Labyrinth seal for steam turbines
US5037114A · kind A · utility
7Cited by
12References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Dec 24, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/444
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A honeycomb labyrinth seal includes a downstream-most row of honeycomb cells which extends beyond the exit edge of a base portion, so that a portion of each cell of the downstream-most row of honeycomb cells overhangs the base portion by an amount approximately equal to one half the width of the drainage passages formed in the base portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.