Method and apparatus for testing fluid-filled systems for leaks
US4918975A · kind A · utility
60Cited by
9References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1988 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Mar 31, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/205
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a leak checking method for systems filled with fluids. A test gas, preferably helium, is introduced into the fluid and test gas escaping through any leak in the wall of the system is detected with the aid of a test gas sensitive detector. This method allows highly sensitive and continuous leak checks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.