Multi-passage variable diffuser inlet

Marine propulsion – Jet drive – Having means to increase fluid drive means efficiency

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Details

60221, 137 151, 440 46, B63H 1104

Patent

active

043739199

ABSTRACT:
A variable inlet for a marine jet propulsion system comprising a movable lip, a center splitter serving to divide said inlet into upper and lower passages and coupled for movement proportional to that of said lip to assure equality of the areas of said upper and lower passages, and apparatus for varying the outward projection of said splitter to vary the diffusion ratio of said upper and lower passages.

REFERENCES:
patent: 3279414 (1966-10-01), Rabald
patent: 3286641 (1966-11-01), Delao
patent: 3343368 (1967-09-01), Castoldi
patent: 3430640 (1969-03-01), Lennard
patent: 3942463 (1976-03-01), Johnson
patent: 4027617 (1977-06-01), Ikeda

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