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US 2014/0212261 A1Published application
Lightweight shrouded fan
AssigneeUnited Technologies Corporation
InventorsFrederick M. Schwarz, Michael A. Weisse
Life of this patent
Estimating the term…
Abstract
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan section including a fan with a plurality of fan blades rotatable about an axis and a shroud and a speed change device in communication with the fan.
Claims20
A gas turbine engine comprising:
- a fan section including a fan with a plurality of fan blades rotatable about an axis and a shroud;
- and
- a speed change device in communication with the fan.
A method of assembling a gas turbine engine comprising the steps of:
- positioning a turbine section in communication with a shaft;
- positioning a speed change device in communication with the shaft;
- and
- positioning a fan section in communication with the speed change device, the fan section includes a plurality of fan blades and a shroud.
1 more element
A method of operating gas turbine engine comprising the steps of:
- rotating a fan section including a shroud at a first speed;
- rotating a turbine section at a second speed, wherein the first speed is different from the second speed.
Dependencies are inferred from the claim text.