Power plants – Reaction motor – Interrelated reaction motors
Patent
1988-11-04
1990-05-08
Stout, Donald E.
Power plants
Reaction motor
Interrelated reaction motors
60242, 23926531, F02K 164
Patent
active
049227130
ABSTRACT:
A trust reverser is disclosed for a turbofan-type turbojet engine having the capabilities of reversing the air passing through a cold flow air duct to provide a reverse thrust for the engine and also adjusting the cross-section of the cold flow air duct. This enables the cold flow air duct to be increased in cross section during periods of high thrust operation, a cowl defining the outer limits of the cold flow air duct has a stationary portion arranged generally, concentrically about the hot gas exhaust duct, and two movable portions, each of which are movable axially with respect to the stationary cowl. Locking systems are utilized to releasably lock a first movable cowl to the stationary cowl, and to releasably lock the second movable cowl to the first movable cowl.
REFERENCES:
patent: 3500645 (1970-03-01), Hom
patent: 3779010 (1973-12-01), Chamay et al.
patent: 3820719 (1974-06-01), Clark
patent: 4442987 (1984-04-01), Legrand et al.
patent: 4731991 (1988-03-01), Newton
patent: 4793134 (1988-12-01), Coplin et al.
Barbarin Jacques M. G.
Lecoutre Pascal B. G.
Societe Anonyme dite Hispano-Suiza
Stout Donald E.
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