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. 16, 2019
Filed:
Sep. 09, 2015
Applicant:
Carrier Corporation, Farmington, CT (US);
Inventors:
Scott M. MacBain, Syracuse, NY (US);
David M. Rockwell, Cicero, NY (US);
Ulf J. Jonsson, South Windsor, CT (US);
Assignee:
CARRIER CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 31/00 (2006.01); F25B 43/02 (2006.01); F25B 49/02 (2006.01); F25B 1/10 (2006.01);
U.S. Cl.
CPC ...
F25B 31/006 (2013.01); F25B 31/004 (2013.01); F25B 43/02 (2013.01); F25B 49/02 (2013.01); F25B 49/025 (2013.01); F25B 1/10 (2013.01); F25B 31/00 (2013.01); F25B 2339/02 (2013.01); F25B 2400/01 (2013.01); F25B 2500/16 (2013.01); F25B 2600/0253 (2013.01); Y02B 30/741 (2013.01);
Abstract
In one aspect, a refrigeration system is provided. The refrigeration system includes a compressor coupled to a variable frequency drive (VFD), a condenser, an evaporator, an oil separator, and an oil conditioning circuit. The oil conditioning circuit is thermally coupled to the VFD and configured to heat oil from the oil separator with heat produced by the VFD.