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:
May. 12, 2026
Filed:
Oct. 04, 2023
Carrier Corporation, Palm Beach Gardens, FL (US);
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Abstract
The heat pump system comprises an indoor unit and an outdoor unit communicated through a refrigerant pipeline. The outdoor unit comprises a compressor, a first heat exchanger, a first throttling device, and a change-over valve. The indoor unit comprises a second heat exchanger. A heat storage unit is arranged on the refrigerant gas-phase pipeline between the indoor unit and the outdoor unit, the heat storage unit comprising a first branch and a second branch arranged in parallel. The first branch is provided with a heat storage heat exchanger and a second throttling device, and the second branch is provided with a control valve device capable of cutting off refrigerant flowing through the second branch in a controlled manner. The heat pump system can operate in a cooling mode, a heating mode, a heat storage and heating mode, and a defrosting mode.