Water jacketed exhaust pipe for marine exhaust systems

Details Water jacketed exhaust pipe for marine exhaust systems Water jacketed exhaust pipe for marine exhaust systems

1995-12-29

1998-04-21

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Treated by washing, or having liquid contact structure

440 89, F01N 304

Patent

active

057406707

ABSTRACT:
A water jacketed exhaust pipe comprising an inner liner, an outer shell, and a spray ring. The inner liner includes an internally tapered section which clips the turbulence that occurs along the inner walls of the liner. As a result, fluid expelled from the spray ring will not migrate into the inner liner where it can cause severe corrosion. The inner liner is longer than the outer shell. The outer liner includes an internally tapered section which scatters the stream of water expelled from the spray ring and further redirects water onto the inner liner and into the center of the exhaust path. The redirected water particles are easily vaporized and in the process, extract a significant amount of heat from the exhaust system.

REFERENCES:
patent: 793886 (1905-07-01), Low
patent: 799013 (1905-09-01), Moffitt
patent: 3209534 (1965-10-01), Stallman
patent: 5212949 (1993-05-01), Shiozawa

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