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US 5,317,982 AGranted
Ship
OwnerLeopold Jagersinventor
Life of this patent
Estimating the term…
Abstract
A displacement ship having a hull, a stern 6 which at least in the region of the underwater body form a flat surface to which the longitudinal axis of the ship is a normal, the hull at least in the region of the underwater body, narrowing towards the stern 6 neither with the side surfaces 1a, 1b nor with the bottom 1c.
Claims10
A displacement ship comprising:
- a hull extending along a hull axis and immersing in the water, whereby said hull is provided with an underwater body, said hull being formed with:
- a bow, and
- an afterbody extending rearwardly from said bow and formed with a stern, said stern being provided with a surface extending perpendicular to said hull axis,
- two sides running astern from said bow, said sides extending parallel to said hull axis at least in a region of said underwater body and along said afterbody,
- a bottom extending toward said stern from said bow and bridging said sides, said underwater body being formed with an area having a largest cross section of said hull and being provided with a plurality of continuous longitudinal recesses formed with respective straight-sided faces adjoining each other and having wedge angles of different sizes;
- and
- propulsion means for advancing said ship mounted on said hull outside of said area.
4 more elements
Dependencies are inferred from the claim text.