2405138B1 EP2405138B1 (en) 2015-03-11

Family

ID=42282846

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10152003.9A Active EP2224132B1 (en) 2009-01-28 2010-01-28 Pumping device
EP11183329.9A Not-in-force EP2405138B1 (en) 2009-01-28 2010-01-28 Pumping device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10152003.9A Active EP2224132B1 (en) 2009-01-28 2010-01-28 Pumping device

Country Status (1)

Country Link
EP (2) EP2224132B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US519225A (en) * 1894-05-01 Washinqton
GB190421436A (en) * 1904-10-06 1905-08-17 William Henry Northcott Improved Machinery for Compressing Gases and in connection therewith.
GB190823886A (en) * 1908-11-07 1909-03-11 Defries & Sons Ltd J Improvements in and relating to Compressors for Air and other Fluids.
GB191311996A (en) * 1913-05-22 1914-05-22 British Thomson Houston Co Ltd Improvements in and relating to Air and the like Compressors.
US1185412A (en) * 1913-07-29 1916-05-30 Gen Electric Compressor.
US5520169A (en) * 1994-04-02 1996-05-28 Dragerwerk Aktiengesellschaft Anesthesia arrangement for recovering gaseous anesthetic agents

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427616A (en) * 1944-10-05 1947-09-16 William F Mohler Fluid pressure system
US3405522A (en) * 1964-11-25 1968-10-15 Toyoda Machine Works Ltd Hydraulic motor control circuit
US4588424A (en) * 1984-10-16 1986-05-13 Heath Rodney T Fluid pumping system
BR8507298A (en) * 1985-10-10 1987-11-03 Anton Braun SEAL TYPE SEAL
US4955195A (en) * 1988-12-20 1990-09-11 Stewart & Stevenson Services, Inc. Fluid control circuit and method of operating pressure responsive equipment
GB0300018D0 (en) * 2003-01-02 2003-02-05 Uws Ventures Ltd Gas control

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US519225A (en) * 1894-05-01 Washinqton
GB190421436A (en) * 1904-10-06 1905-08-17 William Henry Northcott Improved Machinery for Compressing Gases and in connection therewith.
GB190823886A (en) * 1908-11-07 1909-03-11 Defries & Sons Ltd J Improvements in and relating to Compressors for Air and other Fluids.
GB191311996A (en) * 1913-05-22 1914-05-22 British Thomson Houston Co Ltd Improvements in and relating to Air and the like Compressors.
US1185412A (en) * 1913-07-29 1916-05-30 Gen Electric Compressor.
US5520169A (en) * 1994-04-02 1996-05-28 Dragerwerk Aktiengesellschaft Anesthesia arrangement for recovering gaseous anesthetic agents

Also Published As

Publication number Publication date
EP2405138B1 (en) 2015-03-11
EP2405138A2 (en) 2012-01-11
EP2224132A2 (en) 2010-09-01
EP2224132B1 (en) 2020-01-08
EP2224132A3 (en) 2011-03-23

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