Bearing arrangement for marine transmission

Details Bearing arrangement for marine transmission Bearing arrangement for marine transmission

1996-06-27

1998-02-10

Swinehart, Ed

Marine propulsion

Screw propeller

Having transmission

440 83, B63H 2128

Patent

active

057162476

ABSTRACT:
A transmission for a marine outboard drive includes a compact bearing arrangement to provide an increased flow area for exhaust discharge behind the transmission with a lower unit of the drive. The bearing arrangement also improves the stability of a supported propulsion shaft. The bearing arrangement includes a first bearing assembly which supports the propulsion shaft at a point corresponding with the axial location at which a driving clutch is coupled to the shaft. The clutch selectively engages a driven gear of the transmission to drive the propulsion shaft. A thrust flange on the propulsion shaft desirably is positioned between the first bearing assembly and a second bearing assembly which journals the driven gear.

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