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    • 8. 发明专利
    • Gas turbine hot section of the cooling device
    • JP5222057B2
    • 2013-06-26
    • JP2008205695
    • 2008-08-08
    • 三菱重工業株式会社
    • 豪通 小薮哲 羽田
    • F01D9/02F01D25/12F01D25/24F02C7/18
    • Y02E20/16Y02E20/18
    • PROBLEM TO BE SOLVED: To sufficiently cool high temperature members of a gas turbine while suppressing the deterioration of cooling efficiency caused by a cross flow without causing clogging. SOLUTION: A device for cooling high temperature parts of the gas turbine includes an impingement plate provided at the cooling face side of the high temperature member of the gas turbine and having a plurality of air blow holes wherein cooling air supplied into the impingement plate is blown out of the air blow holes and the blown-out cooling air collides with the cooling face side of the high temperature member of the gas turbine to cool the impingement plate. The impingement plate is formed of a plurality of nozzle tubes. On the cooling face side of the high temperature member of the gas turbine, the nozzle tubes having the air blow holes are provided extending via spaces in a predetermined direction. Jets blown out of the nozzle tubes toward the cooling face side of the high temperature member of the gas turbine collide with the cooling face side of the high temperature member of the gas turbine, and then flow from the spaces to the opposite side to the cooling face side of the high temperature member of the gas turbine. COPYRIGHT: (C)2010,JPO&INPIT
    • 9. 发明专利
    • Split ring cooling structure and gas turbine
    • 空值
    • JP5291799B2
    • 2013-09-18
    • JP2011528529
    • 2009-09-29
    • 三菱重工業株式会社
    • 豪通 小薮哲 羽田
    • F01D9/02F01D9/04F02C7/18
    • F01D25/12F01D11/08F01D11/24F05D2240/81F05D2260/201
    • A split ring cooling structure for cooling split rings of a gas turbine, the cooling split rings being formed of a plurality of split bodies arranged in the circumferential direction to form an annular shape and being arranged in the comportment so that the inner circumferential surface keeps a fixed distance from the tip of a turbine rotor blade. The split ring cooling structure includes a collision plate provided with a plurality of small holes, a cooling space surrounded by the collision plate and the split bodies, a first cavity arranged at the upstream side end of the split bodies in the flow direction of combustion gas perpendicularly to the axial direction of the rotating shaft, a first cooling channel communicating with the first cavity from the cooling space, and a second cooling channel communicating from the first cavity with the combustion gas space at the downstream side end of the split bodies in the flow direction of combustion gas.
    • 一种用于冷却燃气轮机的分裂环的开口环冷却结构,所述冷却开口环由沿圆周方向布置的多个分裂体形成,以形成环形并且布置在所述压实部中,使得所述内周面保持 距离涡轮转子叶片的尖端的固定距离。 开口环冷却结构包括设置有多个小孔的碰撞板,由碰撞板和分割体包围的冷却空间,沿着燃烧气体的流动方向的分离体的上游侧端部配置的第一空腔 垂直于所述旋转轴的轴向方向的第一冷却通道,从所述冷却空间与所述第一空腔连通的第一冷却通道,以及从所述第一空腔与所述分裂体的下游侧端部处的燃烧气体空间连通的第二冷却通道 燃烧气体的流动方向。