FR2577656B1 - Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte - Google Patents

Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte

Info

Publication number
FR2577656B1
FR2577656B1 FR8502370A FR8502370A FR2577656B1 FR 2577656 B1 FR2577656 B1 FR 2577656B1 FR 8502370 A FR8502370 A FR 8502370A FR 8502370 A FR8502370 A FR 8502370A FR 2577656 B1 FR2577656 B1 FR 2577656B1
Authority
FR
France
Prior art keywords
speaker
monitoring
gas filling
filling state
state
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
FR8502370A
Other languages
English (en)
Other versions
FR2577656A1 (fr
Inventor
Philippe Seigneur
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.)
SEDEME
Original Assignee
SEDEME
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 SEDEME filed Critical SEDEME
Priority to FR8502370A priority Critical patent/FR2577656B1/fr
Publication of FR2577656A1 publication Critical patent/FR2577656A1/fr
Application granted granted Critical
Publication of FR2577656B1 publication Critical patent/FR2577656B1/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
    • G01L9/02—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
FR8502370A 1985-02-19 1985-02-19 Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte Expired FR2577656B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8502370A FR2577656B1 (fr) 1985-02-19 1985-02-19 Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8502370A FR2577656B1 (fr) 1985-02-19 1985-02-19 Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte

Publications (2)

Publication Number Publication Date
FR2577656A1 FR2577656A1 (fr) 1986-08-22
FR2577656B1 true FR2577656B1 (fr) 1988-05-13

Family

ID=9316418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8502370A Expired FR2577656B1 (fr) 1985-02-19 1985-02-19 Dispositif de surveillance de l'etat de remplissage en gaz d'une enceinte

Country Status (1)

Country Link
FR (1) FR2577656B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600162B1 (fr) * 1986-06-12 1989-03-24 Sealol Detecteur de pression a seuil ajustable
DE4324865A1 (de) * 1993-07-23 1995-01-26 Gore W L & Ass Gmbh Leckage-Erkennungssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012432A (en) * 1957-09-23 1961-12-12 Richard H Moore Leak tester
US3358511A (en) * 1965-10-05 1967-12-19 Electro Optical Systems Inc Computing transducer system
US3413840A (en) * 1966-04-19 1968-12-03 Mcmullen John J Leak detection system
FR2500161A1 (fr) * 1981-02-18 1982-08-20 Grathnail Dev Co Ltd Appareil de surveillance de la pression des pneumatiques de vehicules
FR2548780A1 (fr) * 1983-07-04 1985-01-11 Pingeot Bardin Ets Manometre de controle de la pression d'un pneumatique et dispositif de gonflage equipe d'un tel manometre

Also Published As

Publication number Publication date
FR2577656A1 (fr) 1986-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse