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GB201011054D0 - Piezo-controlled and/or pressure ripple compensating fluid separation pump - Google Patents

Piezo-controlled and/or pressure ripple compensating fluid separation pump

Info

Publication number
GB201011054D0
GB201011054D0 GBGB1011054.2A GB201011054A GB201011054D0 GB 201011054 D0 GB201011054 D0 GB 201011054D0 GB 201011054 A GB201011054 A GB 201011054A GB 201011054 D0 GB201011054 D0 GB 201011054D0
Authority
GB
United Kingdom
Prior art keywords
piezo
controlled
fluid separation
pressure ripple
separation 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.)
Withdrawn
Application number
GBGB1011054.2A
Other versions
GB2481624A (en
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies 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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Priority to GB1011054.2A priority Critical patent/GB2481624A/en
Publication of GB201011054D0 publication Critical patent/GB201011054D0/en
Priority to US13/175,139 priority patent/US20120003104A1/en
Publication of GB2481624A publication Critical patent/GB2481624A/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Withdrawn legal-status Critical Current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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0041—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation by piston speed control
    • 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
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/003—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by piezoelectric means
    • 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
    • F04B49/06—Control using electricity
    • 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
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • 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
    • G01N30/36—Control of physical parameters of the fluid carrier in high pressure liquid systems
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/03—Pressure in the compression chamber
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/13—Pressure pulsations after the pump
    • 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
    • G01N2030/322—Control of physical parameters of the fluid carrier of pressure or speed pulse dampers
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Reciprocating Pumps (AREA)
GB1011054.2A 2010-07-01 2010-07-01 Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive Withdrawn GB2481624A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1011054.2A GB2481624A (en) 2010-07-01 2010-07-01 Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive
US13/175,139 US20120003104A1 (en) 2010-07-01 2011-07-01 Piezo-controlled and-or pressure ripple compensating fluid separation pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1011054.2A GB2481624A (en) 2010-07-01 2010-07-01 Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive

Publications (2)

Publication Number Publication Date
GB201011054D0 true GB201011054D0 (en) 2010-08-18
GB2481624A GB2481624A (en) 2012-01-04

Family

ID=42669007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1011054.2A Withdrawn GB2481624A (en) 2010-07-01 2010-07-01 Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive

Country Status (2)

Country Link
US (1) US20120003104A1 (en)
GB (1) GB2481624A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013112287B4 (en) * 2013-11-08 2019-07-11 Dionex Softron Gmbh sampler
GB2523570A (en) * 2014-02-27 2015-09-02 Agilent Technologies Inc Rigid piston-actuator-assembly supported for performing a pendulum-type tolerance compensation motion
CN107449479B (en) * 2017-07-26 2020-10-02 南通通力油泵有限公司 Non-contact pneumatic metering plunger pump
US10767412B2 (en) 2018-01-08 2020-09-08 Magna Closures Inc. Electromechanical strut with power actuator having supplemental friction control
US20190211604A1 (en) 2018-01-08 2019-07-11 Magna Closures Inc. Electromechanical strut with planetary gearset having an integrated flex coupling
GB201815746D0 (en) * 2018-09-27 2018-11-14 Imperial Innovations Ltd High-pressure valve
WO2020112043A1 (en) * 2018-11-28 2020-06-04 Yilmaz Ilknur Power generator with variable number of cylinders with adjustable rotation power and rate
CN111927554B (en) * 2020-08-07 2022-03-15 中铁隧道局集团有限公司 Height-adjustable pressure detection device for accurately testing contact pressure of tunnel surrounding rock and installation detection method
US20230213030A1 (en) * 2021-12-30 2023-07-06 Acist Medical Systems, Inc. Dual-piston fluid pump
MA60000B1 (en) * 2023-04-06 2025-01-31 Mascir (Moroccan Foundation For Advanced Science, Innovation & Research) Universal fast charging station for electric scooter batteries

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770975A (en) * 1980-10-18 1982-05-01 Nikkiso Co Ltd Non-pulsation metering pump
US4681513A (en) * 1985-02-01 1987-07-21 Jeol Ltd. Two-stage pump assembly
GB2195473B (en) * 1986-09-17 1990-08-15 Philips Electronic Associated Liquid chromatograph
JP2824575B2 (en) * 1987-08-11 1998-11-11 株式会社日立製作所 Low pulsating flow pump
JPH0693974A (en) * 1992-09-11 1994-04-05 Hitachi Ltd Trace flow rate pump
SE9600748D0 (en) * 1996-02-27 1996-02-27 Pharmacia Biotech Ab Pump
US5971714A (en) * 1996-05-29 1999-10-26 Graco Inc Electronic CAM compensation of pressure change of servo controlled pumps
JP4276827B2 (en) * 2002-10-18 2009-06-10 株式会社日立ハイテクノロジーズ Liquid chromatograph pump and operation method thereof
JP4377639B2 (en) * 2003-09-18 2009-12-02 株式会社日立ハイテクノロジーズ Pumps and liquid pumps for chromatography
JP4377761B2 (en) * 2004-07-01 2009-12-02 株式会社日立ハイテクノロジーズ Liquid chromatograph
EP2107241A3 (en) * 2008-04-02 2010-06-09 Flux Instruments AG A Piston Pump Having a Force Sensor and a Method for Controlling Said Pump

Also Published As

Publication number Publication date
US20120003104A1 (en) 2012-01-05
GB2481624A (en) 2012-01-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)