PROPELLER FOR DRIVING WATERCRAFT
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
May 5, 2021
filing date -
May 5, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A propeller for driving watercraft, having propeller blades and a metal hub for connection to a ship's shaft and a method for the production thereof are described. The propeller blades are manufactured from polyamide 12 C or a composite material made of polyamide 12 C with long and/or short fiber cores. The propeller blades or components of the propeller blades are mounted on the hub, or the propeller as a whole is made of polyamide 12 C or a composite material made of polyamide 12 C with long and/or short fiber cores and the hub encapsulated with PA 12 C. This can achieve an improvement in thrust performance and the reduction in acoustic signature as compared to metal propellers.
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