FLEXIBLE SUPPORT STRUCTURE FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE

    公开(公告)号:CA2850042A1

    公开(公告)日:2014-03-27

    申请号:CA2850042

    申请日:2013-09-17

    Abstract: A gas turbine engine includes a flex mount for a Fan Drive Gear System defined by a lateral and transverse stiffness relationship. Epicyclic gearboxes with planetary or star gear trains may be used in gas turbine engines for their compact designs and efficient high gear reduction capabilities. Planetary and star gear trains generally include three gear train elements: a central sun gear, an outer ring gear with internal gear teeth, and a plurality of planet gears supported by a planet carrier between and in meshed engagement with both the sun gear and the ring gear.

    THREE SPOOL GEARED TURBOFAN WITH LOW PRESSURE COMPRESSOR DRIVE GEAR SYSTEM AND MECHANICAL CONTROLLER
    15.
    发明公开
    THREE SPOOL GEARED TURBOFAN WITH LOW PRESSURE COMPRESSOR DRIVE GEAR SYSTEM AND MECHANICAL CONTROLLER 审中-公开
    DREI-SPULEN-GETRIEBETURBOLÜFTERMIT NIEDERDRUCKVERDICHTERANTRIEBSSYSTEM UND MECHANISCHER STEUERUNG

    公开(公告)号:EP3039276A4

    公开(公告)日:2017-04-12

    申请号:EP14839045

    申请日:2014-08-21

    Abstract: A turbofan engine is disclosed that includes a fan rotatable about an axis, a compressor section including a high pressure compressor, a medium pressure compressor and a low pressure compressor and a turbine section including a high pressure turbine, an intermediate turbine and a fan drive turbine. A fan drive gear system is driven by the fan drive turbine for driving the fan. A compressor drive gear system is driven by the intermediate turbine for driving the low pressure compressor. A gear controller controls rotation of at least one of the fan drive gear system and the compressor drive gear system relative to a static structure to vary an effective speed reduction ratio of one of the fan drive gear system and the compressor drive gear system.

    Abstract translation: 公开了一种涡轮风扇发动机,其包括可围绕轴线旋转的风扇,包括高压压缩机,中压压缩机和低压压缩机的压缩机部分和包括高压涡轮机,中间涡轮机和风扇驱动涡轮机 。 风扇驱动齿轮系由风扇驱动涡轮驱动,用于驱动风扇。 压缩机驱动齿轮系由驱动低压压缩机的中间涡轮驱动。 齿轮控制器控制风扇驱动齿轮系统和压缩机驱动齿轮系统中的至少一个相对于静态结构的旋转,以改变风扇驱动齿轮系统和压缩机驱动齿轮系统之一的有效减速比。

    THREE SPOOL GEARED TURBOFAN WITH LOW PRESSURE COMPRESSOR DRIVE GEAR SYSTEM
    16.
    发明公开
    THREE SPOOL GEARED TURBOFAN WITH LOW PRESSURE COMPRESSOR DRIVE GEAR SYSTEM 审中-公开
    DREISPULIGERGETRIEBETURBOLÜFTERMIT NIEDERDRUCKVERDICHTERANTRIEBSSYSTEM

    公开(公告)号:EP3019728A4

    公开(公告)日:2016-07-27

    申请号:EP14823162

    申请日:2014-07-03

    Abstract: A turbofan engine includes a fan rotatable about an axis and a compressor section including a high pressure compressor and a low pressure compressor. A turbine section includes a high pressure turbine, an intermediate turbine and a fan drive turbine. The high pressure turbine is coupled to drive the high pressure compressor. A fan drive gear system is driven by the fan drive turbine for driving the fan and a compressor drive gear system is driven by the intermediate turbine for driving the low pressure compressor.

    Abstract translation: 涡轮风扇发动机包括可围绕轴线旋转的风扇和包括高压压缩机和低压压缩机的压缩机部分。 涡轮机部分包括高压涡轮机,中间涡轮机和风扇驱动涡轮机。 高压涡轮联接以驱动高压压缩机。 风扇驱动齿轮系由风扇驱动涡轮驱动,用于驱动风扇,压缩机驱动齿轮系由驱动低压压缩机的中间涡轮机驱动。

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