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    • 7. 发明公开
    • FLOATING BREAKWATER AND PROPULSION SYSTEM
    • 浮浪和自定义驱动系统
    • EP1689938A1
    • 2006-08-16
    • EP03758323.4
    • 2003-10-21
    • C-WAVE LIMITED
    • Budd, Chistopher Anthony
    • E02B3/06
    • E02B3/062B63H19/02E02B9/08F03B13/20Y02A10/15Y02E10/38Y02T70/59
    • The invention, relates to means for absorbing, extracting or using for propulsion, wave energy occurring naturally in water. The invention overcomes existing breakwater devices of the type that were prone to puncture or were expensive to maintain, were inertial dependant or had mooring loads. One breakwater device comprises first and second structures, ( 100, 102 ) arranged substantially parallel one to another, said structures having neutral buoyancy and energy absorbers ( 111 ) mounted therebetween, whereby in use, the devices absorb energy from incident and waves as a result of relative motion between the structures. Preferably a third structure is positioned parallel to the second structure, there being a second energy absorber positioned between the second and third structures. Energy absorbers may be arranged to generate an electromotive force or pump a material or fluid. Advantageously a plurality of devices ( 206 ) can be interconnected, in the form of a chain or caterpillar to provide a breakwater system. Alternative embodiments of the invention include means to alleviate high side loads on multi-hulled vessels, and a propulsion device in which the first and second structures incorporate louver valve assemblies.
    • 9. 发明授权
    • PROPULSION OF SHIPS
    • 推进船舶
    • EP0225363B1
    • 1989-11-15
    • EP86903475.1
    • 1986-05-21
    • COLE, David Arthur
    • COLE, David Arthur
    • B63H19/02
    • B63H19/02Y02T70/59
    • A ship, e.g. a bulk cargo carrier, which uses power from the waves of the sea or other water on which it travels, comprises a hull (14) containing at least one cargo container or hold (10) each mounted so as to rock slightly upon supporting pistons fitted between girders (18) within a compartment of the hull. The hydraulic pistons are placed at the side (16) and beneath (22) each hold and are actuated by pressure of the hold as the hold moves; the pistons are linked by hydraulic pipelines (24, 25) to an engine room where gear wheel pumps are driven which drive a propeller and optionally electric power is generated. Each hold preferably is circular, tapering slightly so as to be narrower at the top, with a slightly conical base so as to rock from side to side and fore-and-aft; beneath each hold is one or more circles of pistons. An auxiliary engine can be fitted for use in calms and harbours; but otherwise no fuel is needed to propel the ship.