U.S. Patent Specifications

Abstract

An exit area control for a jet engine comprising a tubular member having an open end whose area is to be varied; a plurality of longitudinally extended louvres; means supported at each end of said tubular member to circumferentially dispose said louvres; means to rotatably support said louvres in said last‐mentioned means; and means to rotatably adjust each louver on its longitudinal axis to thereby vary the effective area of said open end.

Citation

(1952), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 24 No. 9, pp. 285-286. https://doi.org/10.1108/eb032213