FR941804A - piezometric device - Google Patents

piezometric device

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
Grant status
Grant
Patent type
Prior art keywords
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
French (fr)
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.)
D'EXPLOITATION de la PIEZO-ELECTRICITE Ste
PIEZO ELECTRICITE SOC D EXPL D
Original Assignee
PIEZO ELECTRICITE SOC D EXPL D
SOCIETE D'EXPLOITATION DE LA PIEZO-ELECTRICITE
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the 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
    • G01F1/38Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the 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
    • G01F1/383Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady or quasi-steady pressure of a fluid or a 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
    • G01L9/0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
FR941804A 1947-02-15 1947-02-15 piezometric device Expired FR941804A (en)

Priority Applications (1)

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

Publications (1)

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

Family

ID=9470609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941804A Expired FR941804A (en) 1947-02-15 1947-02-15 piezometric device

Country Status (1)

Country Link
FR (1) FR941804A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199113A1 (en) * 1972-09-13 1974-04-05 Nissan Motor
WO2010065282A1 (en) * 2008-12-03 2010-06-10 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
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 (en) * 1972-09-13 1974-04-05 Nissan Motor
WO2010065282A1 (en) * 2008-12-03 2010-06-10 Rosemount Inc. Method and apparatus for pressure measurement using quartz crystal
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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