Through-hub exhaust propeller assembly

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

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Details

416 93A, B63H 512

Patent

active

045113394

ABSTRACT:
A boating propeller for controlling the discharge of engine exhaust gases from the central hub of a boating motor unit by making provision for confining said gases to the inner most fraction of the structure (that within the shroud) and discharging it downstream of the propeller when operating the unit in either the forward or astern mode of operation.

REFERENCES:
patent: 2948252 (1960-08-01), Alexander, Jr.
patent: 3310022 (1967-03-01), Kollman
patent: 3467051 (1969-09-01), Shimanckas
patent: 4276036 (1981-06-01), Nishida et al.

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