| 摘要 |
An air bottoming powertrain, suitable for use in automobiles includes an internal combustion engine (18), a compressor (1) which receives gaseous working fluid and compresses it to an elevated pressure, a cooler (16) for operating the compressor isothermally, an expander (4) for deriving work fro m the compressed gas and a heat exchanger (3) located in the compressed gas li ne for indirect heat exchange between the compressed working fluid and exhaust gas from the internal combustion engine. The expander may have a cylindrical barrel with a plurality of cylinders arranged in a circle and open at one en d face of the cylinder barrel, which end face is sealed closed by a valve plat e. The cylinder barrel and valve plate allow relative rotation therebetween to drive an output shaft, driven by compressed gas from the compressor.
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