DE9401661U1 - Leak rate determining element of a test leak - Google Patents

Leak rate determining element of a test leak

Info

Publication number
DE9401661U1
DE9401661U1 DE9401661U DE9401661U DE9401661U1 DE 9401661 U1 DE9401661 U1 DE 9401661U1 DE 9401661 U DE9401661 U DE 9401661U DE 9401661 U DE9401661 U DE 9401661U DE 9401661 U1 DE9401661 U1 DE 9401661U1
Authority
DE
Germany
Prior art keywords
leak
rate determining
determining element
test
leak rate
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 - Lifetime
Application number
DE9401661U
Other languages
German (de)
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.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold AG
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 Leybold AG filed Critical Leybold AG
Priority to DE9401661U priority Critical patent/DE9401661U1/en
Publication of DE9401661U1 publication Critical patent/DE9401661U1/en
Priority to PCT/EP1995/000166 priority patent/WO1995021373A1/en
Priority to EP95906962A priority patent/EP0742894B1/en
Priority to JP52034395A priority patent/JP3457001B2/en
Priority to DE59504558T priority patent/DE59504558D1/en
Priority to US08/682,747 priority patent/US5663487A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01M3/207—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 calibration arrangements
    • 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
    • G01M3/007—Leak detector calibration, standard leaks
DE9401661U 1994-02-02 1994-02-02 Leak rate determining element of a test leak Expired - Lifetime DE9401661U1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE9401661U DE9401661U1 (en) 1994-02-02 1994-02-02 Leak rate determining element of a test leak
PCT/EP1995/000166 WO1995021373A1 (en) 1994-02-02 1995-01-18 Capillary tube determining the leakage rate for a test leak
EP95906962A EP0742894B1 (en) 1994-02-02 1995-01-18 Test leak with a capillary tube determining the leakage rate
JP52034395A JP3457001B2 (en) 1994-02-02 1995-01-18 Test leak site with capillary to determine leak rate
DE59504558T DE59504558D1 (en) 1994-02-02 1995-01-18 TEST LEAK WITH A LEAK DETERMINING CAPILLARY
US08/682,747 US5663487A (en) 1994-02-02 1995-01-18 Capillary tube determining the leakage rate for a test leak

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9401661U DE9401661U1 (en) 1994-02-02 1994-02-02 Leak rate determining element of a test leak

Publications (1)

Publication Number Publication Date
DE9401661U1 true DE9401661U1 (en) 1994-04-07

Family

ID=6904003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9401661U Expired - Lifetime DE9401661U1 (en) 1994-02-02 1994-02-02 Leak rate determining element of a test leak

Country Status (1)

Country Link
DE (1) DE9401661U1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636490A1 (en) * 1986-10-27 1988-04-28 Labomatic Ag CLOSING DEVICE FOR A COLUMN FOR CHROMATOGRAPHY

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636490A1 (en) * 1986-10-27 1988-04-28 Labomatic Ag CLOSING DEVICE FOR A COLUMN FOR CHROMATOGRAPHY

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BOHATKA, S. *
BÜRGER H.D.: Lecksuche an Chemieanlagen mit HeliumMassenspektrometer-Lecksuchern. In: Vakuum-Technik29.Jg., H.8, S.232-245 *
et.al.: Leak detection of high pres- sure vessels. In: Vacuum, Vol.33,No.1/2, 1983, S.17-18 *
GOLDFARB, S.R.: Some Practical Considerations in the Application of the Helium Mass Spectrometer Type Leak Detector. In: Material evaluation, aug. 1957, S.177-182 *
JENNINGS, Walter G.: Comparisons of Fused Silica and Other Glass Columns in Gas Chromatography, Dr. Alfred Hüthig Verlag, Heidelberg, 1981, S. 52-55 *

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