| 摘要 |
A micro power unit comprises a Rankine cycle circuit powered by combustion of hydrocarbon fuel from tank ( 2 ). Combustion takes place on a combustion catalyst ( 6 ) in a chamber ( 5 ). The fluid circuit includes a boiler ( 10 ), turbine ( 11 ), a condenser ( 12 ) and feed pump ( 13 ). The feed pump impeller ( 13 A) is driven by magnetic coupling with the turbine rotor ( 11 A) and further magnetic couplings may be used to drive e.g. a propeller ( 15 ) for a micro air vehicle and/or electrical generator ( 16 ).
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