FR1224540A - Perfectionnements aux détecteurs de fuites de gaz - Google Patents

Perfectionnements aux détecteurs de fuites de gaz

Info

Publication number
FR1224540A
FR1224540A FR794748A FR794748A FR1224540A FR 1224540 A FR1224540 A FR 1224540A FR 794748 A FR794748 A FR 794748A FR 794748 A FR794748 A FR 794748A FR 1224540 A FR1224540 A FR 1224540A
Authority
FR
France
Prior art keywords
gas leak
leak detectors
detectors
gas
leak
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
FR794748A
Other languages
English (en)
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 FR1224540A publication Critical patent/FR1224540A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating 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
    • G01M3/32Investigating 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
    • G01M3/3236Investigating 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
    • G01M3/3272Investigating 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/404Protective devices specially adapted for fluid filled transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
FR794748A 1958-05-15 1959-05-15 Perfectionnements aux détecteurs de fuites de gaz Expired FR1224540A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US735628A US2989863A (en) 1958-05-15 1958-05-15 Gas leakage detecting means

Publications (1)

Publication Number Publication Date
FR1224540A true FR1224540A (fr) 1960-06-24

Family

ID=24956563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794748A Expired FR1224540A (fr) 1958-05-15 1959-05-15 Perfectionnements aux détecteurs de fuites de gaz

Country Status (2)

Country Link
US (1) US2989863A (fr)
FR (1) FR1224540A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046369A (en) * 1959-04-27 1962-07-24 Beatrice A Hicks Device for sensing gas density
US3425391A (en) * 1966-03-23 1969-02-04 Us Navy Triplex pressure gauge
US3447380A (en) * 1967-06-30 1969-06-03 Sidney C Martin Pressure indicating apparatus
US3509758A (en) * 1968-09-16 1970-05-05 Atomic Energy Commission Gas leak rate monitor
DE2744549C2 (de) * 1977-10-04 1984-03-29 Alexander Wiegand Gmbh U. Co Armaturen- U. Manometerfabrik, 8763 Klingenberg Einrichtung zur Überwachung der Dichte eines Gases innerhalb eines Druckbehälters
FR2906653B1 (fr) * 2006-09-28 2008-12-19 Areva T & D Sa Dispositif de controle du fonctionnement d'un densimetre pour appareil electrique moyenne et haute tension et procede de controle du fonctionnement d'un densimetre

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731825A (en) * 1956-01-24 le van
FR978221A (fr) * 1947-12-27 1951-04-11 Westinghouse Electric Corp Appareillage de mesure des pertes de gaz

Also Published As

Publication number Publication date
US2989863A (en) 1961-06-27

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