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    MULTI-LOBED COOLING HOLE
    66.
    发明公开
    MULTI-LOBED COOLING HOLE 审中-公开
    多出口冷却孔

    公开(公告)号：EP2971669A2

    公开(公告)日：2016-01-20

    申请号：EP14807314.1

    申请日：2014-03-11

    Applicant: United Technologies Corporation

    Inventor： XU, JinQuan

    IPC: F02C7/12 ,  F02C7/18 ,  F01D25/12 ,  F01D5/18 ,  F04D29/58

    CPC classification number: F01D5/186 ,  F01D9/065 ,  F05D2240/11 ,  F05D2240/81 ,  F05D2250/73 ,  F05D2260/202 ,  F23R2900/03042 ,  Y02T50/676

    Abstract: A gas turbine engine component subjected to a flow of high temperature gas includes a wall having first and second surfaces and a cooling hole extending through the wall. The cooling hole includes an inlet located at the first surface, an outlet located at the second surface, a metering section extending downstream from the inlet, and a diffusing section extending from the metering section to the outlet. The diffusing section includes a first lobe diverging longitudinally and laterally from the metering section and having a first downstream end adjacent the outlet and spaced from the inlet by a first distance, a second lobe diverging longitudinally from the metering section and having a second downstream end adjacent the outlet and spaced from the inlet by a second distance different from the first, and a transition region positioned between the lobes, the transition region having a third downstream end adjacent the outlet.

    Abstract translation: 经受高温气体流动的燃气涡轮发动机部件包括具有第一和第二表面以及延伸穿过该壁的冷却孔的壁。 冷却孔包括位于第一表面的入口，位于第二表面的出口，从入口向下游延伸的计量部分以及从计量部分延伸至出口的扩散部分。 扩散部分包括一个从计量部分纵向和横向分开的第一凸耳，该第一凸耳具有邻近出口并与入口间隔第一距离的第一下游端，第二凸耳从计量部分纵向分叉，并具有与第二下游端相邻的第二下游端 出口并且与入口间隔开与第一距离不同的第二距离，以及位于这些叶片之间的过渡区域，过渡区域具有邻近出口的第三下游端。

    MULTI-LOBED COOLING HOLE ARRAY
    68.
    发明公开
    MULTI-LOBED COOLING HOLE ARRAY 有权
    用协议多CAM散热孔

    公开(公告)号：EP2815106A2

    公开(公告)日：2014-12-24

    申请号：EP13784737.2

    申请日：2013-02-12

    Applicant: United Technologies Corporation

    Inventor： XU, JinQuan

    IPC: F02C7/18 ,  F01D25/12 ,  F02K3/00 ,  F01D5/08

    CPC classification number: F01D5/186 ,  F05D2250/324 ,  F05D2250/52 ,  F05D2260/202 ,  F05D2260/221 ,  Y02T50/676 ,  Y10T29/49323

    Abstract: A gas turbine engine component includes a wall having first and second wall surfaces and first and second cooling holes extending through the wall. The first and second cooling holes each include an inlet located at the first wall surface, an outlet located at the second wall surface, a metering section extending downstream from the inlet and a diffusing section extending from the metering section to the outlet. Each diffusing section includes first and second lobes, each lobe diverging longitudinally and laterally from the metering section. The outlets of each cooling hole include first and second lateral ends and a trailing edge. One of the lateral ends of the outlet of the first cooling hole and one of the lateral ends of the outlet of the second cooling hole meet upstream of the trailing edge of the first cooling hole and the trailing edge of the second cooling hole.

    COOLING HOLE WITH THERMO-MECHANICAL FATIGUE RESISTANCE
    69.
    发明公开
    COOLING HOLE WITH THERMO-MECHANICAL FATIGUE RESISTANCE 审中-公开
    散热孔与抗病性的热机械疲劳

    公开(公告)号：EP2815103A2

    公开(公告)日：2014-12-24

    申请号：EP13784334.8

    申请日：2013-02-12

    Applicant: United Technologies Corporation

    Inventor： KOHLI, Atul ,  GLEINER, Matthew, S. ,  ZELESKY, Mark, F. ,  XU, JinQuan

    IPC: F02C7/18 ,  F01D25/12 ,  F02K3/00 ,  F01D5/08

    CPC classification number: F23R3/06 ,  F01D5/186 ,  F01D9/065 ,  F05D2240/81 ,  F05D2260/202 ,  F23R2900/03042 ,  Y02T50/676

    Abstract: A gas turbine engine includes a wall having first and second wall surfaces and a cooling hole extending through the wall. The cooling hole includes an inlet located at the first wall surface, an outlet located at the second wall surface, a metering section extending downstream from the inlet and a diffusing section extending from the metering section to the outlet. The diffusing section includes a first lobe diverging longitudinally and laterally from the metering section, a second lobe diverging longitudinally and laterally from the metering section, an upstream end located at the outlet, a trailing edge located at the outlet opposite the upstream end and generally opposite first and second sidewalls. Each sidewall has an edge extending along the outlet between the upstream end and the trailing edge. Each edge diverges laterally from the upstream end and converges laterally before reaching the trailing edge.

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