Marine vessel propeller, propeller blade and method for installing the marine vessel propeller
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United States of America
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Apr 9, 2024
Grant Date -
N/A
app pub date -
Mar 8, 2022
filing date -
Mar 8, 2022
priority date (Note) -
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Abstract
A marine vessel propeller to convert engine rotational power into propulsive thrust is of a built-up propeller (BUP) type having a circular array of propeller blades, wherein each propeller blade is a single piece including a blade part and a base part. The base part has a generally circular inner surface with a number of radially extending cylindrical indents provided with planar end wall and fastening holes arranged through the base part at a location of the indents. A cylindrical insert is provided with a hole parallel to a longitudinal axis of the insert and arranged to fit into the indent, such that the propeller blades are attachable to a propeller shaft using exemplary fastening bolts through the fastening holes and inserts. A propeller blade and method for installing a marine vessel propeller are also disclosed.
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