Gas supply system with purge means
US4169486A · kind A · utility
33Cited by
3References
7Claims
0Family size
Inventors
Key dates
| Filing date | May 6, 1977 |
| Grant date | Oct 2, 1979 |
| Priority date | — |
| Expiry date | May 6, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4259
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas supply system including purge means. A supply conduit having an inlet and an outlet and a downstream direction of flow has within it a purge conduit with an inlet and a discharge port. The discharge port is directed upstream in the supply conduit and discharges adjacent to its inlet, whereby to purge that region of the supply conduit and to sweep gases from the entire supply conduit. The system is also provided with a selector valve able selectively to deliver gas to a delivery conduit or to a vent conduit or to shut them both off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.