Rotary machine sealing assembly
US6969231B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2002 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Mar 6, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D11/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sealing assembly for disposition in a rotary machine is disposed between a rotary component and a stationary component of the rotary machine. The sealing assembly includes at least one sealing strip affixed by caulking to one of the rotary and stationary components. An abradable portion is disposed on another of the rotary and stationary components and is positioned radially opposite to the at least one sealing strip. The abradable portion includes a thermal spray coated material, and the thermal spray coated material includes Cobalt, Nickel, Chromium, Aluminum, Yttrium (CoNiCrAlY) and further includes a material selected from the group consisting of hexagonal boron nitride, a thermoset polymer, and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.