Tracer gas leak detection system
US5107697A · kind A · utility
13Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1990 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Oct 22, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/202
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tracer gas leak detection system for: a first duct provided with a pre-evacuation valve, enabling a test chamber to be connected to the suction of a pre-evacuation pump. A gas analyzer is connected to the suction of a mechanical secondary pump whose delivery is connected by a second duct to a primary pump. At least one connection is provided with an inlet valve connecting of the text chamber to the mechanical secondary pump and the system further includes a second mechanical secondary pump situated on the first duct downstream from the pre-evacuation valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.