Turbofan arrangement

Details Turbofan arrangement Turbofan arrangement

2006-09-19

2006-09-19

Kim, Ted (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S225000, C060S226100

Reexamination Certificate

active

07107756

ABSTRACT:
A bypass turbofan engine comprises a first propulsion system and a second propulsion system. The first propulsion system comprises a first fan rotor, a core engine, a first low pressure turbine and a first fan shaft drivingly connecting the first turbine and the first fan rotor. The second propulsion system comprises a second fan shaft drivingly connecting to a second fan rotor and the first propulsion system and arranged so that the first and second shafts are not coaxial with one another.

REFERENCES:
patent: 3318095 (1967-05-01), Snell
patent: 3368352 (1968-02-01), Hewson
patent: 3659422 (1972-05-01), Hope
patent: 4222233 (1980-09-01), Johnson et al.
patent: 4254619 (1981-03-01), Giffin
patent: 4679394 (1987-07-01), Taylor
patent: 4827712 (1989-05-01), Coplin
patent: 6260800 (2001-07-01), Snell
patent: 6845606 (2005-01-01), Franchet et al.
patent: 1291235 (1972-10-01), None

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