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:
Mar. 30, 2021
Filed:
Oct. 18, 2017
Applicant:
Nuovo Pignone Tecnologie—s.r.l., Florence, IT;
Inventor:
Riccardo Brogelli, Florence, IT;
Assignee:
NUOVO PIGNONE TECNOLOGIE—S.R.L., Florence, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 29/28 (2006.01); F04D 29/16 (2006.01); F16J 15/16 (2006.01); F04D 29/68 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); F04D 29/162 (2013.01); F04D 29/441 (2013.01); F04D 29/682 (2013.01); F04D 29/684 (2013.01); F16J 15/16 (2013.01);
Abstract
A diaphragmfor a centrifugal compressor having a rear surfaceconfigured to at least partly face an impeller, the rear surfacehaving a first portiondefining at least in part a diffuserand a second portionfacing the impeller; the diaphragm has a ductprovided with an inletand an outlet, the outletbeing located on the second portionof the rear surface, the inletbeing located on the rear surfaceat a point where the static pressure is higher with respect to the static pressure at the outlet