Fatigue resistant blade outer air seal
US11591917B2 · kind B2 · utility
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16Claims
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Assignee
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Key dates
| Filing date | Jun 7, 2019 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Feb 5, 2041 |
Classification
- Technology area (CPC —)General
Abstract
A blade outer air seal segment including a radially outward surface, a radially inward surface oriented away from the radially outward surface, and a cooling channel located between the radially outward surface and the radially inward surface. The blade outer air seal segment also including a stress-relief boss extending into the cooling channel and an inlet orifice fluidly coupled to the cooling channel through the stress-relief boss. The blade outer air seal segment further including a stress-relief recess. The stress-relief boss being located within the stress relief recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.