Methods and systems for managing a clearance gap in a piston engine
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United States of America Patent
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Dec 2, 2014
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N/A
app pub date -
Dec 21, 2012
filing date -
Dec 29, 2011
priority date (Note) -
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Abstract
A piston engine may include a heat pipe capable of transferring heat away from a portion of the piston engine such as a combustion section. The heat pipe may be included as part of a piston assembly, a cylinder, or both. The heat pipe may be filled with a suitable heat pipe fluid that may undergo a phase change such as, for example, water, ethanol, ammonia, sodium, other fluids or combinations thereof. Boiling and condensing of the fluid within the heat pipe may utilize the latent heat of the fluid during heat transfer. Multiple heat pipes may be used in some instances.
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