Counterrotating fan engine

Details Counterrotating fan engine Counterrotating fan engine

1990-04-25

1992-04-21

Bertsch, Richard A.

Power plants

Reaction motor

Interrelated reaction motors

60268, F02K 300

Patent

active

051056186

ABSTRACT:
A gas turbine engine with counterrotating fans placed upstream from the engine so that gas circulates from upstream to downstream at the level of a LP compressor (1), then from downstream to upstream in a HP compressor (5), chamber an (6) and HP and LP turbines (7 and 8), then again downstream in first and second turbines (10, 11) before being expelled into the cold airflow coming from first and second fans (14, 15).

REFERENCES:
patent: 2430399 (1947-11-01), Heppner
patent: 2504181 (1950-04-01), Constant
patent: 4055041 (1977-10-01), Adamson et al.
patent: 4147029 (1979-04-01), Sangisson
patent: 4506850 (1985-03-01), McConnell
patent: 4548546 (1985-10-01), Lardellier
patent: 4646810 (1987-03-01), Lardellier
patent: 4790133 (1988-12-01), Stuart

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