Detector for helium leaks
US5325708A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1992 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Aug 21, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to an improved helium detecting unit particularly adapted to be used under difficult conditions and in places without power supply sources, which comprises an electronic processing stage [means] [implementing the task of] for calculating the helium concentration in the gas mixture to be sampled and an electronic controlling stage [means] for controlling the detecting unit, and wherein there is provided a sampling chamber, coated with a reflecting material and provided with a gap, mounting a sinterized filtering member adapted for cooling the sampled gas flow coming out of a sucking sampling pump equipped with a filter against the impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.