IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE
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United States of America Patent
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Issued Date -
Jun 29, 2023
app pub date -
Jun 1, 2021
filing date -
Jun 10, 2020
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Abstract
Counter-rotating turbine of a turbomachine extending about an axis of rotation and comprising an inner rotor having 5 at least one inner moving blade supported in rotation by a first shaft, an outer rotor rotating in an opposite direction to the inner rotor, and comprising at least one outer moving blade supported in rotation by a second shaft coaxial with the first shaft, the first 10 and second shafts extending axially from upstream to downstream of the turbine, the first shaft being guided in rotation by a first bearing disposed between the first shaft and an upstream casing of the turbine, and the second shaft being guided in rotation by a second bearing disposed between the second 15 shaft and said upstream casing of the turbine, the first bearing and the second bearing being disposed upstream of a first stage of the inner rotor.
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