Method for leak testing closed, at least partially gas filled containers
US9891132B2 · kind B2 · utility
2Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2009 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Jul 1, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/229
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
For detected smallest leak in closed containers, which are at least to a part filled with a gas, the container (1) is pressurized by a test gas (g(s)) for an amount of time. The test gas (g(s)) comprises a gas species (s). The amount of the addressed gas species (s) which has penetrated in the container 1 it is sensed (7) as a leak indication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.