Variable cycle propulsion unit for aircraft

Details Variable cycle propulsion unit for aircraft Variable cycle propulsion unit for aircraft

1993-04-22

1993-12-14

Bertsch, Richard A.

Power plants

Reaction motor

Interrelated reaction motors

60262, 60 3915, F02K 300

Patent

active

052691349

ABSTRACT:
A variable cycle propulsion unit comprises at least two turbojet engines of the bypass type in which the low pressure compressor of each engine is in two parts connected by a shaft, and the flow of compressed air issuing from the first part of the low pressure compressor of a first of the engines is supplied to the second part of the low pressure compressor of a second of the engines and the flow of compressed air issuing from the first part of the low pressure compressor of the second engine is supplied to the second part of the low pressure compressor of the first engine. At full throttle operation the combustion chambers of the two engines are both ignited, and at operation at reduced engine speeds the combustion chamber of one of the engines is extinguished and the engine windmills while the other engine continues to run normally.

REFERENCES:
patent: 2409177 (1946-10-01), Allen et al.
patent: 2750738 (1956-06-01), Barrett et al.
patent: 2840987 (1958-07-01), Bloomberg et al.
patent: 3143381 (1964-08-01), Dornier et al.
patent: 3154915 (1964-11-01), Eichholtz
patent: 3173628 (1965-03-01), Marchant et al.
patent: 3368346 (1968-02-01), Warne
patent: 3388878 (1968-06-01), Peterson et al.
patent: 3585795 (1971-06-01), Grieb
patent: 3841091 (1974-10-01), Sargisson et al.
patent: 4054030 (1977-10-01), Pedersen
patent: 4147024 (1979-04-01), Moellmann

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