| 摘要 |
A power system is provided which consists of an internal combustion engine, a compressor to compress the air used in operating the engine, a pair of heat exchangers wherein the fuel for operating the engine is preheated by exhaust gases wherein the fuel is contacted indirectly, first in a low temperature zone with exhaust gas from a high temperature zone then contacted indirectly with the exhaust gases in the high temperature zone, wherein the exhaust gases are preferably boosted in velocity between the high temperature zone and the low temperature by a screw type booster fan and wherein the exhaust gases recovered from the low temperature zone are then preferably passed through one or more turbines to further recover energy.
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