Turboshaft engine with parallel shafts
申请公布号:US9297305(B2)
申请号:US201013395212
申请日期:2010.09.29
申请公布日期:2016.03.29
发明人:Drachsler Antoine;Perbos Alain Michel;Silet Joel
分类号:F02C3/14;F02C3/10;F02C3/05
主分类号:F02C3/14
代理人:Oblon, McClelland, Maier & Neustadt, L.L.P.
地址:Bordes FR
摘要:A free-turbine turboshaft engine including a gas generator including at least one compressor supplied with air, a combustion chamber receiving the compressed air at the output of the compressor, and at least one generator turbine mechanically connected to the compressor by a drive shaft and driven by gases from combustion of fuel carried out in the combustion chamber, and including a free turbine supplied by the gases from the combustion after passing through the generator turbine and which drives a power shaft positioned non-coaxially relative to the drive shaft of the gas generator and supplying the power of the turboshaft engine via a reduction gear. The combustion chamber is a substantially cylindrical or frusto-conical chamber, coaxial with the axis of the generator turbine, and includes a single injector.
主权项:1. A turboshaft engine with a free turbine for an aircraft, comprising: a gas generator comprising at least one compressor supplied with air; a combustion chamber receiving compressed air leaving the compressor; at least one generator turbine connected mechanically to the compressor by a drive shaft and driven by gases arising from fuel combustion carried out in the combustion chamber; a free turbine supplied with the gases arising from the combustion after passage thereof through the generator turbine, and which drives a power shaft not in an extension of the drive shaft of the gas generator, and supplying the turboshaft engine power via a reduction gearbox, wherein the generator turbine is of axial type and the combustion chamber is a substantially cylindrical or frustoconical chamber, in an extension of the axis of the generator turbine, and comprising a single injector; wherein the power shaft is oriented parallel to the drive shaft; and wherein the reduction gearbox is associated with an accessories gearbox, the two gearboxes being positioned in the longitudinal direction on a level with an air inlet of the compressor.
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