ATE154152T1 - Rechnergesteuerte messpumpe - Google Patents

Rechnergesteuerte messpumpe

Info

Publication number
ATE154152T1
ATE154152T1 AT90916125T AT90916125T ATE154152T1 AT E154152 T1 ATE154152 T1 AT E154152T1 AT 90916125 T AT90916125 T AT 90916125T AT 90916125 T AT90916125 T AT 90916125T AT E154152 T1 ATE154152 T1 AT E154152T1
Authority
AT
Austria
Prior art keywords
rate
metering pump
computer controlled
measuring pump
computer
Prior art date
Application number
AT90916125T
Other languages
English (en)
Inventor
Bork Eric C Van
Original Assignee
Pulsafeeder 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
Application filed by Pulsafeeder Inc filed Critical Pulsafeeder Inc
Application granted granted Critical
Publication of ATE154152T1 publication Critical patent/ATE154152T1/de

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means
    • G05D7/0617Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources
    • 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
    • F04B49/06Control using electricity
    • F04B49/065Control using electricity and making use of computers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/023Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with provision for varying the stroke of the piston
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/029Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type provided with electric controlling means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/08Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
    • G01F11/086Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type using an auxiliary pressure to cooperate with the diaphragm or bellows
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/005Control of flow characterised by the use of auxiliary non-electric power combined with the use of electric means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
AT90916125T 1989-10-20 1990-10-22 Rechnergesteuerte messpumpe ATE154152T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/424,443 US5056036A (en) 1989-10-20 1989-10-20 Computer controlled metering pump

Publications (1)

Publication Number Publication Date
ATE154152T1 true ATE154152T1 (de) 1997-06-15

Family

ID=23682652

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90916125T ATE154152T1 (de) 1989-10-20 1990-10-22 Rechnergesteuerte messpumpe

Country Status (7)

Country Link
US (1) US5056036A (de)
EP (1) EP0496803B1 (de)
JP (1) JPH05508700A (de)
AT (1) ATE154152T1 (de)
CA (1) CA2066581C (de)
DE (1) DE69030881T2 (de)
WO (1) WO1991006062A1 (de)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249932A (en) * 1991-10-07 1993-10-05 Erik Van Bork Apparatus for controlling diaphragm extension in a diaphragm metering pump
US5378122A (en) 1993-02-16 1995-01-03 Wilden Pump & Engineering Co. Air driven diaphragm pump
FR2706857B1 (de) * 1993-06-25 1995-10-27 Dussau Distribution Sarl
US5526685A (en) * 1995-01-17 1996-06-18 Graseby Andersen Inc. Fluid flow rate measuring and controlling apparatus and method for using same
JP3371687B2 (ja) * 1996-06-11 2003-01-27 株式会社スリーボンド 定量吐出方法
US5751599A (en) * 1996-07-10 1998-05-12 Bortnik; Michael Probeless microprocessor based controller for open recirculating evaporative cooling systems
US5975854A (en) * 1997-05-09 1999-11-02 Copeland Corporation Compressor with protection module
US6017200A (en) * 1997-08-12 2000-01-25 Science Applications International Corporation Integrated pumping and/or energy recovery system
DE19742632A1 (de) * 1997-09-26 1999-04-08 Fresenius Medical Care De Gmbh Pump- und Dosiervorrichtung
US6109881A (en) * 1998-01-09 2000-08-29 Snodgrass; Ocie T. Gas driven pump for the dispensing and filtering of process fluid
DE19826610A1 (de) * 1998-06-16 1999-12-23 Bran & Luebbe Membranpumpe und Vorrichtung zur Steuerung derselben
US6585933B1 (en) 1999-05-03 2003-07-01 Betzdearborn, Inc. Method and composition for inhibiting corrosion in aqueous systems
US6174136B1 (en) 1998-10-13 2001-01-16 Liquid Metronics Incorporated Pump control and method of operating same
US6280147B1 (en) 1998-10-13 2001-08-28 Liquid Metronics Incorporated Apparatus for adjusting the stroke length of a pump element
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
US6264432B1 (en) * 1999-09-01 2001-07-24 Liquid Metronics Incorporated Method and apparatus for controlling a pump
US6302654B1 (en) * 2000-02-29 2001-10-16 Copeland Corporation Compressor with control and protection system
US6999996B2 (en) * 2000-03-14 2006-02-14 Hussmann Corporation Communication network and method of communicating data on the same
US7047753B2 (en) * 2000-03-14 2006-05-23 Hussmann Corporation Refrigeration system and method of operating the same
US7000422B2 (en) 2000-03-14 2006-02-21 Hussmann Corporation Refrigeration system and method of configuring the same
US6973794B2 (en) * 2000-03-14 2005-12-13 Hussmann Corporation Refrigeration system and method of operating the same
US6332327B1 (en) 2000-03-14 2001-12-25 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US6647735B2 (en) 2000-03-14 2003-11-18 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US6393338B1 (en) * 2000-03-17 2002-05-21 Tadeusz Kemnitz Apparatus and control method for accurate rotary peristaltic pump filling
US6350110B1 (en) * 2000-03-31 2002-02-26 B&G International Multiport metering pump
US6668240B2 (en) 2001-05-03 2003-12-23 Emerson Retail Services Inc. Food quality and safety model for refrigerated food
US6892546B2 (en) 2001-05-03 2005-05-17 Emerson Retail Services, Inc. System for remote refrigeration monitoring and diagnostics
US6640556B2 (en) 2001-09-19 2003-11-04 Westport Research Inc. Method and apparatus for pumping a cryogenic fluid from a storage tank
US6625519B2 (en) 2001-10-01 2003-09-23 Veeder-Root Company Inc. Pump controller for submersible turbine pumps
US7204679B2 (en) * 2002-09-30 2007-04-17 Emerson Electric Co. Flow control system
JP4187500B2 (ja) * 2002-10-25 2008-11-26 アルパイン株式会社 メッセージ処理装置およびシステム
US6889173B2 (en) 2002-10-31 2005-05-03 Emerson Retail Services Inc. System for monitoring optimal equipment operating parameters
US7094353B2 (en) * 2002-11-04 2006-08-22 Arch Chemicals, Inc. Method of water treatment
US8463441B2 (en) 2002-12-09 2013-06-11 Hudson Technologies, Inc. Method and apparatus for optimizing refrigeration systems
CA2536806A1 (en) 2003-08-25 2005-03-10 Computer Process Controls, Inc. Refrigeration control system
US6946968B1 (en) 2003-09-24 2005-09-20 Johnson Clifford C Hydraulic stroke measuring system
CN100368199C (zh) * 2004-02-12 2008-02-13 佳能株式会社 喷墨记录装置
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
EP1851959B1 (de) 2005-02-21 2012-04-11 Computer Process Controls, Inc. Kontroll- und beobachtungssystem für unternehmen
DE102005039237A1 (de) * 2005-08-19 2007-02-22 Prominent Dosiertechnik Gmbh Motordosierpumpe
DE202005013090U1 (de) * 2005-08-19 2007-01-04 Prominent Dosiertechnik Gmbh Motordosierpumpe
US7665315B2 (en) 2005-10-21 2010-02-23 Emerson Retail Services, Inc. Proofing a refrigeration system operating state
US7596959B2 (en) 2005-10-21 2009-10-06 Emerson Retail Services, Inc. Monitoring compressor performance in a refrigeration system
US7752853B2 (en) 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring refrigerant in a refrigeration system
US7594407B2 (en) 2005-10-21 2009-09-29 Emerson Climate Technologies, Inc. Monitoring refrigerant in a refrigeration system
US7752854B2 (en) 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring a condenser in a refrigeration system
SE529328C2 (sv) * 2005-11-15 2007-07-10 Johan Stenberg Styrsystem samt metod för styrning av elektromagnetiskt drivna pumpar
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
CN101245770B (zh) * 2007-02-17 2012-05-30 卓越剂量技术有限公司 电动机驱动计量泵
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
US20090041588A1 (en) * 2007-08-08 2009-02-12 Halliburton Energy Services, Inc. Active valve system for positive displacement pump
US8152476B2 (en) * 2007-08-24 2012-04-10 Toyo Pumps North America Corp. Positive displacement pump with a working fluid and linear motor control
US8393169B2 (en) 2007-09-19 2013-03-12 Emerson Climate Technologies, Inc. Refrigeration monitoring system and method
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US8160827B2 (en) 2007-11-02 2012-04-17 Emerson Climate Technologies, Inc. Compressor sensor module
US8185237B2 (en) * 2007-12-28 2012-05-22 Malema Engineering Corporation Dispense verification meters
NO330021B1 (no) * 2009-02-11 2011-02-07 Statoil Asa Anlegg for lagring og tilforsel av komprimert gass
CA2761956C (en) 2009-05-29 2015-07-21 Emerson Retail Services, Inc. System and method for monitoring and evaluating equipment operating parameter modifications
US8565925B2 (en) * 2009-09-29 2013-10-22 Virid Services Llc System and method for injecting a fluid additive into a fluid dispensation system
NL1037427C2 (nl) * 2009-10-30 2011-05-03 Lely Patent Nv Melkpompinrichting en werkwijze voor het verplaatsen van een hoeveelheid melk.
EP2531729B1 (de) 2010-02-02 2020-03-04 Dajustco Ip Holdings Inc. Membranpumpe mit hydraulikflüssigkeits-steuersystem
EP2362100B2 (de) * 2010-02-18 2020-07-08 Grundfos Management A/S Dosierpumpenaggregat sowie Verfahren zur Steuerung eines Dosierpumpenaggregates
FR2965864B1 (fr) * 2010-10-08 2012-12-14 Dosatron International Pompe doseuse de liquide, et dispositif detecteur de la variation de pression pour une telle pompe.
BR112013016822A2 (pt) * 2011-01-05 2017-08-01 Levine Noam medidor de fluxo de fluido
EP2681497A4 (de) 2011-02-28 2017-05-31 Emerson Electric Co. Hvac-überwachung und diagnose für haushaltsanwendungen
US8459195B2 (en) 2011-04-28 2013-06-11 Michael H. IRVING Self load sensing circuit board controller diaphragm pump
US8434697B1 (en) * 2011-05-12 2013-05-07 Peter Olt Autonomous system for injecting additives into irrigation water
ITCO20110071A1 (it) * 2011-12-22 2013-06-23 Nuovo Pignone Spa Compressori alternativi aventi valvole temporizzate e relativi metodi
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
CN102661766B (zh) * 2012-05-16 2013-06-12 长沙伟诺机电有限公司 适用于沥青小流量自动计量的装置
US8687180B2 (en) * 2012-06-07 2014-04-01 Molecular Devices, Llc System, method, and device for determining a focal position of an objective in a microscopy imaging system
US9480177B2 (en) 2012-07-27 2016-10-25 Emerson Climate Technologies, Inc. Compressor protection module
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
CA2904734C (en) 2013-03-15 2018-01-02 Emerson Electric Co. Hvac system remote monitoring and diagnosis
WO2014165731A1 (en) 2013-04-05 2014-10-09 Emerson Electric Co. Heat-pump system with refrigerant charge diagnostics
FR3005647B1 (fr) * 2013-05-17 2015-09-04 Cirmeca Dispositif et procede de dosage de produits et remplissage de recipients avec lesdits produits
CN103244390B (zh) * 2013-05-20 2015-06-24 贝恩医疗设备(广州)有限公司 一种计量泵
US9605664B2 (en) * 2014-01-07 2017-03-28 Ingersoll-Rand Company Pneumatic piston pump metering and dispense control
US10954931B2 (en) * 2014-12-12 2021-03-23 Dh Technologies Development Pte. Ltd. Linear displacement pump with position sensing and related systems and methods
ITUB20160404A1 (it) * 2016-01-26 2017-07-26 Global Service Design Ltd Uk Company Number 07411425 Apparato per l'erogazione controllata di un fluido da un contenitore e relativo metodo di erogazione
DE102016117357A1 (de) * 2016-09-15 2018-03-15 Prominent Gmbh Verfahren zum Betreiben von Dosiereinrichtungen
US20190203702A1 (en) * 2016-11-21 2019-07-04 Halliburton Energy Services, Inc. Cylinder pump systems and methods for pumping and measuring fluids
US20180372083A1 (en) * 2017-06-22 2018-12-27 Wanner Engineering, Inc. Hydraulic diaphragm control
AU2018204487B1 (en) * 2017-11-10 2019-05-30 Quantum Servo Pumping Technologies Pty Ltd Pumping systems
KR20230098246A (ko) * 2020-11-09 2023-07-03 피디씨 머신즈 인크. 다이어프램 컴프레서용 능동형 오일 분사 시스템
US12326746B1 (en) * 2023-05-17 2025-06-10 Flight Works, Inc. Normally-open valve assembly with variable speed fluid displacement

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084486B (de) * 1954-04-15 1960-06-30 Kontak Mfg Company Ltd Fluessigkeitsmesspumpe
US3227314A (en) * 1964-03-03 1966-01-04 Porter Lancastrian Ltd Delivering of measured quantities of pressurised liquids
US3756456A (en) * 1972-05-22 1973-09-04 Graco Inc Apparatus and method for a metering system
US3913314A (en) * 1972-06-09 1975-10-21 Westinghouse Electric Corp System and method for operating a gas turbine electric power plant with bypass flow fueling operation to provide improved reliability and extended apparatus life
US4241602A (en) * 1979-04-20 1980-12-30 Seismograph Service Corporation Rheometer
DE2933327A1 (de) * 1979-08-17 1981-03-26 Bayer Ag, 51373 Leverkusen Verfahren und einrichtung zum herstellen eines massiv- oder schaumstoff bildenden fliessfaehigen reaktionsgemisches
US4315523A (en) * 1980-03-06 1982-02-16 American Flow Systems, Inc. Electronically controlled flow meter and flow control system
US4474309A (en) * 1981-10-22 1984-10-02 Oximetrix, Inc. Stepping motor control procedure for achieving variable rate, quasi-continuous fluid infusion
DE3203087A1 (de) * 1982-01-30 1983-08-04 Gebrüder Sucker, 4050 Mönchengladbach Verfahren und vorrichtung zum beschichten oder imraegnieren eines bahnfoermig gefuehrten substrates
DE3204050C1 (de) * 1982-02-06 1983-07-21 Chemie Und Filter Gmbh, Verfahrenstechnik Kg, 6900 Heidelberg Elektromagnetisch betaetigte Axialkolbenpumpe,insbesondere Membranpumpe
US4715786A (en) * 1984-12-14 1987-12-29 Cole-Parmer Instrument Company Control method and apparatus for peristaltic fluid pump
US4796782A (en) * 1985-10-30 1989-01-10 Automation, Inc. Ink monitor system
US4723976A (en) * 1986-07-30 1988-02-09 Owens-Illinois Television Products Inc. Method and apparatus for pressing glass cathode ray tube faceplates
DE3706338A1 (de) * 1987-02-27 1988-09-08 Wagner Gmbh J Membranpumpvorrichtung
US4897797A (en) * 1988-04-25 1990-01-30 Betz Laboratories, Inc. Proportional chemical feeding system

Also Published As

Publication number Publication date
EP0496803B1 (de) 1997-06-04
EP0496803A4 (en) 1993-08-04
CA2066581C (en) 2000-10-10
DE69030881D1 (de) 1997-07-10
DE69030881T2 (de) 1997-09-18
WO1991006062A1 (en) 1991-05-02
JPH05508700A (ja) 1993-12-02
US5056036A (en) 1991-10-08
CA2066581A1 (en) 1991-04-21
EP0496803A1 (de) 1992-08-05

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