ZW20384A1 - Constant-flow-rate dual-unit pump - Google Patents

Constant-flow-rate dual-unit pump

Info

Publication number
ZW20384A1
ZW20384A1 ZW203/84A ZW20384A ZW20384A1 ZW 20384 A1 ZW20384 A1 ZW 20384A1 ZW 203/84 A ZW203/84 A ZW 203/84A ZW 20384 A ZW20384 A ZW 20384A ZW 20384 A1 ZW20384 A1 ZW 20384A1
Authority
ZW
Zimbabwe
Prior art keywords
constant
flow
unit pump
rate dual
dual
Prior art date
Application number
ZW203/84A
Other languages
English (en)
Inventor
John Simmons Walter
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZW20384A1 publication Critical patent/ZW20384A1/xx

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
    • F04B9/117—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 the pumping members not being mechanically connected to each other
    • F04B9/1176—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 the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/90—Slurry pumps, e.g. concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
ZW203/84A 1983-11-09 1984-12-13 Constant-flow-rate dual-unit pump ZW20384A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/550,186 US4543044A (en) 1983-11-09 1983-11-09 Constant-flow-rate dual-unit pump

Publications (1)

Publication Number Publication Date
ZW20384A1 true ZW20384A1 (en) 1985-03-06

Family

ID=24196105

Family Applications (1)

Application Number Title Priority Date Filing Date
ZW203/84A ZW20384A1 (en) 1983-11-09 1984-12-13 Constant-flow-rate dual-unit pump

Country Status (9)

Country Link
US (1) US4543044A (xx)
JP (1) JPS60116882A (xx)
AU (1) AU565779B2 (xx)
CA (1) CA1224082A (xx)
DE (1) DE3441054A1 (xx)
FR (1) FR2554515B1 (xx)
IN (1) IN161834B (xx)
ZA (1) ZA848740B (xx)
ZW (1) ZW20384A1 (xx)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388965A (en) * 1990-10-10 1995-02-14 Friedrich Wilhelm Schwing Gmbh Sludge pump with monitoring system
US5257912A (en) * 1990-10-10 1993-11-02 Schwing America, Inc. Sludge flow measuring system
US5106272A (en) * 1990-10-10 1992-04-21 Schwing America, Inc. Sludge flow measuring system
JPS62122177U (xx) * 1986-01-23 1987-08-03
DE3609744A1 (de) * 1986-03-22 1987-10-01 Bruker Gmbh Meerestechnik Einrichtung zum wechselweisen ueberfuehren eines druckmediums zwischen reservoiren unterschiedlichen druckniveaus
US5213478A (en) * 1989-09-18 1993-05-25 Takeshi Hoya Slurry pumping method and apparatus
US5141408A (en) * 1990-11-09 1992-08-25 Prc Product pumping apparatus
US5224841A (en) * 1992-04-24 1993-07-06 Semitool, Inc. Pneumatic bellows pump with supported bellows tube
US5332366A (en) * 1993-01-22 1994-07-26 Schwing America, Inc. Concrete pump monitoring system
US5330327A (en) * 1993-04-27 1994-07-19 Schwing America, Inc. Transfer tube material flow management
US6079959A (en) * 1996-07-15 2000-06-27 Saint-Gobain Performance Plastics Corporation Reciprocating pump
NO306274B1 (no) * 1996-09-06 1999-10-11 Dyno Nobel FremgangsmÕte for pumping, lading og patronering av en slurry
IT1297087B1 (it) * 1997-11-28 1999-08-03 Enea Ente Nuove Tec Dispositivo per il pompaggio di liquidi o aeriformi, con moto alternativo a doppio effetto ottenuto per via idraulica.
DE19802368C1 (de) * 1998-01-22 1999-08-05 Hahn Schickard Ges Mikrodosiervorrichtung
US6241487B1 (en) 1998-11-10 2001-06-05 Warren Rupp, Inc. Fluid powered diaphragm pump
FI106705B (fi) * 1999-04-09 2001-03-30 Esa Kuismanen Menetelmä ja järjestely aineen pumppaamiseksi
US6371740B1 (en) 1999-05-11 2002-04-16 Jansen's Aircraft Systems Controls, Inc. Jet engine fuel delivery system with non-pulsating diaphragm fuel metering pump
US6568925B2 (en) 2001-03-28 2003-05-27 Eric Gunderson Abrasive liquid pump apparatus and method
NO20013173L (no) * 2001-06-22 2002-12-23 Pevatec As Höytrykkspumpe
US20030236489A1 (en) 2002-06-21 2003-12-25 Baxter International, Inc. Method and apparatus for closed-loop flow control system
KR100955331B1 (ko) 2002-07-29 2010-04-29 다브텍 피티와이 리미티드 유체작동 펌프 및 이 펌프를 구비하는 펌핑시스템
AU2002950421A0 (en) * 2002-07-29 2002-09-12 Combined Resource Engineering Pty Ltd Fluid operating pump
JP4030058B2 (ja) * 2003-05-21 2008-01-09 本田技研工業株式会社 車両用空調装置
JP2005001523A (ja) * 2003-06-12 2005-01-06 Honda Motor Co Ltd 車両用空調装置
DE10343802B4 (de) * 2003-09-22 2007-12-06 Schwing Gmbh Kolben-Dickstoffpumpe mit kontinuierlichem Förderstrom
DE10348832A1 (de) * 2003-09-30 2006-05-18 Erbe Elektromedizin Gmbh Fördereinrichtung für sterile Medien
US20050234394A1 (en) 2004-03-26 2005-10-20 Rod Ross Dual cylinder vacuum pump for medical aspiration system
DE102004021035B3 (de) * 2004-04-07 2005-11-17 Erbe Elektromedizin Gmbh Gerät für die Wasserstrahlchirurgie
DE102004020865B3 (de) * 2004-04-28 2006-02-09 Siemens Ag Ventilanordnung
US7335003B2 (en) * 2004-07-09 2008-02-26 Saint-Gobain Performance Plastics Corporation Precision dispense pump
US20060193738A1 (en) * 2005-02-26 2006-08-31 Friedrich Schwing Pump apparatus and method for continuously conveying a viscous material
DE102005024174A1 (de) * 2005-05-23 2006-12-07 Schwing, Friedrich, Dipl.-Ing. Verfahren zum Steuern einer Pumpvorrichtung zur Förderung breiiger Massen sowie Steuerung einer Pumpvorrichtung zur Förderung breiiger Massen
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
JP4694377B2 (ja) * 2006-01-27 2011-06-08 シーケーディ株式会社 薬液供給システム
DE502007003483D1 (de) * 2006-04-03 2010-06-02 Hofmann Gmbh Maschinenfabrik U Verfahren zum Betreiben einer oszillierenden Verdrängerpumpe und oszillierende Verdrängerpumpe
DE102006015845B3 (de) * 2006-04-03 2007-07-05 Hofmann Gmbh Maschinenfabrik Und Vertrieb Verfahren zum Betreiben einer oszillierenden Verdrängerpumpe und oszillierende Verdrängerpumpe
US7455573B2 (en) * 2006-09-06 2008-11-25 Lightmachinery Inc. Fluid jet polishing with constant pressure pump
US8727740B2 (en) * 2007-01-05 2014-05-20 Schlumberger Technology Corporation Cylinder assembly for providing uniform flow output
US20080260551A1 (en) * 2007-01-26 2008-10-23 Walter Neal Simmons Rolling diaphragm pump
GB0707220D0 (en) * 2007-04-14 2007-05-23 Stratabolt Pty Ltd Improved pump
US8047815B2 (en) * 2007-07-13 2011-11-01 Integrated Designs L.P. Precision pump with multiple heads
US8317493B2 (en) * 2007-07-13 2012-11-27 Integrated Designs L.P. Precision pump having multiple heads and using an actuation fluid to pump one or more different process fluids
US20090220358A1 (en) * 2008-02-29 2009-09-03 Putzmeister America, Inc. Unequal length alternating hydraulic cylinder drive system for continuous material output flow with equal material output pressure
US8297237B2 (en) * 2009-04-06 2012-10-30 Vanderbilt University High inertance liquid piston engine-compressor and method of use thereof
US8371179B2 (en) * 2010-10-08 2013-02-12 Endress + Hauser Gmbh + Co., Kg Measurement arrangement
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US20140166134A1 (en) * 2012-12-14 2014-06-19 Intermolecular, Inc. Pump with Reduced Number of Moving Parts
CA2843321C (en) * 2014-02-21 2015-02-17 Fluica Inc. Method and apparatus for pumping fluid
JP6353732B2 (ja) * 2014-08-04 2018-07-04 日本ピラー工業株式会社 ベローズポンプ装置
WO2016160667A1 (en) * 2015-03-28 2016-10-06 Pressure Biosciences, Inc. System for high pressure, high shear processing of fluids
CN105134540B (zh) * 2015-08-28 2017-10-20 江苏省血吸虫病防治研究所 一种利用潮汐定量投放液体杀螺剂装置及其应用
CN110031644A (zh) * 2017-06-30 2019-07-19 深圳迈瑞生物医疗电子股份有限公司 试剂供应装置、样本分析仪及试剂供应方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL88684C (xx) * 1953-07-15
US3185098A (en) * 1962-03-01 1965-05-25 Unda Anstalt Apparatus for the continuous ejection of material
US3201031A (en) * 1964-01-10 1965-08-17 Harwood Engineering Company Differential pressure control for pipless pumping
US3234882A (en) * 1964-06-03 1966-02-15 Rexall Drug Chemical Intensifier assembly system and method
US3363575A (en) * 1966-01-24 1968-01-16 Cicero C Brown Fluid pressure-driven multiplex pump
US3667869A (en) * 1970-03-04 1972-06-06 Karl Schlecht Dual cylinder-concrete pump
US3893790A (en) * 1971-04-30 1975-07-08 Bendix Corp Dual single action ram intensifier
DE2147984C3 (de) * 1971-09-25 1975-05-07 Hellmuth Walter Gmbh, 2300 Kiel Steuervorrichtung für einen Druckflüssigkeits-Schubkolbenmotor
US4021156A (en) * 1976-01-15 1977-05-03 Western Electric Co. High pressure hydraulic system
JPS574450A (en) * 1980-06-11 1982-01-11 Toyota Motor Corp Brake booster
GB2112083B (en) * 1981-11-25 1985-02-27 Hands England Drilling Limited Pump systems
FR2549904B1 (fr) * 1983-07-27 1987-11-06 Paul Hydraulique Pompe a haute pression pour liquide

Also Published As

Publication number Publication date
FR2554515A1 (fr) 1985-05-10
JPH0243031B2 (xx) 1990-09-26
IN161834B (xx) 1988-02-13
AU565779B2 (en) 1987-09-24
DE3441054A1 (de) 1985-05-15
ZA848740B (en) 1986-07-30
FR2554515B1 (fr) 1988-12-09
DE3441054C2 (xx) 1988-06-09
CA1224082A (en) 1987-07-14
JPS60116882A (ja) 1985-06-24
US4543044A (en) 1985-09-24
AU3515584A (en) 1985-05-16

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