Title:
SUBSEA BUOY
Document Type and Number:
WIPO Patent Application WO/2017/029869
Kind Code:
A1
Abstract:
A subsea buoy (Sa) is provided with: a power generation coil portion (20a) formed by winding coils (22a) around a plurality of coil cores (21a); a housing (31a) in which the power generation coil portion (20a) is housed; a magnet array (5a) comprising a plurality of magnets (14a) disposed on the opposite side to the power generation coil portion (20a) with a part of a housing wall (13a) in between so as to be able to be magnetically coupled to the power generation coil portion (20a), said housing wall constituting the housing (31a); a magnet holding member (15a) holding the magnet array (5a); and a water wheel (4a) having a rotational shaft (41) formed to be rotatable by the flow of water. The part of the housing wall (13a) is formed of a nonmagnetic and insulating material or a high electrical resistivity material, and the magnet holding member (15a) is fixedly connected to the rotational shaft (41).
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Inventors:
INOUE KENICHI
ITO YUTAKA
TAKAGI NOBUYOSHI
KURITANI KINGO
ITO YUTAKA
TAKAGI NOBUYOSHI
KURITANI KINGO
Application Number:
PCT/JP2016/067856
Publication Date:
February 23, 2017
Filing Date:
June 15, 2016
Export Citation:
Assignee:
KOBELCO RES INST INC (JP)
International Classes:
H02K7/18; B63B22/00; B63B35/00; F03B3/14; F03B13/26; H02J3/38
Foreign References:
| JP2009143331A | 2009-07-02 | |||
| JP2003312586A | 2003-11-06 | |||
| JP2009544265A | 2009-12-10 | |||
| JPH11252893A | 1999-09-17 | |||
| JP2016100970A | 2016-05-30 |
Other References:
See also references of EP 3340442A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
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