Apparatus for harvesting energy from flow-unduced oscillations and method for the same

A device for generating electrical power from a flow, said device comprising:

• a vibrating assembly for placing in a flow, said vibrating assembly comprising
• an electrical conductive element, and
• at least one elastic element having at least one end fixed to a base, wherein said electrical conductive element is integrated with said at least one elastic element;
• and
• a magnetic field source configured to apply a magnetic field to said electrical conductive element and to induce an electrical current in said electrical conductive element;
• wherein said vibrating assembly is configured to oscillate in response to said flow, causing displacements of said electrical conductive element relatively to the direction of said magnetic field, and to output said electrical current resulting from said displacements.

An electrical power generating system, said system comprising:

• at least two electricity generating devices combined into a single electrical circuit, each device comprising:
• a vibrating assembly for placing in a flow, said vibrating assembly comprising
• an electrical conductive element having a longitudinal axis, and
• at least one elastic element having at least one end fixed to a base,
• wherein said electrical conductive element is integrated with said at least one elastic element;
• and
• a magnetic field source configured to apply a magnetic field to said electrical conductive element and to induce an electrical current in said electrical conductive element;
• wherein said vibrating assembly is configured to oscillate in response to said flow, causing displacements of said electrical conductive element relatively to the direction of said magnetic field, and to output said electrical current resulting from said displacements.

A method for generating electricity, said method comprising:

• placing a vibrating assembly in a flow, wherein said vibrating assembly is performing oscillations caused by said flow,
• said vibrating assembly comprising an electrical conductive element, and
• at least one elastic element having at least one end fixed to a base, wherein said electrical conductive element is integrated with said at least one elastic element;
• and
• applying a magnetic field to said electrical conductive element, wherein said magnetic field induces an electrical current in said electrical conductive element.