Patent ID: 11940188
Assignee: COPELAND LP
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. The heat-pump system of claim 16, wherein:
working fluid flows through the indoor heat exchanger in the same direction in the first heating mode, the cooling mode, the defrost mode, and the second heating mode,
working fluid flows through the outdoor heat exchanger in the same direction in the first heating mode, the cooling mode, the defrost mode, and the second heating mode,
working fluid flows through the expansion device in the same direction in the first heating mode, the cooling mode, the defrost mode, and the second heating mode, and
working fluid flows through the working-fluid conduit in the same direction in the first heating mode, the cooling mode, the defrost mode, and the second heating mode.