The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2021
Filed:
Jun. 15, 2018
Nuovo Pignone Tecnologie Srl, Florence, IT;
Ismail Hakki Sezal, Munich, DE;
Christian Aalburg, Munich, DE;
Rajesh Kumar Venkata Gadamsetty, Bangalore, IN;
Matthias Carl Lang, Munich, DE;
Venkata Rama Krishna Chaitanya Ongole, Bangalore, IN;
Alberto Scotti del Greco, Figline Valdarno, IT;
NUOVO PIGNONE TECNOLOGIE SRL, Florence, IT;
Abstract
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.