IT1224604B - Rivelatore perfezionato di perdite di elio - Google Patents
Rivelatore perfezionato di perdite di elioInfo
- Publication number
- IT1224604B IT1224604B IT8867711A IT6771188A IT1224604B IT 1224604 B IT1224604 B IT 1224604B IT 8867711 A IT8867711 A IT 8867711A IT 6771188 A IT6771188 A IT 6771188A IT 1224604 B IT1224604 B IT 1224604B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- detector
- helium leaks
- helium
- leaks
- Prior art date
Links
- 229910052734 helium Inorganic materials 0.000 title 1
- 239000001307 helium Substances 0.000 title 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8867711A IT1224604B (it) | 1988-07-27 | 1988-07-27 | Rivelatore perfezionato di perdite di elio |
EP88202518A EP0352371B2 (en) | 1988-07-27 | 1988-11-11 | Detector for helium leaks |
DE3872707T DE3872707T2 (de) | 1988-07-27 | 1988-11-11 | Heliumleckdetektor. |
JP63296416A JPH061230B2 (ja) | 1988-07-27 | 1988-11-25 | ヘリウム漏洩用の改良検出器 |
HK97101508A HK1000017A1 (en) | 1988-07-27 | 1997-07-07 | Detector for helium leaks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8867711A IT1224604B (it) | 1988-07-27 | 1988-07-27 | Rivelatore perfezionato di perdite di elio |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8867711A0 IT8867711A0 (it) | 1988-07-27 |
IT1224604B true IT1224604B (it) | 1990-10-04 |
Family
ID=11304704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8867711A IT1224604B (it) | 1988-07-27 | 1988-07-27 | Rivelatore perfezionato di perdite di elio |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0352371B2 (it) |
JP (1) | JPH061230B2 (it) |
DE (1) | DE3872707T2 (it) |
HK (1) | HK1000017A1 (it) |
IT (1) | IT1224604B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9202350U1 (de) * | 1992-02-24 | 1992-04-16 | Leybold AG, 6450 Hanau | In Flüssigkeiten einsetzbare Gassonde |
IT1256824B (it) * | 1992-05-14 | 1995-12-21 | Varian Spa | Unita' rivelatrice di elio perfezionata. |
DE4326267A1 (de) * | 1993-08-05 | 1995-02-09 | Leybold Ag | Lecksuchgerät |
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 |
US5401298A (en) * | 1993-09-17 | 1995-03-28 | Leybold Inficon, Inc. | Sorption pump |
DE19521275A1 (de) * | 1995-06-10 | 1996-12-12 | Leybold Ag | Gasdurchlaß mit selektiv wirkender Durchtrittsfläche sowie Verfahren zur Herstellung der Durchtrittsfläche |
DE10031882A1 (de) | 2000-06-30 | 2002-01-10 | Leybold Vakuum Gmbh | Sensor für Helium oder Wasserstoff |
ITTO20030032A1 (it) | 2003-01-24 | 2004-07-25 | Varian Spa | Membrana permeabile selettivamente ai gas e metodo per la sua realizzazione. |
EP1631806B1 (en) * | 2003-06-11 | 2011-04-20 | Agilent Technologies, Inc. | Methods and apparatus for detection of large leaks in sealed articles |
US7290439B2 (en) | 2003-06-11 | 2007-11-06 | Varian, Inc. | Methods and apparatus for leak detection by the accumulation method |
WO2004113862A1 (en) * | 2003-06-11 | 2004-12-29 | Varian, Inc. | Methods and apparatus for leak detection in contaminated environments |
WO2005059499A1 (en) * | 2003-12-19 | 2005-06-30 | Tpa Brianza Picc.Soc.Coop.A.R.L. | System and device for leak detection |
EP1555520B1 (en) * | 2004-01-13 | 2007-09-12 | VARIAN S.p.A. | Leak detector |
DE102005021909A1 (de) * | 2005-05-12 | 2006-11-16 | Inficon Gmbh | Schnüffellecksucher mit Quarzfenstersensor |
DE102005043494A1 (de) * | 2005-09-13 | 2007-03-15 | Inficon Gmbh | Lecksuchgerät mit Schnüffelsonde |
EP1772719B1 (en) | 2005-09-20 | 2008-11-05 | VARIAN S.p.A. | Device and method for detecting the presence of test gas |
DE102006047856A1 (de) * | 2006-10-10 | 2008-04-17 | Inficon Gmbh | Schnüffellecksucher |
US7497110B2 (en) | 2007-02-28 | 2009-03-03 | Varian, Inc. | Methods and apparatus for test gas leak detection |
FR2921488A1 (fr) | 2007-09-26 | 2009-03-27 | Alcatel Lucent Sas | Dispositif et procede pour la detection de fuites a haute pression pr gaz traceur dans une piece a tester. |
WO2009136821A1 (en) * | 2008-05-05 | 2009-11-12 | Adixen Sensistor Ab | A gas probe for sampling gas molecules from a fluid and a system comprising the gas probe |
JP5145148B2 (ja) * | 2008-07-17 | 2013-02-13 | 株式会社アルバック | ヘリウム検出ユニット |
KR101422506B1 (ko) * | 2013-05-24 | 2014-07-24 | 삼성중공업 주식회사 | 플랜지 누설검사장치 및 이를 이용한 플랜지 누설검사방법 |
DE102013216450A1 (de) * | 2013-08-20 | 2015-02-26 | Inficon Gmbh | Pico-Prüfleck |
US11230300B2 (en) * | 2018-06-29 | 2022-01-25 | Hyperloop Transportation Technologies, Inc. | Method of using air and helium in low-pressure tube transportation systems |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1310649A (fr) * | 1961-10-18 | 1962-11-30 | Quartex Sa | Fuite étalon à réserve de gaz, en particulier d'hélium, pour l'étalonnage de spectromètres de masse utilisés comme détecteurs de fuites |
DE1648484A1 (de) * | 1967-02-11 | 1971-07-08 | Kernforschung Gmbh Ges Fuer | Lecksuchgeraet zum Auffinden von feinen Leckstellen |
US4459844A (en) | 1982-06-17 | 1984-07-17 | Smith & Denison | Gas separation chamber and portable leak detection system |
DE3613694A1 (de) * | 1986-04-23 | 1987-10-29 | Leybold Heraeus Gmbh & Co Kg | Vorrichtung zur kalibrierung des detektors eines lecksuchgeraetes |
-
1988
- 1988-07-27 IT IT8867711A patent/IT1224604B/it active
- 1988-11-11 DE DE3872707T patent/DE3872707T2/de not_active Expired - Lifetime
- 1988-11-11 EP EP88202518A patent/EP0352371B2/en not_active Expired - Lifetime
- 1988-11-25 JP JP63296416A patent/JPH061230B2/ja not_active Expired - Lifetime
-
1997
- 1997-07-07 HK HK97101508A patent/HK1000017A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3872707T2 (de) | 1996-08-29 |
HK1000017A1 (en) | 1997-10-03 |
EP0352371B2 (en) | 1996-03-27 |
JPH061230B2 (ja) | 1994-01-05 |
DE3872707D1 (de) | 1992-08-13 |
EP0352371A3 (en) | 1990-05-30 |
IT8867711A0 (it) | 1988-07-27 |
EP0352371B1 (en) | 1992-07-08 |
EP0352371A2 (en) | 1990-01-31 |
JPH0254163A (ja) | 1990-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970523 |