CA991950A - Pumping apparatus - Google Patents

Pumping apparatus

Info

Publication number
CA991950A
CA991950A CA165,223A CA165223A CA991950A CA 991950 A CA991950 A CA 991950A CA 165223 A CA165223 A CA 165223A CA 991950 A CA991950 A CA 991950A
Authority
CA
Canada
Prior art keywords
pumping apparatus
pumping
apparatus
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
Application number
CA165,223A
Other versions
CA165223S (en
Inventor
Louis Abrahams
Burleigh M. Hutchins (Jr.)
James L. Waters
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.)
Waters Associates Inc
Original Assignee
Waters Associates 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
Priority to US05232128 priority Critical patent/US3855129B1/en
Application filed by Waters Associates Inc filed Critical Waters Associates Inc
Application granted granted Critical
Publication of CA991950A publication Critical patent/CA991950A/en
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step
    • H02P8/12Control or stabilisation of current
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0058Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/20Control, 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 by changing the driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14Pistons, piston-rods or piston-rod connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/32Control of physical parameters of the fluid carrier of pressure or speed
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/36Control of physical parameters of the fluid carrier in high pressure liquid systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/32Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/324Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/32Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/326Control of physical parameters of the fluid carrier of pressure or speed pumps
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/32Control of physical parameters of the fluid carrier of pressure or speed
    • G01N2030/328Control of physical parameters of the fluid carrier of pressure or speed valves, e.g. check valves of pumps
CA165,223A 1972-03-06 1973-03-05 Pumping apparatus Expired CA991950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05232128 US3855129B1 (en) 1972-03-06 1972-03-06

Publications (1)

Publication Number Publication Date
CA991950A true CA991950A (en) 1976-06-29

Family

ID=22871976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA165,223A Expired CA991950A (en) 1972-03-06 1973-03-05 Pumping apparatus

Country Status (6)

Country Link
US (1) US3855129B1 (en)
JP (1) JPS6132620B2 (en)
CA (1) CA991950A (en)
DE (1) DE2311016C3 (en)
FR (1) FR2175029B1 (en)
GB (1) GB1429854A (en)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2366193C2 (en) * 1972-03-06 1984-10-11 Waters Associates, Inc., Framingham, Mass., Us
DE2420180A1 (en) * 1974-04-26 1975-07-31
US3985021A (en) * 1975-11-10 1976-10-12 Varian Associates High performance liquid chromatography system
US4045343A (en) * 1975-11-10 1977-08-30 Varian Associates, Inc. High pressure liquid chromatography system
US3985019A (en) * 1975-11-10 1976-10-12 Boehme Detlef R Liquid chromatography system with solvent proportioning
US4043906A (en) * 1976-03-18 1977-08-23 Varian Associates, Inc. Method and apparatus for reducing the transient effects of liquid compressibility in a liquid chromatography system
USRE31608E (en) * 1977-01-21 1984-06-19 Altex Scientific, Inc. Fluid pump mechanism
US4131393A (en) * 1977-01-21 1978-12-26 Altex Scientific, Inc. Fluid pump mechanism
US4180375A (en) * 1977-01-21 1979-12-25 Altex Scientific, Inc. Liquid chromatography pump
DE2922689A1 (en) * 1978-06-07 1979-12-13 Magnussen Jun pumping device
USRE31586E (en) * 1977-01-21 1984-05-15 Altex Scientific, Inc. Liquid chromatography pump
US4137011A (en) * 1977-06-14 1979-01-30 Spectra-Physics, Inc. Flow control system for liquid chromatographs
GB1595254A (en) * 1978-01-25 1981-08-12 Berelson R Pumping unit for dishwashing machines
FR2461126B1 (en) * 1978-12-15 1982-10-29 Gilson Medical Electronic Fran
US4281687A (en) * 1979-02-09 1981-08-04 Waters Associates, Inc. Fluid storage device
US4245963A (en) * 1979-02-09 1981-01-20 Waters Associates, Inc. Pump
US4225290A (en) * 1979-02-22 1980-09-30 Instrumentation Specialties Company Pumping system
US4294799A (en) * 1980-04-24 1981-10-13 Beckman Instruments, Inc. Temperature regulating apparatus
DE3035770C2 (en) * 1980-09-23 1984-08-16 Bruker Analytische Messtechnik Gmbh, 7512 Rheinstetten, De
JPS57158554A (en) * 1981-03-27 1982-09-30 Toyo Soda Mfg Co Ltd Method and device for chromatographic analysis
GB2144282B (en) * 1981-09-08 1985-09-18 Epson Corp Speed control device for a stepping motor
US4422942A (en) 1981-09-09 1983-12-27 Isco, Inc. Method for liquid chromatography
US4406158A (en) * 1981-09-09 1983-09-27 Isco, Inc. Apparatus and method for temperature correction of liquid chromatography
DE3139925A1 (en) * 1981-10-08 1983-07-14 Hewlett Packard Gmbh High-pressure metering pump
GB2113315B (en) * 1982-01-11 1986-05-21 Hewlett Packard Co An improved high pressure meter pump
JPS6229215Y2 (en) * 1982-05-31 1987-07-27
JPH0244210Y2 (en) * 1982-06-29 1990-11-22
JPH0631618B2 (en) * 1985-01-23 1994-04-27 株式会社日立製作所 Torque controlled hermetic compressor
US4733152A (en) * 1986-03-10 1988-03-22 Isco, Inc. Feedback system
US4917575A (en) * 1986-05-02 1990-04-17 The Dow Chemical Company Liquid chromatographic pump
FR2608225B1 (en) * 1986-12-10 1989-02-17 Imaje Sa Cell has multiple functions including a variable volume chamber, and fluid supply circuit of a print head by ink jet which is equipped
FR2619753B2 (en) * 1986-12-10 1990-08-31 Imaje Sa fluid supply circuit of a printing head equipped with a multifunction cell comprising a variable volume chamber
JPH06349B2 (en) * 1989-02-10 1994-01-05 工業技術院長 Mold fiber-reinforced thermoplastic synthetic resin
US4974628A (en) * 1989-06-08 1990-12-04 Beckman Instruments, Inc. Check valve cartridges with controlled pressure sealing
EP0433649A1 (en) * 1989-11-17 1991-06-26 ASKOLL S.p.A. Fluid metering pump
US5587082A (en) * 1995-06-07 1996-12-24 Teraoka; Iwao High osmotic pressure chromatography
JP3417208B2 (en) * 1996-04-23 2003-06-16 株式会社島津製作所 Automatic sample injection device
US6484589B1 (en) * 2001-05-30 2002-11-26 Senx Technology Piezoelectric transducer assemblies and methods for their use
US6997683B2 (en) * 2003-01-10 2006-02-14 Teledyne Isco, Inc. High pressure reciprocating pump and control of the same
US20040204864A1 (en) * 2003-04-09 2004-10-14 Allington Robert W. Signal to noise ratio in chromatography
US20040202575A1 (en) * 2003-04-09 2004-10-14 Allington Robert W. Signal to noise ratio in chromatography
US20040204866A1 (en) * 2003-04-09 2004-10-14 Allington Robert W. Method and apparatus to enhance the signal to noise ratio in chromatography
US20040205422A1 (en) * 2003-04-09 2004-10-14 Allington Robert W. Signal to noise ratio in chromatography
KR100524726B1 (en) * 2003-08-14 2005-10-31 엘지전자 주식회사 Driving circuit of reciprocating compressor
EP2872804B1 (en) * 2006-04-12 2017-11-29 Waters Technologies Corporation Active valve and methods of operation thereof
JP2009544978A (en) * 2006-07-25 2009-12-17 ウオーターズ・テクノロジーズ・コーポレイシヨン Elastic sealing check valve
DE102010039943A1 (en) * 2010-08-30 2012-03-01 Robert Bosch Gmbh Method for controlling a pressure supply unit for a fluid aggregate and corresponding fluid aggregate
CA2987358A1 (en) 2011-09-21 2013-03-28 Bayer Healthcare Llc Continuous multi-fluid pump device, drive and actuating system, and method
WO2013059296A2 (en) 2011-10-19 2013-04-25 Bobrick Washroom Equipment, Inc. Automated fluid dispensing system
CN102587090A (en) * 2012-03-22 2012-07-18 无锡小天鹅股份有限公司 Putting device capable of overcoming viscosity change of detergent and control method thereof
CH706929A1 (en) * 2012-09-11 2014-03-14 Werner Doebelin Ultra-high-pressure syringe pump system for the gradient operation in the field of HPLC.
KR20170104528A (en) 2015-01-09 2017-09-15 바이엘 헬쓰케어 엘엘씨 Multi-fluid delivery system with multi-use single use set and its features
CN105546046B (en) * 2016-01-28 2018-03-27 北京星达科技发展有限公司 Non-circular gear group and pump drive mechanism
CN107327382A (en) * 2016-04-29 2017-11-07 殷图源 A kind of Novel plunger pump
CN108361168A (en) * 2018-02-05 2018-08-03 南京航空航天大学 It is staggered the time based on dual piston the continuous and stable type metering pump of compensation policy
DE102018110918A1 (en) * 2018-05-07 2019-11-07 Lutz Holding GmbH Method for operating a double diaphragm pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446057A (en) * 1966-10-14 1969-05-27 Varian Associates Method and apparatus for chromatography

Also Published As

Publication number Publication date
JPS4947908A (en) 1974-05-09
DE2311016C3 (en) 1979-07-26
GB1429854A (en) 1976-03-31
US3855129B1 (en) 1985-10-08
DE2311016B2 (en) 1978-11-23
DE2311016A1 (en) 1973-09-20
US3855129A (en) 1974-12-17
FR2175029A1 (en) 1973-10-19
CA991950A1 (en)
JPS6132620B2 (en) 1986-07-28
FR2175029B1 (en) 1974-05-17

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