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:
Oct. 15, 2019
Filed:
Jan. 08, 2016
Applicant:
Trane International Inc., Davidson, NC (US);
Inventors:
Stephen A. Kujak, Onalaska, WI (US);
Kenneth J. Schultz, Onalaska, WI (US);
Ronald Maurice Cosby, II, La Crosse, WI (US);
Assignee:
TRANE INTERNATIONAL INC., Davidson, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 45/00 (2006.01); F25B 9/10 (2006.01); F25B 13/00 (2006.01); F25B 5/04 (2006.01); F25B 7/00 (2006.01); F25B 41/04 (2006.01); F25B 9/00 (2006.01); F24H 4/02 (2006.01);
U.S. Cl.
CPC ...
F25B 9/10 (2013.01); F25B 5/04 (2013.01); F25B 7/00 (2013.01); F25B 9/002 (2013.01); F25B 9/008 (2013.01); F25B 13/00 (2013.01); F25B 45/00 (2013.01); F24H 4/02 (2013.01); F25B 41/043 (2013.01); F25B 2313/0252 (2013.01); F25B 2313/0253 (2013.01); F25B 2339/047 (2013.01); F25B 2400/0403 (2013.01); F25B 2500/31 (2013.01); F25B 2600/2501 (2013.01);
Abstract
Embodiments as disclosed herein are directed to a heat pump that employs at least two different refrigerants, each of which is optimized for either a cooling operation mode or a heating operation mode. The embodiments as disclosed herein can help increase the capacity and/or efficiency of a heat pump in both the cooling operation mode and the heating operation mode. In addition, the embodiments as disclosed herein may also eliminate the need for a ground source in a relatively low ambient temperature environment.