| 摘要 |
In order to permit return of coolant condensate from a radiator to the coolant jacket in which liquid coolant is boiled and the vapor used as a vehicle for removing heat from highly heated engine structure, and simultaneous boiling point control via varying the amount of liquid coolant present in the radiator, a dual pump arrangement is provided. The first returns the liquid condensate to the radiator while the second moves coolant between the radiator and a reservoir. In some embodiments the pump arrangements are mechanically driven by the engine in order to improve response to demands for coolant movement and thus ensure rapid control of deviations from required conditions.
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