PROPELLER AND METHOD IN WHICH A PROPELLER IS SET INTO MOTION
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United States of America
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Issued Date -
Jan 30, 2020
app pub date -
Apr 11, 2018
filing date -
Apr 11, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A method where a propeller is set into locomotion relative to a medium at least partially surrounding the propeller. An actuator induces a rotation of the propeller relative to the medium and about a rotational axis of the propeller, and the propeller converts its rotational movement into locomotion relative to the medium. The aspect ratio of at least one cross-section of the propeller is three or more. Also a helical or modifiedly helical propeller for converting rotational movement of the propeller into locomotion of the propeller relative to a medium at least partially surrounding the propeller, where the aspect ratio of at least one cross section of the propeller is three or more. And a method of producing a propeller, including the step of providing a plate extending along the helical axis, where the aspect ratio of at least one cross section of the plate is three or more.
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