Marine drive with dual propeller exhaust and lubrication

Details Marine drive with dual propeller exhaust and lubrication Marine drive with dual propeller exhaust and lubrication

1993-05-28

1994-10-04

Basinger, Sherman

Marine propulsion

Screw propeller

Propeller arrangement

416129, 416 93A, 440 89, B63H 510

Patent

active

053521412

ABSTRACT:
A marine drive (10) has a spool (36) positioned in the lower horizonal bore (28) and supporting a dual propeller shaft assembly (38, 40). An exhaust passage (130) includes a passage (132) in the drive housing (26) communicating with the horizontal bore (28) at the spool (36), and a spool exhaust passage (134) passing exhaust rearwardly through the spool to the propeller through-hub exhaust passages (136, 138), providing through-hub exhaust through dual propellers (12, 14). An oil passage (152) in the housing (26) communicates with the horizontal bore (28) forwardly of the exhaust passage (132) and lubricates the dual propeller shaft assembly.

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