Recycling turboshaft engine

The invention relates to a turboshaft engine (1) for an aircraft (2), comprising:-a gas generator (3) comprising a compressor (4), a combustion chamber (5) and an expansion turbine (6); -a power turbine (8) rotating the power take-off (9) by means of a reduction gear (10); -a heat exchanger (11) comprising a first circuit (12) and a second circuit (17); characterised in that the compressor (4) comprises a first shaft (22) which is rotated by a second shaft (23) of the expansion turbine (6) by means of a transmission mechanism (24), the transmission mechanism (24) and the reduction gear (10) forming part of a transmission housing (25) which is arranged axially at the front end (20) of the turboshaft engine (1) such that the compressor (4) is arranged axially between the transmission housing (25) and the power turbine (8). 本发明涉及一种用于飞行器(2)的涡轮轴发动机(1)，包括：-气体发生器(3)，气体发生器包括压缩机(4)、燃烧室(5)和膨胀涡轮(6)；-动力涡轮(8)，动力涡轮借助于减速齿轮(10)使动力输出装置(9)旋转；-热交换器(11)，热交换器包括第一回路(12)和第二回路(17)；其特征在于，压缩机(4)包括第一轴(22)，第一轴借助于传动机构(24)由膨胀涡轮(6)的第二轴(23)