Exhaust gas purifying device for marine engine

Details Exhaust gas purifying device for marine engine Exhaust gas purifying device for marine engine

1987-01-21

1988-09-20

Peters, Jr., Joseph F.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

60302, B63H 2332

Patent

active

047722363

ABSTRACT:
An outboard motor having an improved catalyst system for treating the exhaust gases regardless of whether they are delivered to the atmosphere through an above the water exhaust gas discharge or a below the water exhaust gas discharge. When the engine is operating at high speeds, the exhaust gases only have surface contact with the catalyzer bed and do not flow through it while under slow speeds the exhaust gases flow through the catalyzer bed.

REFERENCES:
patent: 3644098 (1972-02-01), De Palma
patent: 3967446 (1976-07-01), Harralson et al.
patent: 3968645 (1976-07-01), Noguchi et al.
patent: 3972184 (1976-08-01), Warren
patent: 4023361 (1977-05-01), Kojima
patent: 4354849 (1982-10-01), Sanmi et al.
patent: 4372111 (1983-02-01), Virk
patent: 4495153 (1985-01-01), Midorikawa

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