Exhaust diverter nozzle

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Reexamination Certificate

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Reexamination Certificate

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06910930

ABSTRACT:
An exhaust diverter nozzle used in seawater cooling of the exhaust of marine engines, particularly diesel, without added back pressure the nozzle diverts the seawater in the exhaust at low engine rpm (1600–2000 rpm) in a manner which greatly enhances the vaporization of the water producing an evaporative cooling which extends the life of the exhaust tubes.

REFERENCES:
patent: 6035633 (2000-03-01), Woods
patent: 6554664 (2003-04-01), Nanami
patent: 6663451 (2003-12-01), Walczak

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