Ferrofluidic, electrical power generator
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United States of America Patent
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-
Dec 3, 2002
Grant Date -
N/A
app pub date -
Jan 22, 2002
filing date -
Jan 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ferrofluidic electrical power generator installed within an agitating object, such as the interior of a vehicular tire generates electrical current in an electrical winding wound about an elongated permanent magnet. The winding is surrounded by sealed container made of non-magnetic material, partially filled with magnetized ferrofluid. The permanent magnet and the magnetized ferrofluid form a magnetic circuit surrounded by the electrical winding. Rotation and horizontal velocity of the tire will agitate the magnetized ferrofluid within the sealed container causing cyclic variations in the distribution of the magnetized ferrofluid causing variation in the magnetic flux density, thus, induction in the electrical winding.
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