DE2114338A1 - Vorrichtung zur Feststellung von Leckagen bzw.undichten Stellen mit Helium als Spuergas - Google Patents

Vorrichtung zur Feststellung von Leckagen bzw.undichten Stellen mit Helium als Spuergas

Info

Publication number
DE2114338A1
DE2114338A1 DE19712114338 DE2114338A DE2114338A1 DE 2114338 A1 DE2114338 A1 DE 2114338A1 DE 19712114338 DE19712114338 DE 19712114338 DE 2114338 A DE2114338 A DE 2114338A DE 2114338 A1 DE2114338 A1 DE 2114338A1
Authority
DE
Germany
Prior art keywords
leaks
helium
pumping
ion pump
liquid nitrogen
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.)
Pending
Application number
DE19712114338
Other languages
German (de)
English (en)
Inventor
Pierre Maillard
Pierre Roubeau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2114338A1 publication Critical patent/DE2114338A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01M3/205—Accessories or associated equipment; Pump constructions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
DE19712114338 1970-03-26 1971-03-24 Vorrichtung zur Feststellung von Leckagen bzw.undichten Stellen mit Helium als Spuergas Pending DE2114338A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7010898A FR2082765A5 (enExample) 1970-03-26 1970-03-26

Publications (1)

Publication Number Publication Date
DE2114338A1 true DE2114338A1 (de) 1971-10-14

Family

ID=9052936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712114338 Pending DE2114338A1 (de) 1970-03-26 1971-03-24 Vorrichtung zur Feststellung von Leckagen bzw.undichten Stellen mit Helium als Spuergas

Country Status (5)

Country Link
US (1) US3798536A (enExample)
CA (1) CA954589A (enExample)
DE (1) DE2114338A1 (enExample)
FR (1) FR2082765A5 (enExample)
NL (1) NL7104087A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326265A1 (de) * 1993-08-05 1995-02-09 Leybold Ag Testgasdetektor, vorzugsweise für Lecksuchgeräte, sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art
DE4326264A1 (de) * 1993-08-05 1995-02-09 Leybold Ag Testgasdetektor mit Vakuumpumpe sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126733A (en) * 1980-03-10 1981-10-05 Nippon Sanso Kk Detecting method for leakage of helium
US4409817A (en) * 1981-03-25 1983-10-18 Edwards Jr David Vacuum leak detector and method
US4583394A (en) * 1984-08-07 1986-04-22 Japan Atomic Energy Research Institute Device and method for leak location
US5442952A (en) * 1994-08-11 1995-08-22 Sealand Technology, Inc. Testing of hoses
DE102009059824A1 (de) * 2009-12-21 2011-06-22 Inficon GmbH, 50968 Verfahren und Vorrichtung zur Leckbestimmung
DK3877737T3 (da) * 2018-11-27 2023-01-09 West Pharmaceutical Services Inc System og fremgangsmåde til test af lukkeintegriteten af en forseglet beholder ved kryogene temperaturer
CN113125518B (zh) * 2021-04-12 2022-08-30 山东科技大学 一氧化碳气敏微胶囊、制备方法及识别采空区火源的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102021C (enExample) * 1954-01-06 1961-11-15
DE1302826B (enExample) * 1962-07-16 Ges Fuer Kernforschung Mbh
US3324729A (en) * 1964-09-14 1967-06-13 Gen Electric Method and apparatus for detecting leaks
US3411073A (en) * 1965-07-01 1968-11-12 Gen Electric Gas detector having inlet orifice for linear operation of the detector
US3536418A (en) * 1969-02-13 1970-10-27 Onezime P Breaux Cryogenic turbo-molecular vacuum pump
US3593499A (en) * 1969-04-11 1971-07-20 Richard D Myerly Exhaust muffler and purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326265A1 (de) * 1993-08-05 1995-02-09 Leybold Ag Testgasdetektor, vorzugsweise für Lecksuchgeräte, sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art
DE4326264A1 (de) * 1993-08-05 1995-02-09 Leybold Ag Testgasdetektor mit Vakuumpumpe sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art

Also Published As

Publication number Publication date
CA954589A (en) 1974-09-10
NL7104087A (enExample) 1971-09-28
FR2082765A5 (enExample) 1971-12-10
US3798536A (en) 1974-03-19

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Legal Events

Date Code Title Description
OD Request for examination
OHN Withdrawal