Reduced emission gas seal
US10871167B2 · kind B2 · utility
1Cited by
22References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2019 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | May 3, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/40
- 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.