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Electric power generation using power turbine aft of LPT
   
Document Number
US Patent 7514810
Issued Date
April 7, 2009
Link
Inventors
Chung; KiYoung (West Chester, OH)
Qu; Ronghai (Clifton Park, NY)
Wu; Wei (Rexford, NY)
Young; Craig D. (Clifton Park, NY)
Toot; Peter D. (Cincinnati, OH)
Compton; Tom (Westchester, OH)
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Abstract
An inside out generator disposed aft of the low-pressure turbine spool to generate power for the electrical demands of an aircraft system. The low-pressure turbine discharge flow is used to drive the power turbine, which is coupled to the generator. The generator is able to extract power at idle conditions of the aircraft engine from ducting the discharge through the inside out generator. The system eliminates the placement of a generator in the hot gas path of the discharge, and enables the injection of power directly to the accessory gear box of the engine.
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Number of Claims:
12
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Owner
General Electric Company (Schenectady, NY)
Published
April 7, 2009
Application Number
11/611,485
Filed
December 15, 2006
US Classification
290/52  
Int'l Classification
F02C   1/06   (20060101)  
Examiner
Attorney/Law Firm
USPTO Field of Search
290/52  
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