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:
Jan. 04, 2022
Filed:
Dec. 18, 2019
Applicant:
Carrier Corporation, Palm Beach Gardens, FL (US);
Inventors:
Derek A. Leman, Brownsburg, IN (US);
Matthew T. Austin, Brownsburg, IN (US);
Mark W. Shoemaker, Brownsburg, IN (US);
Assignee:
Carrier Corporation, Palm Beach Gardens, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 30/02 (2006.01); F25B 41/26 (2021.01); F25B 41/30 (2021.01); F25B 41/40 (2021.01);
U.S. Cl.
CPC ...
F25B 49/02 (2013.01); F25B 30/02 (2013.01); F25B 41/26 (2021.01); F25B 41/30 (2021.01); F25B 41/40 (2021.01);
Abstract
A system includes an indoor HVAC unit and an outdoor HVAC unit in communication with the indoor HVAC unit. The outdoor HVAC unit comprises a compressor, a vapor header in communication with the indoor HVAC unit and compressor, and at least one check valve to allow vapor refrigerant flow into the indoor HVAC unit during a cooling mode and to prevent liquid refrigerant from exiting the vapor header when in a heating mode. A method of operating said system is also disclosed.