Wave Trap

a trap and wave technology, applied in the field of traps, can solve the problems of affecting the safety of ships, and the upper limit of the wave period that those can protect, so as to achieve the effect of efficient attenuation of waves without diminishing water circulation, preventing accidents, and reducing the risk of accidents
US20080050178A1Inactive Publication Date: 2008-02-28ERLINGSSON ULF BIRGER
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
ERLINGSSON ULF BIRGER
Publication Date
2008-02-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The patent describes a device intended to both attenuate water waves efficiently, and efficiently convert the attenuated energy to useful energy, while having minimal negative environmental impact. The device consists of a flexible slab that rests upon a rigid but permeable horizontal plane between surface and bottom. The slab is alternatively pushed away from the plane, and alternatively it is pressing hard on the plane. The resulting force may be converted to hydraulic energy using established technology. The critical parameters are the submerged weight per area and elasticity of the slab, equations for which are given in the patent.
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Description

BACKGROUND OF THE INVENTION

[0001] Waves constitute a problem for navigation, especially at loading and unloading sites why these are often placed in a harbor where they are protected by a breakwater. Floating breakwaters can be used to protect marinas, but there is an upper limit in wave period that those can protect against. Furthermore waves are a potential threat to infrastructure in the open sea, e.g. drilling and production platforms in oil and gas fields, and terminals for LNG and petroleum products.

[0002] Waves may also erode beaches so that onshore infrastructure is endangered. Both the probability for erosion, and the economical value of the destruction if erosion does occur, increases if there are buildings on the beach. The intensive building activity on barrier islands and beaches around the world during the past quarter century has therefore led to a dramatic increase in the risk exposure, regardless of whether global warming will lead to a sea-level rise or not.

[0003] Fro...

Claims

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