AU7577198A - Thermal expansion pump for pulse-free liquid flow - Google Patents

Thermal expansion pump for pulse-free liquid flow

Info

Publication number
AU7577198A
AU7577198A AU75771/98A AU7577198A AU7577198A AU 7577198 A AU7577198 A AU 7577198A AU 75771/98 A AU75771/98 A AU 75771/98A AU 7577198 A AU7577198 A AU 7577198A AU 7577198 A AU7577198 A AU 7577198A
Authority
AU
Australia
Prior art keywords
pulse
thermal expansion
liquid flow
free liquid
expansion pump
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.)
Abandoned
Application number
AU75771/98A
Inventor
Christer Ericson
Stellan Hjerten
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.)
Bio Rad Laboratories Inc
Original Assignee
Bio Rad Laboratories Inc
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 Bio Rad Laboratories Inc filed Critical Bio Rad Laboratories Inc
Publication of AU7577198A publication Critical patent/AU7577198A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • 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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/24—Pumping by heat expansion of pumped fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/02—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating
    • F04F1/04—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating generated by vaporising and condensing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/326—Control of physical parameters of the fluid carrier of pressure or speed pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
AU75771/98A 1997-05-15 1998-05-14 Thermal expansion pump for pulse-free liquid flow Abandoned AU7577198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85702497A 1997-05-15 1997-05-15
US08857024 1997-05-15
PCT/US1998/010119 WO1998052034A1 (en) 1997-05-15 1998-05-14 Thermal expansion pump for pulse-free liquid flow

Publications (1)

Publication Number Publication Date
AU7577198A true AU7577198A (en) 1998-12-08

Family

ID=25325004

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75771/98A Abandoned AU7577198A (en) 1997-05-15 1998-05-14 Thermal expansion pump for pulse-free liquid flow

Country Status (2)

Country Link
AU (1) AU7577198A (en)
WO (1) WO1998052034A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102636599B (en) * 2012-05-02 2014-03-05 复旦大学 Thermal expansion high-pressure gradient continuous micro flow pump system for high performance liquid chromatography

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221668A (en) * 1978-05-05 1980-09-09 Shmidel Evgeny B Method, apparatus and system for producing eluent flow in liquid chromatography
US5249929A (en) * 1989-08-11 1993-10-05 The Dow Chemical Company Liquid chromatographic pump
US5872010A (en) * 1995-07-21 1999-02-16 Northeastern University Microscale fluid handling system

Also Published As

Publication number Publication date
WO1998052034A1 (en) 1998-11-19

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase