DE69103499D1 - Hochleistungsleckdetektor mit drei Molekularfiltern. - Google Patents
Hochleistungsleckdetektor mit drei Molekularfiltern.Info
- Publication number
- DE69103499D1 DE69103499D1 DE69103499T DE69103499T DE69103499D1 DE 69103499 D1 DE69103499 D1 DE 69103499D1 DE 69103499 T DE69103499 T DE 69103499T DE 69103499 T DE69103499 T DE 69103499T DE 69103499 D1 DE69103499 D1 DE 69103499D1
- Authority
- DE
- Germany
- Prior art keywords
- pump
- valve
- low
- rate
- leak detector
- 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 - Fee Related
Links
- 229910052734 helium Inorganic materials 0.000 abstract 2
- 239000001307 helium Substances 0.000 abstract 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 2
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
- G01M3/22—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 for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—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 for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
-
- 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)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9011027A FR2666410B1 (fr) | 1990-09-05 | 1990-09-05 | Detecteur de fuite haut flux a trois filtres moleculaires. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69103499D1 true DE69103499D1 (de) | 1994-09-22 |
DE69103499T2 DE69103499T2 (de) | 1994-12-08 |
Family
ID=9400095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69103499T Expired - Fee Related DE69103499T2 (de) | 1990-09-05 | 1991-09-03 | Hochleistungsleckdetektor mit drei Molekularfiltern. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5193380A (de) |
EP (1) | EP0475246B1 (de) |
JP (1) | JPH04233428A (de) |
AT (1) | ATE110168T1 (de) |
DE (1) | DE69103499T2 (de) |
ES (1) | ES2062635T3 (de) |
FR (1) | FR2666410B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109519407A (zh) * | 2018-12-06 | 2019-03-26 | 北京东方计量测试研究所 | 一种宽量程高精度分子泵压缩比测试装置及方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2681688B1 (fr) * | 1991-09-24 | 1993-11-19 | Alcatel Cit | Installation de detection de fuites de gaz utilisant la technique de reniflage. |
DE4326265A1 (de) * | 1993-08-05 | 1995-02-09 | Leybold Ag | Testgasdetektor, vorzugsweise für Lecksuchgeräte, sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art |
DE4326267A1 (de) * | 1993-08-05 | 1995-02-09 | Leybold Ag | Lecksuchgerät |
DE19846799A1 (de) * | 1998-10-10 | 2000-04-13 | Leybold Vakuum Gmbh | Verfahren zum Betrieb eines Folien-Lecksuchers sowie für die Durchführung dieses Verfahrens geeigneter Folien-Lecksucher |
FR2787192B1 (fr) * | 1998-12-10 | 2001-01-05 | Cit Alcatel | Vitesse variable sur le pompage primaire d'un detecteur de fuites par gaz traceur |
US6178700B1 (en) | 1999-07-23 | 2001-01-30 | Alabama Metal Industries Corporation | Door frame reinforcing structure |
DE10156205A1 (de) * | 2001-11-15 | 2003-06-05 | Inficon Gmbh | Testgaslecksuchgerät |
EP1631805B1 (de) * | 2003-06-11 | 2016-07-20 | Agilent Technologies, Inc. | Verfahren und vorrichtung zur leckdetektion mittels der gasanreicherungsmethode |
CN100529705C (zh) * | 2003-06-11 | 2009-08-19 | 瓦里安有限公司 | 用于大泄漏测试的方法和装置 |
DE102007043382A1 (de) * | 2007-09-12 | 2009-03-19 | Inficon Gmbh | Schnüffellecksucher |
DE102011107334B4 (de) | 2011-07-14 | 2023-03-16 | Leybold Gmbh | Lecksucheinrichtung sowie Verfahren zum Überprüfen von Gegenständen auf Dichtigkeit mittels einer Lecksucheinrichtung |
CN104330222A (zh) * | 2014-11-21 | 2015-02-04 | 山西新华化工有限责任公司 | 面具水下气密检测系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1474137A (fr) * | 1966-02-08 | 1967-03-24 | Alcatel Sa | Détecteur de fuites à l'hélium aisément transportable |
US3591827A (en) * | 1967-11-29 | 1971-07-06 | Andar Iti Inc | Ion-pumped mass spectrometer leak detector apparatus and method and ion pump therefor |
US4472962A (en) * | 1981-08-03 | 1984-09-25 | Balzers Aktiengesellschaft | Low pressure leak detector |
US4499752A (en) * | 1983-06-22 | 1985-02-19 | Varian Associates, Inc. | Counterflow leak detector with cold trap |
US4583394A (en) * | 1984-08-07 | 1986-04-22 | Japan Atomic Energy Research Institute | Device and method for leak location |
US4618855A (en) * | 1984-12-14 | 1986-10-21 | Genelco, Inc. | Soil pollution monitoring system |
GB2190204B (en) * | 1986-05-09 | 1990-10-17 | Boc Group Plc | Improvement in leak detectors |
EP0283543B1 (de) * | 1987-03-27 | 1991-12-11 | Leybold Aktiengesellschaft | Lecksuchgerät und Betriebsverfahren dazu |
US4863496A (en) * | 1988-04-13 | 1989-09-05 | E. I. Du Pont De Nemours And Co. | Reactive posttreatment for gas separation membranes |
EP0344345B1 (de) * | 1988-06-01 | 1991-09-18 | Leybold Aktiengesellschaft | Pumpsystem für ein Lecksuchgerät |
FR2653558B1 (fr) * | 1989-10-23 | 1994-06-10 | Cit Alcatel | Systeme de detection de fuites a gaz traceur. |
US5010761A (en) * | 1990-03-01 | 1991-04-30 | Superior Industries International, Inc. | Automated leak detection apparatus and method therefor |
-
1990
- 1990-09-05 FR FR9011027A patent/FR2666410B1/fr not_active Expired - Fee Related
-
1991
- 1991-09-03 AT AT91114833T patent/ATE110168T1/de not_active IP Right Cessation
- 1991-09-03 ES ES91114833T patent/ES2062635T3/es not_active Expired - Lifetime
- 1991-09-03 EP EP91114833A patent/EP0475246B1/de not_active Expired - Lifetime
- 1991-09-03 DE DE69103499T patent/DE69103499T2/de not_active Expired - Fee Related
- 1991-09-05 US US07/755,243 patent/US5193380A/en not_active Expired - Fee Related
- 1991-09-05 JP JP3226093A patent/JPH04233428A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109519407A (zh) * | 2018-12-06 | 2019-03-26 | 北京东方计量测试研究所 | 一种宽量程高精度分子泵压缩比测试装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE110168T1 (de) | 1994-09-15 |
EP0475246B1 (de) | 1994-08-17 |
FR2666410A1 (fr) | 1992-03-06 |
DE69103499T2 (de) | 1994-12-08 |
US5193380A (en) | 1993-03-16 |
JPH04233428A (ja) | 1992-08-21 |
FR2666410B1 (fr) | 1993-10-08 |
EP0475246A1 (de) | 1992-03-18 |
ES2062635T3 (es) | 1994-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69103499D1 (de) | Hochleistungsleckdetektor mit drei Molekularfiltern. | |
FR2681688B1 (fr) | Installation de detection de fuites de gaz utilisant la technique de reniflage. | |
Aaron et al. | Experimentation, analysis, and correlation of refrigerant-22 flow through short tube restrictors | |
ES2135363T1 (es) | Aparato de valvula para uso con un equipo intravenoso. | |
ATE198844T1 (de) | Pumpvorrichtung mit faltbarer pumpenkammer mit mehreren funktionen | |
ES2074910T3 (es) | Un aparato para filtrar particulas solidas de un fluido. | |
MX170243B (es) | Aparato impulsado a motor, electronicamente conmutado | |
RU94026284A (ru) | Двухпутевой встроенный клапан в качестве гидро- или пневмоаппарата | |
FR2604522B1 (fr) | Installation de detection de fuite a gaz traceur et procede d'utilisation | |
DE69202951D1 (de) | Spürgaslecksuchdetektor. | |
ATE117410T1 (de) | Zweite stufe für mechanische vakuumpumpeinheit und lecküberwachungssystem zur anwendung dieser einheit. | |
DE69007930T2 (de) | System zur Aufspürung von Undichtigkeit unter Verwendung von Trägergas. | |
EP0033945B2 (de) | Lecksuchvorrichtung mit Helium | |
Choe | Hälder regularity for the gradient of solutions of certain singular parabolic systems | |
DE69218765D1 (de) | Einlasssystem mit variablem druck für hydraulische pumpen | |
DE69318674D1 (de) | Vakuumpumpe mit einem ölgeregelten Einlass-Absperrventil | |
SE9103522D0 (sv) | Anordning foer ljuddaempning i ett kanalsystem, i synnerhet i ett avgassystem foer foerbraenningsmotorer | |
RU97102103A (ru) | Вакуумное устройство и туалет с вакуумной системой, включающий в себя это устройство | |
GB2012365A (en) | Diffusion Pump for Leak Detector | |
ES2119243T3 (es) | Sistema electronico para calcular el tiempo de inyeccion. | |
Anwar | Seal studies for advanced flywheel systems | |
SU1038590A1 (ru) | Центробежный насос | |
Jiang et al. | Remarks on the global existence in the dynamics of a viscous, heat-conducting, one-dimensional gas | |
SU679763A1 (ru) | Электромагнитный клапан | |
ATE160617T1 (de) | Einlassregelvorrichtung für verdichter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |