SYSTEM AND METHOD FOR MEASURING ENERGY IN MAGNETIC INTERACTIONS
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United States of America Patent
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Issued Date -
Jan 8, 2009
app pub date -
Jul 2, 2008
filing date -
Jul 2, 2007
priority date (Note) -
Abandoned
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Abstract
An apparatus and method is provided for measuring magnetic force response time due to the magnetic viscosity of materials and for measuring total energy exchanged due to relative motion of magnetic materials. Voltage and current versus time through an electromagnet is measured and recorded. Corresponding force versus time is measured for magnetic forces applied to a material under test in response to energizing the electromagnet to determine effects of magnetic viscosity of the material under test. A test system is also provided for measuring energy exchanged due to the relative motion of magnetic materials. Absolute values of transferred mechanical energy and electrical energy are combined to determine the total energy exchanged by interaction of a permanent magnet and an electromagnet.
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