US3855129B1 - - Google Patents
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- Publication number
- US3855129B1 US3855129B1 US23212872A US3855129B1 US 3855129 B1 US3855129 B1 US 3855129B1 US 23212872 A US23212872 A US 23212872A US 3855129 B1 US3855129 B1 US 3855129B1
- Authority
- US
- United States
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/12—Control or stabilisation of current
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B49/00—Control, 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
- F04B49/20—Control, 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
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/36—Control of physical parameters of the fluid carrier in high pressure liquid systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/324—Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/326—Control of physical parameters of the fluid carrier of pressure or speed pumps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/328—Control 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)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00232128A US3855129A (en) | 1972-03-06 | 1972-03-06 | Novel pumping apparatus |
FR7307779A FR2175029B1 (ja) | 1972-03-06 | 1973-03-05 | |
CA165,223A CA991950A (en) | 1972-03-06 | 1973-03-05 | Pumping apparatus |
JP48025942A JPS6132620B2 (ja) | 1972-03-06 | 1973-03-05 | |
GB1060773A GB1429854A (en) | 1972-03-06 | 1973-03-05 | Control of pumping apparatus |
DE2311016A DE2311016C3 (de) | 1972-03-06 | 1973-03-06 | Chromatographisches Analysegerät |
DE19732366193 DE2366193C2 (de) | 1972-03-06 | 1973-03-06 | Verfahren und Einrichtung zum Steuern eines Schrittmotors |
US05/417,146 US3981620A (en) | 1972-03-06 | 1973-11-19 | Pumping apparatus |
US05/546,727 US3958898A (en) | 1972-03-06 | 1975-02-03 | Pump control systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00232128A US3855129A (en) | 1972-03-06 | 1972-03-06 | Novel pumping apparatus |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/417,146 Division US3981620A (en) | 1972-03-06 | 1973-11-19 | Pumping apparatus |
US05417147 Division | 1973-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
US3855129A US3855129A (en) | 1974-12-17 |
US3855129B1 true US3855129B1 (ja) | 1985-10-08 |
Family
ID=22871976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00232128A Expired - Lifetime US3855129A (en) | 1972-03-06 | 1972-03-06 | Novel pumping apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US3855129A (ja) |
JP (1) | JPS6132620B2 (ja) |
CA (1) | CA991950A (ja) |
DE (1) | DE2311016C3 (ja) |
FR (1) | FR2175029B1 (ja) |
GB (1) | GB1429854A (ja) |
Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984315A (en) * | 1974-04-26 | 1976-10-05 | Chemie Und Filter Gmbh Verfahrenstechnik Kg | Electromagnetic metering pump |
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 |
US4045343A (en) * | 1975-11-10 | 1977-08-30 | Varian Associates, Inc. | High pressure liquid chromatography system |
US4131393A (en) * | 1977-01-21 | 1978-12-26 | Altex Scientific, Inc. | Fluid pump mechanism |
US4137011A (en) * | 1977-06-14 | 1979-01-30 | Spectra-Physics, Inc. | Flow control system for liquid chromatographs |
US4180375A (en) * | 1977-01-21 | 1979-12-25 | Altex Scientific, Inc. | Liquid chromatography pump |
US4225290A (en) * | 1979-02-22 | 1980-09-30 | Instrumentation Specialties Company | Pumping system |
US4245963A (en) * | 1979-02-09 | 1981-01-20 | Waters Associates, Inc. | Pump |
US4281687A (en) * | 1979-02-09 | 1981-08-04 | Waters Associates, Inc. | Fluid storage device |
US4294799A (en) * | 1980-04-24 | 1981-10-13 | Beckman Instruments, Inc. | Temperature regulating apparatus |
EP0073906A2 (en) * | 1981-09-09 | 1983-03-16 | ISCO, Inc. | Apparatus and method for temperature correction of liquid chromatography |
EP0106009A1 (en) * | 1982-06-29 | 1984-04-25 | Shimadzu Corporation | Liquid chromatograph |
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 |
US4556538A (en) * | 1981-03-27 | 1985-12-03 | Toyo Soda Manufacturing Co., Inc. | Chromatographic apparatus |
US4624625A (en) * | 1981-10-08 | 1986-11-25 | Hewlett-Packard Company | High pressure metering pump |
EP0217318A2 (en) | 1981-09-09 | 1987-04-08 | ISCO, Inc. | Apparatus and method for liquid chromatography |
EP0236982A2 (en) * | 1986-03-10 | 1987-09-16 | ISCO, Inc. | Pump |
WO1988004235A1 (fr) * | 1986-12-10 | 1988-06-16 | Imaje S.A. | Cellule a multiples fonctions comportant une chambre a volume variable et circuit d'alimentation fluide d'une tete d'impression a jet d'encre qui en est equipe |
FR2608225A1 (fr) * | 1986-12-10 | 1988-06-17 | Imaje Sa | Cellule a multiples fonctions comportant une chambre a volume variable, et circuit d'alimentation fluide d'une tete d'impression a jet d'encre qui en est equipe |
US4917575A (en) * | 1986-05-02 | 1990-04-17 | The Dow Chemical Company | Liquid chromatographic pump |
EP0408177A1 (en) * | 1989-06-08 | 1991-01-16 | 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 |
US5861317A (en) * | 1996-04-23 | 1999-01-19 | Shimadzu Corporation | Automatic sample injector and method of operating same |
WO2002099852A2 (en) * | 2001-05-30 | 2002-12-12 | Senx Technology | Novel piezoelectric transducer assemblies and methods for their use |
US20040136833A1 (en) * | 2003-01-10 | 2004-07-15 | Allington Robert W. | High pressure reciprocating pump and control of the same |
US20040205422A1 (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 |
US20040204864A1 (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 |
US20050053471A1 (en) * | 2003-08-14 | 2005-03-10 | Lg Electronics Inc. | Apparatus for controlling operation of reciprocating compressor |
US20100012192A1 (en) * | 2006-04-12 | 2010-01-21 | Waters Investments Limited | Active valve and methods of operation thereof |
US20100158704A1 (en) * | 2006-07-25 | 2010-06-24 | Waters Technologies Corporation | Compliant-seal check valve |
GB2483348A (en) * | 2010-08-30 | 2012-03-07 | Bosch Gmbh Robert | A fluid assembly and a method for controlling a pressure supply unit of the fluid assembly |
US20150075230A1 (en) * | 2012-03-22 | 2015-03-19 | Wuxi Little Swan Co., Ltd. | Washing Machine And Detergent Delivery Pump Assembly Thereof |
US20150345484A1 (en) * | 2012-09-11 | 2015-12-03 | Warner DÖBELIN | Syringe pump system for pulse-free metering and precise mixing in hplc uhplc, micro-hplc and nano-hplc |
US20160088978A1 (en) * | 2011-10-19 | 2016-03-31 | Bobrick Washroom Equipment, Inc. | Automated fluid dispensing system |
CN105546046A (zh) * | 2016-01-28 | 2016-05-04 | 北京星达科技发展有限公司 | 非圆齿轮组和泵用传动结构 |
US9649436B2 (en) | 2011-09-21 | 2017-05-16 | Bayer Healthcare Llc | Assembly method for a fluid pump device for a continuous multi-fluid delivery system |
CN107327382A (zh) * | 2016-04-29 | 2017-11-07 | 殷图源 | 一种新型柱塞泵 |
CN108361168A (zh) * | 2018-02-05 | 2018-08-03 | 南京航空航天大学 | 基于双重活塞错时补偿策略的连续平稳型计量泵 |
US10507319B2 (en) | 2015-01-09 | 2019-12-17 | Bayer Healthcare Llc | Multiple fluid delivery system with multi-use disposable set and features thereof |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855129A (en) | 1972-03-06 | 1974-12-17 | Waters Associates Inc | Novel pumping apparatus |
DE2366193C2 (de) * | 1972-03-06 | 1984-10-11 | Waters Associates, Inc., Framingham, Mass. | Verfahren und Einrichtung zum Steuern eines Schrittmotors |
GB1595254A (en) * | 1978-01-25 | 1981-08-12 | Berelson R | Pumping unit for dishwashing machines |
DE2922689A1 (de) * | 1978-06-07 | 1979-12-13 | Magnussen Jun | Pumpvorrichtung |
FR2461126A1 (fr) * | 1978-12-15 | 1981-01-30 | Gilson Medical Electronic Fran | Pompe a piston a debit reglable precisement |
DE3035770C2 (de) * | 1980-09-23 | 1984-08-16 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Mehrfach-Kolbenpumpe mit konstanter Förderleistung |
GB2144282B (en) * | 1981-09-08 | 1985-09-18 | Epson Corp | Speed control device for a stepping motor |
GB2113315B (en) * | 1982-01-11 | 1986-05-21 | Hewlett Packard Co | An improved high pressure meter pump |
JPS58181511U (ja) * | 1982-05-31 | 1983-12-03 | トヨタ車体株式会社 | 合成樹脂成形用型 |
JPH0631618B2 (ja) * | 1985-01-23 | 1994-04-27 | 株式会社日立製作所 | トルク制御式密閉形圧縮機 |
JPH06349B2 (ja) * | 1989-02-10 | 1994-01-05 | 工業技術院長 | 繊維強化熱可塑性合成樹脂の成形用金型 |
DE102018110918A1 (de) * | 2018-05-07 | 2019-11-07 | Lutz Holding GmbH | Verfahren zum Betrieb einer Doppelmembranpumpe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911294U (de) | 1964-12-16 | 1965-03-04 | Bollhoff & Co | Verriegelungsvorrichtung. |
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 (de) | 1970-04-30 | 1971-12-09 | Ultra Electronics Ltd | Verfahren und Vorrichtung zum Betrieb eines Schrittschaltmotors |
DE2032875A1 (de) | 1970-07-02 | 1972-01-27 | Superior Electric Co | Schrittschaltmotor Steuerkreis |
US3855129A (en) | 1972-03-06 | 1974-12-17 | Waters Associates Inc | Novel pumping apparatus |
-
1972
- 1972-03-06 US US00232128A patent/US3855129A/en not_active Expired - Lifetime
-
1973
- 1973-03-05 FR FR7307779A patent/FR2175029B1/fr not_active Expired
- 1973-03-05 GB GB1060773A patent/GB1429854A/en not_active Expired
- 1973-03-05 JP JP48025942A patent/JPS6132620B2/ja not_active Expired
- 1973-03-05 CA CA165,223A patent/CA991950A/en not_active Expired
- 1973-03-06 DE DE2311016A patent/DE2311016C3/de not_active Expired
Cited By (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984315A (en) * | 1974-04-26 | 1976-10-05 | Chemie Und Filter Gmbh Verfahrenstechnik Kg | Electromagnetic metering pump |
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 |
US4045343A (en) * | 1975-11-10 | 1977-08-30 | Varian Associates, Inc. | High pressure liquid chromatography system |
FR2370977A1 (ja) * | 1975-11-10 | 1978-06-09 | Varian Associates | |
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 |
USRE31586E (en) * | 1977-01-21 | 1984-05-15 | Altex Scientific, Inc. | Liquid chromatography pump |
US4180375A (en) * | 1977-01-21 | 1979-12-25 | Altex Scientific, Inc. | Liquid chromatography pump |
US4131393A (en) * | 1977-01-21 | 1978-12-26 | Altex Scientific, Inc. | Fluid pump mechanism |
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 |
US4245963A (en) * | 1979-02-09 | 1981-01-20 | Waters Associates, Inc. | Pump |
US4281687A (en) * | 1979-02-09 | 1981-08-04 | Waters Associates, Inc. | Fluid storage device |
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 |
US4556538A (en) * | 1981-03-27 | 1985-12-03 | Toyo Soda Manufacturing Co., Inc. | Chromatographic apparatus |
EP0073906A2 (en) * | 1981-09-09 | 1983-03-16 | ISCO, Inc. | Apparatus and method for temperature correction of liquid chromatography |
EP0073906A3 (en) * | 1981-09-09 | 1984-04-18 | Isco, Inc. | Apparatus and method for temperature correction of liquid chromatography |
EP0217318A2 (en) | 1981-09-09 | 1987-04-08 | ISCO, Inc. | Apparatus and method for liquid chromatography |
US4624625A (en) * | 1981-10-08 | 1986-11-25 | Hewlett-Packard Company | High pressure metering pump |
EP0106009A1 (en) * | 1982-06-29 | 1984-04-25 | Shimadzu Corporation | Liquid chromatograph |
EP0236982A2 (en) * | 1986-03-10 | 1987-09-16 | ISCO, Inc. | Pump |
US4733152A (en) * | 1986-03-10 | 1988-03-22 | Isco, Inc. | Feedback system |
EP0236982A3 (en) * | 1986-03-10 | 1989-11-08 | Isco, Inc. | Pump |
US4917575A (en) * | 1986-05-02 | 1990-04-17 | The Dow Chemical Company | Liquid chromatographic pump |
WO1988004235A1 (fr) * | 1986-12-10 | 1988-06-16 | Imaje S.A. | Cellule a multiples fonctions comportant une chambre a volume variable et circuit d'alimentation fluide d'une tete d'impression a jet d'encre qui en est equipe |
FR2608225A1 (fr) * | 1986-12-10 | 1988-06-17 | Imaje Sa | Cellule a multiples fonctions comportant une chambre a volume variable, et circuit d'alimentation fluide d'une tete d'impression a jet d'encre qui en est equipe |
EP0277453A1 (fr) * | 1986-12-10 | 1988-08-10 | Imaje S.A. | Cellule à multiples fonctions comportant une chambre à volume variable et circuit d'alimentation fluide d'une tête d'impression à jet d'encre qui en est équipée |
US4910529A (en) * | 1986-12-10 | 1990-03-20 | Imaje Sa | Multifunction cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head |
US4998116A (en) * | 1986-12-10 | 1991-03-05 | Imaje Sa | Multifunctional cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head |
EP0408177A1 (en) * | 1989-06-08 | 1991-01-16 | 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 |
US5861317A (en) * | 1996-04-23 | 1999-01-19 | Shimadzu Corporation | Automatic sample injector and method of operating same |
WO2002099852A2 (en) * | 2001-05-30 | 2002-12-12 | Senx Technology | Novel piezoelectric transducer assemblies and methods for their use |
WO2002099852A3 (en) * | 2001-05-30 | 2004-02-19 | Senx Technology | Novel 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 |
US20040136833A1 (en) * | 2003-01-10 | 2004-07-15 | Allington Robert W. | High pressure reciprocating pump and control of the same |
US20040151594A1 (en) * | 2003-01-10 | 2004-08-05 | Allington Robert W. | High pressure reciprocating pump and control of the same |
US7037081B2 (en) | 2003-01-10 | 2006-05-02 | 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 |
US20050053471A1 (en) * | 2003-08-14 | 2005-03-10 | Lg Electronics Inc. | Apparatus for controlling operation of reciprocating compressor |
US7385368B2 (en) | 2003-08-14 | 2008-06-10 | Lg Electronics Inc. | Apparatus for controlling operation of reciprocating compressor |
US8297589B2 (en) | 2006-04-12 | 2012-10-30 | Waters Technologies Corp | Active valve and methods of operation thereof |
US20100012192A1 (en) * | 2006-04-12 | 2010-01-21 | Waters Investments Limited | Active valve and methods of operation thereof |
US20100158704A1 (en) * | 2006-07-25 | 2010-06-24 | Waters Technologies Corporation | Compliant-seal check valve |
US8671975B2 (en) | 2006-07-25 | 2014-03-18 | Waters Technologies Corporation | Compliant-seal check valve |
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Also Published As
Publication number | Publication date |
---|---|
JPS6132620B2 (ja) | 1986-07-28 |
DE2311016C3 (de) | 1979-07-26 |
FR2175029B1 (ja) | 1974-05-17 |
DE2311016A1 (de) | 1973-09-20 |
CA991950A (en) | 1976-06-29 |
FR2175029A1 (ja) | 1973-10-19 |
JPS4947908A (ja) | 1974-05-09 |
DE2311016B2 (de) | 1978-11-23 |
GB1429854A (en) | 1976-03-31 |
US3855129A (en) | 1974-12-17 |
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