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. 05, 2016
Filed:
Sep. 08, 2014
Applicant:
Danfoss Turbocor Compressors B.v., Amsterdam, NL;
Inventors:
Lin Sun, Tallahassee, FL (US);
Salvador Quitaleg, Crawfordville, FL (US);
Joost Brasz, Fayetteville, NY (US);
Assignee:
DANFOSS A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 1/04 (2006.01); F04D 17/12 (2006.01); F25B 1/053 (2006.01); F25B 1/10 (2006.01); F25B 41/04 (2006.01); F04D 27/02 (2006.01);
U.S. Cl.
CPC ...
F04D 17/122 (2013.01); F04D 27/0207 (2013.01); F25B 1/053 (2013.01); F25B 1/10 (2013.01); F25B 41/04 (2013.01); F25B 2400/07 (2013.01); F25B 2400/13 (2013.01);
Abstract
One exemplary embodiment of this disclosure relates to a centrifugal refrigerant compressor system. The system includes a condenser, an evaporator, and an economizer between the condenser and the evaporator. The system further includes a centrifugal compressor having a first impeller and a second impeller downstream of the first impeller. The compressor includes at least one port. Fluid from a recirculation flow path and an economizer flow path is introduced into a main flow path of the compressor by way of the at least one port.