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US 2013/0255274 A1Published application
Geared architecture with speed change device for gas turbine engine
OwnerDaniel Bernard Kupratis, Frederick M. Schwarzinventors
Life of this patent
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Abstract
A gas turbine engine includes first and second shafts rotatable about a common axis. The gas turbine engine includes a fan, and first and second gear trains interconnected to one another and coupling the first shaft to fan.
Claims19
A gas turbine engine comprising:
- first and second shafts rotatable about a common axis;
- a fan;
- and
- first and second gear trains interconnected to one another and coupling the first shaft to fan.
1 more element
A gas turbine engine comprising:
- first and second shafts rotatable about a common axis;
- a fan;
- first and second gear trains interconnected to one another and coupling the first shaft to fan, the first gear train is an epicyclic gear train;
- a first turbine section supported on the first shaft, second compressor and turbine sections supported on the second shaft, and a first compressor section coupled to the first gear train;
- and
- wherein first and second shafts respectively provide low and high spools, and the first compressor and turbine sections are low pressure compressor and turbine sections, and the second compressor and turbine sections are high pressure compressor and turbine sections.
3 more elements
Dependencies are inferred from the claim text.