Inclination of forward and aft groove walls of casing treatment for gas turbine engine
US11078805B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2019 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/55
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressor for use in a gas turbine engine including: an airfoil configured to rotate about an engine central longitudinal axis of the gas turbine engine; a casing, the casing including a radially inward surface; and a groove located within the casing opposite the airfoil, the groove is recessed in a radially outward direction from the radially inward surface of the casing, wherein the groove is defined by a forward groove wall, an aft groove wall opposite the forward groove wall, and a base groove interposed between the forward groove wall and the aft groove wall, and wherein the forward groove wall is operably shaped to generate an aft directed jet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.