Title:
POWER GENERATION DEVICE, POWER GENERATION DEVICE SET, AND POWER GENERATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/012303
Kind Code:
A1
Abstract:
A power generation device (100) has a power generation unit (10) and a support portion (20) for supporting the power generation unit (10). The power generation unit (10) constitutes a two-degree-of-freedom vibration system having: a first vibration system including a coil assembly body (40) and a first spring portion (64) for coupling the coil assembly body (40) and a chassis (20); and a second vibration system including a magnet assembly body (30) and a second spring portion (65) for coupling the magnet assembly body (30) and the coil assembly body (40). The power generation unit (10) is constituted so that the first natural frequency (ω1) of the first vibration system and the second natural frequency (ω2) of the second vibration system have values in the range of 14 to 42 Hz.
Inventors:
FURUKAWA KENICHI (JP)
YAMADA KENSUKE (JP)
YAMADA KENSUKE (JP)
Application Number:
PCT/JP2014/069430
Publication Date:
January 29, 2015
Filing Date:
July 23, 2014
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
International Classes:
H02K35/02; H02N1/08; H02N2/00; H02N2/18
Foreign References:
| JP2011172351A | 2011-09-01 | |||
| US20110074162A1 | 2011-03-31 | |||
| JP2014079118A | 2014-05-01 | |||
| JP2011517277A | 2011-05-26 |
Other References:
See also references of EP 3026800A4
Attorney, Agent or Firm:
ASAHI, Kazuo et al. (JP)
Morning ratio One husband (JP)
Morning ratio One husband (JP)
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