WO1994004286A3 - Ameliorations concernant la distribution de fluides - Google Patents

Ameliorations concernant la distribution de fluides Download PDF

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Publication number
WO1994004286A3
WO1994004286A3 PCT/GB1993/001579 GB9301579W WO9404286A3 WO 1994004286 A3 WO1994004286 A3 WO 1994004286A3 GB 9301579 W GB9301579 W GB 9301579W WO 9404286 A3 WO9404286 A3 WO 9404286A3
Authority
WO
WIPO (PCT)
Prior art keywords
fed
flow
way
flow rate
rate
Prior art date
Application number
PCT/GB1993/001579
Other languages
English (en)
Other versions
WO1994004286A2 (fr
Inventor
Michael Frederick Scarffe
Original Assignee
Aztec Dev 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 Dev Ltd filed Critical Aztec Dev Ltd
Priority to DE69321237T priority Critical patent/DE69321237T2/de
Priority to AU47167/93A priority patent/AU4716793A/en
Priority to EP93917920A priority patent/EP0655017B1/fr
Priority to GB9502544A priority patent/GB2284320B/en
Priority to US08/381,909 priority patent/US5716038A/en
Publication of WO1994004286A2 publication Critical patent/WO1994004286A2/fr
Publication of WO1994004286A3 publication Critical patent/WO1994004286A3/fr

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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Un appareil, qui permet de distribuer des boissons mélangées, comporte un processeur (6) chargé de mesurer le liquide distribué à une sortie (2) selon la demande que l'utilisateur tape sur un clavier (8). Une conduite (12) amène de l'eau gazeuse à la sortie (2) et une autre conduite (20) y amène un concentré de sirop. L'eau et le sirop sont mélangés en quantités appropriées par des soupapes de dosage respectives (14) qui adaptent la quantité ou le débit des deux constituants, qui passent par une chambre de mélange (16), en fonction des lectures de débits fournies au processeur (6) par leurs transducteurs de flux respectifs (22). Ces derniers mesurent la vitesse de flux par ultrasons et peuvent donner des lectures de débit au rythme de 50 par seconde. Les soupapes de dosage (14) peuvent régler les quantités amenées à la chambre de mélange (16) à un rythme similaire pour que le mélange soit déterminé de manière fiable, même en cas de chutes de pression ou de changements de vicosité transitoires survenant dans l'appareil.
PCT/GB1993/001579 1992-08-13 1993-07-27 Ameliorations concernant la distribution de fluides WO1994004286A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE69321237T DE69321237T2 (de) 1992-08-13 1993-07-27 Piezoelektrische messfühler und durchflussmesser
AU47167/93A AU4716793A (en) 1992-08-13 1993-07-27 Improvements in or relating to the dispensing of fluids
EP93917920A EP0655017B1 (fr) 1992-08-13 1993-07-27 Capteur piezoelectrique et debitmetre
GB9502544A GB2284320B (en) 1992-08-13 1993-07-27 Improvements in or relating to the dispensing of fluids
US08/381,909 US5716038A (en) 1992-08-13 1993-07-27 Proportional flow control valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9217180.0 1992-08-13
GB929217180A GB9217180D0 (en) 1992-08-13 1992-08-13 Improvements in or relating to the dispensing of fluids

Publications (2)

Publication Number Publication Date
WO1994004286A2 WO1994004286A2 (fr) 1994-03-03
WO1994004286A3 true WO1994004286A3 (fr) 1994-04-14

Family

ID=10720277

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/001579 WO1994004286A2 (fr) 1992-08-13 1993-07-27 Ameliorations concernant la distribution de fluides

Country Status (8)

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

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Title
LEWIN ET AL: "Wide-band piezoelectric polymer acoustic sources", IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS AND FREQUENCY CONTROL, vol. 35, no. 2, March 1988 (1988-03-01), NEW YORK US, pages 175 - 184, XP000795364, DOI: doi:10.1109/58.4168 *

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DE69331590T2 (de) 2002-09-19
ES2172042T3 (es) 2002-09-16
CA2142290A1 (fr) 1994-03-03
DE69321237T2 (de) 1999-06-10
DE69321237D1 (de) 1998-10-29
EP0655017A1 (fr) 1995-05-31
GB9217180D0 (en) 1992-09-23
EP0849515B1 (fr) 2002-02-13
DE69331590D1 (de) 2002-03-21
AU4716793A (en) 1994-03-15
WO1994004286A2 (fr) 1994-03-03
EP0655017B1 (fr) 1998-09-23
EP0849515A1 (fr) 1998-06-24
US5841027A (en) 1998-11-24
US5716038A (en) 1998-02-10

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