Exhaust system and control for marine propulsion engine

Details Exhaust system and control for marine propulsion engine Exhaust system and control for marine propulsion engine

1998-05-28

2000-04-25

Swinehart, Ed

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

123195P, B63H 2132

Patent

active

06053785&

ABSTRACT:
An outboard motor exhaust system and control for insuring good running and effective exhaust gas silencing and treatment. The system includes a very compact exhaust system that includes an expansion chamber formed beneath the exhaust guide plate and to which the exhaust gases are delivered and removed at optimal locations. Furthermore, a feedback control employing a combustion condition sensor is employed along with a catalyst in the exhaust. Sensors are provided upstream and downstream of the catalyst to ensure that it is operating at optimum conditions.

REFERENCES:
patent: 4965997 (1990-10-01), Suzuki et al.
patent: 5365216 (1994-11-01), Kotwicki et al.
patent: 5556311 (1996-09-01), Fujimoto
patent: 5562510 (1996-10-01), Suzuki et al.
patent: 5575699 (1996-11-01), Isogawa et al.

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