Engine with cylinder liner having a thermoelectric module, and method of operating the engine
Number of patents in Portfolio can not be more than 2000
United States of America
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Sep 24, 2019
Grant Date -
Apr 4, 2019
app pub date -
Oct 3, 2017
filing date -
Oct 3, 2017
priority date (Note) -
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Abstract
An engine includes a cylinder liner. The cylinder liner includes an interior wall, an exterior wall, and a thermoelectric element disposed therebetween. The interior wall forms a cylinder bore forming part of a combustion chamber. The exterior wall is positioned adjacent a coolant jacket. The thermoelectric element is operable to generate an electric current in response to a temperature gradient between the interior wall, which is exposed to the high temperatures of the combustion chamber, and the exterior wall, which is exposed to the cooler temperatures of a coolant in the coolant jacket. An electric current in a circuit of the thermoelectric element may be controlled to affect a cylinder wall temperature. The circuit of the thermoelectric element may be opened, and the voltage of the thermoelectric element may be measured and used to calculate the cylinder wall temperature.
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