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Compressor with segmented inner shroud for an axial turbine engine

机译:带有分段内罩的轴流涡轮发动机压缩机

摘要

An assembly for a turbojet, wherein the assembly includes an outer shroud and an inner shroud that are concentric, wherein the inner shroud is segmented and includes circumferential clearances between the segments thereof. The assembly additionally includes an annular row of stator vanes connecting the inner shroud to the outer shroud, a drive with a reduction ratio that is intended to be coupled to a fan, and a circuit for cooling and for lubricating the drive. The circuit is configured to heat up at least the outer shroud during the operation of the turbine engine such as to circumferentially reduce the circumferential clearances between the segments.
机译:一种用于涡轮喷气发动机的组件,其中,该组件包括同心的外罩和内罩,其中内罩是分段的,并且在其段之间包括周向间隙。该组件还包括将内部护罩连接到外部护罩的环形定子叶片行,旨在与风扇连接的具有减速比的驱动器以及用于冷却和润滑驱动器的电路。该回路构造成在涡轮发动机的操作期间至少加热外罩,以便周向减小段之间的周向间隙。

著录项

  • 公开/公告号US10690147B2

    专利类型

  • 公开/公告日2020-06-23

    原文格式PDF

  • 申请/专利权人 SAFRAN AERO BOOSTERS SA;

    申请/专利号US201815872242

  • 发明设计人 STEPHANE HIERNAUX;

    申请日2018-01-16

  • 分类号F04D29/58;F01D25/24;F01D25/02;F01D9/04;F01D11/02;F01D5/14;F01D11;F01D15/12;F01D11/24;F02C7/14;F02C7/06;F01D25/14;F02C7/047;F01D25/10;F01D25/16;F04D29/54;

  • 国家 US

  • 入库时间 2022-08-21 11:31:19

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