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:
Apr. 14, 2025
Filed:
Apr. 11, 2022
Applicant:
Danfoss A/s, Nordborg, DK;
Inventors:
Tianli Zhang, Ann Arbor, MI (US);
Jin Yan, Tallahassee, FL (US);
Jose Manuel Urcia, Land O Lakes, FL (US);
Assignee:
Danfoss A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2005.12); F04D 17/10 (2005.12); F04D 29/28 (2005.12);
U.S. Cl.
CPC ...
F04D 29/441 (2012.12); F04D 17/10 (2012.12); F04D 29/284 (2012.12);
Abstract
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a shrouded impeller including a passageway permitting refrigerant to flow from a location radially outside a shroud of the shrouded impeller to a location radially inside the shroud.