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Thermoelectric system

United States Patent

October 30, 2007
View the Complete Patent at the US Patent & Trademark Office
In one particular embodiment, an internal combustion engine is provided. The engine comprises a block, a head, a piston, a combustion chamber defined by the block, the piston, and the head, and at least one thermoelectric device positioned between the combustion chamber and the head. In this particular embodiment, the thermoelectric device is in direct contact with the combustion chamber. In another particular embodiment, a cylinder head configured to sit atop a cylinder bank of an internal combustion engine is provided. The cylinder head comprises a cooling channel configured to receive cooling fluid, valve seats configured for receiving intake and exhaust valves, and thermoelectric devices positioned around the valve seats.
Reiners; Eric A. (Washington, IL), Taher; Mahmoud A. (Peoria, IL), Fei; Dong (Peoria, IL), McGilvray; Andrew N. (East Peoria, IL)
Caterpillar Inc. (Peoria, IL)
11/ 520,107
September 13, 2006
U.S. GOVERNMENT RIGHTS This invention was made with government support under the terms of DE-FC26-04NT42280 awarded by the Department of Energy. The government may have certain rights in this invention.