Marine drive exhaust system

Details Marine drive exhaust system Marine drive exhaust system

1993-06-28

1994-12-27

Swinehart, Edwin I.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

440 81, B63H 2132

Patent

active

053760344

ABSTRACT:
A surfacing marine drive has a drive housing (20) with a fore exhaust passage (230) forward of the vertical bore (26) housing the driveshaft (36), right and left exhaust passages (232 and 234) extending rearwardly from the fore exhaust passage (230) on opposite right and left sides of the vertical bore (26), and an aft exhaust passage (236) extending rearwardly from the right and left exhaust passages (232 and 234) and aft of the vertical bore (26) and discharging exhaust into dual counterrotating surface operating propellers (12 and 14).

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