Heat pump charge optimizer

Refrigeration – Automatic control – Trapping and discharging refrigerant batches

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Details

62509, F25B 3904

Patent

active

045466165

ABSTRACT:
The optimum charge in the heating and cooling modes is achieved in a reversible heat pump system by providing a receiver in the indoor section which is sized to store an amount of refrigerant equal to the difference in the optimum charge in each mode. The amount of refrigerant in the receiver is varied in response to the ambient temperature whereby the refrigerant charge is optimized over a range of temperatures.

REFERENCES:
patent: 2581044 (1952-01-01), Ratcliff
patent: 2589384 (1952-03-01), Hopkins
patent: 2715317 (1955-08-01), Rhodes
patent: 2807940 (1957-10-01), Urban
patent: 3226938 (1966-01-01), Hanson
patent: 3301001 (1967-01-01), McKinney
patent: 3580005 (1971-05-01), Hale
patent: 3736763 (1973-06-01), Garland

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