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    • 5. 发明公开
    • A gas turbine engine
    • Gasturbinenmotor
    • EP2685065A2
    • 2014-01-15
    • EP13171359.6
    • 2013-06-11
    • Rolls-Royce plc
    • Stretton, RichardHowarth, Nicholas
    • F02C3/067
    • B64C11/001B64D27/00B64D2027/005F02C3/067F02C7/04F02C7/05F02K3/025F02K3/04F05D2220/323F05D2220/325F05D2240/302F05D2250/324F05D2250/51Y02T50/66Y02T50/671Y02T50/673
    • A gas turbine engine (10) having an axial flow direction (X) therethrough in use. The gas turbine engine (10) comprises one or more rotor stages each comprising at least one rotor blade (120) having a root portion (122). The gas turbine engine (10) comprises a shroud (126) located upstream of one or more of the rotor stages relative to the axial flow direction (X). The shroud (126) defines a through passageway (128) extending between an inlet (130) and an outlet (132) which comprises a diffuser region (138). The diffuser region (138) is configured to reduce the axial velocity of air exiting the outlet (132) relative to air entering the diffuser portion (138) in use, wherein the outlet (132) is located such that air exiting the outlet (132) is directed substantially to the root portion (122) only of the rotor blades (120).
    • 一种在使用中具有轴流动方向(X)的燃气轮机(10)。 燃气涡轮发动机(10)包括一个或多个转子级,每个转子级包括至少一个具有根部(122)的转子叶片(120)。 燃气涡轮发动机(10)包括相对于轴向流动方向(X)定位在一个或多个转子级的上游的护罩(126)。 护罩(126)限定了在入口(130)和包括扩散器区域(138)的出口(132)之间延伸的通道(128)。 扩散器区域(138)构造成在使用时相对于进入扩散器部分(138)的空气减少离开出口(132)的空气的轴向速度,其中出口(132)定位成使得离开出口(132)的空气 )基本上指向转子叶片(120)的根部(122)。
    • 8. 发明公开
    • Fire resistant seal
    • Feuerfeste Dichtung。
    • EP0296643A2
    • 1988-12-28
    • EP88200810.5
    • 1988-04-26
    • THE BOEING COMPANY
    • Chee, Wan T.Aspinall, Eric L.
    • B64D27/00
    • B64D27/00
    • A fire resistant seal formed of an inner layer (20) of elastomer material that is compressible and flexible, a middle layer (22) of ceramic fiber that is fire resistant, and an outer layer (24) of elastic fabric. In the preferred embodiment, the ceramic fiber middle layer (22) totally encloses the elastomer inner layer (20), and the wear resistant outer layer (24) totally encloses the middle layer (22) and the inner layer (20). In this particular application, the fire resistant seal (10) has a toroidal-shaped compressible portion (12) and an integrally formed flange portion (14).
    • 由可压缩和柔性的弹性体材料的内层(20)形成的耐火密封件,耐火的陶瓷纤维的中间层(22)和弹性织物的外层(24)。 在优选实施例中,陶瓷纤维中间层(22)完全包围弹性体内层(20),耐磨外层(24)完全包围中间层(22)和内层(​​20)。 在该特定应用中,耐火密封件10具有环形可压缩部分12和整体形成的凸缘部分14。