Bypass engine with means for limiting gas leakage

Details Bypass engine with means for limiting gas leakage Bypass engine with means for limiting gas leakage

1997-04-10

1998-10-20

Casaregola, Louis J.

Power plants

Reaction motor

Interrelated reaction motors

60262, F02C 728, F02K 304

Patent

active

058229752

ABSTRACT:
A bypass engine including a fan which has its blades disposed in both the imary gas flow path and the secondary gas flow path of the engine is provided with an annular intermediate gas flow path in the space between the primary and secondary flow paths, and gas take-off means is connected to a compressor of the engine and arranged to direct a flow of gas longitudinally along the intermediate flow path to prevent leakage of hot gas to the secondary flow path via the gaps existing between the platforms of the fan blades and the adjacent annular members of the primary and secondary flow paths.

REFERENCES:
patent: 3308625 (1967-03-01), Shaw
patent: 3486328 (1969-12-01), Boudiques
patent: 3768933 (1973-10-01), Bouiller et al.
patent: 4005575 (1977-02-01), Scott et al.
patent: 5440874 (1995-08-01), Charier et al.
patent: 5586860 (1996-12-01), Bertrand et al.

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