Seal
US8439364B2 · kind B2 · utility
2Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2008 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Sep 6, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3292
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This invention relates to a seal for sealing between a stator and rotor, including a generally annular carrier (11), an array of adjacent leaves (12) mounted in the annular carrier for sealing between the stator and the rotor with their panes lying parallel to the axis of the carrier and front and back plates (15, 16) disposed on respective axial sides of the leaves, characterized in the front and back plates (15, 16) have one or more apertures (17, 18) dimensioned for providing a substantially symmetric pressure drop across the leaves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.