Title:
Wave energy absorber unit
Document Type and Number:
Japanese Patent JP6074421
Kind Code:
B2
Abstract:
An absorber unit 100 for the absorption of wave energy from a body of water 99 comprises an absorber element 110 of the front pivot type with a front end 111 comprising a front pivot axis 113 around which the absorber element 110 under operation reciprocates between a lower turning position and an upper turning position, and with a rear end 112 extending from a lower rear edge 114 to an upper rear edge 115. The lower rear edge 114 is located in a first radial direction 116 at a first distance from the pivot axis 113, the upper rear edge 115 is located in a second radial direction 117 at a second distance from the pivot axis 113, the first and second radial directions 116, 117 define an acute tip angle of the absorber element 110, and the first distance determines the absorber element length. The absorber unit 110 further comprises a frame structure 121 that defines an absorber chamber 122 and is configured to be essentially at rest with respect to the body of water 99. The frame structure 121 pivotally supports the absorber element 110 within the absorber chamber 122 from the essentially horizontal front pivot axis 113 at an axis height Fa above an average surface level S of the body of water 99, wherein the absorber element 110 in an idle position under still water conditions is partially submerged, with an idle draught Fd of the absorber element being determined by the depth of submersion of the lower rear edge 114 below the average surface level S. A bottom plate 130 attached to the frame structure 121 has a front portion 131 arranged underneath the absorber element 110 and an upwardly projecting rear portion 132 aft of the absorber element 110.
Inventors:
Cooler, anas
Application Number:
JP2014519427A
Publication Date:
February 01, 2017
Filing Date:
July 04, 2012
Export Citation:
Assignee:
Floating power plant A/S
International Classes:
E02B9/08; F03B13/16
Domestic Patent References:
| JP60501119A | ||||
| JP57062969A |
Foreign References:
| US5405250 |
Attorney, Agent or Firm:
Okabe
Takao Ochi
Seiichiro Takahashi
Takao Matsui
Kawauchi Eiji
Takao Ochi
Seiichiro Takahashi
Takao Matsui
Kawauchi Eiji