Air stream exposed adjustable ram air intake horn

Claim 1

In combination with an upstanding induction air intake pipe of a combustion engine, the upper end portion of said pipe defining the inlet end portion thereof, a ram air intake horn for said pipe mounted on the upper end thereof an opening outwardly in one horizontal direction, said horn including a downwardly opening outlet communicated with the upper end of said pipe, said horn including a gently curving interior surface for deflecting ram air entering the open portion of said horn downwardly toward said outlet of said horn, said horn outlet compris- a depending sleeve portion telescopingly and rotatably engaged with said upper end portion, said depending sleeve portion including a generally planar interior airflow controlling vane disposed lengthwise of and extending across the interior of said sleeve portion in a plane generally normal to the direction in which said horn opens, a circumferential rack gear mounted on the exterior of said upper end portion a spaced distance below the upper terminal end thereof, said sleeve portion being downwardly telescoped over said upper end portion with the lower end of said sleeve portion abutted against said rack gear for support therefrom, a drive motor supported from said sleeve portion and including a rotatable output shaft spaced laterally outwardly of and generally paralleling said upper end portion with a gear wheel mounted thereon and meshed with said rack gear.