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ATE174406T1 - Rückschlagventillose fluidpumpe - Google Patents

Rückschlagventillose fluidpumpe

Info

Publication number
ATE174406T1
ATE174406T1 AT96930157T AT96930157T ATE174406T1 AT E174406 T1 ATE174406 T1 AT E174406T1 AT 96930157 T AT96930157 T AT 96930157T AT 96930157 T AT96930157 T AT 96930157T AT E174406 T1 ATE174406 T1 AT E174406T1
Authority
AT
Austria
Prior art keywords
displacer
opening
pump
end position
pump chamber
Prior art date
Application number
AT96930157T
Other languages
English (en)
Inventor
Manfred Stehr
Original Assignee
Hahn Schickard Ges
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
Priority claimed from DE19534378A external-priority patent/DE19534378C1/de
Priority claimed from DE19624271A external-priority patent/DE19624271C1/de
Application filed by Hahn Schickard Ges filed Critical Hahn Schickard Ges
Application granted granted Critical
Publication of ATE174406T1 publication Critical patent/ATE174406T1/de

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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/006—Micropumps
    • 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
    • F04B43/0009—Special features
    • F04B43/0027—Special features without valves
    • 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
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F04B43/043—Micropumps
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Check Valves (AREA)
  • Medicines Containing Plant Substances (AREA)
AT96930157T 1995-09-15 1996-09-03 Rückschlagventillose fluidpumpe ATE174406T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19534378A DE19534378C1 (de) 1995-09-15 1995-09-15 Fluidpumpe
DE19624271A DE19624271C1 (de) 1996-06-18 1996-06-18 Rückschlagventillose Fluidpumpe

Publications (1)

Publication Number Publication Date
ATE174406T1 true ATE174406T1 (de) 1998-12-15

Family

ID=26018662

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96930157T ATE174406T1 (de) 1995-09-15 1996-09-03 Rückschlagventillose fluidpumpe

Country Status (6)

Country Link
US (1) US6227824B1 (de)
EP (1) EP0826109B1 (de)
JP (1) JP3035854B2 (de)
AT (1) ATE174406T1 (de)
DE (1) DE59600973D1 (de)
WO (1) WO1997010435A2 (de)

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US6767194B2 (en) * 2001-01-08 2004-07-27 President And Fellows Of Harvard College Valves and pumps for microfluidic systems and method for making microfluidic systems
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DE10202996A1 (de) * 2002-01-26 2003-08-14 Eppendorf Ag Piezoelektrisch steuerbare Mikrofluidaktorik
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DE10224750A1 (de) 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Vorrichtung zur Behandlung einer medizinischen Flüssigkeit
WO2004081390A1 (de) * 2003-03-11 2004-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Normal doppelt geschlossenes mikroventil
WO2005070816A1 (en) * 2004-01-21 2005-08-04 Imi Vision Limited Beverage dispenser
ATE395514T1 (de) * 2004-01-21 2008-05-15 Imi Vision Ltd Fluiddosierung mit pumpeneinheit mit wegwerfmembran
US7312554B2 (en) 2004-04-02 2007-12-25 Adaptivenergy, Llc Piezoelectric devices and methods and circuits for driving same
US7290993B2 (en) * 2004-04-02 2007-11-06 Adaptivenergy Llc Piezoelectric devices and methods and circuits for driving same
US20050225201A1 (en) * 2004-04-02 2005-10-13 Par Technologies, Llc Piezoelectric devices and methods and circuits for driving same
US7287965B2 (en) * 2004-04-02 2007-10-30 Adaptiv Energy Llc Piezoelectric devices and methods and circuits for driving same
US7458222B2 (en) * 2004-07-12 2008-12-02 Purity Solutions Llc Heat exchanger apparatus for a recirculation loop and related methods and systems
CA2572293A1 (en) * 2004-07-23 2006-02-02 Afa Controls, Llc Microvalve assemblies and related methods
GB0419050D0 (en) * 2004-08-26 2004-09-29 Munster Simms Eng Ltd A diaphragm and a diaphragm pump
US7258533B2 (en) * 2004-12-30 2007-08-21 Adaptivenergy, Llc Method and apparatus for scavenging energy during pump operation
US20060147329A1 (en) * 2004-12-30 2006-07-06 Tanner Edward T Active valve and active valving for pump
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US20060232166A1 (en) * 2005-04-13 2006-10-19 Par Technologies Llc Stacked piezoelectric diaphragm members
US7717682B2 (en) * 2005-07-13 2010-05-18 Purity Solutions Llc Double diaphragm pump and related methods
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
US20070075286A1 (en) * 2005-10-04 2007-04-05 Par Technologies, Llc Piezoelectric valves drive
US20070129681A1 (en) * 2005-11-01 2007-06-07 Par Technologies, Llc Piezoelectric actuation of piston within dispensing chamber
US7345407B2 (en) * 2005-11-18 2008-03-18 Adaptivenergy, Llc. Human powered piezoelectric power generating device
US20070122299A1 (en) * 2005-11-29 2007-05-31 Chih-Yung Wen Valveless micro impedance pump
JP4638820B2 (ja) * 2006-01-05 2011-02-23 財団法人神奈川科学技術アカデミー マイクロポンプ及びその製造方法
DE102006002924B3 (de) * 2006-01-20 2007-09-13 Albert-Ludwigs-Universität Freiburg Fluidhandhabungsvorrichtung und Verfahren zum Handhaben eines Fluids
US7550810B2 (en) * 2006-02-23 2009-06-23 Qualcomm Mems Technologies, Inc. MEMS device having a layer movable at asymmetric rates
CN101490419B (zh) * 2006-12-09 2011-02-02 株式会社村田制作所 压电泵
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JP4873075B2 (ja) * 2007-03-12 2012-02-08 株式会社村田製作所 流体移送装置
US8016260B2 (en) * 2007-07-19 2011-09-13 Formulatrix, Inc. Metering assembly and method of dispensing fluid
US8038640B2 (en) * 2007-11-26 2011-10-18 Purity Solutions Llc Diaphragm pump and related systems and methods
EP2286125B1 (de) 2008-05-16 2015-07-08 President and Fellows of Harvard College Ventile und andere durchflussregulierende vorrichtungen im fuidsystemen insbesonder microfluidsystemen
DK2138233T3 (da) * 2008-06-02 2011-01-31 Boehringer Ingelheim Micropart Mikrofluid foliestruktur til dosering af væsker
US8100293B2 (en) * 2009-01-23 2012-01-24 Formulatrix, Inc. Microfluidic dispensing assembly
US20100211002A1 (en) * 2009-02-18 2010-08-19 Davis David L Electromagnetic infusion pump with integral flow monitor
US8197235B2 (en) * 2009-02-18 2012-06-12 Davis David L Infusion pump with integrated permanent magnet
US8353864B2 (en) * 2009-02-18 2013-01-15 Davis David L Low cost disposable infusion pump
US8192401B2 (en) 2009-03-20 2012-06-05 Fresenius Medical Care Holdings, Inc. Medical fluid pump systems and related components and methods
US20100282766A1 (en) * 2009-05-06 2010-11-11 Heiko Arndt Low-Dead Volume Microfluidic Component and Method
US8230744B2 (en) 2009-05-06 2012-07-31 Cequr Sa Low-dead volume microfluidic circuit and methods
WO2010137578A1 (ja) * 2009-05-25 2010-12-02 株式会社村田製作所 バルブ、流体装置及び流体供給装置
EP2453946B1 (de) 2009-07-15 2013-02-13 Fresenius Medical Care Holdings, Inc. Medizinische Flüssigkeitskassetten sowie entsprechende Systeme
WO2011146069A1 (en) 2010-05-21 2011-11-24 Hewlett-Packard Development Company, L.P. Fluid ejection device including recirculation system
US9963739B2 (en) 2010-05-21 2018-05-08 Hewlett-Packard Development Company, L.P. Polymerase chain reaction systems
US10132303B2 (en) * 2010-05-21 2018-11-20 Hewlett-Packard Development Company, L.P. Generating fluid flow in a fluidic network
GB201101870D0 (en) * 2011-02-03 2011-03-23 The Technology Partnership Plc Pump
US9624915B2 (en) 2011-03-09 2017-04-18 Fresenius Medical Care Holdings, Inc. Medical fluid delivery sets and related systems and methods
EP2699280B1 (de) 2011-04-21 2015-12-09 Fresenius Medical Care Holdings, Inc. Medizinische flüssigkeitspumpsysteme sowie zugehörige vorrichtungen und verfahren
JP5682513B2 (ja) * 2011-09-06 2015-03-11 株式会社村田製作所 流体制御装置
JP5907256B2 (ja) 2012-04-19 2016-04-26 株式会社村田製作所 バルブ、流体制御装置
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9500188B2 (en) 2012-06-11 2016-11-22 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
JP6172711B2 (ja) * 2012-07-05 2017-08-02 国立研究開発法人理化学研究所 マイクロチップ用の流体制御デバイスおよびその利用
US9561323B2 (en) 2013-03-14 2017-02-07 Fresenius Medical Care Holdings, Inc. Medical fluid cassette leak detection methods and devices
US10117985B2 (en) 2013-08-21 2018-11-06 Fresenius Medical Care Holdings, Inc. Determining a volume of medical fluid pumped into or out of a medical fluid cassette
EP3109472B1 (de) * 2014-02-21 2019-10-30 Murata Manufacturing Co., Ltd. Flüssigkeitssteuerungsvorrichtung und pumpe
WO2016013390A1 (ja) * 2014-07-25 2016-01-28 株式会社村田製作所 流体制御装置
DE102016217435B4 (de) * 2016-09-13 2018-08-02 Albert-Ludwigs-Universität Freiburg Fluidpumpe und Verfahren zum Betreiben einer Fluidpumpe
IT201900005804A1 (it) * 2019-04-15 2020-10-15 St Microelectronics Srl Valvola microfluidica a membrana ad attuazione piezoelettrica e relativo procedimento di fabbricazione
CN116428162B (zh) * 2023-04-14 2024-07-26 汉得利（常州）电子股份有限公司 一种高频驱动机构及无阀压电泵

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Also Published As

Publication number Publication date
JPH10511165A (ja) 1998-10-27
DE59600973D1 (en) 1999-01-21
JP3035854B2 (ja) 2000-04-24
WO1997010435A2 (de) 1997-03-20
WO1997010435A3 (de) 1997-05-09
US6227824B1 (en) 2001-05-08
EP0826109B1 (de) 1998-12-09
EP0826109A2 (de) 1998-03-04

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Legal Events

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