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    Engine component stack and assembly thereof
    41.
    发明授权
    Engine component stack and assembly thereof 有权

    公开(公告)号：US10710202B2

    公开(公告)日：2020-07-14

    申请号：US15652712

    申请日：2017-07-18

    Applicant: United Technologies Corporation

    Inventor： Marc J. Muldoon

    IPC: B23P11/02 ,  F16C35/063 ,  F01D25/16 ,  F01D25/28 ,  F01D25/12 ,  F16C43/00 ,  F16C35/06

    Abstract: Aspects of the disclosure are directed to components of an engine and one or more methods for assembling the components. A first component is positioned adjacent to a second component such that a first surface of the first component abuts the second component. A cooling plate is coupled to the first component such that a first surface of the cooling plate abuts a second surface of the first component. A loading ram is coupled to the cooling plate such that a second surface of the cooling plate abuts the loading ram.

    Temporary post maintenance oil filter for gas-turbine engine
    42.
    发明授权
    Temporary post maintenance oil filter for gas-turbine engine 有权

    公开(公告)号：US10208625B2

    公开(公告)日：2019-02-19

    申请号：US14855854

    申请日：2015-09-16

    Applicant: United Technologies Corporation

    Inventor： Nathan D. Korn ,  Marc J. Muldoon

    IPC: F01D25/20 ,  F01D25/16 ,  F01D15/12 ,  F01D5/00 ,  F01D25/18 ,  F01D25/34 ,  F02C7/06 ,  F02C7/14 ,  F02C7/18 ,  F02C7/224

    Abstract: A method of maintaining a gas-turbine engine is provided. The method includes the steps of removing a conduit from the gas-turbine engine, installing a temporary oil filter in place of the conduit in the gas-turbine engine, and starting the gas-turbine engine with the temporary oil filter installed. A fan-drive gear system is also provided and comprises a journal bearing, a main oil pump fluidly coupled to the journal bearing, a main oil filter fluidly coupled between the journal bearing and the main oil pump, and an auxiliary oil pump fluidly coupled to the journal bearing. The auxiliary oil pump may be configured to supply oil to the journal bearing on startup. An auxiliary oil filter may also be installed between the auxiliary oil pump and the journal bearing.

    MID-TURBINE FRAME BUFFER SYSTEM
    45.
    发明申请
    MID-TURBINE FRAME BUFFER SYSTEM 审中-公开
    中涡轮框缓冲系统

    公开(公告)号：US20160208697A1

    公开(公告)日：2016-07-21

    申请号：US15084970

    申请日：2016-03-30

    Applicant: UNITED TECHNOLOGIES CORPORATION

    Inventor： Marc J. Muldoon ,  Gregory E. Reinhardt

    IPC: F02C7/06 ,  F01D11/00 ,  F01D11/02 ,  F02C3/10 ,  F02C7/28

    CPC classification number: F02C7/06 ,  F01D11/005 ,  F01D11/02 ,  F01D11/04 ,  F01D25/16 ,  F01D25/183 ,  F01D25/20 ,  F01D25/28 ,  F02C3/10 ,  F02C6/08 ,  F02C7/20 ,  F02C7/28 ,  F02K3/06 ,  F05D2220/36 ,  F05D2240/56 ,  F05D2260/98 ,  F05D2300/224 ,  F16J15/40

    Abstract: A mid-turbine frame buffer system for a gas turbine engine includes a mid-turbine frame that supports a shaft by a bearing. An air compartment and a bearing compartment are arranged radially inward of the mid-turbine frame. The bearing compartment is arranged within the air compartment and includes first and second contact seals arranged on either side of the bearing. The air compartment includes multiple air seals. A high pressure compressor is fluidly connected to the air compartment and is configured to provide high pressure air to the air compartment. A method of providing pressurized air to a buffer system includes sealing a bearing compartment with contact seals, surrounding the bearing compartment with an air compartment, and supplying high pressure air to the air compartment.

    Abstract translation: 用于燃气涡轮发动机的中涡轮机框架缓冲系统包括通过轴承支撑轴的中涡轮机框架。 空气隔间和轴承室设置在中间涡轮机框架的径向内侧。 轴承室设置在空气室内，并且包括布置在轴承两侧的第一和第二接触密封件。 空气室包括多个空气密封。 高压压缩机流体地连接到空气室，并且构造成向空气室提供高压空气。 向缓冲系统提供加压空气的方法包括用接触密封件密封轴承室，用空气室包围轴承室，并向空气室供应高压空气。

    GAS TURBINE ENGINE SHAFT MEMBERS AND MAINTENANCE METHOD
    47.
    发明申请
    GAS TURBINE ENGINE SHAFT MEMBERS AND MAINTENANCE METHOD 审中-公开
    气体涡轮发动机轴件和维护方法

    公开(公告)号：US20160146103A1

    公开(公告)日：2016-05-26

    申请号：US14937153

    申请日：2015-11-10

    Applicant: United Technologies Corporation

    Inventor： Marc J. Muldoon

    IPC: F02C3/107

    CPC classification number: F01D5/026 ,  F01D25/285 ,  F05D2220/323 ,  F05D2230/70 ,  F05D2250/281 ,  F05D2260/37

    Abstract: A gas turbine engine includes first and second shaft members in an interference fit relationship with one another at an interface. The first and second shaft members respectively include first and second flanges that are arranged adjacent to the interface. The first and second flanges respectively include first and second threads that are configured to cooperate with a tool during disassembly of the first and second shaft members.

    Abstract translation: 燃气涡轮发动机包括在界面处彼此处于过盈配合关系的第一和第二轴构件。 第一和第二轴构件分别包括邻近界面设置的第一和第二凸缘。 第一和第二凸缘分别包括构造成在拆卸第一和第二轴构件期间与工具配合的第一和第二螺纹。

    Torque connector lubrication scuppers
    48.
    发明授权
    Torque connector lubrication scuppers 有权
    扭矩连接器润滑液

    公开(公告)号：US08857149B1

    公开(公告)日：2014-10-14

    申请号：US14277472

    申请日：2014-05-14

    Applicant: United Technologies Corporation

    Inventor： Marc J. Muldoon

    IPC: F02C7/06 ,  F16H57/04 ,  F16H57/08 ,  G06F17/50

    CPC classification number: F02C7/06 ,  F02C3/04 ,  F02C7/36 ,  F05D2260/40311 ,  F05D2260/609 ,  F05D2260/98 ,  F16H57/0431 ,  F16H57/0482

    Abstract: A turbofan engine includes a fan rotatable about an axis, a compressor section, a combustor in fluid communication with the compressor section, a turbine section in fluid communication with the combustor, and a fan drive gear system including a carrier for supporting a plurality of gears. A torque frame is attached to the carrier. A plurality of connectors extends between the carrier and torque frame for securing the torque frame to the carrier. A scupper captures lubricant during gear operation and directing lubricant into a space between at least one of the plurality of connectors and at least one of the torque frame and the carrier.

    Abstract translation: 涡轮风扇发动机包括可围绕轴线旋转的风扇，压缩机部分，与压缩机部分流体连通的燃烧器，与燃烧器流体连通的涡轮部分，以及包括用于支撑多个齿轮的载体的风扇驱动齿轮系统 。 扭矩框架连接到托架上。 多个连接器在载体和扭矩框架之间延伸，用于将扭矩框固定到载体上。 排风机在齿轮操作期间捕获润滑剂，并将润滑剂引导到多个连接器中的至少一个与扭矩框架和载体中的至少一个之间的空间中。

    MID-TURBINE FRAME BUFFER SYSTEM
    49.
    发明申请
    MID-TURBINE FRAME BUFFER SYSTEM 审中-公开
    中涡轮框缓冲系统

    公开(公告)号：US20140075951A1

    公开(公告)日：2014-03-20

    申请号：US13879471

    申请日：2013-01-07

    Applicant: United Technologies Corporation

    Inventor： Marc J. Muldoon ,  Gregory E. Reinhardt

    IPC: F02C7/20

    CPC classification number: F02C7/06 ,  F01D11/005 ,  F01D11/02 ,  F01D11/04 ,  F01D25/16 ,  F01D25/183 ,  F01D25/20 ,  F01D25/28 ,  F02C3/10 ,  F02C6/08 ,  F02C7/20 ,  F02C7/28 ,  F02K3/06 ,  F05D2220/36 ,  F05D2240/56 ,  F05D2260/98 ,  F05D2300/224 ,  F16J15/40

    Abstract: A mid-turbine frame buffer system for a gas turbine engine includes a mid-turbine frame that supports a shaft by a bearing. An air compartment and a bearing compartment are arranged radially inward of the mid-turbine frame. The bearing compartment is arranged within the air compartment and includes first and second contact seals arranged on either side of the bearing. The air compartment includes multiple air seals. A high pressure compressor is fluidly connected to the air compartment and is configured to provide high pressure air to the air compartment. A method of providing pressurized air to a buffer system includes sealing a bearing compartment with contact seals, surrounding the bearing compartment with an air compartment, and supplying high pressure air to the air compartment.

    Abstract translation: 用于燃气涡轮发动机的中涡轮机框架缓冲系统包括通过轴承支撑轴的中涡轮机框架。 空气隔间和轴承室设置在中间涡轮机框架的径向内侧。 轴承室设置在空气室内，并且包括布置在轴承两侧的第一和第二接触密封件。 空气室包括多个空气密封。 高压压缩机流体地连接到空气室，并且构造成向空气室提供高压空气。 向缓冲系统提供加压空气的方法包括用接触密封件密封轴承室，用空气室包围轴承室，并向空气室供应高压空气。

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