Multi-spool geared turbofan arrangement with integrated starter/generator
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United States of America
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Mar 29, 2022
Grant Date -
Dec 23, 2021
app pub date -
Jun 22, 2020
filing date -
Jun 22, 2020
priority date (Note) -
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Abstract
A geared turbofan engine with at least one compression stage and at least one turbine stage on a high speed shaft, the high speed shaft coupled through a speed reduction gear box to a low speed shaft with a fan and a starter/generator. The low speed shaft is collinear with the high speed shaft but does not rotate within the high speed shaft. The speed reduction gear box is positioned between and mechanically couples the high speed shaft and the low speed shaft, which allows the fan and the integrated starter/generator on the low speed shaft to operate at a lower speed than the high speed shaft.
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