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:
May. 28, 2024
Filed:
Jul. 31, 2020
Applicant:
Danfoss A/s, Nordborg, DK;
Inventors:
Lin Xiang Sun, Tallahassee, FL (US);
Brandon Keith Pritchard, Tallahassee, FL (US);
Assignee:
DANFOSS A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 27/00 (2006.01); F04D 17/12 (2006.01); F24F 1/24 (2011.01); F25B 31/00 (2006.01); H02K 11/25 (2016.01);
U.S. Cl.
CPC ...
F04D 17/122 (2013.01); F04D 27/007 (2013.01); F24F 1/24 (2013.01); F25B 31/008 (2013.01); H02K 11/25 (2016.01); F25B 2700/1933 (2013.01);
Abstract
A refrigerant compressor includes, among other things, a first stage and a second stage downstream of the first stage, and a cooling line configured to cool power electronics. The cooling line is configured to be switched between a first mode and a second mode. The first mode is configured to dump refrigerant between the first stage and the second stage, and the second mode is configured to dump refrigerant upstream of the first stage.