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WO2002031448A1 - Dispositif de mesure de volume - Google Patents

Dispositif de mesure de volume Download PDF

Info

Publication number
WO2002031448A1
WO2002031448A1 PCT/IE2001/000131 IE0100131W WO0231448A1 WO 2002031448 A1 WO2002031448 A1 WO 2002031448A1 IE 0100131 W IE0100131 W IE 0100131W WO 0231448 A1 WO0231448 A1 WO 0231448A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
tank
liquid
sealed container
load cell
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.)
Ceased
Application number
PCT/IE2001/000131
Other languages
English (en)
Inventor
William Mitchell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2001295843A priority Critical patent/AU2001295843A1/en
Publication of WO2002031448A1 publication Critical patent/WO2002031448A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0038—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm using buoyant probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/20—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3245—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device

Definitions

  • Tankers delivering fuel to garages use either a flow meter or a dipstick to measure the amount of fuel delivered, all of which are, at the best, approximate measurements.
  • the above device gives a very accurate measurement, a device fitted to a tanker plus a device fitted to the storage tank at the garage, would mean no possibility of error.
  • the method of measuring is a combination of displacement and gravity.
  • the device consists of a sealed container that is placed inside of a larger casing. The purpose of which is to stabilize the sealed container.
  • the sealed container is filled 100% with the liquid to be measured.
  • the whole device is to be inserted into the tank or container in such a manner as to keep it vertical and rigid.
  • the sealed inner container is attached to a diaphragm at the top end and a rod is connected through and above the diaphragm and arranged in such a way as to pass over a load cell, which in turn will deliver a reading in analogue or digital when weight is applied.
  • the purpose of the diaphragm is to prevent contact between the liquid and the load cell.
  • a full tank will register 0 units, an empty tank will register
  • A6 is where the rod is mounted so as to bring pressure on the load cell
  • A8 is the housing of the container or tank to which the device is mounted.
  • B2 is the liquid covering 100% of the inside of Bl.
  • B3 is the rod passing through the diaphragm B4.
  • B5 is the housing, which contains the load cell.
  • B7 is the housing of the tank or container.
  • the above device can be manufactured from almost any material, i.e. stainless steel, aluminium, plastic etc, or a combination of metal, plastics, or stainless steel.
  • the simple construction of the device makes it suitable for many applications, i.e. fleet management systems in commercial vehicles, fuel tanks in motorcars, tractors, and fork lift trucks, also public water supply reservoirs.
  • fleet management systems in commercial vehicles, fuel tanks in motorcars, tractors, and fork lift trucks, also public water supply reservoirs.
  • the fact that there are no moving parts to wear makes for great reliability.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel Cell (AREA)

Abstract

L"invention concerne un dispositif comportant un conteneur étanche qui est placé à l"intérieur d"un caisson de grande dimension conçu pour stabiliser le conteneur étanche. Le conteneur étanche est rempli d"un liquide à mesurer. Le dispositif est à insérer dans son intégralité dans une citerne ou un réservoir de sorte à le maintenir verticalement et de manière rigide. Le conteneur intérieur étanche est fixé à une membrane à son extrémité supérieure, membrane à laquelle est reliée une tige de manière à faire descendre une cellule de mesure qui fournit un relevé analogique ou numérique lorsqu"un poids est appliqué.
PCT/IE2001/000131 2000-10-12 2001-10-08 Dispositif de mesure de volume Ceased WO2002031448A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001295843A AU2001295843A1 (en) 2000-10-12 2001-10-08 Volume measurement device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200005597 2000-10-12
ZA2000/5597 2000-10-12

Publications (1)

Publication Number Publication Date
WO2002031448A1 true WO2002031448A1 (fr) 2002-04-18

Family

ID=25588942

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IE2001/000131 Ceased WO2002031448A1 (fr) 2000-10-12 2001-10-08 Dispositif de mesure de volume

Country Status (2)

Country Link
AU (1) AU2001295843A1 (fr)
WO (1) WO2002031448A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300388A (en) * 1979-10-12 1981-11-17 Sun Oil Company Of Pennsylvania Method for leakage measurement
US4945756A (en) * 1989-08-08 1990-08-07 Alert Technologies, Inc. Leakage detection system
EP0828140A1 (fr) * 1996-09-04 1998-03-11 AB Elektronik GmbH Détecteur de niveau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300388A (en) * 1979-10-12 1981-11-17 Sun Oil Company Of Pennsylvania Method for leakage measurement
US4945756A (en) * 1989-08-08 1990-08-07 Alert Technologies, Inc. Leakage detection system
EP0828140A1 (fr) * 1996-09-04 1998-03-11 AB Elektronik GmbH Détecteur de niveau

Also Published As

Publication number Publication date
AU2001295843A1 (en) 2002-04-22

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