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Title:
GENERATOR FOR CONVERTING FLUID ENERGY TO ELECTRICAL ENERGY
Document Type and Number:
WIPO Patent Application WO/2010/043617
Kind Code:
A3
Abstract:
This specification discloses a system for harvesting electrical energy from fluid flow using an oscillating mass spring structure. A mass is attached to a spring anchored to a supporting housing. The mass interacts with the fluid flow and oscillates with the spring. The oscillation is coupled to a transduction mechanism which converts some of the kinetic energy of the oscillation into electrical energy. The housing provides a means of protecting both the generator and the user. The housing also provides over-range protection and a means of controlling the interaction of the generator with the incident fluid. The object of the invention is to provide, a low manufacturing cost, reliable generator, suitable for miniaturisation which functions effectively at low wind speeds.

Inventors:
TUDOR MICHAEL JOHN (GB)
WHITE NEIL MAURICE (GB)
BEEBY STEPHEN PAUL (GB)
HARRIS NICHOLAS ROBERT (GB)
Application Number:
PCT/EP2009/063349
Publication Date:
October 21, 2010
Filing Date:
October 13, 2009
Export Citation:
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Assignee:
D4 TECHNOLOGY LTD (GB)
TUDOR MICHAEL JOHN (GB)
WHITE NEIL MAURICE (GB)
BEEBY STEPHEN PAUL (GB)
HARRIS NICHOLAS ROBERT (GB)
International Classes:
H02K7/18; H02K35/00
Domestic Patent References:
WO2003056692A12003-07-10
WO2007071975A12007-06-28
Foreign References:
US4467236A1984-08-21
US5223763A1993-06-29
US20050230974A12005-10-20
US4442372A1984-04-10
JP2006226221A2006-08-31
Attorney, Agent or Firm:
PETER DAVID JENKINS (Bedford HouseJohn Street, London Greater London WC1N 2BF, GB)
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