FR1447577A - Leak detection apparatus and method - Google Patents

Leak detection apparatus and method

Info

Publication number
FR1447577A
FR1447577A FR30934A FR30934A FR1447577A FR 1447577 A FR1447577 A FR 1447577A FR 30934 A FR30934 A FR 30934A FR 30934 A FR30934 A FR 30934A FR 1447577 A FR1447577 A FR 1447577A
Authority
FR
France
Prior art keywords
detection apparatus
leak detection
leak
detection
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
FR30934A
Other languages
French (fr)
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
Priority claimed from US396005A external-priority patent/US3324729A/en
Application filed by General Electric Co filed Critical General Electric Co
Priority to FR30934A priority Critical patent/FR1447577A/en
Application granted granted Critical
Publication of FR1447577A publication Critical patent/FR1447577A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
    • 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
    • G01M3/202—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 using mass spectrometer detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR30934A 1964-09-14 1965-09-09 Leak detection apparatus and method Expired FR1447577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR30934A FR1447577A (en) 1964-09-14 1965-09-09 Leak detection apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US396005A US3324729A (en) 1964-09-14 1964-09-14 Method and apparatus for detecting leaks
FR30934A FR1447577A (en) 1964-09-14 1965-09-09 Leak detection apparatus and method

Publications (1)

Publication Number Publication Date
FR1447577A true FR1447577A (en) 1966-07-29

Family

ID=26166026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR30934A Expired FR1447577A (en) 1964-09-14 1965-09-09 Leak detection apparatus and method

Country Status (1)

Country Link
FR (1) FR1447577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0782174A1 (en) * 1995-12-26 1997-07-02 Nihon Shinku Gijutsu Kabushiki Kaisha Sputter ion pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0782174A1 (en) * 1995-12-26 1997-07-02 Nihon Shinku Gijutsu Kabushiki Kaisha Sputter ion pump

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