Closure device for a turbomachine casing
US7850427B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Aug 1, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/426
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high pressure turbomachine includes a casing having an interior chamber, an opening into the interior chamber, and a generally annular wall section extending about the opening and having an outer circumferential surface. A closure device is engageable with the casing and includes a body having an inner circumferential overlap surface defining an opening. The closure body is configured to receive at least a portion of the casing annular wall section within the body opening such that the closure body overlap surface extends about the annular wall section outer surface so that the body substantially closes the casing opening. When the casing chamber contains high pressure fluid, the casing wall section expands radially outwardly such that the casing section outer surface pushes generally radially outwardly against the closure body overlap surface, the closure body being configured to either minimize or substantially prevent casing wall radial expansion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.