Marine propulsion – Screw propeller – Having transmission
Patent
1995-05-31
1996-09-17
Sotelo, Jesus D.
Marine propulsion
Screw propeller
Having transmission
440 80, 416129, 192 487, B63H 2128
Patent
active
055563120
ABSTRACT:
An improved transmission bearing assembly for a counter-rotating propeller system of a marine outboard drive directly journals the driven gears of the transmission on the propulsion shafts of the outboard drive. The hub of one driven gear is journaled between a portion of an inner propulsion shaft and a hollow end of the outer propulsion shaft. The bearing assembly also supports the hollow end of the outer propulsion shaft at a front end of a bearing carrier and supports a rearward section of the outer shaft at a rear end of the bearing carrier. The span between the bearing assemblies journaling the outer propulsion shaft within the bearing carrier is increased by positioning the bearing assemblies at the ends of the bearing carrier. The positions of the bearing assemblies at the ends of the bearing carrier thus improves the stability of the outer propulsion shaft.
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Sanshin Kogyo Kabushiki Kaisha
Sotelo Jesus D.
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