Patent ID: 11959683
Assignee: THERMA-STOR LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. A method of operating a modulating refrigeration system, comprising:
introducing a first supply airflow into an evaporation unit;
introducing a second supply airflow into a condensing unit; and
during a first mode of operation:
directing a first portion of a flow of refrigerant from a first valve to a secondary evaporator in the evaporation unit;
directing a second portion of the flow of refrigerant from the first valve to a primary evaporator in the evaporation unit;
generating a second airflow by transferring heat from the first supply airflow to the first portion of the flow of refrigerant as the first supply airflow passes through the secondary evaporator;
receiving, by a secondary condenser in the evaporation unit, the flow of refrigerant from the secondary evaporator;
directing the flow of refrigerant from the secondary evaporator to the primary evaporator;
generating a third airflow by transferring heat from the second airflow to the flow of refrigerant as the second airflow passes through the primary evaporator;
generating a first output airflow by transferring heat from the third airflow to the flow of refrigerant in the secondary condenser;
receiving, by a compressor, the flow of refrigerant from the primary evaporator and providing a pressurized flow of refrigerant to the condensing unit; and
transferring heat from the pressurized flow of refrigerant to the second supply airflow as the second supply airflow passes through the condensing unit to generate a second output airflow.