Gas turbine engine

Details Gas turbine engine Gas turbine engine

2006-12-26

2006-12-26

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including destructible, fusible, or deformable non-reusable...

C415S174400, C416S002000

Reexamination Certificate

active

07153091

ABSTRACT:
A turbofan gas turbine engine (10) comprises a fan rotor and a compressor rotor (62). The fan rotor (24) carries a plurality of circumferentially spaced radially outwardly extending fan blades (26). The compressor rotor carries a plurality of circumferentially spaced radially outwardly extending compressor blades (64). The fan rotor (24) is mounted on a fan shaft (38) and the compressor rotor (62) is mounted on a compressor shaft (68). The compressor shaft (68) is arranged around the fan shaft (38). The fan rotor (24) is rotatably mounted on a support structure (40) by a first bearing (50) and the compressor rotor (62) is rotatably mounted on the support structure (40) by a second bearing (58) spaced axially from the first bearing (50). The fan and compressor rotors (24, 62) are normally arranged coaxially with each other and with the support structure (40). The first bearing (50) is connected to the support structure (40) by a first frangible connection (54) and the second bearing (58) is connected to the support structure (40) by a second frangible connection (61).

REFERENCES:
patent: 5417501 (1995-05-01), Hyde et al.
patent: 6073439 (2000-06-01), Beaven et al.
patent: 6082959 (2000-07-01), Van Duyn
patent: 6428269 (2002-08-01), Boratgis
patent: 6494032 (2002-12-01), Udall et al.
patent: 2326679 (1998-12-01), None
patent: 2360069 (2001-09-01), None

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