Apparatus for dosage of a condensed gas
US4862696A · kind A · utility
6Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1989 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Feb 17, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/021
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for a dosage of minor amounts of condensed gas includes a container (2) connected to a source of liquid gas by an inlet conduit (5). The container is thermally insulated (3) and disposed in a surrounding jacket (6). Apparatus includes a device (17) for maintaining a predetermined liquid level in container (2) and a dosage pump (4). The dosage pump (4) is disposed in container (2) below the predetermined liquid level (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.