NASA NTRS · 20150003129
Turbine Engine with Differential Gear Driven Fan and Compressor
Abstract
A gas turbine engine provides a differential gear system coupling the turbine to the bypass fan and the compressor. In this manner, the power/speed split between the bypass fan and the compressor can be optimized under all conditions. In the example shown, the turbine drives a sun gear, which drives a planet carrier and a ring gear in a differential manner. One of the planet carrier and the ring gear is coupled to the bypass fan, while the other is coupled to the compressor.
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Suciu, Gabriel L., Pagluica, Gino J., Duong, Loc Quang, Portlock, Lawrence E.. 2013-10-22. Turbine Engine with Differential Gear Driven Fan and Compressor. https://ntrs.nasa.gov/citations/20150003129
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