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. 02, 2024
Filed:
Nov. 17, 2021
Applicant:
Danfoss A/s, Nordborg, DK;
Inventors:
Jin Yan, Tallahassee, FL (US);
Kevin Patrick Hartzog, Niceville, FL (US);
Tianli Zhang, Ann Arbor, MI (US);
Assignee:
DANFOSS A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 17/10 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/441 (2013.01); F04D 17/10 (2013.01); F04D 29/661 (2013.01);
Abstract
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a diffuser including grooves configured to resist backflow of refrigerant. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.