Exhaust system for outboard marine propulsion unit

Details Exhaust system for outboard marine propulsion unit Exhaust system for outboard marine propulsion unit

1977-04-11

1979-03-27

Blix, Trygve M.

115 17, B63H 2126

Patent

active

041459881

ABSTRACT:
Exhaust system for outboard marine propulsion unit including a hollow chamber formed in the housing of the unit and an engine exhaust pipe opening to the chamber. The exhaust pipe has a radially outwardly extending flange which divides the hollow chamber into two expansion compartments which are connected through a restricted passage, whereby the exhaust gas can be expelled through the two expansion compartments into air.

REFERENCES:
patent: 3045423 (1962-07-01), Hulsebus
patent: 3310022 (1967-03-01), Kollman
patent: 3577952 (1971-05-01), Tado
patent: 3908579 (1975-09-01), Miller et al.
patent: 4014282 (1977-03-01), Kollman

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