JPH04503407A - レーダレベルゲージ装置 - Google Patents
レーダレベルゲージ装置Info
- Publication number
- JPH04503407A JPH04503407A JP2503031A JP50303190A JPH04503407A JP H04503407 A JPH04503407 A JP H04503407A JP 2503031 A JP2503031 A JP 2503031A JP 50303190 A JP50303190 A JP 50303190A JP H04503407 A JPH04503407 A JP H04503407A
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- symmetry
- axis
- polarization
- plane
- 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.)
- Granted
Links
Classifications
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- 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
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- 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
- G01S7/40—Means for monitoring or calibrating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
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- 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
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/034—Control means using wireless transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
- F17C2250/0417—Level of content in the vessel with electrical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
- F17C2260/024—Improving metering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/908—Material level detection, e.g. liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (7)
- (1)容器内の流体、すなわち流動性または顆粒状物質、好敵には超過圧下で濃 縮するガスのレベルを計測する装置であって、壁部に設けた多数の比較的小さい 孔で、前記流体と連通することにより、その内部の流体レベルが、容器内のレベ ルと同一になるように構成された縦管と、前記縦管を介して、偏波自在のマイク ロ波信号を送出するとともに、前記マイクロ波信号を通過させるのに充分な大き さの断面を有するトランスミッターと、 反射されたマイクロ波信号の反射位置を特定しうるようになっている電子装置と を備えており、かつ 好敵には、90度の相対角度を形成する第1および第2偏波面において、前記ト ランスミッターから放射されたマイクロ波信号を、偏波できるように配設された 偏波手段(6)(7)および 前記第1偏波面において、前記第2偏波面よりかなり強く、前記マイクロ波信号 を反射させるように前記縦管(1)内に配設された少なくとも1個の反射リアク タンス(10)を備えていることを特徴とする装置。
- (2)前記トランスミッターが、1モード、好敵にはH11モードで伝搬する円 形導波管(5)からなることを特徴とする請求の範囲(1)に記載の装置。
- (3)前記偏波手段が、ポリマー等の誘電材で形成された実質的に平らなプレー ト(7)からなり、その平面が前記導波管の対称軸と実質的に平行となるように 、前記導波管の直径全体にわたって延びるように配設されており、前記プレート が前記その平面が2位置において、45度の角度を形成するように、前記導波管 の対称軸を中心として、2位置間で回転できるようになっていることを特徴とす る請求の範囲(1)または(2)に記載の装置。
- (4)前記偏波手段が、その平面が前記導波管の直径全体にわたらない程度に、 前記導波管の対称軸と、ほぼ平行となるように配設された少くとも1枚の金属平 板からなり、前記平板が、前記平板の平面が2位置において、45度の角度を形 成するように、前記導波管の対称軸を中心として、2位置間で回転できるように なっていることを特徴とする請求の範囲(1)または(2)に記載の装置。
- (5)前記偏波手段が、長円形の断面形を有する導波管(3A)の一部であり、 前記導波管の一部が、その縦対称平面が2位置間で45度の角度を形成するよう に、対称軸を中心として2位置間で任意に回転できるように配設されていること を特徴とする請求の範囲(1)または(2)に記載の装置。
- (6)前記リアクタンスが、その縦方向が、前記管(1)の縦軸に対して直角に 、好敵には前記管(1)の直径方向に延びるように配設された、比較的細い金属 ピン(10)で形成されていることを特徴とする請求の範囲(1)乃至(5)の いずれかに記載の装置。
- (7)前記リアクタンスが、その縦方向が、前記管(1)の縦軸に対して直角に なるように前記管の壁面に設けられた孔(11)で形成されていることを特徴と する請求の範囲(1)乃至(5)のいずれかに記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900424-6 | 1989-02-08 | ||
SE8900424A SE461179B (sv) | 1989-02-08 | 1989-02-08 | Anordning foer maetning av nivaan av ett i en behaallare befintligt fluidum |
PCT/SE1990/000019 WO1990009599A1 (en) | 1989-02-08 | 1990-01-11 | Device at a radar level gauge |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04503407A true JPH04503407A (ja) | 1992-06-18 |
JPH0687025B2 JPH0687025B2 (ja) | 1994-11-02 |
Family
ID=20374980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2503031A Expired - Fee Related JPH0687025B2 (ja) | 1989-02-08 | 1990-01-11 | レーダレベルゲージ装置 |
Country Status (15)
Country | Link |
---|---|
US (1) | US5136299A (ja) |
EP (1) | EP0457801B1 (ja) |
JP (1) | JPH0687025B2 (ja) |
KR (1) | KR940011330B1 (ja) |
AU (1) | AU623980B2 (ja) |
BR (1) | BR9007108A (ja) |
CA (1) | CA2044584C (ja) |
DE (1) | DE69008514T2 (ja) |
DK (1) | DK0457801T3 (ja) |
ES (1) | ES2055901T3 (ja) |
FI (1) | FI913743A0 (ja) |
NO (1) | NO179537C (ja) |
SA (1) | SA90100110B1 (ja) |
SE (1) | SE461179B (ja) |
WO (1) | WO1990009599A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006506639A (ja) * | 2002-11-20 | 2006-02-23 | サーブ ローズマウント タンク レーダー アクチボラゲット | レーダを利用した液位測定装置及び測定方法 |
JP2011221025A (ja) * | 2010-04-12 | 2011-11-04 | Kongsberg Maritime As | 液体の密度を測定するための方法および装置 |
CN105841778A (zh) * | 2015-01-13 | 2016-08-10 | 桓达科技股份有限公司 | 接触式雷达检测装置 |
JP2016161341A (ja) * | 2015-02-27 | 2016-09-05 | 桓達科技股▲ふん▼有限公司FINETEK Co.,Ltd. | 接触式レーダー探知装置 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE504682C2 (sv) * | 1991-07-04 | 1997-04-07 | Saab Marine Electronics | Anordning för mätning av nivån av ett i en behållare befintligt medium |
US5305237A (en) * | 1991-07-12 | 1994-04-19 | Union Tank Car Company | Method and apparatus for monitoring a flowable material in a transportable vessel |
DE4241910C2 (de) * | 1992-12-11 | 1996-08-01 | Endress Hauser Gmbh Co | Mit Mikrowellen arbeitendes Füllstandsmeßgerät |
US5406842A (en) * | 1993-10-07 | 1995-04-18 | Motorola, Inc. | Method and apparatus for material level measurement using stepped frequency microwave signals |
KR100325641B1 (ko) * | 1993-10-19 | 2002-08-27 | 무사시노 컴퍼니 리미티드 | 레벨계 |
US5440310A (en) * | 1994-02-14 | 1995-08-08 | Motorola, Inc. | Bandwidth synthesized radar level measurement method and apparatus |
US5847567A (en) * | 1994-09-30 | 1998-12-08 | Rosemount Inc. | Microwave level gauge with remote transducer |
US5703289A (en) * | 1995-02-01 | 1997-12-30 | Magnetrol International, Inc. | Microwave transmitter housing |
US5614831A (en) * | 1995-02-13 | 1997-03-25 | Saab Marine Electronics Ab | Method and apparatus for level gauging using radar in floating roof tanks |
US6155112A (en) * | 1996-10-04 | 2000-12-05 | Endress + Hauser Gmbh + Co. | Filling level measuring device operating with microwaves |
DE19723646C2 (de) * | 1997-06-05 | 1999-07-29 | Endress Hauser Gmbh Co | Verfahren zur Messung des Füllstands eines Füllguts in einem Behälter nach dem Radarprinzip |
EP0887658B1 (en) * | 1997-06-27 | 2004-08-25 | EADS Deutschland GmbH | Radar level gauge |
DE19810601A1 (de) | 1998-03-12 | 1999-09-16 | Daimler Benz Aerospace Ag | Anordnung zur Füllstandsmessung |
EP0955528B1 (de) * | 1998-05-06 | 2006-11-08 | Endress + Hauser GmbH + Co. KG | Verfahren zur Messung des Füllstands eines Füllguts in einem Behälter nach dem Radarprinzip |
SE516597C2 (sv) | 1999-07-02 | 2002-02-05 | Saab Marine Electronics | Metod och anordning vid vätskenivåmätning medelst radarstrålning |
EP1242793B1 (en) * | 1999-07-02 | 2008-08-13 | Rosemount Tank Radar AB | Method and device for liquid level measurement by means of radar radiation |
SE9904521L (sv) * | 1999-12-10 | 2001-06-11 | Saab Marine Electronics | Anordning vid nivåmätning i tankar |
CN1270167C (zh) * | 2001-07-27 | 2006-08-16 | 恩德莱斯和豪瑟尔两合公司 | 用于估计基于传播时间的测量设备的测量信号的方法 |
SE0102881D0 (sv) * | 2001-08-30 | 2001-08-30 | Saab Marine Electronics | Radarnivåmätare |
US6915689B2 (en) * | 2002-11-21 | 2005-07-12 | Saab Rosemount Tank Radar Ab | Apparatus and method for radar-based level gauging |
EP1422503B1 (en) | 2002-11-20 | 2016-04-27 | Rosemount Tank Radar AB | Apparatus and method 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 |
US6988404B2 (en) | 2003-12-11 | 2006-01-24 | Ohmart/Vega Corporation | Apparatus for use in measuring fluid levels |
US6995706B2 (en) * | 2004-02-13 | 2006-02-07 | Saab Rosemount Tank Radar Ab | Method and an arrangement in a radar level gauging system |
US7113125B2 (en) * | 2004-12-16 | 2006-09-26 | International Business Machines Corporation | Method for measuring material level in a container using RFID tags |
US7467548B2 (en) * | 2005-10-14 | 2008-12-23 | Rosemount Tank Radar Ab | Radar level gauge system and coupling |
NO323548B1 (no) * | 2005-10-28 | 2007-06-11 | Kongsberg Maritime As | Nivamaler |
DE102006014010B4 (de) * | 2006-03-27 | 2009-01-08 | Vega Grieshaber Kg | Hohlleiterübergang mit Entkopplungselement für planare Hohlleitereinkopplungen |
US7532155B2 (en) * | 2006-04-10 | 2009-05-12 | Rosemount Tank Radar Ab | Radar level gauging system |
US8437843B1 (en) | 2006-06-16 | 2013-05-07 | Cleveland Medical Devices Inc. | EEG data acquisition system with novel features |
US8100006B2 (en) * | 2006-08-21 | 2012-01-24 | Engineering Technologies Canada Ltd. | Liquid level measurement device and installation incorporating the same |
US8631696B2 (en) * | 2008-08-12 | 2014-01-21 | Enraf, B.V. | Apparatus and method for monitoring tanks in an inventory management system |
US8018373B2 (en) * | 2008-12-19 | 2011-09-13 | Rosemount Tank Radar Ab | System and method for filling level determination |
US7741993B1 (en) * | 2009-07-28 | 2010-06-22 | Equistar Chemicals, Lp | Method for locating the surface of a polymer particle bed |
HUE046226T2 (hu) * | 2011-09-06 | 2020-02-28 | Stamicarbon | Radar szint mérés |
US8970424B2 (en) * | 2012-10-24 | 2015-03-03 | Rosemount Tank Radar Ab | Radar level gauge system with reduced antenna reflection |
JP5952168B2 (ja) * | 2012-11-02 | 2016-07-13 | ムサシノ機器株式会社 | 液位測定装置 |
US9336074B2 (en) | 2013-07-26 | 2016-05-10 | Honeywell International Inc. | Apparatus and method for detecting a fault with a clock source |
JP6309039B2 (ja) * | 2016-04-12 | 2018-04-11 | ムサシノ機器株式会社 | 伝搬モードトランスデューサ |
US10801873B2 (en) | 2018-09-25 | 2020-10-13 | Rosemount Tank Radar Ab | System and method for determining level and density distribution |
CN114542964B (zh) * | 2022-01-06 | 2023-08-04 | 合肥通用机械研究院有限公司 | 一种用于液氢储运系统可在线维护的温度测量装置 |
DE102023200032A1 (de) | 2023-01-03 | 2024-07-04 | Vega Grieshaber Kg | Füllstandmessvorrichtung und verfahren |
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JPS4831863B1 (ja) * | 1965-03-08 | 1973-10-02 | ||
US4170765A (en) * | 1975-04-17 | 1979-10-09 | Marvtek, Corporation | Liquid level sensor |
SE441306B (sv) * | 1984-04-25 | 1985-09-23 | Saab Marine Electronics | Sett och anordning for metning av nivan hos ett i en behallare forvarat flytande material |
US4566321A (en) * | 1985-01-18 | 1986-01-28 | Transamerica Delaval Inc. | Microwave tank-contents level measuring assembly with lens-obturated wall-opening |
JPS61290378A (ja) * | 1985-06-17 | 1986-12-20 | Ishikawajima Harima Heavy Ind Co Ltd | 竪型炉内の堆積量測定装置 |
GB2181304B (en) * | 1985-10-03 | 1989-09-27 | Gen Electric Plc | Antenna feed polariser |
SE466519B (sv) * | 1989-04-10 | 1992-02-24 | Saab Marine Electronics | Anordning foer maetning av nivaan av ett i en behaallare befintligt fluidum |
-
1989
- 1989-02-08 SE SE8900424A patent/SE461179B/sv not_active IP Right Cessation
-
1990
- 1990-01-11 EP EP90902860A patent/EP0457801B1/en not_active Expired - Lifetime
- 1990-01-11 ES ES90902860T patent/ES2055901T3/es not_active Expired - Lifetime
- 1990-01-11 DE DE69008514T patent/DE69008514T2/de not_active Expired - Fee Related
- 1990-01-11 DK DK90902860.7T patent/DK0457801T3/da active
- 1990-01-11 WO PCT/SE1990/000019 patent/WO1990009599A1/en active IP Right Grant
- 1990-01-11 AU AU50385/90A patent/AU623980B2/en not_active Ceased
- 1990-01-11 KR KR1019910700654A patent/KR940011330B1/ko not_active IP Right Cessation
- 1990-01-11 BR BR909007108A patent/BR9007108A/pt not_active IP Right Cessation
- 1990-01-11 US US07/687,914 patent/US5136299A/en not_active Expired - Lifetime
- 1990-01-11 JP JP2503031A patent/JPH0687025B2/ja not_active Expired - Fee Related
- 1990-01-11 CA CA002044584A patent/CA2044584C/en not_active Expired - Lifetime
- 1990-02-21 SA SA90100110A patent/SA90100110B1/ar unknown
-
1991
- 1991-06-12 NO NO912255A patent/NO179537C/no unknown
- 1991-08-07 FI FI913743A patent/FI913743A0/fi not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006506639A (ja) * | 2002-11-20 | 2006-02-23 | サーブ ローズマウント タンク レーダー アクチボラゲット | レーダを利用した液位測定装置及び測定方法 |
JP4695394B2 (ja) * | 2002-11-20 | 2011-06-08 | ローズマウント タンク レーダー アクチボラゲット | レーダを利用した液位測定装置及び測定方法 |
JP2011221025A (ja) * | 2010-04-12 | 2011-11-04 | Kongsberg Maritime As | 液体の密度を測定するための方法および装置 |
CN105841778A (zh) * | 2015-01-13 | 2016-08-10 | 桓达科技股份有限公司 | 接触式雷达检测装置 |
JP2016161341A (ja) * | 2015-02-27 | 2016-09-05 | 桓達科技股▲ふん▼有限公司FINETEK Co.,Ltd. | 接触式レーダー探知装置 |
Also Published As
Publication number | Publication date |
---|---|
DK0457801T3 (da) | 1994-09-05 |
KR940011330B1 (ko) | 1994-12-05 |
NO912255D0 (no) | 1991-06-12 |
BR9007108A (pt) | 1991-11-26 |
US5136299A (en) | 1992-08-04 |
DE69008514D1 (de) | 1994-06-01 |
EP0457801B1 (en) | 1994-04-27 |
CA2044584A1 (en) | 1990-08-09 |
SA90100110B1 (ar) | 1999-06-26 |
FI913743A0 (fi) | 1991-08-07 |
NO179537B (no) | 1996-07-15 |
KR920701834A (ko) | 1992-08-12 |
EP0457801A1 (en) | 1991-11-27 |
CA2044584C (en) | 1996-06-25 |
NO179537C (no) | 1996-10-23 |
AU623980B2 (en) | 1992-05-28 |
SE8900424D0 (sv) | 1989-02-08 |
ES2055901T3 (es) | 1994-09-01 |
WO1990009599A1 (en) | 1990-08-23 |
NO912255L (no) | 1991-06-12 |
AU5038590A (en) | 1990-09-05 |
DE69008514T2 (de) | 1994-08-18 |
JPH0687025B2 (ja) | 1994-11-02 |
SE461179B (sv) | 1990-01-15 |
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