AIRCRAFT ENGINE EXHAUST MIXER
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Jan 9, 2023
filing date -
Jan 9, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
An aircraft engine including a core casing defining a core passage, a nacelle located radially outward from and circumferentially around the casing, and a bypass passage radially defined between nacelle and casing. A mixer mounted to the casing, including a wall having a leading edge attached to casing and defining a plurality of lobes that are circumferentially spaced apart. A damper ring surrounds the mixer at an axial location between leading edge and trailing edge of the wall, and extends circumferentially uninterrupted, and extends axially from first side to second side. The first side being spaced axially away from the leading edge, and the damper ring having an annular ring surface extending between the first and second sides and second side. The damper ring is radially mounted to the mixer wall via an annular ring surface to dampen the wall.
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