FI920436A0 - Laeckagedetekteringssystem. - Google Patents

Laeckagedetekteringssystem.

Info

Publication number
FI920436A0
FI920436A0 FI920436A FI920436A FI920436A0 FI 920436 A0 FI920436 A0 FI 920436A0 FI 920436 A FI920436 A FI 920436A FI 920436 A FI920436 A FI 920436A FI 920436 A0 FI920436 A0 FI 920436A0
Authority
FI
Finland
Prior art keywords
displacer
tank
liquid
vertical axis
sensor
Prior art date
Application number
FI920436A
Other languages
English (en)
Inventor
Garnet Patrick Lewis
John George Crump
Gregory Paul Crump
Original Assignee
Alert Tech 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 Alert Tech Inc filed Critical Alert Tech Inc
Publication of FI920436A0 publication Critical patent/FI920436A0/fi

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Level Indicators Using A Float (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Cosmetics (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
FI920436A 1989-08-08 1992-01-31 Laeckagedetekteringssystem. FI920436A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/391,152 US4945756A (en) 1989-08-08 1989-08-08 Leakage detection system
PCT/US1990/004424 WO1991002958A1 (en) 1989-08-08 1990-08-07 Leakage detection system

Publications (1)

Publication Number Publication Date
FI920436A0 true FI920436A0 (fi) 1992-01-31

Family

ID=23545472

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920436A FI920436A0 (fi) 1989-08-08 1992-01-31 Laeckagedetekteringssystem.

Country Status (10)

Country Link
US (1) US4945756A (fi)
EP (1) EP0486604B1 (fi)
JP (1) JPH04507002A (fi)
AT (1) ATE114811T1 (fi)
AU (1) AU630490B2 (fi)
CA (1) CA2021659A1 (fi)
DE (2) DE4024741A1 (fi)
FI (1) FI920436A0 (fi)
GB (1) GB2234822A (fi)
WO (1) WO1991002958A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132923A (en) * 1990-02-23 1992-07-21 J.A. King & Company, Inc. System for monitoring storage tanks
US5297423A (en) * 1992-07-27 1994-03-29 Integrated Product Systems, Inc. Storage tank and line leakage detection and inventory reconciliation method
US5650303A (en) * 1993-02-26 1997-07-22 Calgene, Inc. Geminivirus-based gene expression system
US5544518A (en) * 1995-06-02 1996-08-13 Veeder-Root Company Apparatus and method for calibrating manifolded tanks
US5665895A (en) * 1995-06-02 1997-09-09 Veeder-Root Company Apparatus and method for calibrating a storage tank
US5614672A (en) * 1996-01-23 1997-03-25 Legendre; W. J. Apparatus for measuring the liquid contents of a tank
US6003366A (en) * 1997-12-09 1999-12-21 Mcgookin; Hugh R. Liquid level indicating method and system
US6125697A (en) * 1998-03-20 2000-10-03 Holton; Bradley R. Apparatus and method for measuring the quantity of liquid in a liquid reservoir
AU2001295843A1 (en) * 2000-10-12 2002-04-22 William Mitchell Volume measurement device
US6662643B1 (en) * 2002-05-30 2003-12-16 Fueling Technologies, Inc. Liquid volume monitor for pressurized tanks
US7209865B2 (en) * 2004-12-29 2007-04-24 Fueling Technologies, Inc. Method and system for remotely processing volumetric data
WO2009042725A1 (en) * 2007-09-24 2009-04-02 Olympus Technologies Inc. Systems and methods for ballasting covers for gas-holding sludge digestors

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US988342A (en) * 1910-06-01 1911-04-04 Theodor Hillmer Device for weighing liquids contained in storage-reservoirs.
US1182672A (en) * 1915-03-10 1916-05-09 John Frame Ship-scale.
US1826024A (en) * 1925-10-31 1931-10-06 Roller Smith Company Electric weighing apparatus
FR872279A (fr) * 1939-05-30 1942-06-03 Ig Farbenindustrie Ag Dispositif indicateur à distance, servant en particulier à mesurer les niveaux de liquides
US2342696A (en) * 1939-05-30 1944-02-29 Rover Martin Liquid level gauge
US2966172A (en) * 1957-07-10 1960-12-27 Oil Metering And Proc Equipmen Overlapping valve assembly
US2993625A (en) * 1960-02-11 1961-07-25 Sperry Rand Corp Continuous integrator weighing apparatus
US3153931A (en) * 1962-07-16 1964-10-27 Bertram Wahl Liquid volume measuring arrangement
DE1225924B (de) * 1963-08-24 1966-09-29 Krohne Fa Ludwig Leckanzeigeeinrichtung fuer Fluessigkeitslager-behaelter
US3269184A (en) * 1964-04-24 1966-08-30 Lummus Co Apparatus for measuring fluid characteristics
US3527096A (en) * 1969-06-26 1970-09-08 Simmonds Precision Products Attitude error correction for a fluid gauging system
DE2235808C3 (de) * 1972-07-21 1975-06-05 Josef 7114 Pfedelbach Woehrl KraftmeBzelle
US3788356A (en) * 1972-08-03 1974-01-29 A Moen Faucet construction
IT1015999B (it) * 1974-05-14 1977-05-20 Isam Spa Dispositivo per la misura pondera le di erogazione di liquidi
CH580803A5 (fi) * 1975-02-04 1976-10-15 Mettler Instrumente Ag
US4095463A (en) * 1975-11-17 1978-06-20 Eric Thomas Scriven Dynamometer cell
EP0003170A1 (en) * 1978-01-18 1979-07-25 Plint And Partners Limited Apparatus for measuring fuel consumption of a liquid-fuel burning engine
US4244218A (en) * 1978-10-20 1981-01-13 Eric Thomas Scriven Fluid measuring device
US4300388A (en) * 1979-10-12 1981-11-17 Sun Oil Company Of Pennsylvania Method for leakage measurement
US4368640A (en) * 1981-01-29 1983-01-18 The United States Of America As Represented By The United States Department Of Energy Liquid level sensing device
US4387778A (en) * 1981-02-25 1983-06-14 Josef Wohrl Fluid weighing device and method for its callibration and testing
US4630467A (en) * 1982-01-18 1986-12-23 Senese Frank J Leak detector
US4604893A (en) * 1982-01-18 1986-08-12 Atlantic Richfield Company Leak detector
US4453400A (en) * 1982-01-18 1984-06-12 Atlantic Richfield Company Leak detector
US4483192A (en) * 1982-03-24 1984-11-20 Wachter William J Water level indicator for nuclear reactor vessel
US4646560A (en) * 1986-02-21 1987-03-03 Vista Research, Inc. System and method for leak detection in liquid storage tanks
US4796469A (en) * 1987-03-16 1989-01-10 B-Conn, Inc. Apparatus and process for measuring change of liquid level in storage tanks

Also Published As

Publication number Publication date
EP0486604A4 (en) 1992-08-26
AU6027390A (en) 1991-02-14
ATE114811T1 (de) 1994-12-15
JPH04507002A (ja) 1992-12-03
DE69014635D1 (de) 1995-01-12
US4945756A (en) 1990-08-07
GB9017387D0 (en) 1990-09-19
GB2234822A (en) 1991-02-13
EP0486604B1 (en) 1994-11-30
WO1991002958A1 (en) 1991-03-07
DE4024741A1 (de) 1991-02-14
EP0486604A1 (en) 1992-05-27
AU630490B2 (en) 1992-10-29
CA2021659A1 (en) 1991-02-09

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Legal Events

Date Code Title Description
FD Application lapsed