FR2025957A1 - - Google Patents

Info

Publication number
FR2025957A1
FR2025957A1 FR6942589A FR6942589A FR2025957A1 FR 2025957 A1 FR2025957 A1 FR 2025957A1 FR 6942589 A FR6942589 A FR 6942589A FR 6942589 A FR6942589 A FR 6942589A FR 2025957 A1 FR2025957 A1 FR 2025957A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6942589A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2025957A1 publication Critical patent/FR2025957A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0091—Including arrangements for environmental or personal protection
    • B01D46/0094—Including arrangements for environmental or personal protection against radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T5/00—Recording of movements or tracks of particles; Processing or analysis of such tracks
    • G01T5/10—Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/18—Testing of filters, filter elements, sealings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/02—Radon detection

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
FR6942589A 1968-12-12 1969-12-09 Withdrawn FR2025957A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78324768A 1968-12-12 1968-12-12

Publications (1)

Publication Number Publication Date
FR2025957A1 true FR2025957A1 (fr) 1970-09-11

Family

ID=25128635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6942589A Withdrawn FR2025957A1 (fr) 1968-12-12 1969-12-09

Country Status (3)

Country Link
US (1) US3614421A (fr)
DE (1) DE1962481A1 (fr)
FR (1) FR2025957A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024421A1 (fr) * 1979-03-05 1981-03-11 Flanders Filters Methode et appareil de controle des fuites des filtres.

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731100A (en) * 1971-04-07 1973-05-01 Atomic Energy Commission Monitor of the concentration of radioactive iodine in a stream of gas
US3783292A (en) * 1971-07-16 1974-01-01 Gen Electric Alpha particle dosimeter
DE2926491C2 (de) * 1979-06-30 1983-02-24 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Dosimeter zum Nachweis von Radon und/oder Thoron und deren Folgeprodukten
DE3020538C2 (de) * 1980-05-30 1982-06-24 Woma-Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg Vorrichtung zur Kanal- und Grubenreinigung
USRE31952E (en) * 1980-08-11 1985-07-23 Flanders Filters, Inc. Method and apparatus for the leak testing of filters
US4548068A (en) * 1983-11-10 1985-10-22 Cambridge Filter Corp. Downflow air filter construction and methods for air flow adjustment and leak testing thereof
US4676092A (en) * 1985-09-25 1987-06-30 Wainwright Tuttle Filter test method and apparatus
DE3715214A1 (de) * 1987-05-07 1988-11-17 Flaekt Ab Verfahren und vorrichtung zum pruefen von filtern
US4963730A (en) * 1989-03-20 1990-10-16 Rad-X Ltd. Radon progeny detector
US6036753A (en) * 1997-08-19 2000-03-14 Rutgers, The State University Of New Jersey Use of glass fiber materials in diagnosing and preventing radon infiltration into buildings
FR2779665B1 (fr) * 1998-06-16 2000-08-18 Kronenbourg Brasseries Procede de regeneration d'une terre d'infusoires epuisee et dispositif permettant de mettre en oeuvre ce procede
US6327893B1 (en) * 1999-12-07 2001-12-11 Aaf Mcquay Filter layer comparative testing method and apparatus
WO2006102465A2 (fr) * 2005-03-21 2006-09-28 Camfil Farr Inc. Module de filtrage d'evacuation, et procede et appareil pour eprouver son efficacite
BE1023000B1 (fr) * 2015-09-11 2016-10-31 Manoha Sprl Séchoir, en particulier pour le séchage de vêtements et d'accessoires pour salle blanche
US11175210B2 (en) * 2019-06-24 2021-11-16 The Boeing Company System and methods for evaluating an air purification system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892091A (en) * 1955-11-03 1959-06-23 David R Sawle Continuous alpha air monitor
US3373683A (en) * 1966-10-20 1968-03-19 Gen Electric Visual imaging of track-etched patterns
US3473876A (en) * 1967-09-13 1969-10-21 Samuel B Steinberg Portable filter evaluation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024421A1 (fr) * 1979-03-05 1981-03-11 Flanders Filters Methode et appareil de controle des fuites des filtres.
EP0024421A4 (fr) * 1979-03-05 1981-10-13 Flanders Filters Methode et appareil de controle des fuites des filtres.
EP0150266A2 (fr) * 1979-03-05 1985-08-07 Flanders Filters, Inc. Méthode et appareil pour l'épreuve d'étanchéité de filtres
EP0150266A3 (fr) * 1979-03-05 1985-08-21 Flanders Filters, Inc. Méthode et appareil pour l'épreuve d'étanchéité de filtres

Also Published As

Publication number Publication date
US3614421A (en) 1971-10-19
DE1962481A1 (de) 1970-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse