ATE194713T1 - Kapazitive, hermetisch dichte, eigensichere hochdruck-messsonde - Google Patents

Kapazitive, hermetisch dichte, eigensichere hochdruck-messsonde

Info

Publication number
ATE194713T1
ATE194713T1 AT94114564T AT94114564T ATE194713T1 AT E194713 T1 ATE194713 T1 AT E194713T1 AT 94114564 T AT94114564 T AT 94114564T AT 94114564 T AT94114564 T AT 94114564T AT E194713 T1 ATE194713 T1 AT E194713T1
Authority
AT
Austria
Prior art keywords
high pressure
capacitive
pressure measuring
measuring probe
intrinsically safe
Prior art date
Application number
AT94114564T
Other languages
English (en)
Inventor
Gary Glenn Sanders
Brian Craig Gorge
Burt Leroy Beach
Original Assignee
Penberthy 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 Penberthy Inc filed Critical Penberthy Inc
Application granted granted Critical
Publication of ATE194713T1 publication Critical patent/ATE194713T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • 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
    • 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/226—Construction of measuring vessels; Electrodes therefor
    • 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
    • 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
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0495—Indicating or measuring characterised by the location the indicated parameter is a converted measured parameter
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Insulators (AREA)
AT94114564T 1993-09-17 1994-09-15 Kapazitive, hermetisch dichte, eigensichere hochdruck-messsonde ATE194713T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/122,849 US5481197A (en) 1993-09-17 1993-09-17 High pressure, leak resistant explosionproof capacitance probe

Publications (1)

Publication Number Publication Date
ATE194713T1 true ATE194713T1 (de) 2000-07-15

Family

ID=22405155

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94114564T ATE194713T1 (de) 1993-09-17 1994-09-15 Kapazitive, hermetisch dichte, eigensichere hochdruck-messsonde

Country Status (14)

Country Link
US (1) US5481197A (de)
EP (1) EP0650048B1 (de)
KR (1) KR950009270A (de)
CN (1) CN1111346A (de)
AT (1) ATE194713T1 (de)
AU (1) AU678502B2 (de)
CA (1) CA2132227C (de)
DE (1) DE69425215T2 (de)
DK (1) DK0650048T3 (de)
ES (1) ES2149228T3 (de)
GR (1) GR3034611T3 (de)
MY (1) MY111235A (de)
PT (1) PT650048E (de)
TW (1) TW249842B (de)

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LU88552A1 (fr) * 1994-10-31 1995-02-01 Luxembourg Patent Co Robinet avec jauge de niveau intégrée
DE19507616B4 (de) * 1995-03-04 2007-02-01 Gestra Ag Sonde zur Überwachung von Flüssigkeit mit Leckageschutz
US5701084A (en) * 1995-09-22 1997-12-23 Magnetrol International, Inc. Insulated capacitance probe
DE19601741A1 (de) * 1996-01-19 1996-06-27 Merkel Wolfgang Durchflußmesser mit kapazitivem Differenzdrucksensor
US5955684A (en) * 1997-01-06 1999-09-21 Rosemount Inc. Modular probe
US5945831A (en) * 1997-06-10 1999-08-31 Sargent; John S. Volume charge density measuring system
US5942980A (en) * 1997-11-20 1999-08-24 Innovative Measurement Methods, Inc. Multi-sensor hydrostatic gauge for fuel storage tanks
US6250153B1 (en) * 1998-07-06 2001-06-26 Sensor Measurement Technology Continuous, non-metallic, media sensors for corrosive environments
DE10021059B4 (de) * 2000-04-28 2006-06-29 Hiss, Eckart, Dr. Fühler
US6761078B2 (en) * 2001-08-30 2004-07-13 Daniel Industries, Inc. Ultrasonic flowmeter transducer mount
US6642807B1 (en) * 2002-04-29 2003-11-04 Magnetrol International Incorporated Coaxial probe for high temperature and high pressure applications
GB0216502D0 (en) * 2002-07-17 2002-08-28 Epichem Ltd A method and apparatus for monitoring liquid levels within a vessel
WO2004008085A1 (en) 2002-07-17 2004-01-22 Epichem Limited A method and apparatus for monitoring liquid levels within a vessel
US7283086B2 (en) * 2004-05-13 2007-10-16 Endress + Hauser Gmbh + Co. K.G. Fill level measuring device working with microwaves
DE102005042646A1 (de) * 2005-09-07 2007-03-08 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Ermittlung und Überwachung des Füllstandes eines Mediums in einem Behälter
US7467548B2 (en) * 2005-10-14 2008-12-23 Rosemount Tank Radar Ab Radar level gauge system and coupling
GB2432371B (en) 2005-11-17 2011-06-15 Epichem Ltd Improved bubbler for the transportation of substances by a carrier gas
US7345467B2 (en) * 2006-06-27 2008-03-18 Advantest Corporation Voltage generating apparatus, current generating apparatus, and test apparatus
DE102007037364A1 (de) * 2007-08-08 2009-02-12 Robert Bosch Gmbh Flüssigkeitssensor
DE102008006931A1 (de) * 2008-01-31 2009-08-13 Daimler Ag Sensor zur Erfassung eines Füllstands einer Flüssigkeit in einem Behälter und Brennstoffzellensystem mit einem derartigen Sensor
US20090206133A1 (en) * 2008-02-14 2009-08-20 Ethicon Endo-Surgery, Inc. Articulatable loading units for surgical stapling and cutting instruments
US7963164B2 (en) * 2008-06-09 2011-06-21 Rochester Gauges, Inc. Capacitive sensor assembly for determining level of fluent materials
US8161814B2 (en) * 2008-06-09 2012-04-24 Luna Labs, Inc. Self-calibrating capacitive transducer for determining level of fluent materials
DE102008054942B4 (de) * 2008-12-18 2021-02-11 Endress+Hauser SE+Co. KG Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
WO2011053505A1 (en) 2009-11-02 2011-05-05 Sigma-Aldrich Co. Evaporator
DE102010038732B4 (de) * 2010-07-30 2023-07-27 Endress+Hauser SE+Co. KG Vorrichtung und Verfahren zur Sicherung der Befestigung eines koaxial um eine Messsonde angeordneten Rohres einer Messsondeneinheit eines Füllstandsmessgerätes an einem Prozessanschlusselement
LU92018B1 (fr) * 2012-06-08 2013-12-09 Luxembourg Patent Co Ensemble de jauge de niveau capacitive pour un récipient de gaz pressurisé ou liquéfié
CN105378492B (zh) 2013-03-15 2018-10-02 伊利昂科技有限公司 测量物质的电学性能的装置和方法
CN103245394B (zh) * 2013-03-29 2015-08-19 北京遥测技术研究所 一种基于多层环形电容结构的点式液位传感器
US9476753B2 (en) * 2014-03-28 2016-10-25 Honeywell International Inc. Feed-through for GWR measurements in tanks
LU92639B1 (en) * 2015-01-22 2016-07-25 Luxembourg Patent Co Body of level gauge with electrical lead extending therethrough
CN104864971A (zh) * 2015-04-21 2015-08-26 安徽埃克森科技集团有限公司 一种抗压抗震的热电偶套管
US10976292B2 (en) * 2018-09-27 2021-04-13 Rosemount Inc. Self-contained sensor module for hazardous locations
EP3679332B1 (de) 2018-11-30 2022-11-23 Carrier Corporation Gedruckter kapazitiver füllstandssensor für feuerunterdrückung
US11698063B2 (en) * 2020-05-15 2023-07-11 American Jereh International Corporation Hydraulic end assembly structure of a plunger pump
CN111711156A (zh) * 2020-06-23 2020-09-25 中国核动力研究设计院 一种用于高温高压容器多通道引出导线的密封装置

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US3262032A (en) * 1964-04-01 1966-07-19 Magnetic Instr Co Div Of Polym Capacitance type, depth measuring apparatus for conductive liquids
US4252993A (en) * 1979-11-07 1981-02-24 Robertshaw Controls Company Capacitance probe
DE8216324U1 (de) * 1982-06-04 1982-09-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Sonde zur kapazitiven messung des fuellstands in einem behaelter, insbesondere von heissem fuellgut
AU571446B2 (en) * 1982-08-25 1988-04-21 Venture Measurement Company Llc Self calibrating capacitance level sensor
US4594892A (en) * 1985-06-07 1986-06-17 Veeder Industries Inc. Capacitance probe for liquid level measuring system
US4806847A (en) * 1986-12-09 1989-02-21 Caterpillar Inc. Dielectric liquid level sensor and method
US4809129A (en) * 1987-11-06 1989-02-28 Hansen Technologies Corporation Liquid level control system for refrigeration apparatus
US5187979A (en) * 1991-04-26 1993-02-23 Edmark Iii Karl W Multi-sensor probe assembly and method for fuel storage system including overflow protection means

Also Published As

Publication number Publication date
KR950009270A (ko) 1995-04-21
DE69425215D1 (de) 2000-08-17
TW249842B (de) 1995-06-21
CA2132227C (en) 1997-12-23
PT650048E (pt) 2000-12-29
AU678502B2 (en) 1997-05-29
CN1111346A (zh) 1995-11-08
AU7304794A (en) 1995-03-30
ES2149228T3 (es) 2000-11-01
DE69425215T2 (de) 2001-07-19
EP0650048B1 (de) 2000-07-12
GR3034611T3 (en) 2001-01-31
DK0650048T3 (da) 2000-10-02
EP0650048A1 (de) 1995-04-26
US5481197A (en) 1996-01-02
MY111235A (en) 1999-09-30
CA2132227A1 (en) 1995-03-18

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee