Marine vessel propulsion device
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United States of America Patent
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Feb 17, 2015
Grant Date -
May 9, 2013
app pub date -
Nov 7, 2012
filing date -
Nov 7, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A marine vessel propulsion device includes a bracket that is attachable to a marine vessel, a duct that is rotatable around a steering axis with respect to the bracket, a propeller that is rotatable with respect to the duct around a propeller axis extending in a direction perpendicular or substantially perpendicular to the steering axis, and an electric motor that rotates the propeller. The propeller includes a plurality of blades and a cylindrical rim that surrounds the plurality of blades, and is surrounded by the duct. The electric motor rotates the rim with respect to the duct.
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