Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas
Patent
1995-10-10
1996-12-31
Basinger, Sherman
Marine propulsion
Means for accomodating or moving engine fluids
Means for handling exhaust gas
181235, 181238, 181272, B63H 2024, B63H 2132
Patent
active
055888887
ABSTRACT:
A wet marine exhaust muffler comprises a housing, an inlet pipe and an outlet pipe. The housing includes end walls each transverse with respect to an imaginary plane and converging side walls connecting converging edges of the end walls such that the converging side walls are symmetrical with respect to the imaginary plane. The inlet pipe extends through a first of the end walls, while the outlet pipe extends through a second of the end walls. Preferably, the converging side walls of the housing are so dimensioned as to conform to a converging lower hull portion of a boat to minimize the space occupied by the wet marine exhaust muffler. In an especially preferred form of the invention, at least one of the pipes in the wet marine exhaust muffler includes a notched upstream end portion and a cap positioned against the upstream end portion to define a radial opening to impart a swirling type vector to the flow as it enters the pipe.
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Basinger Sherman
Centek Industries, Inc.
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