Turboexpander labyrinth seal
US12241552B2 · kind B2 · utility
0Cited by
25References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2023 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Jun 27, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/4472
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is disclosed a labyrinth seal arrangement for gas turboexpanders and the like which reduces process gas losses. The labyrinth seal includes a plurality of axially spaced seal sets with teeth facing a seal member. A plurality of vent ports in between each seal set permits extraction of gradually lower pressure process gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.