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:
Jul. 30, 2024
Filed:
Mar. 23, 2023
Applicant:
Vetco Gray Scandinavia As, Sandvika, NO;
Inventors:
Giacomo Landi, Oslo, NO;
Vittorio Michelassi, Florence, IT;
Matteo Dozzini, Florence, IT;
Francesco Cangioli, Florence, IT;
Massimiliano Borghetti, Florence, IT;
Assignee:
VETCO GRAY SCANDINAVIA AS, Sandvika, NO;
Primary Examiner:
Int. Cl.
CPC ...
F04D 19/02 (2006.01); F04D 13/06 (2006.01); F04D 17/12 (2006.01); F04D 25/02 (2006.01); F04D 25/06 (2006.01); F04D 29/58 (2006.01); H02K 1/12 (2006.01); H02K 1/16 (2006.01); H02K 1/22 (2006.01); H02K 3/46 (2006.01); H02K 7/14 (2006.01); H02K 16/00 (2006.01); H02K 21/14 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
F04D 17/12 (2013.01); F04D 13/06 (2013.01); F04D 19/022 (2013.01); F04D 19/024 (2013.01); F04D 19/026 (2013.01); F04D 25/02 (2013.01); F04D 25/0606 (2013.01); F04D 29/588 (2013.01); H02K 1/12 (2013.01); H02K 1/16 (2013.01); H02K 1/22 (2013.01); H02K 3/46 (2013.01); H02K 7/14 (2013.01); H02K 16/00 (2013.01); H02K 21/14 (2013.01); H02K 21/22 (2013.01);
Abstract
A compressor or pump stage is provided. The compressor or pump stage at least comprising a central shaft () and one rotor (), where the axis of rotation of the rotor () is the central shaft () and where the rotor comprises a number, n, of rows of impellers () arranged at an outer perimeter of the rotor with an axial distance between neighbouring rows of impellers (), where n={2, 3, 4 . . . }.