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:
Jan. 17, 2023
Filed:
Aug. 03, 2016
Applicant:
Nuovo Pignone Tecnologie Srl, Florence, IT;
Inventors:
Donato Antono Ripa, Gioia del Colle, IT;
Fabrizio Milone, Bari, IT;
Giulio Elicio, Ruva di Puglia, IT;
Assignee:
NUOVO PIGNONE TECNOLOGIE SRL, Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 1/06 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01); F04D 29/62 (2006.01);
U.S. Cl.
CPC ...
F04D 1/063 (2013.01); F04D 1/06 (2013.01); F04D 29/426 (2013.01); F04D 29/448 (2013.01); F04D 29/628 (2013.01);
Abstract
A centrifugal pump including an outer case; an inner case; a first unit and a second unit placed in fluid communication with each other, each unit including a plurality of impellers; the inner case includes two half-parts joined along a connection plane containing the axis of rotation; a connecting element is placed between the first unit and the second unit, the connecting element is engaged with a last impeller of the first unit and with a last impeller of the second unit.