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.

Date of Patent:
May. 19, 2026

Filed:

Jul. 28, 2023
Applicant:

Nuovo Pignone Tecnologie—s.r.l., Florence, IT;

Inventors:

Vincenzo Stivale, Florence, IT;

Stefano Ricci, Florence, IT;

Stefano Costantino, Florence, IT;

Massimo Guerrini, Florence, IT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/21 (2014.01); B23K 26/08 (2014.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
B23K 26/21 (2015.10); B23K 26/08 (2013.01); F04D 29/28 (2013.01);
Abstract

The method comprises a preliminary step of placing a disk and a shroud coaxial to one another, wherein one of said disk and said shroud comprises a plurality of blades projecting towards the other of said disk and said shroud, each blade having a base and a tip; wherein the other of said disk and said shroud comprises a plurality of grooves in an outer surface thereof facing opposite the blades; wherein each groove has side surfaces and a bottom; and wherein the shroud and the disk are placed in contact with one another along the blades, with each groove of said plurality of grooves extending along the respective one of said plurality of blades. Next, each blade is welded to the other of said disk and said shroud along the respective groove by a wobbling laser beam applied from the exterior of the impeller and moved along the groove.


Find Patent Forward Citations

Stivale, Vincenzo. (2026). Method for manufacturing a shrouded impeller (U.S. Patent No. 12629774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12629774

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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