Grooved honeycomb labyrinth seal for steam turbines
US4416457A · kind A · utility
11Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1983 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Jan 24, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/283
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A circular grooved honeycomb labyrinth seal having a plurality of arcuate base portions, a plurality of honeycomb-shaped cell portions extending radially inwardly from the base portion with a plurality of passages disposed adjacent the base portion, the passages being in fluid communication with each cell and with the upstream side and the downstream side of the honeycomb labyrinth seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.