Exhaust means for marine propulsion unit

Details Exhaust means for marine propulsion unit Exhaust means for marine propulsion unit

1978-10-02

1981-06-30

Blix, Trygve M.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

416 93A, 440 78, 440900, B63H 114, B63H 506

Patent

active

042760364

ABSTRACT:
Marine propulsion unit having a propeller assembly formed with exhaust gas passages through the propeller hub. An outer pipe is provided to encircle the propeller hub with a radial spacing and has a rear end extending beyond the rear end of the hub so that the exhaust gas is forced to flow, during a reverse movement, from the exhaust gas passage in the hub to the space between the hub and the outer pipe.

REFERENCES:
patent: 2948252 (1960-08-01), Alexander
patent: 3356151 (1967-12-01), Strang
patent: 3554665 (1971-01-01), Lorenz
patent: 3764228 (1973-10-01), Shook

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