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. 29, 2025
Filed:
Feb. 23, 2022
Applicant:
Danfoss A/s, Nordborg, DK;
Inventors:
Tianlei Li, Tallahassee, FL (US);
Lin Xiang Sun, Tallahassee, FL (US);
Assignee:
Danfoss A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 1/00 (2006.01); F01D 5/04 (2006.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B23K 1/0018 (2013.01); F01D 5/04 (2013.01); B23K 2101/001 (2018.08); F05D 2230/237 (2013.01);
Abstract
In some aspects, the techniques described herein relate to a method of manufacturing a shrouded impeller, including: arranging a shell relative to an impeller, wherein the impeller includes a plurality of blades, wherein the shell includes a plurality of slots, and wherein the arranging step includes aligning each of the slots with a tip of a respective one of the blades of the impeller; applying brazing paste to each of the tips by using the slots to direct the brazing paste to the tips; arranging a shroud relative to the impeller; and joining the impeller and shroud using a brazing technique.