Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1974-10-29
1976-04-06
O'Dea, William
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
165 86, F25B 300
Patent
active
039480615
ABSTRACT:
A centrifugal refrigeration unit which comprises a rotatable shaft carrying two spiral tubular assemblies, one on each end. Each assembly comprises two spiral tubes. At one end the assembly acts as a condenser, and at the other end as an evaporator. Means are provided for directing separate streams of air across the condenser and evaporator assemblies. Numbering the spirals from the condenser end as first, second, third and fourth, and considering the rotation of the shaft clockwise as seen from the condenser end, the first spiral expands outwardly from the shaft in a counterclockwise direction. The second spiral expands outwardly from the shaft in a clockwise direction. The third expands in a counterclockwise direction, and the fourth expands in a clockwise direction. The shaft is hollow and the small ends of the first and fourth spirals are connected through the hollow shaft. The small ends of the second and third spirals are connected by a capillary tube which is used to provide a pressure drop in the flow of liquid refrigerant from the second to the third spirals. The outer ends of the first and second spirals are connected together and the outer ends of the third and fourth spirals are connected together and the tubing system is filled with refrigerant.
REFERENCES:
patent: 2811841 (1957-11-01), Grimshaw
patent: 3098602 (1963-07-01), Torluemke
patent: 3189262 (1965-06-01), Hanson et al.
patent: 3397739 (1968-08-01), Miller
Capossela Ronald C.
Head James R.
Jones Oscar
O'Dea William
Vest George B.
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