FR2791132B1 - LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK - Google Patents

LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK

Info

Publication number
FR2791132B1
FR2791132B1 FR0003054A FR0003054A FR2791132B1 FR 2791132 B1 FR2791132 B1 FR 2791132B1 FR 0003054 A FR0003054 A FR 0003054A FR 0003054 A FR0003054 A FR 0003054A FR 2791132 B1 FR2791132 B1 FR 2791132B1
Authority
FR
France
Prior art keywords
gas tank
oil gas
level indicator
indicator device
liquefied oil
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
FR0003054A
Other languages
French (fr)
Other versions
FR2791132A1 (en
Inventor
Xavier Allegre
Daniel Bouvier
Gilbert Spiesser
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.)
Clesse Industries SAS
Original Assignee
Clesse Industries SAS
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
Priority claimed from FR9903398A external-priority patent/FR2791131B1/en
Application filed by Clesse Industries SAS filed Critical Clesse Industries SAS
Priority to FR0003054A priority Critical patent/FR2791132B1/en
Publication of FR2791132A1 publication Critical patent/FR2791132A1/en
Application granted granted Critical
Publication of FR2791132B1 publication Critical patent/FR2791132B1/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
    • G01F23/28—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
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2924—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms for several discrete levels, e.g. with more than one light-conducting sensing element
    • 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
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element
FR0003054A 1999-03-15 2000-03-09 LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK Expired - Fee Related FR2791132B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0003054A FR2791132B1 (en) 1999-03-15 2000-03-09 LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9903398A FR2791131B1 (en) 1999-03-15 1999-03-15 LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK
FR0003054A FR2791132B1 (en) 1999-03-15 2000-03-09 LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK

Publications (2)

Publication Number Publication Date
FR2791132A1 FR2791132A1 (en) 2000-09-22
FR2791132B1 true FR2791132B1 (en) 2001-12-14

Family

ID=26212241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0003054A Expired - Fee Related FR2791132B1 (en) 1999-03-15 2000-03-09 LEVEL INDICATOR DEVICE IN A LIQUEFIED OIL GAS TANK

Country Status (1)

Country Link
FR (1) FR2791132B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB888941A (en) * 1959-06-22 1962-02-07 Dehavilland Aircraft Improvements in liquid level indicators
US3844171A (en) * 1971-12-29 1974-10-29 E Rodger Light guide liquid level indicator
US4051726A (en) * 1976-04-06 1977-10-04 Hastbacka Albin A Electro-optical liquid level indicator
GB2029005B (en) * 1978-08-03 1983-01-12 Marconi Co Ltd Fluid level inidicators
US4286464A (en) * 1980-01-14 1981-09-01 Technical Development Company Optical fluid level monitor
FR2655154B1 (en) * 1989-11-29 1992-02-28 Jaeger
EP0795740A1 (en) * 1996-03-13 1997-09-17 Simmonds Precision Products Inc. Self testing optical liquid level sensor

Also Published As

Publication number Publication date
FR2791132A1 (en) 2000-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20061130