US 12,072,126 B2
System and method for controlling a flow of refrigerant in a reversing valve
Lok Sudhir Katikala, Telangana (IN); Ashoka ThimmaReddy, Telangana (IN); and Ashalatha Kapa, Telangana (IN)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Apr. 12, 2022, as Appl. No. 17/718,829.
Claims priority of application No. 202111017714 (IN), filed on Apr. 16, 2021.
Prior Publication US 2022/0333835 A1, Oct. 20, 2022
Int. Cl. F25B 41/26 (2021.01); F25B 13/00 (2006.01); F25B 49/02 (2006.01)
CPC F25B 41/26 (2021.01) [F25B 13/00 (2013.01); F25B 49/02 (2013.01); F25B 2313/027 (2013.01); F25B 2400/06 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A system comprising:
a reversing valve adapted to operate in a first mode or a second mode, the reversing valve comprising a first tube, a second tube, a third tube, a fourth tube, and a fifth tube;
a control board adapted to receive a command and determine a position for operating the reversing valve in the first mode or the second mode, wherein the reversing valve is operated in a first position or a second position in the first mode, wherein the reversing valve is operated in a third position or a fourth position in the second mode; and
a stepper motor adapted to control a flow of refrigerant based on the command and the position by connecting the fourth tube with a first compressor in the first position and the third position and connecting the fifth tube with a second compressor in the second position and the fourth position.