GB2390905B - A method and apparatus for monitoring liquid levels within a vessel - Google Patents

A method and apparatus for monitoring liquid levels within a vessel

Info

Publication number
GB2390905B
GB2390905B GB0223154A GB0223154A GB2390905B GB 2390905 B GB2390905 B GB 2390905B GB 0223154 A GB0223154 A GB 0223154A GB 0223154 A GB0223154 A GB 0223154A GB 2390905 B GB2390905 B GB 2390905B
Authority
GB
United Kingdom
Prior art keywords
vessel
liquid levels
monitoring liquid
monitoring
levels
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.)
Expired - Fee Related
Application number
GB0223154A
Other versions
GB0223154D0 (en
GB2390905A (en
Inventor
Graham Williams
Rajesh Odedra
Hugh Cunning
Lindsay Smith
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.)
Epichem Ltd
Original Assignee
Epichem Ltd
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 Epichem Ltd filed Critical Epichem Ltd
Publication of GB0223154D0 publication Critical patent/GB0223154D0/en
Priority to DE03763961T priority Critical patent/DE03763961T1/en
Priority to CNB038169533A priority patent/CN100346142C/en
Priority to KR1020057000650A priority patent/KR20050036951A/en
Priority to PCT/GB2003/002761 priority patent/WO2004008085A1/en
Priority to AU2003250381A priority patent/AU2003250381A1/en
Priority to JP2005505080A priority patent/JP2005533266A/en
Priority to US10/521,473 priority patent/US7100441B2/en
Priority to EP03763961A priority patent/EP1521948A1/en
Priority to KR1020117003240A priority patent/KR101107032B1/en
Priority to TW092119357A priority patent/TWI306943B/en
Publication of GB2390905A publication Critical patent/GB2390905A/en
Priority to NO20050192A priority patent/NO20050192L/en
Application granted granted Critical
Publication of GB2390905B publication Critical patent/GB2390905B/en
Priority to JP2009230505A priority patent/JP2010032532A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
GB0223154A 2002-07-17 2002-10-07 A method and apparatus for monitoring liquid levels within a vessel Expired - Fee Related GB2390905B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US10/521,473 US7100441B2 (en) 2002-07-17 2003-06-26 Method and apparatus for monitoring liquid levels within a vessel
CNB038169533A CN100346142C (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
KR1020057000650A KR20050036951A (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
PCT/GB2003/002761 WO2004008085A1 (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
AU2003250381A AU2003250381A1 (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
JP2005505080A JP2005533266A (en) 2002-07-17 2003-06-26 Method and apparatus for monitoring the liquid level in a container
DE03763961T DE03763961T1 (en) 2002-07-17 2003-06-26 METHOD AND DEVICE FOR FILL LEVEL MONITORING IN A CONTAINER
EP03763961A EP1521948A1 (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
KR1020117003240A KR101107032B1 (en) 2002-07-17 2003-06-26 A method and apparatus for monitoring liquid levels within a vessel
TW092119357A TWI306943B (en) 2002-07-17 2003-07-16 A method and apparatus for monitoring reactive liquid levels within a vessel
NO20050192A NO20050192L (en) 2002-07-17 2005-01-13 Method and apparatus for monitoring liquid levels within a container.
JP2009230505A JP2010032532A (en) 2002-07-17 2009-10-02 Method and system for monitoring liquid level in container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0216502.5A GB0216502D0 (en) 2002-07-17 2002-07-17 A method and apparatus for monitoring liquid levels within a vessel

Publications (3)

Publication Number Publication Date
GB0223154D0 GB0223154D0 (en) 2002-11-13
GB2390905A GB2390905A (en) 2004-01-21
GB2390905B true GB2390905B (en) 2005-10-05

Family

ID=9940558

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0216502.5A Ceased GB0216502D0 (en) 2002-07-17 2002-07-17 A method and apparatus for monitoring liquid levels within a vessel
GB0223154A Expired - Fee Related GB2390905B (en) 2002-07-17 2002-10-07 A method and apparatus for monitoring liquid levels within a vessel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0216502.5A Ceased GB0216502D0 (en) 2002-07-17 2002-07-17 A method and apparatus for monitoring liquid levels within a vessel

Country Status (4)

Country Link
JP (1) JP2010032532A (en)
KR (1) KR101107032B1 (en)
GB (2) GB0216502D0 (en)
TW (1) TWI306943B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432371B (en) 2005-11-17 2011-06-15 Epichem Ltd Improved bubbler for the transportation of substances by a carrier gas
EP2496733B1 (en) 2009-11-02 2021-08-04 Sigma-Aldrich Co. LLC Method for evaporation
KR101151482B1 (en) * 2010-09-28 2012-05-30 한국전력공사 A Cryostat for High-voltage applications

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831069A (en) * 1972-11-03 1974-08-20 Robertshaw Controls Co Miniature capacitance level detector
GB2081450A (en) * 1980-08-01 1982-02-17 Endress Hauser Gmbh Co Capacitive measurement of level in a container
GB2212272A (en) * 1987-11-06 1989-07-19 Hansen Technologies Corp Liquid level measuring probe and control system
EP0650048A1 (en) * 1993-09-17 1995-04-26 Penberthy, Inc. High pressure, leak resistant, explosionproof capacitance probe
US5701084A (en) * 1995-09-22 1997-12-23 Magnetrol International, Inc. Insulated capacitance probe
JP2000128181A (en) * 1998-10-26 2000-05-09 Applied Materials Inc Liquid storing container and residual liquid quantity detecting method
US6148681A (en) * 1997-01-06 2000-11-21 Rosemount Inc. Level probe with modular connection

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827486Y2 (en) * 1979-02-27 1983-06-15 日本電気ホームエレクトロニクス株式会社 glass sealed terminal
JPS61283831A (en) * 1985-06-10 1986-12-13 Misuzu Erii:Kk Electrostatic capacity type level gauge
US4716082A (en) * 1986-10-28 1987-12-29 Isotronics, Inc. Duplex glass preforms for hermetic glass-to-metal sealing
JPH067064B2 (en) * 1987-10-02 1994-01-26 松下電器産業株式会社 Thermal type fuel level detector
FR2656418B1 (en) * 1989-12-21 1994-04-15 Esrf DEVICE FOR MEASURING OR CONTROLLING LEVELING BETWEEN SEVERAL POINTS.
JPH06168753A (en) * 1992-11-30 1994-06-14 Nippon Seiki Co Ltd Seal structure
JPH06258127A (en) * 1992-12-25 1994-09-16 Nikko Co Ltd Capacitance type level meter
JPH06239384A (en) * 1993-02-15 1994-08-30 Japan Pionics Co Ltd Container for special material gas
JP3264096B2 (en) * 1994-05-20 2002-03-11 ソニー株式会社 Horizontal vapor phase growth apparatus and horizontal heat treatment apparatus
JPH0845644A (en) * 1994-07-28 1996-02-16 Toshiba Corp Electrode for corona discharge and electrostatic charge removing device
JPH09273957A (en) * 1996-04-08 1997-10-21 Mitsubishi Heavy Ind Ltd Level measuring apparatus
JP2000058031A (en) * 1998-08-07 2000-02-25 Japan Storage Battery Co Ltd Nonaqueous electrolyte battery
JP2000180245A (en) * 1998-12-11 2000-06-30 Otsuka Denshi Co Ltd Liquid level detecting probe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831069A (en) * 1972-11-03 1974-08-20 Robertshaw Controls Co Miniature capacitance level detector
GB2081450A (en) * 1980-08-01 1982-02-17 Endress Hauser Gmbh Co Capacitive measurement of level in a container
GB2212272A (en) * 1987-11-06 1989-07-19 Hansen Technologies Corp Liquid level measuring probe and control system
EP0650048A1 (en) * 1993-09-17 1995-04-26 Penberthy, Inc. High pressure, leak resistant, explosionproof capacitance probe
US5701084A (en) * 1995-09-22 1997-12-23 Magnetrol International, Inc. Insulated capacitance probe
US6148681A (en) * 1997-01-06 2000-11-21 Rosemount Inc. Level probe with modular connection
JP2000128181A (en) * 1998-10-26 2000-05-09 Applied Materials Inc Liquid storing container and residual liquid quantity detecting method

Also Published As

Publication number Publication date
GB0216502D0 (en) 2002-08-28
GB0223154D0 (en) 2002-11-13
TWI306943B (en) 2009-03-01
JP2010032532A (en) 2010-02-12
TW200401883A (en) 2004-02-01
KR101107032B1 (en) 2012-01-25
GB2390905A (en) 2004-01-21
KR20110022734A (en) 2011-03-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20171007