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    • 1. 发明申请
    • GAS TURBINE ENGINE WITH A TRANSITION DUCT AND CORRESPONDING METHOD OF MANUFACTURING A TRANSITION DUCT
    • 具有过渡管的气体涡轮发动机和制造过渡管的相应方法
    • WO2015197308A1
    • 2015-12-30
    • PCT/EP2015/062061
    • 2015-06-01
    • SIEMENS AKTIENGESELLSCHAFT
    • BREWER, StevenBULAT, GhenadiePARKE, Robert
    • F01D9/02F01D25/08
    • F01D9/023F01D25/08F05D2240/35F05D2260/231F05D2300/611
    • A gas turbine engine (10) having a combustor (16), a turbine (18) and a transition duct (17), the transition duct (17) is located between the combustor (16) and the turbine (18) to channel hot gas (34) from the combustor (16) to the turbine (18). The transition duct (17) has an internal surface (54, 55, 56, 57) on which the hot gas (34) impinges to cause a varying temperature profile over the internal surface (54, 55, 56, 57). A thermal barrier coating (100) is located on the internal surface (54, 55, 56, 57) and comprises at least a first thermal barrier coating patch (72P) and a second thermal barrier coating patch (74P). The first thermal barrier coating patch (72P) having a first predetermined thickness (72T) located on the internal surface (54, 55, 56, 57) and within a first area (72A) subject to a higher temperature than an uncoated part of the internal surface (54, 55, 56, 57) and bounded by a first isotherm (73) of a first predetermined temperature. The second thermal barrier coating patch (74P) having a second predetermined thickness (74T) located on the internal surface (54, 55, 56, 57) and within a second area (74A) subject to a higher temperature than the uncoated part of the internal surface (54, 55, 56, 57) and bounded by a second isotherm (75) of a second predetermined temperature. The second predetermined temperature is higher than the first predetermined temperature and the second predetermined thickness (74T) is thicker than the first predetermined thickness (72T). A corresponding method of manufacturing a transition duct is also provided.
    • 一种具有燃烧器(16),涡轮机(18)和过渡管道(17)的燃气涡轮发动机(10),过渡管道(17)位于燃烧器(16)和涡轮机(18)之间,以通向热 从燃烧器(16)到涡轮机(18)的气体(34)。 过渡管道(17)具有内表面(54,55,56,57),热气体(34)在该内表面撞击以在内表面(54,55,56,57)上引起变化的温度分布。 隔热涂层(100)位于内表面(54,55,56,57)上,并且包括至少第一热障涂层补片(72P)和第二热障涂层补片(74P)。 具有第一预定厚度(72T)的第一热障涂层补片(72P)位于内表面(54,55,56,57)上并且在第一区域(72A)内经受比未涂覆部分的温度高的第一区域 内部表面(54,55,56,57),并且由第一预定温度的第一等温线(73)限定。 具有第二预定厚度(74T)的第二热障涂层贴片(74P)位于内表面(54,55,56,57)上并且在第二区域(74A)内经受比未涂覆部分高的温度 内表面(54,55,56,57),并由第二预定温度的第二等温线(75)限定。 第二预定温度高于第一预定温度,第二预定厚度(74T)比第一预定厚度(72T)厚。 还提供了制造过渡管道的相应方法。