Piezoelectric energy harvester device with curved sidewalls, system, and methods of use and making
First Claim
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1. An energy harvester device comprising:
- an elongate, planar resonator beam comprising a piezoelectric material and side walls extending between first and second ends;
a base connected to said resonator beam at the first end with the second end being freely extending from said base as a cantilever; and
a mass attached to the second end of said resonator beam, wherein said side walls are continuously curved within the plane of said resonator beam.
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Abstract
The present invention relates to an energy harvester device, which includes an elongate, planar resonator beam comprising a piezoelectric material and side walls extending between first and second ends; a base connected to the resonator beam at the first end with the second end being freely extending from the base as a cantilever; and a mass attached to the second end of the resonator beam. The side walls are continuously curved within the plane of the resonator beam. Also disclosed are a system containing the device, and methods of using and making the device.
41 Citations
24 Claims
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1. An energy harvester device comprising:
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an elongate, planar resonator beam comprising a piezoelectric material and side walls extending between first and second ends; a base connected to said resonator beam at the first end with the second end being freely extending from said base as a cantilever; and a mass attached to the second end of said resonator beam, wherein said side walls are continuously curved within the plane of said resonator beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification