TRANSVERSE MOUNTED ACCESSORY GEARBOX
    1.
    发明申请
    TRANSVERSE MOUNTED ACCESSORY GEARBOX 有权
    横向安装附件齿轮箱

    公开(公告)号:US20160040601A1

    公开(公告)日:2016-02-11

    申请号:US14836484

    申请日:2015-08-26

    Abstract: An accessory gear box for a gas turbine engine having a drive shaft with a rotational axis and a tower shaft coupled to the drive shaft is provided. The accessory gear box includes a first plurality of gears arranged, which extend along a first axis substantially parallel to the rotational axis of the drive shaft. The accessory gear box includes a second plurality of gears, which extend along a second axis. The accessory gear box includes a first shaft, with one of the first plurality of gears coupled to the first shaft, and one of the second plurality of gears coupled to a second shaft. The one of the second plurality of gears coupled to the first shaft includes a first engagement surface and a second engagement surface, and the second engagement surface is coupled to another one of the second plurality of gears to drive the second shaft.

    Abstract translation: 提供一种用于燃气涡轮发动机的附件齿轮箱,其具有旋转轴线的驱动轴和联接到驱动轴的塔架轴。 附件齿轮箱包括第一多个齿轮,其布置成沿着基本上平行于驱动轴的旋转轴线的第一轴线延伸。 附件齿轮箱包括沿着第二轴线延伸的第二多个齿轮。 附件齿轮箱包括第一轴,其中第一多个齿轮中的一个联接到第一轴,并且第二多个齿轮中的一个联接到第二轴。 联接到第一轴的第二多个齿轮中的一个齿轮包括第一接合表面和第二接合表面,并且第二接合表面联接到第二多个齿轮中的另一个以驱动第二轴。

    PROPULSION AND ELECTRIC POWER GENERATION SYSTEM

    公开(公告)号:US20190061962A1

    公开(公告)日:2019-02-28

    申请号:US15683484

    申请日:2017-08-22

    Abstract: A propulsion and electric power generation system includes a dual-spool turbofan gas turbine engine and an electrical generator. The dual-spool turbofan gas turbine engine includes at least a low-pressure turbine coupled to a fan via a low-pressure spool. The low-pressure turbine is configured to generate mechanical power. The electrical generator is directly connected to the low-pressure spool and is disposed downstream of the low-pressure turbine. A first fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the fan for propulsive power generation (Pt). A second fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the electrical generator for electrical power generation (Pe). A ratio of Pe to Pt (Pe/Pt), during operation of the dual-spool turbofan gas turbine engine, controllably spans a range from less than about 0.06 to at least 0.18.

    DISTRIBUTED PROPULSION AND ELECTRIC POWER GENERATION SYSTEM

    公开(公告)号:US20190085765A1

    公开(公告)日:2019-03-21

    申请号:US15709541

    申请日:2017-09-20

    Abstract: A propulsion and electric power generation system includes a gas turbine propulsion engine, an electrical generator, an aircraft power distribution system, a plurality of auxiliary fans, and a controller. The gas turbine propulsion engine includes at least a low-pressure turbine coupled to a fan via a low-pressure spool, and the low-pressure turbine is configured to generate mechanical power. The electrical generator is directly connected to the low-pressure spool and generates a total amount of electrical power (Pe). The aircraft power distribution system receives a first fraction (Pa) of the total amount of electrical power. The auxiliary fans receive a second fraction (Pf) of the total amount of electrical power. The controller is configured to control a ratio of Pf to Pa (Pf/Pa) such that the ratio spans a range from less than 0.6 to at least 0.9.

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