Hydrostatic non-contact seal with varied thickness beams
US10641180B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2017 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Oct 29, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A non-contact seal assembly includes a plurality of seal shoes arranged about a centerline in an annular array. The seal shoes include a first seal shoe extending axially along the centerline between a first shoe end and a second shoe end. A seal base circumscribes the annular array of the seal shoes. The assembly also includes a plurality of spring elements, each of the spring elements radially between and connecting a respective one of the seal shoes with the seal base. Each of the spring elements comprises a first beam having a first beam thickness and a second beam thickness, where the first and second beam thicknesses are different.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.