| 摘要 |
A heater for the liquid coolant in an internal combustion engine which includes a tank connected to the engine block for the circulation of engine coolant, the tank having an enclosure within its interior in sealed, heat transfer relationship with the liquid coolant in the tank and outside air is introduced into the enclosure and heated by a burner for subsequent discharge from the enclosure in a heated condition. After the transfer of heat to the liquid coolant, the heated air discharged from the enclosure is conducted to the intake manifold for heating the manifold system prior to engine starting.
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