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1.发明申请TURBOSHAFT ENGINES HAVING IMPROVED INLET PARTICLE SCAVENGE SYSTEMS AND METHODS FOR THE MANUFACTURE THEREOF 有权具有改进的入口颗粒系统的涡轮发动机及其制造方法公开(公告)号：US20140119891A1
公开(公告)日：2014-05-01
申请号：US13663281
申请日：2012-10-29
IPC分类号： F02C7/05
CPC分类号： F02C7/05 , B64D33/02 , B64D2033/0246 , Y10T29/4932
摘要： Embodiments of a turboshaft engine are provided, as are embodiments of a method for manufacturing a turboshaft engine. In one embodiment, the turboshaft engine includes an Inlet Particle Separator (IPS) system having an IPS scavenge flow circuit fluidly coupled to the engine's inlet section. A heat exchanger and a heat exchanger bypass duct are fluidly coupled to the IPS scavenge flow circuit. The heat exchanger bypass duct is configured to direct airflow around the heat exchanger. A particle separation device, such as an IPS blower, is fluidly coupled in series with the heat exchanger in the IPS scavenge flow circuit. The particle separation device is positioned to direct particulate matter entrained within the airflow through the IPS scavenge flow circuit into an inlet of the heat exchanger bypass duct and thereby reduce the amount of particulate matter ingested by the heat exchanger during operation of the turboshaft engine.
摘要翻译： 与制造涡轮轴发动机的方法的实施例一样，提供了涡轮轴发动机的实施例。 在一个实施例中，涡轮轴发动机包括入口颗粒分离器（IPS）系统，其具有流体地联接到发动机入口部分的IPS清流流动回路。 热交换器和热交换器旁路管道流体耦合到IPS清流流动回路。 热交换器旁路管道被配置成引导热交换器周围的气流。 诸如IPS鼓风机的颗粒分离装置在IPS清流流动回路中与热交换器流体耦合。 颗粒分离装置被定位成将夹带在气流中的颗粒物质通过IPS扫气流回路导入热交换器旁路管道的入口，从而减少在涡轮轴发动机操作期间由热交换器摄入的颗粒物质的量。
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2.发明授权Turboshaft engines having improved inlet particle scavenge systems and methods for the manufacture thereof 有权具有改进的入口颗粒清除系统的涡轮轴发动机及其制造方法公开(公告)号：US09500129B2
公开(公告)日：2016-11-22
申请号：US13663281
申请日：2012-10-29
CPC分类号： F02C7/05 , B64D33/02 , B64D2033/0246 , Y10T29/4932
摘要： Embodiments of a turboshaft engine are provided, as are embodiments of a method for manufacturing a turboshaft engine. In one embodiment, the turboshaft engine includes an Inlet Particle Separator (IPS) system having an IPS scavenge flow circuit fluidly coupled to the engine's inlet section. A heat exchanger and a heat exchanger bypass duct are fluidly coupled to the IPS scavenge flow circuit. The heat exchanger bypass duct is configured to direct airflow around the heat exchanger. A particle separation device, such as an IPS blower, is fluidly coupled in series with the heat exchanger in the IPS scavenge flow circuit. The particle separation device is positioned to direct particulate matter entrained within the airflow through the IPS scavenge flow circuit into an inlet of the heat exchanger bypass duct and thereby reduce the amount of particulate matter ingested by the heat exchanger during operation of the turboshaft engine.
摘要翻译： 与制造涡轮轴发动机的方法的实施例一样，提供了涡轮轴发动机的实施例。 在一个实施例中，涡轮轴发动机包括入口颗粒分离器（IPS）系统，其具有流体地联接到发动机入口部分的IPS清流流动回路。 热交换器和热交换器旁路管道流体耦合到IPS清流流动回路。 热交换器旁路管道被配置成引导热交换器周围的气流。 诸如IPS鼓风机的颗粒分离装置在IPS清流流动回路中与热交换器流体耦合。 颗粒分离装置被定位成将夹带在气流中的颗粒物质通过IPS扫气流回路导入热交换器旁路管道的入口，从而减少在涡轮轴发动机操作期间由热交换器摄入的颗粒物质的量。
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