公开(公告)号：US10927849B2

公开(公告)日：2021-02-23

申请号：US16009896

申请日：2018-06-15

申请人： NUOVO PIGNONE TECNOLOGIE SRL

发明人： Ismail Hakki Sezal ,  Christian Aalburg ,  Rajesh Kumar Venkata Gadamsetty ,  Matthias Carl Lang ,  Venkata Rama Krishna Chaitanya Ongole ,  Alberto Scotti del Greco

IPC分类号： F04D29/44 ,  F01D9/04 ,  F04D17/12 ,  F04D29/42 ,  F04D29/46 ,  F04D17/10

摘要： In some embodiments, a plenum of an apparatus for transferring energy between a rotating element and a fluid may include a through hole disposed through the plenum; a plurality of inlet guide vanes disposed proximate a peripheral edge of the through hole, the plurality of inlet guide vanes comprising a first group of inlet guide vanes having a symmetrical profile, a second group of inlet guide vanes, and a third group of inlet guide vanes, wherein each inlet guide vane of the second group and third group have a cambered profile, wherein each inlet guide vane of the second group has same cambered profile, and further wherein each inlet guide vane of the third group has a different cambered profile from each other inlet guide vane of the third group.