GAS TURBINE ENGINE WITH INTERDIGITATED TURBINE AND GEAR ASSEMBLY
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jun 30, 2022
app pub date -
Dec 31, 2020
filing date -
Dec 31, 2020
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Abstract
A gas turbine engine having an interdigitated turbine assembly including a first turbine rotor and a second turbine rotor, wherein a total number of stages at the interdigitated turbine assembly is between 3 and 8, and an average stage pressure ratio at the interdigitated turbine assembly is between 1.3 and 1.9. A gear assembly is configured to receive power from the interdigitated turbine assembly, and a fan assembly is configured to receive power from the gear assembly. The interdigitated turbine assembly and the gear assembly are together configured to allow the second turbine rotor to rotate at a second rotational speed greater than a first rotational speed at the first turbine rotor. The fan assembly and the gear assembly are together configured to allow the fan assembly to rotate at a third rotational speed less than the first rotational speed and the second rotational speed. The interdigitated turbine assembly, the gear assembly, and the fan assembly together have a maximum AN2 at the second turbine rotor between 30 and 90.
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