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    TURBOFAN ENGINE FRONT SECTION
    92.
    发明申请
    TURBOFAN ENGINE FRONT SECTION 审中-公开
    涡轮发动机前部分

    公开(公告)号：US20160108807A1

    公开(公告)日：2016-04-21

    申请号：US14785872

    申请日：2014-04-29

    Applicant: UNITED TECHNOLOGIES CORPORATION

    Inventor： Frederick M. Schwarz ,  William G. Sheridan

    IPC: F02C3/107 ,  F16H1/28 ,  F02K3/06

    CPC classification number: F01D25/24 ,  F01D5/02 ,  F01D5/12 ,  F01D17/105 ,  F02C3/107 ,  F02K3/06 ,  F04D29/321 ,  F05D2220/32 ,  F05D2220/36 ,  F05D2230/60 ,  F05D2240/24 ,  F05D2250/51 ,  F05D2260/40311 ,  F16H1/28

    Abstract: A turbofan engine includes a geared architecture for driving a fan about an axis. The geared architecture includes a sun gear rotatable about an axis, a plurality of planet gears driven by the sun gear and a ring gear circumscribing the plurality of planet gears. A carrier supports the plurality of planet gears. The geared architecture includes a power transfer parameter (PTP) defined as power transferred through the geared architecture divided by gear volume multiplied by a gear reduction ratio and is between about 430 and 645.

    Abstract translation: 涡扇发动机包括用于围绕轴驱动风扇的齿轮架构。 齿轮架构包括围绕轴线旋转的太阳齿轮，由太阳齿轮驱动的多个行星齿轮和围绕多个行星齿轮的环形齿轮。 载体支撑多个行星齿轮。 齿轮架构包括功率传递参数（PTP），定义为通过齿轮传动结构传递的功率，除以齿轮量乘以齿轮减速比，在约430和645之间。

    Turbofan Engine Bearing and Gearbox Arrangement
    93.
    发明申请
    Turbofan Engine Bearing and Gearbox Arrangement 审中-公开
    涡轮发动机轴承和齿轮箱布置

    公开(公告)号：US20160032827A1

    公开(公告)日：2016-02-04

    申请号：US14776913

    申请日：2014-03-13

    Applicant: UNITED TECHNOLOGIES CORPORATION

    Inventor： William G. Sheridan ,  Michael E. McCune

    IPC: F02C3/107 ,  F02C7/36 ,  F02C7/06

    CPC classification number: F02C3/107 ,  F02C7/06 ,  F02C7/36 ,  F02K3/06 ,  F05D2260/403 ,  F05D2260/4031

    Abstract: A turbofan engine (20) has a fan shaft (120) coupling a fan drive gear system (60) to the fan (28). A low spool comprises a low pressure turbine (50) and a low shaft (56) coupling the low pressure turbine to the fan drive gear system. A core spool comprises a high pressure turbine (46), a compressor (44), and a core shaft (52) coupling the high pressure turbine to the core spool compressor. A first bearing (150) engages the fan shaft, the first bearing being a thrust bearing. A second bearing (160) engages the fan shaft on an opposite side of the fan drive gear system from the first bearing, the second bearing being a roller bearing. A third bearing (180) engages the low spool shaft and the fan shaft.

    Abstract translation: 涡轮风扇发动机（20）具有将风扇驱动齿轮系统（60）联接到风扇（28）的风扇轴（120）。 低阀芯包括将低压涡轮机联接到风扇驱动齿轮系统的低压涡轮机（50）和低轴（56）。 芯轴卷轴包括高压涡轮机（46），压缩机（44）和将高压涡轮机联接到芯轴卷轴压缩机的芯轴（52）。 第一轴承（150）接合风扇轴，第一轴承是推力轴承。 第二轴承（160）与风扇驱动齿轮系的与第一轴承相反的一侧接合风扇轴，第二轴承是滚子轴承。 第三轴承（180）接合低卷筒轴和风扇轴。

    SCAVENGE FILTER SYSTEM FOR A GAS TURBINE ENGINE
    94.
    发明申请
    SCAVENGE FILTER SYSTEM FOR A GAS TURBINE ENGINE 审中-公开
    气动涡轮发动机SCAVENGE滤清器系统

    公开(公告)号：US20150343346A1

    公开(公告)日：2015-12-03

    申请号：US14703918

    申请日：2015-05-05

    Applicant: United Technologies Corporation

    Inventor： William G. Sheridan

    IPC: B01D35/00 ,  F02C7/06 ,  B01D35/14 ,  B01D29/52 ,  B01D35/26

    CPC classification number: B01D35/005 ,  B01D29/52 ,  B01D35/14 ,  B01D35/26 ,  F01D25/20 ,  F01M1/02 ,  F01M2001/1057 ,  F01M2001/1071 ,  F02C7/06 ,  F05D2260/607 ,  F05D2260/98 ,  F16N39/02 ,  F16N39/06 ,  F16N2200/04 ,  F16N2210/12 ,  F16N2210/14 ,  F16N2250/32

    Abstract: A scavenge filter system according to an exemplary aspect of the present disclosure includes, among other things, a first scavenge pump stage positioned in a first flow path downstream of a first bearing compartment of a spool and a second scavenge pump stage positioned in a second flow path downstream of a second bearing compartment. The second bearing compartment houses a geared architecture mechanically coupled to the spool. A first scavenge filter fluidly couples the first scavenge pump stage to at least one oil reservoir. A second scavenge filter fluidly couples the second scavenge pump stage to the at least one oil reservoir. The first and second scavenge filters are separate and distinct. A method of filtering debris is also disclosed.

    Abstract translation: 根据本公开的示例性方面的清扫过滤器系统尤其包括第一清除泵级，其定位在阀芯的第一轴承室下游的第一流动路径中，以及定位在第二流动中的第二清除泵级 路径在第二轴承隔间的下游。 第二轴承隔室装有机械联接到阀芯的齿轮架构。 第一清扫过滤器将第一清扫泵级流体地耦合到至少一个储油器。 第二扫气过滤器将第二扫气泵级流体地耦合到至少一个储油器。 第一和第二清扫过滤器是分开和不同的。 还公开了一种过滤碎屑的方法。

    LOAD BALANCED JOURNAL BEARING PIN
    96.
    发明申请
    LOAD BALANCED JOURNAL BEARING PIN 审中-公开
    负载平衡轴承轴承

    公开(公告)号：US20150285154A1

    公开(公告)日：2015-10-08

    申请号：US14307587

    申请日：2014-06-18

    Applicant: United Technologies Corporation

    Inventor： William G. Sheridan

    IPC: F02C7/36 ,  F16H1/48 ,  F16H57/04 ,  F02C3/04

    CPC classification number: F02C7/36 ,  F02C3/04 ,  F05D2220/32 ,  F05D2230/50 ,  F05D2240/50 ,  F05D2260/40311 ,  F16H1/2836 ,  F16H1/48 ,  F16H57/0479 ,  Y10T29/49464

    Abstract: A disclosed fan drive gear system includes a sun gear rotatable about an axis of rotation, a plurality of intermediate gears rotatable about an intermediate gear rotation axis in meshing engagement with the sun gear and a ring gear circumscribing the intermediate gears. A bearing assembly supports at least one of the plurality of intermediate gears and includes a first beam extending in a first direction and a second beam extending from an end of the first beam in a second direction. The bearing surface supported on the second beam such that first and second beams are configured to maintain the bearing surface substantially parallel to the intermediate gear rotation axis during operation.

    Abstract translation: 所公开的风扇驱动齿轮系统包括可围绕旋转轴线旋转的太阳齿轮，可围绕与太阳齿轮啮合的中间齿轮旋转轴线旋转的多个中间齿轮和围绕中间齿轮的环形齿轮。 轴承组件支撑多个中间齿轮中的至少一个，并且包括沿第一方向延伸的第一梁和在第二方向上从第一梁的端部延伸的第二梁。 承载表面支撑在第二梁上，使得第一和第二梁构造成在运行期间将支承表面基本平行于中间齿轮旋转轴线保持平行。

    GEARED TURBOFAN HIGH GEARBOX POWER DENSITY
    97.
    发明申请
    GEARED TURBOFAN HIGH GEARBOX POWER DENSITY 审中-公开
    齿轮变速箱高齿轮功率密度

    公开(公告)号：US20150267618A1

    公开(公告)日：2015-09-24

    申请号：US14431839

    申请日：2013-03-15

    Applicant: UNITED TECHNOLOGIES CORPORATION

    Inventor： Frederick M. Schwarz ,  William G. Sheridan ,  Glenn Levasseur

    IPC: F02C7/36 ,  B23P15/14 ,  F16H57/04 ,  F16H1/36 ,  F16H1/48

    CPC classification number: F02C7/36 ,  B23P15/14 ,  F02C3/107 ,  F05D2260/40311 ,  F16H1/36 ,  F16H1/48 ,  F16H57/0412 ,  F16H57/0486 ,  Y02T50/671 ,  Y10T29/49316

    Abstract: A geared architecture for a gas turbine engine includes a central gear supported for rotation about the axis, a plurality of intermediate gears engaged with the central gear and a ring gear circumscribing the intermediate gears. A first flexible coupling is provided between an input shaft driven by a turbine section and the sun gear. The geared architecture provides a power density comprising a power measured in horsepower (HP) related to a weight of the geared architecture within a defined range that benefits overall engine weight and efficiency.

    Abstract translation: 用于燃气涡轮发动机的齿轮架构包括被支撑用于围绕轴线旋转的中心齿轮，与中心齿轮接合的多个中间齿轮和限定中间齿轮的环形齿轮。 在由涡轮部分驱动的输入轴和太阳齿轮之间提供第一柔性联轴器。 齿轮架构提供功率密度，其功率密度包括在限定范围内与齿轮架构的重量相关的功率（HP），该功率有利于整个发动机的重量和效率。

    Fan drive planetary gear system integrated carrier and torque frame
    99.
    发明授权
    Fan drive planetary gear system integrated carrier and torque frame 有权
    风扇驱动行星齿轮系统集成载体和扭矩框架

    公开(公告)号：US09068629B2

    公开(公告)日：2015-06-30

    申请号：US14290576

    申请日：2014-05-29

    Applicant: United Technologies Corporation

    Inventor： William G. Sheridan

    IPC: F16H1/28 ,  F01D25/16 ,  F02C7/36 ,  F16C23/04 ,  F16H57/04

    CPC classification number: F16H1/28 ,  F01D25/16 ,  F02C7/36 ,  F16C23/045 ,  F16C2360/23 ,  F16H57/0427 ,  F16H57/082 ,  Y02T50/672 ,  Y10T29/49245

    Abstract: A fan gear drive system includes a fan shaft, a turbine shaft, a fixed structure, and a gear train which includes a torque frame that comprises a base with integrated gear shafts that are circumferentially spaced relative to one another. Each shaft provides a shaft axis. Intermediate gears are supported on each bearing assembly for rotation about the bearing axis. A central gear is located radially inward from and intermeshes with the intermediate gears. A ring gear is arranged about and intermeshes with the intermediate gears. One of the torque frame, central gear and ring gear is connected to the fan shaft. Another of the torque frame, central gear and ring gear is connected to the turbine shaft. The remaining of the torque frame, central gear and ring gear is connected to the fixed structure. A bearing assembly is mounted on each of the gear shafts and provides a bearing axis. Each bearing assembly supports the respective intermediate gear.

    Abstract translation: 风扇齿轮传动系统包括风扇轴，涡轮轴，固定结构和齿轮系，其包括扭矩框架，该扭矩框架包括具有相对于彼此周向间隔开的一体化齿轮轴的基座。 每个轴提供轴轴。 中间齿轮支撑在每个轴承组件上以围绕轴承轴线旋转。 中心齿轮径向向内定位并与中间齿轮相互啮合。 环形齿轮布置在中间齿轮周围并与之啮合。 扭矩框架，中心齿轮和环形齿轮之一连接到风扇轴。 扭矩框架，中心齿轮和环形齿轮中的另一个连接到涡轮轴。 扭矩框架，中心齿轮和环形齿轮的剩余部分连接到固定结构。 轴承组件安装在每个齿轮轴上并提供轴承轴线。 每个轴承组件支撑相应的中间齿轮。

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