FR549857A - Illuminated level indicator for boilers or other vessels - Google Patents

Illuminated level indicator for boilers or other vessels

Info

Publication number
FR549857A
FR549857A FR549857DA FR549857A FR 549857 A FR549857 A FR 549857A FR 549857D A FR549857D A FR 549857DA FR 549857 A FR549857 A FR 549857A
Authority
FR
France
Prior art keywords
boilers
vessels
level indicator
illuminated level
illuminated
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
Application number
Other languages
French (fr)
Inventor
Raoul Boizard
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 filed Critical
Application granted granted Critical
Publication of FR549857A publication Critical patent/FR549857A/en
Expired 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR549857D 1922-04-06 1922-04-06 Illuminated level indicator for boilers or other vessels Expired FR549857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549857T 1922-04-06

Publications (1)

Publication Number Publication Date
FR549857A true FR549857A (en) 1923-02-21

Family

ID=8935784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549857D Expired FR549857A (en) 1922-04-06 1922-04-06 Illuminated level indicator for boilers or other vessels

Country Status (1)

Country Link
FR (1) FR549857A (en)

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