Internal-combustion engines – Water and hydrocarbon
Patent
1994-12-12
1996-07-30
Yuen, Henry C.
Internal-combustion engines
Water and hydrocarbon
123 25Q, 123541, F02B 4700
Patent
active
055401910
ABSTRACT:
A thermal regenerator used on an internal combustion engine normally absorbs heat from expanded hot combustion gases when moved in one direction and transfers the absorbed heat to the compressed intake air when moved through the air in an opposite direction. In order to improve efficiency of the thermal regenerator, finely dispersed cooling liquid is added into the intake air to cool the intake air to a lower temperature before the thermal regenerator transfers the absorbed heat. When compressing a mixture of finely dispersed cooling liquid in the intake air, the vaporization of the cooling liquid reduces compression work and the resultant temperature. The reduced compression temperature allows more heat to be extracted from the exhaust, raises the effectiveness of the regenerator and the efficiency of the engine.
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Caterpillar Inc.
Charlton Diana L.
Solis Erick
Yuen Henry C.
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