DE69331590D1 - Vorgesteuertes Durchflussregelventil - Google Patents

Vorgesteuertes Durchflussregelventil

Info

Publication number
DE69331590D1
DE69331590D1 DE69331590T DE69331590T DE69331590D1 DE 69331590 D1 DE69331590 D1 DE 69331590D1 DE 69331590 T DE69331590 T DE 69331590T DE 69331590 T DE69331590 T DE 69331590T DE 69331590 D1 DE69331590 D1 DE 69331590D1
Authority
DE
Germany
Prior art keywords
control valve
flow control
pilot operated
operated flow
pilot
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 - Fee Related
Application number
DE69331590T
Other languages
English (en)
Other versions
DE69331590T2 (de
Inventor
Michael Frederick Scarffe
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.)
Aztec Developments Ltd
Original Assignee
Aztec Developments Ltd
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 Aztec Developments Ltd filed Critical Aztec Developments Ltd
Application granted granted Critical
Publication of DE69331590D1 publication Critical patent/DE69331590D1/de
Publication of DE69331590T2 publication Critical patent/DE69331590T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
    • B67D1/1234—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/0015—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components
    • B67D1/0021—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers
    • B67D1/0022—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers the apparatus comprising means for automatically controlling the amount to be dispensed
    • B67D1/0034—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers the apparatus comprising means for automatically controlling the amount to be dispensed for controlling the amount of each component
    • B67D1/0035—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers the apparatus comprising means for automatically controlling the amount to be dispensed for controlling the amount of each component the controls being based on the same metering technics
    • B67D1/0037—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers the apparatus comprising means for automatically controlling the amount to be dispensed for controlling the amount of each component the controls being based on the same metering technics based on volumetric dosing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0855—Details concerning the used flowmeter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
    • B67D1/1204—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed for ratio control purposes
    • B67D1/1211—Flow rate sensor
    • B67D1/1218—Flow rate sensor modulating the opening of a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1277—Flow control valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1284—Ratio control
    • B67D1/1295—Ratio defined by setting flow controllers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/36—Arrangements of flow- or pressure-control valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature
DE69331590T 1992-08-13 1993-07-27 Stromventil zur Verwendung in einem Fluidausgabesystem Expired - Fee Related DE69331590T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929217180A GB9217180D0 (en) 1992-08-13 1992-08-13 Improvements in or relating to the dispensing of fluids

Publications (2)

Publication Number Publication Date
DE69331590D1 true DE69331590D1 (de) 2002-03-21
DE69331590T2 DE69331590T2 (de) 2002-09-19

Family

ID=10720277

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69331590T Expired - Fee Related DE69331590T2 (de) 1992-08-13 1993-07-27 Stromventil zur Verwendung in einem Fluidausgabesystem
DE69321237T Expired - Fee Related DE69321237T2 (de) 1992-08-13 1993-07-27 Piezoelektrische messfühler und durchflussmesser

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69321237T Expired - Fee Related DE69321237T2 (de) 1992-08-13 1993-07-27 Piezoelektrische messfühler und durchflussmesser

Country Status (8)

Country Link
US (2) US5716038A (de)
EP (2) EP0655017B1 (de)
AU (1) AU4716793A (de)
CA (1) CA2142290A1 (de)
DE (2) DE69331590T2 (de)
ES (1) ES2172042T3 (de)
GB (1) GB9217180D0 (de)
WO (1) WO1994004286A2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9412043D0 (en) * 1994-06-16 1994-08-03 Powell Anthony Liquid dispensers
GB2303354B (en) * 1995-07-15 1999-03-24 Coca Cola & Schweppes Beverage Drinks-dispensing apparatus
US5706661A (en) * 1995-09-29 1998-01-13 Frank; Jimmy I. Apparatus and method for controlling the consistency and quality of a frozen carbonated beverage product
DE19543945A1 (de) * 1995-11-25 1997-05-28 Khs Masch & Anlagenbau Ag Füllmaschine und Füllelement für eine solche Maschine
US5954080A (en) * 1996-02-20 1999-09-21 Gilbarco, Inc. Gated proportional flow control valve with low flow control
US6485789B1 (en) 1997-04-14 2002-11-26 3M Innovative Properties Company Fluorochemical composition containing a condensation product of a fluorochemical polyether and a poly-isocyanate to impart stain release properties to a substrate
US6239247B1 (en) 1997-05-14 2001-05-29 3M Innovative Properties Company Fluorochemical composition comprising a urethane having a fluorochemical oligomer and a hydrophilic segment to impart stain release properties to a substrate
US6383633B1 (en) 1997-05-14 2002-05-07 3M Innovative Properties Company Fluorochemical composition comprising a polymer derived from a fluorochemical urethane (meth)acrylate monomer for imparting stain release properties to a substrate
US6162369A (en) * 1997-05-14 2000-12-19 3M Innovative Properties Company Fluorochemical composition comprising a polyurethane having a fluorochemical oligomer and a hydrophilic segment to impart stain release properties to a substrate
GB2363645B (en) * 1999-02-19 2003-01-29 Automatic Switch Co Extended range proportional valve
GB2348185B (en) * 1999-03-23 2001-03-14 Imi Cornelius Dispensing of beverages
GB9910607D0 (en) * 1999-05-08 1999-07-07 Imi Cornelius Uk Ltd Beverage dispenser
US6293516B1 (en) 1999-10-21 2001-09-25 Arichell Technologies, Inc. Reduced-energy-consumption actuator
DE60039451D1 (de) 1999-11-29 2008-08-21 Hill Rom Services Inc Vorrichtung zur behandlung einer wunde
WO2001061226A1 (en) * 2000-02-18 2001-08-23 Asco Controls, L.P. Extended range proportional valve
US6948697B2 (en) 2000-02-29 2005-09-27 Arichell Technologies, Inc. Apparatus and method for controlling fluid flow
US6305662B1 (en) * 2000-02-29 2001-10-23 Arichell Technologies, Inc. Reduced-energy-consumption actuator
US20070241298A1 (en) 2000-02-29 2007-10-18 Kay Herbert Electromagnetic apparatus and method for controlling fluid flow
WO2002005046A2 (en) 2000-07-12 2002-01-17 Honeywell International Inc. Extended range proportional flow valve method
US7437778B2 (en) * 2001-12-04 2008-10-21 Arichell Technologies Inc. Automatic bathroom flushers
WO2003048463A2 (en) * 2001-12-04 2003-06-12 Arichell Technologies, Inc. Electronic faucets for long-term operation
US7921480B2 (en) 2001-11-20 2011-04-12 Parsons Natan E Passive sensors and control algorithms for faucets and bathroom flushers
EP1466118A4 (de) * 2001-12-26 2008-11-12 Arichell Tech Inc Badezimmerspülvorrichtungen mit neuen sensoren und steuerungen
US20060006354A1 (en) * 2002-12-04 2006-01-12 Fatih Guler Optical sensors and algorithms for controlling automatic bathroom flushers and faucets
US9169626B2 (en) * 2003-02-20 2015-10-27 Fatih Guler Automatic bathroom flushers
AU2003245692A1 (en) * 2002-06-24 2004-01-23 Arichell Technologies, Inc. Automated water delivery systems with feedback control
DE10248181A1 (de) * 2002-10-16 2004-04-29 Zf Friedrichshafen Ag Druckregelventil
US7731154B2 (en) 2002-12-04 2010-06-08 Parsons Natan E Passive sensors for automatic faucets and bathroom flushers
US7036686B2 (en) * 2003-01-18 2006-05-02 Global Agricultural Technology And Engineering, Llc Soft drink dispensing system
US7156115B2 (en) * 2003-01-28 2007-01-02 Lancer Partnership, Ltd Method and apparatus for flow control
USD598974S1 (en) 2004-02-20 2009-08-25 Sloan Valve Company Automatic bathroom flusher cover
CA2458063C (en) 2003-02-20 2013-04-30 Arichell Technologies, Inc. Toilet flushers with modular design
US20110017929A1 (en) * 2003-02-20 2011-01-27 Fatih Guler Low volume automatic bathroom flushers
USD621909S1 (en) 2004-02-20 2010-08-17 Sloan Valve Company Enclosure for automatic bathroom flusher
USD620554S1 (en) 2004-02-20 2010-07-27 Sloan Valve Company Enclosure for automatic bathroom flusher
USD623268S1 (en) 2004-02-20 2010-09-07 Sloan Valve Company Enclosure for automatic bathroom flusher
USD629069S1 (en) 2004-02-20 2010-12-14 Sloan Valve Company Enclosure for automatic bathroom flusher
JP2006335874A (ja) * 2005-06-02 2006-12-14 Kao Corp 生分解性樹脂用可塑剤
DE102008019992B4 (de) 2008-04-21 2010-07-01 Mib Gmbh Messtechnik Und Industrieberatung Ultraschall-Messanordnung
WO2009149492A1 (en) * 2008-06-10 2009-12-17 Qv Pumping Technologies Ltd Beverage dispensing system
GB0822819D0 (en) * 2008-12-16 2009-01-21 Sleddon Stephen Fount
DE202009011310U1 (de) * 2009-08-19 2010-09-30 Junker, Raul Ultraschalldurchflussmesser mit Universal-Sensorträger
CN105804166B (zh) 2011-03-15 2019-03-26 仕龙阀门公司 自动水龙头
US9695579B2 (en) 2011-03-15 2017-07-04 Sloan Valve Company Automatic faucets
DE102013202850A1 (de) * 2013-02-21 2014-08-21 Landis+Gyr Gmbh Durchflussmesser mit einem Schallwandler umfassenden Messeinsatz
DE102013202852A1 (de) * 2013-02-21 2014-08-21 Landis+Gyr Gmbh Durchflussmesser mit einem in ein Gehäuse einsetzbaren Messeinsatz
US10426290B2 (en) * 2013-03-14 2019-10-01 The Coca-Cola Company Water distribution system for a beverage dispenser
MX368118B (es) * 2013-03-14 2019-09-19 Deka Products Lp Sistema de suministro de producto.
US20150088321A1 (en) * 2013-09-24 2015-03-26 Bray International, Inc. Self-Learning Closed-Loop Control Valve System
WO2015148988A1 (en) * 2014-03-28 2015-10-01 Bray Internatal, Inc. Pressure independent control valve for small diameter flow, energy use and/or transfer
US20170101298A1 (en) * 2014-05-27 2017-04-13 O.D.L. S.R.L. Post-mix beverage dispenser
CN105333195A (zh) * 2015-10-26 2016-02-17 无锡市圣科不锈钢气动自控阀门厂 一种压电阀门
US10364136B2 (en) * 2016-09-26 2019-07-30 Gate Cfv Solutions, Inc. Valve device
PT3395756T (pt) * 2017-04-28 2020-02-28 Wayne Fueling Systems Sweden Ab Uma unidade de bomba de combustível para uma unidade de dispensação de combustível, uma unidade de dispensação de combustível para reabastecer um veículo, e um método para manusear uma unidade de bomba de combustível de uma unidade de dispensação de combustível
WO2018222971A1 (en) * 2017-06-02 2018-12-06 Group Dekko, Inc. Pressure-balancing valve
US20210261400A1 (en) * 2020-02-21 2021-08-26 Bartrack, Inc. Monitoring equilibrium and dispensement of a fluid dispensement system to improve quality and efficiency

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228483B (de) * 1960-11-10 1966-11-10 Siemens Ag Magnetischer Antrieb zur Betaetigung von hilfsgesteuerten Fluessigkeitsventilen
US3250293A (en) * 1963-10-17 1966-05-10 American Brake Shoe Co Electric and fluid pressure operated valve mechanism
GB1127081A (en) * 1964-10-02 1968-09-11 Dole Valve Co Improvements in or relating to washing machineshaving fluid control means
DE1263425B (de) * 1965-06-23 1968-03-14 A Fa Hilfsgesteuertes Ventil, dessen Bewegung durch das abzusperrende Druckmittel bewirkt wird
US3365593A (en) * 1965-10-21 1968-01-23 Phillips Petroleum Co Piezoelectric transducers
US3412970A (en) * 1966-05-16 1968-11-26 North American Plastics Resilient insert pilot seat and connector
GB1116474A (en) * 1966-06-14 1968-06-06 Exni Instttut Metallorezhuschi Safety valve
US3468336A (en) * 1967-03-09 1969-09-23 Grand Valley Machine & Tool Co Hydraulic control valve for high pressure hydraulic applications
US3797526A (en) * 1972-08-21 1974-03-19 E Champeon Cage valve with pilot and mechanical operating means
US3980002A (en) * 1972-11-08 1976-09-14 Control Concepts, Inc. Two stage solenoid actuated valve, system, and method of actuation
IT986479B (it) * 1973-06-18 1975-01-30 Marocco A Perfezionamenti nelle elettroval vole differenziali per il control lo di fluidi
DE2648718C2 (de) * 1976-10-27 1978-12-21 Danfoss A/S, Nordborg (Daenemark) Mit Ultraschall arbeitendes Gerät zum Ermitteln physikalischer Größen eines Mediums
US4140012A (en) * 1977-11-07 1979-02-20 Envirotech Corporation Small pipe flowmeter
CH636701A5 (de) * 1979-06-08 1983-06-15 Landis & Gyr Ag Messwertgeber zur bestimmung der durchflussmenge einer stroemenden fluessigkeit mit ultraschall.
US4248270A (en) * 1980-01-11 1981-02-03 The Singer Company Reduced noise water valve provided with flow control
DE3009068A1 (de) * 1980-03-10 1981-09-24 Reinhard Dipl.-Ing. Lerch Piezopolymer-wandler mit fester membranunterstuetzung
US4955507A (en) * 1980-10-29 1990-09-11 The Coca-Cola Company Orange juice dispensing system
US4534537A (en) * 1981-07-13 1985-08-13 Eaton Corporation Pilot operated valve assembly
JPS58106675A (ja) * 1981-12-21 1983-06-25 武蔵株式会社 紙幣選別計数機
US4487333A (en) * 1982-02-26 1984-12-11 Signet Scientific Co. Fluid dispensing system
US4469976A (en) * 1982-07-06 1984-09-04 The United States Of America As Represented By The Secretary Of The Navy Single-side connected transducer
EP0124567B1 (de) * 1982-10-26 1986-11-05 Potterton International Limited Ventile
US4500067A (en) * 1983-02-07 1985-02-19 Eaton Corporation Pilot operated low flow valve
US4577132A (en) * 1983-07-05 1986-03-18 Toray Industries, Inc. Ultrasonic transducer employing piezoelectric polymeric material
US4728844A (en) * 1985-03-23 1988-03-01 Cogent Limited Piezoelectric transducer and components therefor
GB8819838D0 (en) * 1988-08-20 1988-09-21 Eaton Sa Monaco Noise limiter
GB8822239D0 (en) * 1988-09-21 1988-10-26 Caradon Mira Ltd Flow control device
US5033644A (en) * 1989-03-31 1991-07-23 Tentler Michael L Precision dispensing of varying viscosity fluids in a prescribed mix ratio
US5048790A (en) * 1990-07-18 1991-09-17 Target Rock Corporation Self-modulating control valve for high-pressure fluid flow
US5082240A (en) * 1990-12-12 1992-01-21 Emerson Electric Co. Quiet water valve
GB2259156B (en) * 1991-08-24 1995-07-12 Caradon Mira Ltd Fluid mixing apparatus
US5299775A (en) * 1991-10-15 1994-04-05 Kolze, Inc. Flow modulating control valve assembly
US5169117A (en) * 1992-02-27 1992-12-08 Huang Chi King Low power type, motor-controlled magnetic valve

Also Published As

Publication number Publication date
WO1994004286A3 (en) 1994-04-14
DE69321237D1 (de) 1998-10-29
GB9217180D0 (en) 1992-09-23
ES2172042T3 (es) 2002-09-16
EP0655017A1 (de) 1995-05-31
EP0849515A1 (de) 1998-06-24
EP0655017B1 (de) 1998-09-23
DE69331590T2 (de) 2002-09-19
CA2142290A1 (en) 1994-03-03
EP0849515B1 (de) 2002-02-13
AU4716793A (en) 1994-03-15
DE69321237T2 (de) 1999-06-10
WO1994004286A2 (en) 1994-03-03
US5841027A (en) 1998-11-24
US5716038A (en) 1998-02-10

Similar Documents

Publication Publication Date Title
DE69331590D1 (de) Vorgesteuertes Durchflussregelventil
DE69400742T2 (de) Durchflussregelventil
DE69222315D1 (de) Durchflussregelventil
DE69304039T2 (de) Stromregelventil
DE69408626T2 (de) Durchfluss-Steuerventil
DE69316934D1 (de) Verbesserungen an durchflussregelventilen
DK0621427T4 (da) Mængdereguleringsventil
DE59208434D1 (de) Stromregelventil
DE69407704T2 (de) Durchflussregelventil
DE69205191D1 (de) Durchflussregelventil.
DE9309302U1 (de) Stromregelventil
DE69219128D1 (de) Regelventil
NO301946B1 (no) Ventil for fluidregulering
DE69411008T2 (de) Durchflussregelventil
DE69307024D1 (de) Elektromagnetisch betätigtes Durchflussregelventil
DE69201194D1 (de) Gasstromregelventil.
DE69402116D1 (de) Durchflussregelventil
DE9218134U1 (de) Regelventilanordnung
DE4397191T1 (de) Regelventil
KR940008028U (ko) 유량조절밸브
DK37693A (da) Trykstyringsventil
DE69424070D1 (de) Durchflussregelventilsystem
KR950019666U (ko) 유량제어밸브
KR950009037U (ko) 유량조절용 밸브
KR940020940U (ko) 유량자동조절밸브

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee