发明名称 Inlet shroud assembly
摘要 An inlet shroud assembly includes a hub and a shroud for a ram air fan. The hub includes a center bore, a first frustoconical section, a plurality of slotted cooling holes located on the first frustoconical section, a second frustoconical section, a plurality of circular cooling holes located on the second frustoconical section, a rim, a central cavity, and an annular cavity. The shroud includes a central disk with a center bore, a circular flange located on a radially outer edge of the central disk, and an outer disk with a web portion and a tip portion, the tip portion having a curved lip.
申请公布号 US9556885(B2) 申请公布日期 2017.01.31
申请号 US201213592830 申请日期 2012.08.23
申请人 Hamilton Sundstrand Corporation 发明人 Beers Craig M.;Colson Darryl A.;Richardson Victoria S.
分类号 F04D29/58;F04D25/06;F04D29/32;F04D19/00 主分类号 F04D29/58
代理机构 Kinney & Lange, P.A. 代理人 Kinney & Lange, P.A.
主权项 1. A hub for a ram air fan, the hub comprising: a central hub with a center bore; a first frustoconical section radially outward and axially forward of the central hub; a plurality of slotted cooling holes on the first frustoconical section; a second frustoconical section radially outward and axially forward of the first frustoconical section; a plurality of circular cooling holes on the second frustoconical section; a rim radially outward and axially forward of the second frustoconical section; a central cavity axially forward of the central hub; and an annular cavity radially outward and axially forward of the central hub.
地址 Windsor Locks CT US