JPS4947908A - - Google Patents

Info

Publication number
JPS4947908A
JPS4947908A JP48025942A JP2594273A JPS4947908A JP S4947908 A JPS4947908 A JP S4947908A JP 48025942 A JP48025942 A JP 48025942A JP 2594273 A JP2594273 A JP 2594273A JP S4947908 A JPS4947908 A JP S4947908A
Authority
JP
Japan
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.)
Granted
Application number
JP48025942A
Other languages
Japanese (ja)
Other versions
JPS6132620B2 (en
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 filed Critical
Publication of JPS4947908A publication Critical patent/JPS4947908A/ja
Publication of JPS6132620B2 publication Critical patent/JPS6132620B2/ja
Expired legal-status Critical Current

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 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
JP48025942A 1972-03-06 1973-03-05 Expired JPS6132620B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00232128A US3855129A (en) 1972-03-06 1972-03-06 Novel pumping apparatus

Publications (2)

Publication Number Publication Date
JPS4947908A true JPS4947908A (en) 1974-05-09
JPS6132620B2 JPS6132620B2 (en) 1986-07-28

Family

ID=22871976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48025942A Expired JPS6132620B2 (en) 1972-03-06 1973-03-05

Country Status (6)

Country Link
US (1) US3855129A (en)
JP (1) JPS6132620B2 (en)
CA (1) CA991950A (en)
DE (1) DE2311016C3 (en)
FR (1) FR2175029B1 (en)
GB (1) GB1429854A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120162A (en) * 1982-01-11 1983-07-16 Yokogawa Hewlett Packard Ltd High pressure fixed displacement pump
JPS58181511U (en) * 1982-05-31 1983-12-03 トヨタ車体株式会社 Synthetic resin mold
JPS61169916A (en) * 1985-01-23 1986-07-31 Hitachi Ltd Torque control type closed compressor
JPH02209223A (en) * 1989-02-10 1990-08-20 Agency Of Ind Science & Technol Method for molding fiber reinforced thermoplastic synthetic resin

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855129A (en) 1972-03-06 1974-12-17 Waters Associates Inc Novel pumping apparatus
DE2366193C2 (en) * 1972-03-06 1984-10-11 Waters Associates, Inc., Framingham, Mass. Method and device for controlling a stepping motor
AT355544B (en) * 1974-04-26 1980-03-10 Chemie Filter Gmbh Verfahren DOSING PUMP WITH PULSATION DAMPER FOR ADJUSTING A CONSTANT PRESSURE IN THE COLUMN OF A DEVICE FOR LOW-PRESSURE LIQUID CHROMATOGRAPHY
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
US3985021A (en) * 1975-11-10 1976-10-12 Varian Associates High performance liquid chromatography system
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
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
USRE31586E (en) * 1977-01-21 1984-05-15 Altex Scientific, Inc. Liquid chromatography pump
USRE31608E (en) * 1977-01-21 1984-06-19 Altex Scientific, Inc. Fluid pump mechanism
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
DE2922689A1 (en) * 1978-06-07 1979-12-13 Magnussen Jun PUMPING DEVICE
FR2461126A1 (en) * 1978-12-15 1981-01-30 Gilson Medical Electronic Fran PISTON PUMP WITH PRECISELY ADJUSTABLE FLOW
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 Multiple piston pump with constant delivery rate
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
US4406158A (en) * 1981-09-09 1983-09-27 Isco, Inc. Apparatus and method for temperature correction of liquid chromatography
US4422942A (en) 1981-09-09 1983-12-27 Isco, Inc. Method for liquid chromatography
DE3139925A1 (en) * 1981-10-08 1983-07-14 Hewlett-Packard GmbH, 7030 Böblingen HIGH PRESSURE DOSING PUMP
JPS5910064U (en) * 1982-06-29 1984-01-21 株式会社島津製作所 Liquid chromatograph liquid delivery device
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 MULTIPLE FUNCTION CELL HAVING A VARIABLE VOLUME CHAMBER, AND FLUID SUPPLY CIRCUIT FOR AN INK JET PRINTHEAD PROVIDED THEREWITH
FR2619753B2 (en) * 1986-12-10 1990-08-31 Imaje Sa FLUID SUPPLY CIRCUIT OF A PRINTHEAD EQUIPPED WITH A MULTIFUNCTIONAL CELL COMPRISING A VARIABLE VOLUME CHAMBER
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
US20040204866A1 (en) * 2003-04-09 2004-10-14 Allington Robert W. Method and apparatus to enhance the signal to noise ratio in chromatography
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
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
JP2009533628A (en) * 2006-04-12 2009-09-17 ウオーターズ・テクノロジーズ・コーポレイシヨン Active valve and method of operation of active valve
WO2008014306A2 (en) * 2006-07-25 2008-01-31 Waters Investments Limited Compliant-seal 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
EP2758096A4 (en) 2011-09-21 2015-07-01 Bayer Medical Care Inc Continuous multi-fluid delivery system and method
US9226624B2 (en) 2011-10-19 2016-01-05 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.
KR102528289B1 (en) 2015-01-09 2023-05-03 바이엘 헬쓰케어 엘엘씨 Multiple fluid delivery systems with multiple use disposable sets and features thereof
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1911294U (en) 1964-12-16 1965-03-04 Bollhoff & Co LOCKING DEVICE.
US3411058A (en) 1965-01-19 1968-11-12 Superior Electric Co Acceleration deceleration control circuit for a stepping motor
US3488030A (en) 1966-08-17 1970-01-06 Halliburton Co Electrical motor operated valve
US3446057A (en) * 1966-10-14 1969-05-27 Varian Associates Method and apparatus for chromatography
US3466517A (en) 1966-12-15 1969-09-09 Superior Electric Co Numerically controlled motor system
DE2121433A1 (en) 1970-04-30 1971-12-09 Ultra Electronics Ltd Method and device for operating a stepping motor
DE2032875A1 (en) 1970-07-02 1972-01-27 Superior Electric Co Stepper motor control circuit
US3855129A (en) 1972-03-06 1974-12-17 Waters Associates Inc Novel pumping apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120162A (en) * 1982-01-11 1983-07-16 Yokogawa Hewlett Packard Ltd High pressure fixed displacement pump
JPH0141220B2 (en) * 1982-01-11 1989-09-04 Yokogawa Hyuuretsuto Patsukaado Kk
JPS58181511U (en) * 1982-05-31 1983-12-03 トヨタ車体株式会社 Synthetic resin mold
JPS6229215Y2 (en) * 1982-05-31 1987-07-27
JPS61169916A (en) * 1985-01-23 1986-07-31 Hitachi Ltd Torque control type closed compressor
JPH02209223A (en) * 1989-02-10 1990-08-20 Agency Of Ind Science & Technol Method for molding fiber reinforced thermoplastic synthetic resin

Also Published As

Publication number Publication date
JPS6132620B2 (en) 1986-07-28
DE2311016C3 (en) 1979-07-26
FR2175029B1 (en) 1974-05-17
DE2311016A1 (en) 1973-09-20
CA991950A (en) 1976-06-29
US3855129B1 (en) 1985-10-08
FR2175029A1 (en) 1973-10-19
DE2311016B2 (en) 1978-11-23
GB1429854A (en) 1976-03-31
US3855129A (en) 1974-12-17

Similar Documents

Publication Publication Date Title
US3855129B1 (en)
JPS4969391A (en)
JPS4996151A (en)
FR2184545A1 (en)
JPS4963852A (en)
JPS5228147Y2 (en)
JPS4918682U (en)
JPS4940086U (en)
CS156847B1 (en)
JPS5037473B2 (en)
JPS4882949U (en)
CS158503B1 (en)
JPS48113237U (en)
CS155400B1 (en)
CS155638B1 (en)
CS155649B1 (en)
CS156343B1 (en)
CS156378B1 (en)
CS153317B1 (en)
CS159446B1 (en)
CS159552B1 (en)
CS161020B1 (en)
JPS4976979U (en)
JPS48109547U (en)
JPS49105981U (en)