ガスタービンエンジンのための二重反転可能なブースタ圧縮機組立体

Japanese Patent JP4975945

B2

A counterrotatable booster compressor assembly (36) for a gas turbine engine having a counterrotatable fan section with a first fan blade row (18) connected to a first drive shaft and a second fan blade row (22) axially spaced from the first fan blade row (18) and connected to a second drive shaft (48). The counterrotatable booster compressor assembly (36) includes a first compressor blade row connected to the first drive shaft, a plurality of fan shaft extensions (100) connected to the second drive shaft (48) for driving the second fan blade row (22), and at least one compressor blade (124) integral with each fan shaft extension (100) so as to form a second compressor blade row interdigitated with the first compressor blade row. The counterrotatable booster compressor (36) further includes a first platform member (116) integral with each fan shaft extension (100) at a first location (118) so as to form a portion of an inner flowpath for the counterrotatable booster compressor (36) and a second platform member (120) integral with each fan shaft extension (100) at a second location (122) so as to form a portion of an outer flowpath for the counterrotatable booster compressor (36), where each compressor blade (124) of the second compressor blade row is positioned between the first and second platform members (116,120).

Ian Francis Prentiss
David William Kral
Bruce Clark Bath Bay
Christopher Charles Glyn
Donald Ray Bond

JP2003145570A

July 11, 2012

May 23, 2003

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GENERAL ELECTRIC COMPANY

F02C3/067; F01D5/02; F02K3/06; F02K3/072; F04D19/02; F04D25/04; F04D29/32

JP63106335A
JP63134817A
JP7166960A

US6381948

Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa

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