CA2323558A1 - Multiple process product interface detection for a low power radar level transmitter - Google Patents

Multiple process product interface detection for a low power radar level transmitter Download PDF

Info

Publication number
CA2323558A1
CA2323558A1 CA002323558A CA2323558A CA2323558A1 CA 2323558 A1 CA2323558 A1 CA 2323558A1 CA 002323558 A CA002323558 A CA 002323558A CA 2323558 A CA2323558 A CA 2323558A CA 2323558 A1 CA2323558 A1 CA 2323558A1
Authority
CA
Canada
Prior art keywords
pulse
product
reflected wave
dielectric constant
level
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.)
Abandoned
Application number
CA002323558A
Other languages
English (en)
French (fr)
Inventor
Kurt C. Diede
Brian E. Richter
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.)
Rosemount Inc
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
Publication of CA2323558A1 publication Critical patent/CA2323558A1/en
Abandoned legal-status Critical Current

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
    • 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
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • 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
    • G01F23/22—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA002323558A 1999-01-21 2000-01-18 Multiple process product interface detection for a low power radar level transmitter Abandoned CA2323558A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/234,999 US6198424B1 (en) 1999-01-21 1999-01-21 Multiple process product interface detection for a low power radar level transmitter
US09/234,999 1999-01-21
PCT/US2000/001076 WO2000043739A1 (en) 1999-01-21 2000-01-18 Multiple process product interface detection for a low power radar level transmitter

Publications (1)

Publication Number Publication Date
CA2323558A1 true CA2323558A1 (en) 2000-07-27

Family

ID=22883636

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002323558A Abandoned CA2323558A1 (en) 1999-01-21 2000-01-18 Multiple process product interface detection for a low power radar level transmitter

Country Status (9)

Country Link
US (1) US6198424B1 (enExample)
EP (1) EP1066500B1 (enExample)
JP (1) JP2002535641A (enExample)
CN (1) CN1213284C (enExample)
AU (1) AU2614900A (enExample)
BR (1) BR0004311A (enExample)
CA (1) CA2323558A1 (enExample)
DE (1) DE60034631T2 (enExample)
WO (1) WO2000043739A1 (enExample)

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CN109724672A (zh) * 2019-03-01 2019-05-07 北京锐达仪表有限公司 电磁波料位开关的发射器及电磁波料位开关

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US20170087526A1 (en) * 2014-06-04 2017-03-30 Schlumberger Technology Corporation Fluid condition monitoring using energized wave signals
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CN109357729B (zh) * 2018-11-13 2020-06-02 中国科学院沈阳自动化研究所 一种基于导波雷达液位计测量液体界位的方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109724672A (zh) * 2019-03-01 2019-05-07 北京锐达仪表有限公司 电磁波料位开关的发射器及电磁波料位开关
CN109724672B (zh) * 2019-03-01 2021-02-02 北京锐达仪表有限公司 电磁波料位开关的发射器及电磁波料位开关

Also Published As

Publication number Publication date
AU2614900A (en) 2000-08-07
WO2000043739A1 (en) 2000-07-27
CN1293755A (zh) 2001-05-02
US6198424B1 (en) 2001-03-06
EP1066500A1 (en) 2001-01-10
CN1213284C (zh) 2005-08-03
DE60034631T2 (de) 2008-01-10
BR0004311A (pt) 2000-11-21
JP2002535641A (ja) 2002-10-22
EP1066500B1 (en) 2007-05-02
DE60034631D1 (de) 2007-06-14

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Legal Events

Date Code Title Description
FZDE Discontinued