Thermal expansion drive devices and related methods
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United States of America Patent
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Nov 8, 2016
Grant Date -
Oct 2, 2014
app pub date -
Mar 21, 2014
filing date -
Mar 21, 2013
priority date (Note) -
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Abstract
Thermal expansion drive devices and related methods are provided herein. A thermal expansion drive device can include a driven shaft that is configured to rotate and multiple dual heat exchanger units centered around the driven shaft. The multiple dual heat exchanger units are configured to drive rotation of the driven shaft through the creation of a gravitational imbalance in the thermal expansion drive device as portions of the multiple dual heat exchanger units are heated and cooled.
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