Multiple bypass-duct turbofan with annular flow plug nozzle and

Details Multiple bypass-duct turbofan with annular flow plug nozzle and Multiple bypass-duct turbofan with annular flow plug nozzle and

1975-12-01

1977-09-27

Croyle, Carlton R.

Power plants

Reaction motor

Method of operation

60226R, 23926539, F02C 306, F02K 306

Patent

active

040502422

ABSTRACT:
A propulsion nozzle having a substantially cylindrical translatable shroud partially defining an outer flow duct and an articulated plug mounted within the shroud to partially define an inner coannular flow duct. A variable position valve comprises the downstream portion of the common wall between the ducts for modulating the relative flow rates between ducts and for creating a favorable static pressure balance therebetween. The shroud and plug cooperate to form a variable area throat for the combined duct flows.

REFERENCES:
patent: 3374631 (1968-03-01), Marks
patent: 3612400 (1971-10-01), Johnson et al.
patent: 3797233 (1974-03-01), Webb et al.
patent: 3854286 (1974-12-01), Klees
patent: 3879941 (1975-04-01), Sargisson
patent: 3893297 (1975-07-01), Tatem et al.
patent: 3938328 (1976-02-01), Klees

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