公开(公告)号：US20180354638A1

公开(公告)日：2018-12-13

申请号：US15778954

申请日：2016-11-25

申请人： Safran Aircraft Engines

发明人： Romain Jean-Claude Ferrier ,  Romeo Brogna ,  Jackie Raymond Julien Prouteau ,  Nicolas Joseph Sirvin

IPC分类号： B64D33/02 ,  F02C6/20 ,  F02C7/052 ,  F02C7/055

CPC分类号： B64D33/02 ,  B64D2033/022 ,  B64D2033/0246 ,  B64D2033/0293 ,  F02C6/206 ,  F02C7/052 ,  F02C7/055 ,  F05D2220/325 ,  F05D2260/607 ,  Y02T50/671 ,  Y02T50/675

摘要： The invention relates to a turbomachine (24) of the «open rotor» type or a turboprop engine comprising a nacelle (26) defining an air inlet (28), a central hub (30) and an annular air intake section (32) surrounding the central hub (30) and opening into a air supply main section (34), with the central hub (30) comprising a central trap (36) having an aperture (38) for trapping the foreign objects in an air flow entering the turbomachine (24), and an air recovery channel (48) having a discharge end (48a), through which said air recovery channel (48) opens into the main section (34), provided on the central hub (30).

公开(公告)号：US10946975B2

公开(公告)日：2021-03-16

申请号：US15778954

申请日：2016-11-25

申请人： Safran Aircraft Engines

发明人： Romain Jean-Claude Ferrier ,  Romeo Brogna ,  Jackie Raymond Julien Prouteau ,  Nicolas Joseph Sirvin

IPC分类号： B01D39/00 ,  B64D33/02 ,  F02C6/20 ,  F02C7/052 ,  F02C7/055

摘要： A turbomachine of the «open rotor» type or a turboprop engine comprises a nacelle defining an air inlet, a central hub and an annular air intake section surrounding the central hub and opening into a air supply main section, with the central hub comprising a central trap having an aperture for trapping the foreign objects in an air flow entering the turbomachine, and an air recovery channel having a discharge end, through which said air recovery channel opens into the main section, is provided on the central hub.