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US Patent 8209952 Gas turbine engine with intermediate speed booster

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Patent Citations Received
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US Patent 12123432 Low noise turbine for geared turbofan engine
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US Patent 11920479 Multi-engine system and method
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US Patent 11879386 Modular multistage turbine system for gas turbine engines
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Patent abstract

A gas turbine engine having speed an intermediate stage booster configured to provide speed change to a boost compressor. The boost compressor and fan stage are driven by a low pressure turbine; the fan stage rotates with the low pressure turbine shaft and the boost compressor rotates counter to the low pressure turbine shaft. The intermediate speed booster has an epicyclic gear train that includes an outer annulus, a sun gear, and a planetary gear, and may be engaged by a clutch in some embodiments.

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Patent Inventor Names
Robert A. Ress, Jr.0
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US Patent 08209952 Gas turbine engine with intermediate speed booster US Patent 8209952 Gas turbine engine with intermediate speed booster

Infobox
Patent Number
082099520
Patent Number
82099520
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
082099520
Date of Patent
July 3, 2012
0
Patent Application Number
119734510
Date Filed
October 9, 2007
0
Patent Primary Examiner
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Louis Casaregola
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 US Patent 08209952 Gas turbine engine with intermediate speed booster

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08209952
Date of patent
July 3, 2012
Patent application number
11973451
Date Filed
October 9, 2007
Patent primary examiner
‌
Louis Casaregola

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