FR2456945A1 - Detecteur de pression a barreau vibrant - Google Patents

Detecteur de pression a barreau vibrant

Info

Publication number
FR2456945A1
FR2456945A1 FR8010729A FR8010729A FR2456945A1 FR 2456945 A1 FR2456945 A1 FR 2456945A1 FR 8010729 A FR8010729 A FR 8010729A FR 8010729 A FR8010729 A FR 8010729A FR 2456945 A1 FR2456945 A1 FR 2456945A1
Authority
FR
France
Prior art keywords
bar
pressure sensor
fixed
vibrating bar
pressure
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.)
Granted
Application number
FR8010729A
Other languages
English (en)
Other versions
FR2456945B1 (fr
Inventor
Gerald Robert Cucci
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.)
Rosemount Inc
Original Assignee
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Publication of FR2456945A1 publication Critical patent/FR2456945A1/fr
Application granted granted Critical
Publication of FR2456945B1 publication Critical patent/FR2456945B1/fr
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
    • 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
    • G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/023—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using bellows
    • 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
    • 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
    • G01L9/0013—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

L'INVENTION CONCERNE UN DETECTEUR DESTINE A INDIQUER LA VALEUR D'UNE PRESSION. ELLE SE RAPPORTE A UN DETECTEUR QUI COMPREND UN ENROULEMENT 58 DESTINE A FAIRE VIBRER UN TRONCON 42 D'UN BARREAU A SA FREQUENCE DE RESONANCE, LES DEUX EXTREMITES DU BARREAU ETANT FIXEES D'UNE PART A UN ORGANE FIXE 25 ET D'AUTRE PART A UN LEVIER PIVOTANT 30 QUI EST ARTICULE SUR LA PARTIE FIXE 25 ET QUI EST COMMANDE PAR DES VARIATIONS DE PRESSION. UN CAPTEUR CAPACITIF A UNE PLAQUE FORMEE PAR LE TRONCON VIBRANT 42 DU BARREAU. APPLICATION AUX DETECTEURS DE PRESSION.
FR8010729A 1979-05-14 1980-05-13 Detecteur de pression a barreau vibrant Expired FR2456945B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3935679A 1979-05-14 1979-05-14

Publications (2)

Publication Number Publication Date
FR2456945A1 true FR2456945A1 (fr) 1980-12-12
FR2456945B1 FR2456945B1 (fr) 1985-06-14

Family

ID=21905040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010729A Expired FR2456945B1 (fr) 1979-05-14 1980-05-13 Detecteur de pression a barreau vibrant

Country Status (7)

Country Link
JP (2) JPS5629134A (fr)
CA (1) CA1141560A (fr)
DE (1) DE3018285A1 (fr)
FR (1) FR2456945B1 (fr)
GB (1) GB2049188B (fr)
IL (1) IL60034A (fr)
SE (1) SE447421B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509856A1 (fr) * 1981-07-20 1983-01-21 Crouzet Sa Capteur de pression differentielle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384495A (en) * 1980-11-17 1983-05-24 Quartex, Inc. Mounting system for applying forces to load-sensitive resonators
US4531073A (en) * 1983-05-31 1985-07-23 Ohaus Scale Corporation Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity
GB8330583D0 (en) * 1983-11-16 1984-01-18 Schlumberger Electronics Uk Pressure sensors
HU212353B (en) * 1990-02-22 1996-06-28 Istvan Almasi Path-frequency signal transducer
JP2007217950A (ja) * 2006-02-16 2007-08-30 Takenaka Komuten Co Ltd 点検口

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957586B2 (de) * 1968-11-18 1978-01-26 The Solartron Electronic Group Ltd, Farnborough, Hampshire (Großbritannien) Kraftumformer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479536A (en) * 1967-03-14 1969-11-18 Singer General Precision Piezoelectric force transducer
GB1234890A (en) * 1969-12-23 1971-06-09 Vni I Pk I Komplexnoi Avtom Ne Pressure transducers
JPS5641928B2 (fr) * 1973-08-07 1981-10-01
US4149422A (en) * 1976-10-13 1979-04-17 The Foxboro Company Vibratory-wire pressure sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957586B2 (de) * 1968-11-18 1978-01-26 The Solartron Electronic Group Ltd, Farnborough, Hampshire (Großbritannien) Kraftumformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509856A1 (fr) * 1981-07-20 1983-01-21 Crouzet Sa Capteur de pression differentielle
DE3226441A1 (de) * 1981-07-20 1983-03-31 Crouzet S.A., 75011 Paris Differenzdruckgeber

Also Published As

Publication number Publication date
JPH03108628A (ja) 1991-05-08
DE3018285C2 (fr) 1990-12-20
JPH0219892B2 (fr) 1990-05-07
CA1141560A (fr) 1983-02-22
IL60034A (en) 1984-11-30
SE8003555L (sv) 1981-01-15
JPH0551855B2 (fr) 1993-08-03
GB2049188B (en) 1984-02-01
GB2049188A (en) 1980-12-17
SE447421B (sv) 1986-11-10
FR2456945B1 (fr) 1985-06-14
JPS5629134A (en) 1981-03-23
DE3018285A1 (de) 1980-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse