FR941804A - Dispositif piézométrique - Google Patents

Dispositif piézométrique

Info

Publication number
FR941804A
FR941804A FR941804DA FR941804A FR 941804 A FR941804 A FR 941804A FR 941804D A FR941804D A FR 941804DA FR 941804 A FR941804 A FR 941804A
Authority
FR
France
Prior art keywords
piezometric
piezometric device
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
English (en)
Inventor
Pierre Mathivet
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.)
PIEZO ELECTRICITE SOC D EXPL D
Original Assignee
PIEZO ELECTRICITE SOC D EXPL D
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 PIEZO ELECTRICITE SOC D EXPL D filed Critical PIEZO ELECTRICITE SOC D EXPL D
Application granted granted Critical
Publication of FR941804A publication Critical patent/FR941804A/fr
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
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F1/383—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
FR941804D 1947-02-15 1947-02-15 Dispositif piézométrique Expired FR941804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941804T 1947-02-15

Publications (1)

Publication Number Publication Date
FR941804A true FR941804A (fr) 1949-01-21

Family

ID=9470609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941804D Expired FR941804A (fr) 1947-02-15 1947-02-15 Dispositif piézométrique

Country Status (1)

Country Link
FR (1) FR941804A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199113A1 (fr) * 1972-09-13 1974-04-05 Nissan Motor
WO2010065282A1 (fr) * 2008-12-03 2010-06-10 Rosemount Inc. Procédé et appareil pour la mesure de pression à l'aide d'un cristal de quartz
US7954383B2 (en) 2008-12-03 2011-06-07 Rosemount Inc. Method and apparatus for pressure measurement using fill tube
US8132464B2 (en) 2010-07-12 2012-03-13 Rosemount Inc. Differential pressure transmitter with complimentary dual absolute pressure sensors
US8327713B2 (en) 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
US8752433B2 (en) 2012-06-19 2014-06-17 Rosemount Inc. Differential pressure transmitter with pressure sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199113A1 (fr) * 1972-09-13 1974-04-05 Nissan Motor
WO2010065282A1 (fr) * 2008-12-03 2010-06-10 Rosemount Inc. Procédé et appareil pour la mesure de pression à l'aide d'un cristal de quartz
US7870791B2 (en) 2008-12-03 2011-01-18 Rosemount Inc. Method and apparatus for pressure measurement using quartz crystal
US7954383B2 (en) 2008-12-03 2011-06-07 Rosemount Inc. Method and apparatus for pressure measurement using fill tube
US8327713B2 (en) 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
US8132464B2 (en) 2010-07-12 2012-03-13 Rosemount Inc. Differential pressure transmitter with complimentary dual absolute pressure sensors
US8752433B2 (en) 2012-06-19 2014-06-17 Rosemount Inc. Differential pressure transmitter with pressure sensor

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