Rotatable forged disc for a bladed rotor wheel and a method for manufacturing thereof
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United States of America Patent
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-
Dec 20, 2022
Grant Date -
Sep 30, 2021
app pub date -
Mar 29, 2021
filing date -
Mar 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a bladed rotor wheel for a gas turbine engine comprising at least a rotatable forged disc, the rotatable forged disc comprising a front surface and a back surface, at least one rim surface, and a plurality of projections located on at least a portion of at least one of the front or back surface and/or on the rim surface; wherein the projections are 3D printed features protruding outwards from the front, back and/or rim surface; the projections are arranged forming a pattern so that a heat transfer capability is created at the front, back and/or rim surface; and the ratio of the distance between projections to the forged disc external radius is lower than 0.15. Furthermore, the present invention also provides a method for manufacturing a rotatable forged disc for a bladed rotor wheel.
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