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    • 2. 发明授权
    • Seal assembly for controlling fluid flow
    • 用于控制流体流动的密封组件
    • US09234431B2
    • 2016-01-12
    • US13178784
    • 2011-07-08
    • Christian KowalskiFan ZhangUwe LohseRobert W. SunshineBurkhard Voss
    • Christian KowalskiFan ZhangUwe LohseRobert W. SunshineBurkhard Voss
    • F02C7/12F02K3/02F02C7/20F02C6/08F01D9/02F01D11/00F01D11/02F01D11/18
    • F01D9/023F01D11/006F01D11/025F01D11/18F05D2240/56F05D2300/502
    • A seal assembly (50, 60) for a gas turbine engine for controlling air flow between a diffuser (48) and rotor disks comprising first and second annular flange ends (52, 54) and an annular seal mid-section (56) between and operatively connected to the flange ends (52, 54). The first and second annular flange ends (52, 54) abut respective outer frame members (46) of the diffuser, whereby a fluid flow path is formed between the seal assembly (50, 60) and the rotor disks (42). The first and second end flanges (52, 54) are composed of a material having a coefficient of thermal expansion that is substantially the same as a coefficient of thermal expansion of the material of the outer frame members (46). In addition, the material of the seal mid-section (56) has a coefficient of thermal expansion that is different than that of the materials of the annular flange ends (52, 54) and outer frame members (46).
    • 一种用于燃气涡轮发动机的密封组件(50,60),用于控制扩散器(48)和转子盘之间的空气流,所述转子盘包括第一和第二环形凸缘端部(52,54)和环形密封中间部分(56) 可操作地连接到凸缘端部(52,54)。 第一和第二环形凸缘端部(52,54)邻接扩散器的相应的外部框架构件(46),由此在密封组件(50,60)和转子盘(42)之间形成流体流动路径。 第一和第二端部凸缘(52,54)由具有与外框架构件(46)的材料的热膨胀系数基本相同的热膨胀系数的材料构成。 此外,密封中段(56)的材料具有与环形凸缘端部(52,54)和外框架构件(46)的材料不同的热膨胀系数。
    • 4. 发明申请
    • SEAL ASSEMBLY FOR CONTROLLING FLUID FLOW
    • 密封组件控制流体流动
    • US20120017594A1
    • 2012-01-26
    • US13178784
    • 2011-07-08
    • Christian KowalskiFan ZhangUwe LohseRobert W. SunshineBurkhard Voss
    • Christian KowalskiFan ZhangUwe LohseRobert W. SunshineBurkhard Voss
    • F02C7/28F16J15/447F16J15/44F16J15/16
    • F01D9/023F01D11/006F01D11/025F01D11/18F05D2240/56F05D2300/502
    • A seal assembly (50, 60) for a gas turbine engine for controlling air flow between a diffuser (48) and rotor disks comprising first and second annular flange ends (52, 54) and an annular seal mid-section (56) between and operatively connected to the flange ends (52, 54). The first and second annular flange ends (52, 54) abut respective outer frame members (46) of the diffuser, whereby a fluid flow path is formed between the seal assembly (50, 60) and the rotor disks (42). The first and second end flanges (52, 54) are composed of a material having a coefficient of thermal expansion that is substantially the same as a coefficient of thermal expansion of the material of the outer frame members (46). In addition, the material of the seal mid-section (56) has a coefficient of thermal expansion that is different than that of the materials of the annular flange ends (52, 54) and outer frame members (46).
    • 一种用于燃气涡轮发动机的密封组件(50,60),用于控制扩散器(48)和转子盘之间的空气流,所述转子盘包括第一和第二环形凸缘端部(52,54)和环形密封中间部分(56) 可操作地连接到凸缘端部(52,54)。 第一和第二环形凸缘端部(52,54)邻接扩散器的相应的外部框架构件(46),由此在密封组件(50,60)和转子盘(42)之间形成流体流动路径。 第一和第二端部凸缘(52,54)由具有与外框架构件(46)的材料的热膨胀系数基本相同的热膨胀系数的材料构成。 此外,密封中段(56)的材料具有与环形凸缘端部(52,54)和外框架构件(46)的材料不同的热膨胀系数。