FR2776381B1 - LIQUID LEVEL VARIATION INDICATOR - Google Patents

LIQUID LEVEL VARIATION INDICATOR

Info

Publication number
FR2776381B1
FR2776381B1 FR9803523A FR9803523A FR2776381B1 FR 2776381 B1 FR2776381 B1 FR 2776381B1 FR 9803523 A FR9803523 A FR 9803523A FR 9803523 A FR9803523 A FR 9803523A FR 2776381 B1 FR2776381 B1 FR 2776381B1
Authority
FR
France
Prior art keywords
liquid level
level variation
variation indicator
indicator
liquid
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
FR9803523A
Other languages
French (fr)
Other versions
FR2776381A1 (en
Inventor
Zadeh Reze Modjtahed
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.)
Individual
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
Priority to FR9803523A priority Critical patent/FR2776381B1/en
Publication of FR2776381A1 publication Critical patent/FR2776381A1/en
Application granted granted Critical
Publication of FR2776381B1 publication Critical patent/FR2776381B1/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
    • G01F23/30—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 floats
    • G01F23/40—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 floats using bands or wires as transmission elements
    • G01F23/46—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 floats using bands or wires as transmission elements using magnetically actuated indicating means
    • 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
    • G01F23/30—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 floats
    • G01F23/303—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 floats characterised by means to prevent fault-level readings due to turbulence of the fluid, e.g. special float housings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Level Indicators Using A Float (AREA)
FR9803523A 1998-03-23 1998-03-23 LIQUID LEVEL VARIATION INDICATOR Expired - Fee Related FR2776381B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9803523A FR2776381B1 (en) 1998-03-23 1998-03-23 LIQUID LEVEL VARIATION INDICATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9803523A FR2776381B1 (en) 1998-03-23 1998-03-23 LIQUID LEVEL VARIATION INDICATOR

Publications (2)

Publication Number Publication Date
FR2776381A1 FR2776381A1 (en) 1999-09-24
FR2776381B1 true FR2776381B1 (en) 2000-06-09

Family

ID=9524357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9803523A Expired - Fee Related FR2776381B1 (en) 1998-03-23 1998-03-23 LIQUID LEVEL VARIATION INDICATOR

Country Status (1)

Country Link
FR (1) FR2776381B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440670A (en) * 2019-08-15 2019-11-12 中海石油深海开发有限公司 A kind of production tree raising automated watch-keeping facility

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB237279A (en) * 1924-07-18 1926-02-11 Stephan Loffler Improvements in or relating to liquid level indicators for high pressure steam boilers and like liquid containers
US4459584A (en) * 1981-12-21 1984-07-10 Clarkson Marvin R Automatic liquid level indicator and alarm system
DE9000520U1 (en) * 1990-01-18 1990-03-22 Unitech GmbH, 7608 Willstätt Level measuring device
FR2716715B1 (en) * 1994-02-28 1996-05-15 Sauermann Ind Device for detecting liquid levels in a tank.

Also Published As

Publication number Publication date
FR2776381A1 (en) 1999-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse