Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas
Patent
1995-07-21
1996-09-17
Avila, Stephen
Marine propulsion
Means for accomodating or moving engine fluids
Means for handling exhaust gas
B63H 2132
Patent
active
055563112
ABSTRACT:
A catalytic exhaust system for an outboard motor wherein the catalyst is positioned in the drive shaft housing to remove this source of heat from the power head. However, the catalyst is contained within a sealed compartment in the drive shaft housing lower unit. In order to protect the catalyst from water, a trap section is positioned in the power head and this is water cooled by a source of water which has not passed through the engine for its cooling prior to delivery to the trap section. In addition, the guide plate that separates the power head from the drive shaft housing and through which the exhaust gases pass is also water cooled. An arrangement is incorporated for permitting replacement and servicing of the catalytic converter. Although both above the water and below the water exhaust gas discharges are employed, all gases flowing to the atmosphere must pass through the catalytic converter.
REFERENCES:
patent: 3198162 (1965-08-01), Larson
patent: 3431882 (1969-03-01), Irgens
patent: 3754399 (1973-08-01), Ono et al.
patent: 4353208 (1982-10-01), Voker et al.
patent: 4735046 (1988-04-01), Iwai
patent: 4772236 (1988-09-01), Takahashi
patent: 4848082 (1989-07-01), Takahashi et al.
patent: 4900282 (1990-02-01), Takahashi et al.
patent: 4965997 (1990-10-01), Suzuki et al.
patent: 5149284 (1992-09-01), Kawai
patent: 5280708 (1994-01-01), Sougawa et al.
patent: 5433634 (1995-07-01), Nakayama et al.
Avila Stephen
Sanshin Kogyo Kabushiki Kaisha
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