| 摘要 |
A heat engine (10) which is intended to receive thermal input energy from waste heat, low grade heat, a renewable energy source of any other convenient heat source, and which comprises an air compressor (11) arranged to receive an input of ambient air via input (12), and having an output (13) for delivering a supply of compressed air from the compressor to an air-driven motor (14) which provides a mechanical power output (15), a heat exchanger (16) arranged along the path of travel of compressed air from the compressor output (13) to the motor (14) and which is intended to be supplied with thermal input energy from any suitable heat source e.g. waste heat or solar energy heating a warm water supply (17) to the heat exchanger whereby the heat exchanger transfers thermal energy indirectly to the delivered supply of compressed air running between the compressor output and the motor, and a mechanical feed-back taking part of the power output of the motor to the compressor to operate the latter, leaving a net gain of power output to operate any required energy consumer e.g. an electricity generator (19).
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