DE2841224C2 - - Google Patents
Info
- Publication number
- DE2841224C2 DE2841224C2 DE2841224A DE2841224A DE2841224C2 DE 2841224 C2 DE2841224 C2 DE 2841224C2 DE 2841224 A DE2841224 A DE 2841224A DE 2841224 A DE2841224 A DE 2841224A DE 2841224 C2 DE2841224 C2 DE 2841224C2
- Authority
- DE
- Germany
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE859352 | 1977-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2841224A1 DE2841224A1 (de) | 1979-04-12 |
DE2841224C2 true DE2841224C2 (US20110009641A1-20110113-C00256.png) | 1987-01-29 |
Family
ID=3861591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782841224 Granted DE2841224A1 (de) | 1977-10-04 | 1978-09-22 | Gas-leckmessgeraet |
Country Status (5)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521372A (en) * | 1981-08-26 | 1985-06-04 | Nuclear Monitoring Systems & Management Corporation | Apparatus and method for monitoring stored material |
GB2123153A (en) * | 1982-06-30 | 1984-01-25 | Boc Group Plc | Leak detector |
US4492110A (en) * | 1983-06-01 | 1985-01-08 | Martin Marietta Corporation | Ultra sensitive noble gas leak detector |
US4534204A (en) * | 1983-06-01 | 1985-08-13 | Martin Marietta Corporation | Calibration method for ultra sensitive noble gas leak detector |
DE3831258C1 (US20110009641A1-20110113-C00256.png) * | 1988-09-14 | 1989-10-12 | Alcatel Hochvakuumtechnik Gmbh, 6980 Wertheim, De | |
DE4140366A1 (de) * | 1991-12-07 | 1993-06-09 | Leybold Ag, 6450 Hanau, De | Lecksucher fuer vakuumanlagen sowie verfahren zur durchfuehrung der lecksuche an vakuumanlagen |
JPH0674855A (ja) * | 1992-07-08 | 1994-03-18 | Hitachi Bill Shisetsu Eng Kk | 真空漏洩検出方法、および同装置 |
DE4228085A1 (de) * | 1992-08-24 | 1994-03-03 | Leybold Ag | Verfahren und Vorrichtung zum Nachweis eines leichten Testgases in einer Flüssigkeit |
DE4228149A1 (de) * | 1992-08-25 | 1994-03-03 | Leybold Ag | Vakuum-Meßgerät für die integrale Dichtigkeitskontrolle mit leichten Gasen |
DE4343912A1 (de) * | 1993-12-22 | 1995-06-29 | Leybold Ag | Verfahren zum Betrieb eines mit einer Schnüffelleitung ausgerüsteten Testgaslecksuchers sowie für die Durchführung dieses Verfahrens geeigneter Testgaslecksucher |
DE9405028U1 (de) * | 1994-03-24 | 1994-06-09 | Leybold AG, 50968 Köln | Testgas-Lecksuchgerät |
DE19522466A1 (de) * | 1995-06-21 | 1997-01-02 | Leybold Ag | Lecksuchgerät mit Vorvakuumpumpe |
US5553483A (en) * | 1995-08-15 | 1996-09-10 | Pilot Industries, Inc. | Leak detection system |
FR2787192B1 (fr) * | 1998-12-10 | 2001-01-05 | Cit Alcatel | Vitesse variable sur le pompage primaire d'un detecteur de fuites par gaz traceur |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227872A (en) * | 1959-05-25 | 1966-01-04 | Robert C Nemeth | Mass spectrometer leak detecting device in combination with a gettering chamber |
BE622048A (US20110009641A1-20110113-C00256.png) * | 1960-10-03 | |||
DE1648648C3 (de) * | 1967-04-12 | 1980-01-24 | Arthur Pfeiffer-Hochvakuumtechnik Gmbh, 6330 Wetzlar | Anordnung zur Lecksuche nach dem Massenspektrometer-Prinzip |
US3992626A (en) * | 1973-02-23 | 1976-11-16 | Honeywell Inc. | Test instrument |
-
1977
- 1977-10-04 BE BE181433A patent/BE859352A/xx not_active IP Right Cessation
-
1978
- 1978-09-22 DE DE19782841224 patent/DE2841224A1/de active Granted
- 1978-09-25 US US05/945,630 patent/US4195224A/en not_active Expired - Lifetime
- 1978-09-28 GB GB7838565A patent/GB2005427B/en not_active Expired
- 1978-09-29 FR FR7827999A patent/FR2405479A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
BE859352A (fr) | 1978-02-01 |
US4195224A (en) | 1980-03-25 |
FR2405479B3 (US20110009641A1-20110113-C00256.png) | 1981-07-17 |
DE2841224A1 (de) | 1979-04-12 |
GB2005427A (en) | 1979-04-19 |
GB2005427B (en) | 1982-02-17 |
FR2405479A1 (fr) | 1979-05-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8331 | Complete revocation |