DE3885193T2 - Verdrängerpumpe mit geringer Druckschwankung. - Google Patents

Verdrängerpumpe mit geringer Druckschwankung.

Info

Publication number
DE3885193T2
DE3885193T2 DE88112893T DE3885193T DE3885193T2 DE 3885193 T2 DE3885193 T2 DE 3885193T2 DE 88112893 T DE88112893 T DE 88112893T DE 3885193 T DE3885193 T DE 3885193T DE 3885193 T2 DE3885193 T2 DE 3885193T2
Authority
DE
Germany
Prior art keywords
displacement pump
positive displacement
pressure fluctuation
little pressure
little
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.)
Expired - Fee Related
Application number
DE88112893T
Other languages
English (en)
Other versions
DE3885193D1 (de
Inventor
Kiwao Seki
Tsuyoshi Nishitarumizu
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3885193D1 publication Critical patent/DE3885193D1/de
Publication of DE3885193T2 publication Critical patent/DE3885193T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F04B11/0075—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series
    • F04B11/0083—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series the pistons having different cross-sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
DE88112893T 1987-08-11 1988-08-08 Verdrängerpumpe mit geringer Druckschwankung. Expired - Fee Related DE3885193T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62200488A JP2824575B2 (ja) 1987-08-11 1987-08-11 低脈流送液ポンプ

Publications (2)

Publication Number Publication Date
DE3885193D1 DE3885193D1 (de) 1993-12-02
DE3885193T2 true DE3885193T2 (de) 1994-04-21

Family

ID=16425150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88112893T Expired - Fee Related DE3885193T2 (de) 1987-08-11 1988-08-08 Verdrängerpumpe mit geringer Druckschwankung.

Country Status (4)

Country Link
US (1) US4913624A (de)
EP (1) EP0303220B1 (de)
JP (1) JP2824575B2 (de)
DE (1) DE3885193T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015011936A1 (de) * 2015-09-12 2017-03-16 Thomas Magnete Gmbh Vorrichtung aus mindestens zwei Hubkolbenpumpen bestehend und Verfahren zum Betrieb der Vorrichtung

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US5690828A (en) * 1990-07-13 1997-11-25 Isco, Inc. Apparatus and method for supercritical fluid extraction
US5635070A (en) * 1990-07-13 1997-06-03 Isco, Inc. Apparatus and method for supercritical fluid extraction
US5601707A (en) * 1990-07-13 1997-02-11 Isco, Inc. Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
US5653885A (en) * 1990-07-13 1997-08-05 Isco, Inc. Apparatus and method for supercritical fluid extraction
US5932095A (en) * 1990-07-13 1999-08-03 Isco, Inc. Multi-chambered supercritical fluid extraction cartridge
US5250195A (en) 1990-07-13 1993-10-05 Isco, Inc. Apparatus and method for supercritical fluid extraction
DE4130295C2 (de) * 1991-09-12 1995-07-13 Ludwig Bluecher Fördereinrichtung
US5360320A (en) * 1992-02-27 1994-11-01 Isco, Inc. Multiple solvent delivery system
US5253981A (en) * 1992-03-05 1993-10-19 Frank Ji-Ann Fu Yang Multichannel pump apparatus with microflow rate capability
US5480288A (en) * 1993-03-25 1996-01-02 Fluid Management Limited Partnership Pump module for dispensing apparatus
FR2726332B1 (fr) * 1994-10-26 1997-01-24 Francois Couillard Systeme de pompage a pistons delivrant des fluides avec un debit sensiblement constant
US5846056A (en) * 1995-04-07 1998-12-08 Dhindsa; Jasbir S. Reciprocating pump system and method for operating same
WO1997026457A1 (de) * 1996-01-18 1997-07-24 SEZ Semiconductor-Equipment Zubehör für die Halbleiterfertigung AG Verfahren und vorrichtung zum dosieren von fluiden
US6109878A (en) * 1998-04-13 2000-08-29 Micropump, Inc. System and a method for velocity modulation for pulseless operation of a pump
US8172546B2 (en) * 1998-11-23 2012-05-08 Entegris, Inc. System and method for correcting for pressure variations using a motor
US6227807B1 (en) * 1999-02-02 2001-05-08 Eric Chase Constant flow fluid pump
EP1236893A1 (de) * 2001-02-28 2002-09-04 FMSW sprl Dosiervorrichtung mit kontinuierlichem Flüssigkeitsstrom
US6494685B2 (en) * 2001-03-29 2002-12-17 Kadant, Inc. Pump and motor assembly with constant pressure output
US6997683B2 (en) * 2003-01-10 2006-02-14 Teledyne Isco, Inc. High pressure reciprocating pump and control of the same
US20050254972A1 (en) * 2004-05-14 2005-11-17 Baker Rodney W Bench top pump
US8535016B2 (en) * 2004-07-13 2013-09-17 Waters Technologies Corporation High pressure pump control
CN101155992B (zh) 2004-11-23 2013-02-20 恩特格里公司 用于可变原位置分配系统的系统和方法
US8241013B2 (en) * 2005-10-27 2012-08-14 Waters Technologies Corporation Serial capillary pump
US8753097B2 (en) * 2005-11-21 2014-06-17 Entegris, Inc. Method and system for high viscosity pump
WO2007061956A2 (en) 2005-11-21 2007-05-31 Entegris, Inc. System and method for a pump with reduced form factor
US7850431B2 (en) * 2005-12-02 2010-12-14 Entegris, Inc. System and method for control of fluid pressure
KR101364385B1 (ko) * 2005-12-02 2014-02-17 엔테그리스, 아이엔씨. 펌프 제어기를 인터페이스시키는 ｉ/ｏ 시스템, 방법 및디바이스
CN101356372B (zh) 2005-12-02 2012-07-04 恩特格里公司 用于在泵中进行压力补偿的系统和方法
US7878765B2 (en) 2005-12-02 2011-02-01 Entegris, Inc. System and method for monitoring operation of a pump
WO2007067342A2 (en) * 2005-12-02 2007-06-14 Entegris, Inc. System and method for valve sequencing in a pump
US8083498B2 (en) 2005-12-02 2011-12-27 Entegris, Inc. System and method for position control of a mechanical piston in a pump
US7897196B2 (en) * 2005-12-05 2011-03-01 Entegris, Inc. Error volume system and method for a pump
TWI402423B (zh) * 2006-02-28 2013-07-21 Entegris Inc 用於一幫浦操作之系統及方法
US7494265B2 (en) * 2006-03-01 2009-02-24 Entegris, Inc. System and method for controlled mixing of fluids via temperature
US7684446B2 (en) * 2006-03-01 2010-03-23 Entegris, Inc. System and method for multiplexing setpoints
JP4924235B2 (ja) * 2006-08-01 2012-04-25 セイコーエプソン株式会社 流体輸送システム、流体輸送装置
WO2008039787A2 (en) * 2006-09-26 2008-04-03 Graco Minnesota Inc. Electronic camshaft motor control for piston pump
EP1785623B1 (de) * 2006-10-25 2009-05-06 Agilent Technologies, Inc. Pumpvorrichtung mit veränderlicher Phasendifferenz zwischen den Pumpkolben
JP2009013957A (ja) * 2007-07-09 2009-01-22 Hitachi High-Technologies Corp 送液装置とその制御方法
US20090092511A1 (en) * 2007-10-05 2009-04-09 Fangfang Jiang Heart-shaped cam constant flow pump
US10107273B2 (en) * 2008-08-07 2018-10-23 Agilent Technologies, Inc. Synchronization of supply flow paths
DE102009020414A1 (de) * 2009-05-08 2010-11-11 Lewa Gmbh Vergleichmäßigung des Förderstroms bei oszillierenden Verdrängerpumpen
GB2481624A (en) * 2010-07-01 2012-01-04 Agilent Technologies Inc Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive
CN106975117A (zh) 2011-09-21 2017-07-25 拜耳医药保健有限责任公司 连续的多流体泵装置、驱动和致动系统以及方法
CN102913427A (zh) * 2012-10-17 2013-02-06 常州苏控自动化设备有限公司 变频控制的液压泵
CN107427411B (zh) 2015-01-09 2021-04-02 拜耳医药保健有限公司 具有多次使用可丢弃套件的多流体递送系统及其特征
JP6892982B2 (ja) * 2017-02-03 2021-06-23 応研精工株式会社 ダイヤフラムポンプ
TWI644819B (zh) * 2017-11-08 2018-12-21 光陽工業股份有限公司 Hydraulic drive unit for vehicles
CN109578258B (zh) * 2018-10-12 2020-10-30 迈克医疗电子有限公司 液相控制方法和装置、高压恒流泵、存储介质
WO2020112043A1 (en) * 2018-11-28 2020-06-04 Yilmaz Ilknur Power generator with variable number of cylinders with adjustable rotation power and rate
CN110090570A (zh) * 2019-06-12 2019-08-06 深圳市亚辉龙生物科技股份有限公司 配液泵和配液装置
CN112324648B (zh) * 2020-11-02 2022-08-23 山东悟空仪器有限公司 串联式柱塞泵压力平衡点的控制方法及串联式柱塞泵

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US4137011A (en) * 1977-06-14 1979-01-30 Spectra-Physics, Inc. Flow control system for liquid chromatographs
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JPS5770976A (en) * 1980-10-18 1982-05-01 Nikkiso Co Ltd Non-pulsation metering pump
US4772388A (en) * 1981-09-09 1988-09-20 Isco, Inc. Apparatus for liquid chromatography
DE3203722C2 (de) * 1982-02-04 1985-08-01 Gynkotek Gesellschaft für den Bau wissenschaftlich-technischer Geräte mbH, 8000 München Schubkolbenpumpe zur pulsationsarmen Förderung einer Flüssigkeit
CA1186166A (en) * 1982-02-27 1985-04-30 Katsuhiko Saito Liquid chromatograph
US4507055A (en) * 1983-07-18 1985-03-26 Gulf Oil Corporation System for automatically controlling intermittent pumping of a well
JPH0754114B2 (ja) * 1985-02-01 1995-06-07 日本電子株式会社 送液ポンプの制御方法
US4681513A (en) * 1985-02-01 1987-07-21 Jeol Ltd. Two-stage pump assembly
JPH0718845B2 (ja) * 1986-12-29 1995-03-06 横河電機株式会社 送液装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015011936A1 (de) * 2015-09-12 2017-03-16 Thomas Magnete Gmbh Vorrichtung aus mindestens zwei Hubkolbenpumpen bestehend und Verfahren zum Betrieb der Vorrichtung

Also Published As

Publication number Publication date
EP0303220A3 (en) 1990-09-05
DE3885193D1 (de) 1993-12-02
JP2824575B2 (ja) 1998-11-11
EP0303220A2 (de) 1989-02-15
EP0303220B1 (de) 1993-10-27
US4913624A (en) 1990-04-03
JPS6445982A (en) 1989-02-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee