Gas turbine engine with improved fuel efficiency
Filed: January 17th, 2013 [Granted]
Patent Number: WO2013154639A3
A turbofan engine includes a fan driven by a low pressure turbine through a gear reduction. The gear reduction has a gear ratio of greater than ...
Pump system for hpc ecs parasitic loss elimination
Filed: March 11th, 2013 [Granted]
Patent Number: WO2013180789A3
An engine includes a duct containing a flow of cool air and a pump system for providing air to an environmental control system. The pump ...
Counter rotating low pressure compressor and turbine each having a gear system
Filed: February 25th, 2013 [Granted]
Patent Number: WO2013187944A3
A compressor section includes a counter rotating low pressure compressor that includes outer and inner compressor blades interspersed with ...
Method of manufacturing an airfoil
Filed: February 7th, 2013 [Granted]
Patent Number: WO2013162670A3
Disclosed is a method of manufacturing an airfoil. The method includes establishing an Argon (Ar)-free environment, providing a bed within the ...
Gas turbine engine buffer system
Filed: January 16th, 2013 [Granted]
Patent Number: WO2013154633A3
A gas turbine engine includes a buffer system that includes a first circuit and a second circuit. The first circuit can communicate a first buffer ...
Counter-rotating low pressure turbine without turbine exhaust case
Filed: February 12th, 2013 [Granted]
Patent Number: WO2013165513A3
A gas turbine engine includes a shaft defining an axis of rotation. An inner rotor directly drives the shaft and includes an inner set of blades.
Gas turbine engine with fan-tied inducer section
Filed: February 13th, 2013 [Granted]
Patent Number: WO2013165515A3
A gas turbine engine includes a shaft, a speed change device driven by the shaft, and a fan including a fan rotor driven by the speed change ...
Leading edge protection and method of making
Filed: February 19th, 2013 [Granted]
Patent Number: WO2013172894A3
A method of forming a leading edge protection component includes depositing particles using a cold spray process on a mandrel to form a ...