FR680160A - Improvements in methods and devices for measuring pressures and levels - Google Patents

Improvements in methods and devices for measuring pressures and levels

Info

Publication number
FR680160A
FR680160A FR680160DA FR680160A FR 680160 A FR680160 A FR 680160A FR 680160D A FR680160D A FR 680160DA FR 680160 A FR680160 A FR 680160A
Authority
FR
France
Prior art keywords
levels
methods
devices
measuring pressures
pressures
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR680160A publication Critical patent/FR680160A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/008—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces electrostatic or electromagnetic counterbalancing forces

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR680160D 1928-08-21 1929-08-10 Improvements in methods and devices for measuring pressures and levels Expired FR680160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US680160XA 1928-08-21 1928-08-21

Publications (1)

Publication Number Publication Date
FR680160A true FR680160A (en) 1930-04-25

Family

ID=22079884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680160D Expired FR680160A (en) 1928-08-21 1929-08-10 Improvements in methods and devices for measuring pressures and levels

Country Status (1)

Country Link
FR (1) FR680160A (en)

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