Outboard motor for reducing exhaust gas pollutants

Details Outboard motor for reducing exhaust gas pollutants Outboard motor for reducing exhaust gas pollutants

1975-09-29

1977-04-05

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60307, 60310, 60314, 115 73, F01N 310

Patent

active

040154297

ABSTRACT:
In an outboard motor having an engine located above the water level, a lower unit is provided extending downwardly from the engine and includes an exhaust gas tube within the lower unit with its lower end positioned below the water level. Laterally enclosing the exhaust gas tube is a liquid jacket and a heat insulating jacket is positioned between the exhaust gas tube and the liquid jacket for maintaining the temperature of the exhaust gases at a level such that an afterburning of any oil residue in the exhaust gases is achieved before the gases are discharged from the exhaust gas tube.

REFERENCES:
patent: 2858667 (1958-11-01), Reske
patent: 3310022 (1967-03-01), Kollman
patent: 3438198 (1969-04-01), Bentele
patent: 3520270 (1970-07-01), Miller
patent: 3590579 (1971-07-01), Takahashi
patent: 3630032 (1971-12-01), Grainger
patent: 3656303 (1972-04-01), La Force
patent: 3710575 (1973-01-01), Lamm

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