Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2008-07-01
2008-07-01
Dougherty, Thomas M (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S026000, C310S367000, C310S369000
Reexamination Certificate
active
11515265
ABSTRACT:
An apparatus constructed from a combination of a magnetic north orienting lodestone, magnetostrictive ferrogel, and piezoelectric crystals can generate electrical current when exposed to kinetic motion. The apparatus is built in the shape of a geodesic sphere with two sections, an inner sphere with a lodestone in the center surrounded by outward-facing magnets, and an outer sphere with sections of stacked magnetostrictive ferrogel and piezoelectric crystals interspaced with inward-facing magnets. Upon the apparatus being given a kinetic impulse, the inner sphere will orient to magnetic north, which will cause the outward-facing magnets to pass next to stacks of ferrogel/piezoelectric crystals. The ferrogel will react by physically changing in size, imparting an impulse to the piezoelectric crystal, which will in turn release a pulse of electrical current.
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patent: 7078850 (2006-07-01), Sakai
Dougherty Thomas M
Ramer Jon V.
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