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    • 6. 发明授权
    • Combustor systems with liners having improved cooling hole patterns
    • 具有衬垫的燃烧器系统具有改进的冷却孔模式
    • US07905094B2
    • 2011-03-15
    • US11863791
    • 2007-09-28
    • Rodolphe DudeboutPaul R. YankowichFrank J. ZupancRonald B. Pardington
    • Rodolphe DudeboutPaul R. YankowichFrank J. ZupancRonald B. Pardington
    • F02C1/00
    • F23R3/06
    • A combustor liner assembly includes a liner and a first group of cooling holes formed in the liner and having an increasing density in a downstream direction. The first group of cooling holes include a generally circumferential first row of cooling holes, a generally circumferential second row of cooling holes immediately downstream from, consecutive to, and separated from the first row at a first distance, a generally circumferential third row of cooling holes immediately downstream from, consecutive to, and separated from the second row at a second distance, and a generally circumferential fourth row of cooling holes immediately downstream from, consecutive to, and separated from the third row at a third distance. The first distance is greater than the second distance and the third distance, and the second distance is greater than the third distance.
    • 燃烧器衬套组件包括衬套和形成在衬套中的第一组冷却孔,并且在下游方向具有增加的密度。 第一组冷却孔包括大致圆周的第一排冷却孔,大致圆周的第二排冷却孔,紧邻第一排的第一排,第一排,第二排,紧邻第一排,第一排,第二排冷却孔, 在第二距离处紧邻下游,连续到第二排并且与第二排分离,以及大致圆周的第四排冷却孔,紧邻第三排的第三排,连续地和从第三排分离。 第一距离大于第二距离和第三距离,第二距离大于第三距离。
    • 8. 发明授权
    • Tri-mode combustion system
    • 三模燃烧系统
    • US6101806A
    • 2000-08-15
    • US143588
    • 1998-08-31
    • Daih-Yeou ChenCristopher FrostHans HeydrichRonald B. Pardington
    • Daih-Yeou ChenCristopher FrostHans HeydrichRonald B. Pardington
    • F02C3/13F02C6/16F02C7/268
    • F02C6/16F02C3/13F05D2220/50Y02E60/15
    • A turbine engine is disclosed that is capable of operating in an emergency power mode, an air breathing auxiliary power mode and a bypass bleed environmental control mode. In a preferred embodiment of the invention, the engine comprises in working fluid flow order a compressor for compressing air, a combustion chamber and a power turbine for extracting mechanical work from heated and/or compressed air. The compressor and turbine are separately coupled by a shaft which is also coupled to a generator for supplying electrical power and a cooling turbine for supplying cooled air to the aircraft cabin and avionics. The combustion chamber has an upstream combustor inlet and a downstream combustor inlet, each of which may admit compressed air either to be mixed with fuel for combustion, or to pass directly to the combustor outlet which is operatively attached to the power turbine section inlet. During emergency/starting operation, the combustion chamber and turbine section receive compressed air from a stored air accumulator through a stored air inlet. During normal air breathing operation, the combustion chamber and turbine section receive compressed air from a compressor through an air breathing inlet. During bypass bleed operation, the combustion chamber and turbine section receive compressed air from the aircraft main engine through a bypass bleed air inlet. The tri-mode operation is made possible by a unique two-way bypass ring having a plurality of axial passages communicating the stored air inlet and air breathing inlet with the upstream combustor inlet and a plurality of radial passages communicating the bypass bleed inlet with the downstream combustor inlet. A valving system selectively admits compressed air into the combustor and turbine section from the stored air inlet, air breathing inlet or bypass bleed inlet depending on the mode of operation.
    • 公开了一种涡轮发动机,其能够在紧急动力模式,空气呼吸辅助动力模式和旁路出血环境控制模式下操作。 在本发明的优选实施例中,发动机包括工作流体流动的压缩空气压缩机,燃烧室和动力涡轮机,用于从加热和/或压缩空气中提取机械作业。 压缩机和涡轮机分别由轴连接,轴也耦合到用于提供电力的发电机和用于向飞机机舱和航空电子设备供应冷却空气的冷却涡轮机。 燃烧室具有上游燃烧器入口和下游燃烧器入口,每个入口可以允许压缩空气与燃料混合以便燃烧,或者直接通到可操作地连接到动力涡轮机部分入口的燃烧室出口。 在紧急/启动操作期间,燃烧室和涡轮部分通过储存的空气入口从储存的空气储存器接收压缩空气。 在正常的呼吸呼吸操作期间,燃烧室和涡轮部分通过空气吸入口从压缩机接收压缩空气。 在旁路泄放操作期间,燃烧室和涡轮部分通过旁路放气入口接收来自飞机主机的压缩空气。 通过具有多个轴向通道的独特的双向旁路环来实现三模式操作,所述多个轴向通道将存储的空气入口和空气呼吸入口与上游燃烧器入口连通,以及多个径向通道将旁路出气口与下游 燃烧器入口。 阀门系统根据操作模式,从储存的空气入口,空气呼吸入口或旁路渗流入口选择性地将压缩空气进入燃烧器和涡轮机部分。