Electricity-Generating Heat Conversion Device and System
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Dec 16, 2009
filing date -
Dec 16, 2009
priority date (Note) -
Abandoned
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Abstract
A heat conversion device configured for generating electricity and converting thermal energy includes a heat engine configured for converting thermal energy to mechanical energy. The heat engine includes a pseudoplastically pre-strained shape-memory alloy having a crystallographic phase changeable between austenite and martensite in response to thermal energy from a temperature difference between fluids of less than or equal to about 300° C. The heat engine also includes a generator driven by the heat engine and configured for converting mechanical energy to electricity. A heat conversion system configured for generating electricity and converting thermal energy includes a source of thermal energy provided by a temperature difference of less than or equal to about 300° C. between a primary fluid having a first temperature and a secondary fluid having a second temperature that is different from the first temperature, and the heat conversion device.
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