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:
Sep. 11, 2018
Filed:
Jan. 23, 2012
Applicants:
Lin Sun, Tallahassee, FL (US);
Joost Brasz, Fayetteville, NY (US);
Mogens Rasmussen, Tallahassee, FL (US);
Inventors:
Lin Sun, Tallahassee, FL (US);
Joost Brasz, Fayetteville, NY (US);
Mogens Rasmussen, Tallahassee, FL (US);
Assignee:
DANFOSS A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 17/12 (2006.01); F04D 27/00 (2006.01); F04D 27/02 (2006.01); F04D 29/46 (2006.01); F25B 1/00 (2006.01); F04D 17/14 (2006.01); F25B 1/053 (2006.01); F25B 1/10 (2006.01);
U.S. Cl.
CPC ...
F04D 17/12 (2013.01); F04D 17/122 (2013.01); F04D 27/002 (2013.01); F04D 27/0261 (2013.01); F04D 29/462 (2013.01); F04D 29/464 (2013.01); F25B 1/00 (2013.01); F04D 17/14 (2013.01); F05D 2250/52 (2013.01); F25B 1/053 (2013.01); F25B 1/10 (2013.01); F25B 2600/0253 (2013.01); Y02B 30/741 (2013.01);
Abstract
A refrigeration system includes a chiller having a refrigerant loop. A compressor is part of and in fluid communication with the refrigerant loop. The compressor has two stages, one with a variable geometry diffuser and one with a fixed geometry diffuser.