SE504682C2 - Anordning för mätning av nivån av ett i en behållare befintligt medium - Google Patents
Anordning för mätning av nivån av ett i en behållare befintligt mediumInfo
- Publication number
- SE504682C2 SE504682C2 SE9102087A SE9102087A SE504682C2 SE 504682 C2 SE504682 C2 SE 504682C2 SE 9102087 A SE9102087 A SE 9102087A SE 9102087 A SE9102087 A SE 9102087A SE 504682 C2 SE504682 C2 SE 504682C2
- Authority
- SE
- Sweden
- Prior art keywords
- microwave signal
- section
- waveguide
- guide
- waveguide section
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Waveguide Aerials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (13)
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 |
US08/170,305 US5543720A (en) | 1991-07-04 | 1992-06-26 | Device for gauging the level of a fluid |
JP5501770A JP3030518B2 (ja) | 1991-07-04 | 1992-06-26 | 流体レベルを計測するための装置 |
BR9206241A BR9206241A (pt) | 1991-07-04 | 1992-06-26 | Dispositivo para indicar o nível de um fluido |
DK92915228.8T DK0592584T3 (da) | 1991-07-04 | 1992-06-26 | Anordning til måling af niveauet af en væske |
DE69216407T DE69216407T2 (de) | 1991-07-04 | 1992-06-26 | Flüssigkeitspegelanzeiger |
AU22914/92A AU667478B2 (en) | 1991-07-04 | 1992-06-26 | A device for gauging the level of a fluid |
PCT/SE1992/000486 WO1993001474A1 (en) | 1991-07-04 | 1992-06-26 | A device for gauging the level of a fluid |
EP92915228A EP0592584B1 (en) | 1991-07-04 | 1992-06-26 | A device for gauging the level of a fluid |
ES92915228T ES2096090T3 (es) | 1991-07-04 | 1992-06-26 | Un dispositivo para la medicion del nivel de un fluido. |
CA002112691A CA2112691A1 (en) | 1991-07-04 | 1992-06-26 | A device for gauging the level of a fluid |
NO934822A NO304667B1 (no) | 1991-07-04 | 1994-01-03 | Anordning for maaling av fluidumnivaa |
FI940020A FI940020A (fi) | 1991-07-04 | 1994-01-04 | Laite juoksevan aineen tason mittaamiseksi |
Applications Claiming Priority (1)
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 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9102087D0 SE9102087D0 (sv) | 1991-07-04 |
SE9102087L SE9102087L (sv) | 1993-01-05 |
SE504682C2 true SE504682C2 (sv) | 1997-04-07 |
Family
ID=20383255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9102087A SE504682C2 (sv) | 1991-07-04 | 1991-07-04 | Anordning för mätning av nivån av ett i en behållare befintligt medium |
Country Status (13)
Country | Link |
---|---|
US (1) | US5543720A (pt) |
EP (1) | EP0592584B1 (pt) |
JP (1) | JP3030518B2 (pt) |
AU (1) | AU667478B2 (pt) |
BR (1) | BR9206241A (pt) |
CA (1) | CA2112691A1 (pt) |
DE (1) | DE69216407T2 (pt) |
DK (1) | DK0592584T3 (pt) |
ES (1) | ES2096090T3 (pt) |
FI (1) | FI940020A (pt) |
NO (1) | NO304667B1 (pt) |
SE (1) | SE504682C2 (pt) |
WO (1) | WO1993001474A1 (pt) |
Families Citing this family (30)
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 |
CA2103460C (en) * | 1991-06-06 | 2000-09-26 | Gert Wensvoort | Causative agent of the mystery swine disease, vaccine compositions and diagnostic kits |
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 |
US6853227B2 (en) * | 2001-04-17 | 2005-02-08 | K-Tek Corporation | Controller for generating a periodic signal with an adjustable duty cycle |
US6504409B1 (en) | 2001-04-17 | 2003-01-07 | 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 |
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 |
US6759976B1 (en) * | 2002-12-20 | 2004-07-06 | Saab Marine Electronics 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 |
US7106247B2 (en) * | 2003-10-20 | 2006-09-12 | Saab Rosemount Tank Radar Ab | Radar level gauge with antenna arrangement for improved radar level gauging |
DE112004001982B4 (de) * | 2003-10-20 | 2020-11-26 | Rosemount Tank Radar Ab | Radarfüllstandsmessgerät mit Antennenanordnung zur verbesserten Radarfüllstandsmessung |
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)
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 |
-
1991
- 1991-07-04 SE SE9102087A patent/SE504682C2/sv not_active IP Right Cessation
-
1992
- 1992-06-26 WO PCT/SE1992/000486 patent/WO1993001474A1/en active IP Right Grant
- 1992-06-26 US US08/170,305 patent/US5543720A/en not_active Expired - Lifetime
- 1992-06-26 JP JP5501770A patent/JP3030518B2/ja not_active Expired - Fee Related
- 1992-06-26 DK DK92915228.8T patent/DK0592584T3/da active
- 1992-06-26 CA CA002112691A patent/CA2112691A1/en not_active Abandoned
- 1992-06-26 ES ES92915228T patent/ES2096090T3/es not_active Expired - Lifetime
- 1992-06-26 EP EP92915228A patent/EP0592584B1/en not_active Expired - Lifetime
- 1992-06-26 DE DE69216407T patent/DE69216407T2/de not_active Expired - Fee Related
- 1992-06-26 BR BR9206241A patent/BR9206241A/pt not_active IP Right Cessation
- 1992-06-26 AU AU22914/92A patent/AU667478B2/en not_active Ceased
-
1994
- 1994-01-03 NO NO934822A patent/NO304667B1/no unknown
- 1994-01-04 FI FI940020A patent/FI940020A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2112691A1 (en) | 1993-01-05 |
SE9102087L (sv) | 1993-01-05 |
DE69216407D1 (de) | 1997-02-13 |
SE9102087D0 (sv) | 1991-07-04 |
FI940020A0 (fi) | 1994-01-04 |
NO940004D0 (no) | 1994-01-03 |
NO940004L (no) | 1994-02-16 |
EP0592584A1 (en) | 1994-04-20 |
JPH07500181A (ja) | 1995-01-05 |
AU2291492A (en) | 1993-02-11 |
JP3030518B2 (ja) | 2000-04-10 |
WO1993001474A1 (en) | 1993-01-21 |
ES2096090T3 (es) | 1997-03-01 |
EP0592584B1 (en) | 1997-01-02 |
AU667478B2 (en) | 1996-03-28 |
BR9206241A (pt) | 1995-03-14 |
DK0592584T3 (da) | 1997-05-26 |
FI940020A (fi) | 1994-01-04 |
DE69216407T2 (de) | 1997-04-24 |
NO304667B1 (no) | 1999-01-25 |
US5543720A (en) | 1996-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |