NO304667B1 - Anordning for maaling av fluidumnivaa - Google Patents

Anordning for maaling av fluidumnivaa

Info

Publication number
NO304667B1
NO304667B1 NO934822A NO940004A NO304667B1 NO 304667 B1 NO304667 B1 NO 304667B1 NO 934822 A NO934822 A NO 934822A NO 940004 A NO940004 A NO 940004A NO 304667 B1 NO304667 B1 NO 304667B1
Authority
NO
Norway
Prior art keywords
fluid levels
measuring fluid
levels
measuring
fluid
Prior art date
Application number
NO934822A
Other languages
English (en)
Other versions
NO940004L (no
NO940004D0 (no
Inventor
Kurt Olov Edvardsson
Original Assignee
Saab Marine Electronics
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 Saab Marine Electronics filed Critical Saab Marine Electronics
Publication of NO940004D0 publication Critical patent/NO940004D0/no
Publication of NO940004L publication Critical patent/NO940004L/no
Publication of NO304667B1 publication Critical patent/NO304667B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • G01S7/025—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of linearly polarised waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
NO934822A 1991-07-04 1994-01-03 Anordning for maaling av fluidumnivaa NO304667B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102087A SE504682C2 (sv) 1991-07-04 1991-07-04 Anordning för mätning av nivån av ett i en behållare befintligt medium
PCT/SE1992/000486 WO1993001474A1 (en) 1991-07-04 1992-06-26 A device for gauging the level of a fluid

Publications (3)

Publication Number Publication Date
NO940004D0 NO940004D0 (no) 1994-01-03
NO940004L NO940004L (no) 1994-02-16
NO304667B1 true NO304667B1 (no) 1999-01-25

Family

ID=20383255

Family Applications (1)

Application Number Title Priority Date Filing Date
NO934822A NO304667B1 (no) 1991-07-04 1994-01-03 Anordning for maaling av fluidumnivaa

Country Status (13)

Country Link
US (1) US5543720A (no)
EP (1) EP0592584B1 (no)
JP (1) JP3030518B2 (no)
AU (1) AU667478B2 (no)
BR (1) BR9206241A (no)
CA (1) CA2112691A1 (no)
DE (1) DE69216407T2 (no)
DK (1) DK0592584T3 (no)
ES (1) ES2096090T3 (no)
FI (1) FI940020A0 (no)
NO (1) NO304667B1 (no)
SE (1) SE504682C2 (no)
WO (1) WO1993001474A1 (no)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7264944B1 (en) 1989-04-21 2007-09-04 Amgen Inc. TNF receptors, TNF binding proteins and DNAs coding for them
ES2069435T4 (es) * 1991-06-06 1997-06-16 Stichting Centr Diergeneeskund Composicion de vacuna para vacunar animales, en concreto mamiferos y mas concretamente cerdos o cochinos.
DE4336494C2 (de) * 1993-10-26 1995-11-02 Endress Hauser Gmbh Co Vorrichtung zur Füllstandsmessung in Behältern
US5614831A (en) * 1995-02-13 1997-03-25 Saab Marine Electronics Ab Method and apparatus for level gauging using radar in floating roof tanks
EP0947812A1 (de) 1998-03-28 1999-10-06 Endress + Hauser GmbH + Co. Mit Mikrowellen arbeitendes Füllstandsmessgerät
EP1126251A3 (de) * 2000-02-17 2002-05-29 Endress + Hauser GmbH + Co. KG Anordnung zur Füllstandsmessung
US7819003B2 (en) * 2002-06-11 2010-10-26 Intelligent Technologies International, Inc. Remote monitoring of fluid storage tanks
DE10049995A1 (de) 2000-10-10 2002-04-11 Endress Hauser Gmbh Co Füllstandsmessgerät
US6504409B1 (en) 2001-04-17 2003-01-07 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
US6853227B2 (en) * 2001-04-17 2005-02-08 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
SE0102881D0 (sv) * 2001-08-30 2001-08-30 Saab Marine Electronics Radarnivåmätare
US20080250869A1 (en) * 2002-06-11 2008-10-16 Intelligent Technologies International, Inc. Remote Monitoring of Fluid Pipelines
US8994546B2 (en) * 2002-06-11 2015-03-31 Intelligent Technologies International, Inc. Remote monitoring of material storage containers
US6759976B1 (en) 2002-12-20 2004-07-06 Saab Marine Electronics Ab Method and apparatus for radar-based level gauging
US6759977B1 (en) 2002-12-20 2004-07-06 Saab Marine Electronics Ab Method and apparatus for radar-based level gauging
EP1431723B1 (en) * 2002-12-20 2016-03-09 Rosemount Tank Radar AB Method and apparatus for radar-based level gauging
US6987481B2 (en) * 2003-04-25 2006-01-17 Vega Grieshaber Kg Radar filling level measurement using circularly polarized waves
DE112004001982B4 (de) * 2003-10-20 2020-11-26 Rosemount Tank Radar Ab Radarfüllstandsmessgerät mit Antennenanordnung zur verbesserten Radarfüllstandsmessung
US7106247B2 (en) * 2003-10-20 2006-09-12 Saab Rosemount Tank Radar Ab Radar level gauge with antenna arrangement for improved radar level gauging
US6988404B2 (en) 2003-12-11 2006-01-24 Ohmart/Vega Corporation Apparatus for use in measuring fluid levels
DE102005031667A1 (de) * 2005-07-05 2007-01-18 Endress + Hauser Gmbh + Co. Kg Verfahren zur Ermittlung und Überwachung des Füllstands eines Mediums in einem Behälter nach der Laufzeitmessmethode
DE102005057094B4 (de) * 2005-11-30 2013-02-14 Vega Grieshaber Kg Füllstandradar mit variabler Sendeleistung
US7265558B1 (en) 2006-10-05 2007-09-04 Rosemount Tank Radar Ab Radar level gauge using elliptically or circularly polarized waves
US7701385B2 (en) * 2008-05-22 2010-04-20 Rosemount Tank Radar Ab Multi-channel radar level gauge system
US7924217B2 (en) * 2008-06-03 2011-04-12 Rosemount Tank Radar Ab High sensitivity frequency modulated radar level gauge system
DE102011075636A1 (de) * 2011-05-11 2012-11-15 Endress + Hauser Gmbh + Co. Kg Füllstandsmessgerät und Verfahren zur Ermittlung und Überwachung eines Füllstandes eines im Prozessraum eines Behälters befindlichen Mediums
US8970424B2 (en) 2012-10-24 2015-03-03 Rosemount Tank Radar Ab Radar level gauge system with reduced antenna reflection
DE102018213435A1 (de) * 2018-08-09 2020-02-13 Vega Grieshaber Kg Multi-Band-Radar-Antennensystem
US10801873B2 (en) 2018-09-25 2020-10-13 Rosemount Tank Radar Ab System and method for determining level and density distribution
DE102018132285A1 (de) 2018-12-14 2020-06-18 Endress+Hauser SE+Co. KG Füllstandsmessgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB780086A (en) * 1954-12-08 1957-07-31 Kenneth Foster Improvements in and relating to electromagnetic wave radiators
JPS5263387A (en) * 1975-11-20 1977-05-25 Agency Of Ind Science & Technol Measurement of optical anisotropy of dielectric materials using microw aves
US4353041A (en) * 1979-12-05 1982-10-05 Ford Aerospace & Communications Corp. Selectable linear or circular polarization network
SE461179B (sv) * 1989-02-08 1990-01-15 Saab Marine Electronics Anordning foer maetning av nivaan av ett i en behaallare befintligt fluidum
US5351036A (en) * 1991-12-10 1994-09-27 Clark-Reliance Corporation Microwave-based point liquid level monitoring system

Also Published As

Publication number Publication date
AU2291492A (en) 1993-02-11
ES2096090T3 (es) 1997-03-01
CA2112691A1 (en) 1993-01-05
JPH07500181A (ja) 1995-01-05
WO1993001474A1 (en) 1993-01-21
US5543720A (en) 1996-08-06
DE69216407T2 (de) 1997-04-24
EP0592584A1 (en) 1994-04-20
EP0592584B1 (en) 1997-01-02
BR9206241A (pt) 1995-03-14
NO940004L (no) 1994-02-16
FI940020A (fi) 1994-01-04
NO940004D0 (no) 1994-01-03
DK0592584T3 (da) 1997-05-26
AU667478B2 (en) 1996-03-28
JP3030518B2 (ja) 2000-04-10
SE504682C2 (sv) 1997-04-07
SE9102087D0 (sv) 1991-07-04
FI940020A0 (fi) 1994-01-04
DE69216407D1 (de) 1997-02-13
SE9102087L (sv) 1993-01-05

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