Refrigeration – Processes – Circulating external gas
Patent
1989-09-15
1990-10-30
Wayner, William E.
Refrigeration
Processes
Circulating external gas
62183, 62216, F25B 4104
Patent
active
049660063
ABSTRACT:
The refrigeration plant disclosed herein includes an evaporator, a compressor connected to the outlet of the evaporator, a condenser connected to the outlet of the compressor, a controllable expansion valve connected to the outlet of the condenser and having its outlet connected to the evaporator and condenser pressure controls for providing at the least possible condenser pressure, the degree of opening of the expansion valve to obtain an optimum ratio between the condenser pressure and the evaporator evaporator performance. That is, the degree of opening of the expansion valve lies in a range giving the least possible condenser pressure.
REFERENCES:
patent: 2787130 (1957-04-01), Kaufman
patent: 4590772 (1986-05-01), Nose et al.
Gollnow Klaus
Thuesen Sven E.
Danfoss A/S
Easton Wayne B.
Johnson Clayton R.
Wayner William E.
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