FR673769A - Electro-pneumatic level or pressure warning device - Google Patents

Electro-pneumatic level or pressure warning device

Info

Publication number
FR673769A
FR673769A FR673769DA FR673769A FR 673769 A FR673769 A FR 673769A FR 673769D A FR673769D A FR 673769DA FR 673769 A FR673769 A FR 673769A
Authority
FR
France
Prior art keywords
electro
warning device
pressure warning
pneumatic level
pneumatic
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
Julien Bos
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 FR673769A publication Critical patent/FR673769A/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
    • G01F23/14—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 measurement of pressure
    • G01F23/18—Indicating, recording or alarm devices actuated electrically
    • G01F23/185—Indicating, recording or alarm devices actuated electrically for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR673769D 1928-09-05 1928-09-05 Electro-pneumatic level or pressure warning device Expired FR673769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR673769T 1928-09-05

Publications (1)

Publication Number Publication Date
FR673769A true FR673769A (en) 1930-01-20

Family

ID=9018367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673769D Expired FR673769A (en) 1928-09-05 1928-09-05 Electro-pneumatic level or pressure warning device

Country Status (1)

Country Link
FR (1) FR673769A (en)

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