发明名称 Low profile vane retention
摘要 A gas turbine having an annular casing with a series of circumferentially spaced openings defined therethrough; a plurality of vanes extending radially inwardly though respective casing openings, an outer end of the vanes projecting radially outwardly from the casing through the respective openings and located within the respective openings by grommets, and an inner end of the vanes being mounted to an inner portion of the casing; a flexible, segmented strap extending around the annular casing, surrounding the projecting outer ends of the vanes; and a spring radially loading the flexible strap configured to apply a tension force to the flexible strap.
申请公布号 US9506361(B2) 申请公布日期 2016.11.29
申请号 US201313789756 申请日期 2013.03.08
申请人 PRATT & WHITNEY CANADA CORP. 发明人 Fielding Bruce;Tomes Nathan;Veitch Thomas
分类号 F01D9/04;F01D25/24 主分类号 F01D9/04
代理机构 Norton Rose Fulbright Canada LLP 代理人 Norton Rose Fulbright Canada LLP
主权项 1. A gas turbine engine having an annular casing with a series of circumferentially spaced openings defined therethrough; a plurality of vanes extending radially inwardly through respective casing openings, an outer end of the vanes projecting radially outwardly from the casing through the respective openings and located within the respective openings by grommets, and an inner end of the vanes being mounted to an inner portion of the casing; a flexible, segmented strap extending around the annular casing surrounding the projecting outer ends of the vanes; and a spring strip surrounding the plurality of vanes and positioned radially between the flexible strap and the vanes to press radially against the respective flexible strap and vanes wherein the segmented flexible strap is in the form of a plurality of segments joined end to end by clasps, and wherein the clasps each have a web portion and a securing means near each end of the web to engage a respective segment end wherein the segment end is provided with mating means to be engaged by the securing means of the clasp.
地址 Longueuil CA