Patent ID: 11859875
Assignee: LGL FRANCE S.A.S.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A refrigerant circuit, comprising:
a compressor operable to compress a refrigerant;
an expansion valve;
an outdoor heat exchanger;
an indoor heat exchanger in a fresh air inlet to a conditioned space;
a recovery heat exchanger in an extracted air outlet from the conditioned space;
a reversing valve operable to control a direction of refrigerant flow between a cooling mode and a heating mode;
wherein the outdoor heat exchanger and the recovery heat exchanger have a reverse refrigerant flow direction in the heating mode relative to the cooling mode; and
the outdoor heat exchanger and the recovery heat exchanger are both in counter-current flow in one of the heating mode and the cooling mode and in co-current flow in the other one of the heating mode and the cooling mode.