-23 A ram air turbine rotor comprises at least one intra-flow path shroud structure coupled between rotor blades, along a radial position between a support disc and an outer rim. The shroud structure includes shroud sectors each coupled between a respective pair of blades. The sectors each include a first edge adjacent to leading edges of the respective pair of blades, the first edge including a first curved segment, and a second edge adjacent to trailing edges of the respective pair of blades, the second edge including a second curved segment. The curved segments are each partially defined by a respective ellipse having a semi-major axis and a semi-minor axis. The semi-major axis is a portion of a spanwise distance between the respective pair of blades. The semi-minor axis is a portion of an axial distance between the leading edge of one blade and the trailing edge of an adjacent blade. CN\ 0c
GEOMETRIC APPROACH TO STRESS REDUCED INTRA-FLOW PATH SHROUDS FOR TUNING MODAL RESPONSES IN RAM AIR TURBINE ROTORS
2022-05-19
Patent
Elektronische Ressource
Englisch
Europäisches Patentamt | 2022
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