Reduced emission gas seal
US11796064B2 · kind B2 · utility
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29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2022 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Apr 11, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/15
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A dry gas mechanical seal system configured to inhibit the emission of process gas. The mechanical seal system having tandem first and second stage seals, and a single separation gas supply subsystem configured to direct a supply of separation gas from an inlet through interfacing portions of the first stage seal into a process cavity and from the inlet through the interfacing portions of the second stage seal and out through an outlet to the atmosphere, thereby inhibiting the emission of process gas between a compressor housing and a rotating compressor shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.