Title:
ELECTRICITY GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/162988
Kind Code:
A1
Abstract:
This electricity generation device (1) has: two magnetostrictive elements (10) provided with a magnetostrictive rod (2) that allows the passage of lines of magnetic force in the axial direction and a coil (3) wound around the outer perimeter of the magnetostrictive rod (2); and a beam member (93) that couples one end of the magnetostrictive elements (10) together, and the other end together. Also, the electricity generation device (1) has a permanent magnet (6) that generates lines of magnetic force passing through the magnetostrictive rod (2), and the direction of magnetization is disposed in a manner so as to be a direction differing from the direction of concomitant providing of the magnetostrictive elements (10).
Inventors:
FURUKAWA KENICHI (JP)
NUMAKUNAI TAKAYUKI (JP)
NUMAKUNAI TAKAYUKI (JP)
Application Number:
PCT/JP2015/055198
Publication Date:
October 29, 2015
Filing Date:
February 24, 2015
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
International Classes:
H02N2/00
Domestic Patent References:
| WO2014021197A1 | 2014-02-06 |
Foreign References:
| JP2013208029A | 2013-10-07 | |||
| JP2013143897A | 2013-07-22 | |||
| JP2014096924A | 2014-05-22 |
Attorney, Agent or Firm:
ASAHI, Kazuo et al. (JP)
Morning ratio One husband (JP)
Morning ratio One husband (JP)
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