Refrigeration – Automatic control – Refrigeration producer
Patent
1986-10-01
1987-09-29
Tapolcai, William E.
Refrigeration
Automatic control
Refrigeration producer
62513, 165145, F25B 4100
Patent
active
046961682
ABSTRACT:
An air conditioning or refrigeration system having a subcooler (18) for subcooling liquid or hot gaseous refrigerant before the refrigerant is supplied to a heat exchanger, such as an evaporator (24) or a condenser (14). The refrigerant subcooler or precooler (18, 18A, 18B) utilized in the method and apparatus of the refrigeration system has an inner cylindrical housing (38, 38A) positioned in concentric relation to an outer cylindrical housing (48, 48A) and forming an annulus (53, 53A) therebetween. A small portion of refrigerant is diverted from the main body of refrigerant at the subcooler (18, 18A) and is passed through an expanison valve (32, 32A) for vaporizing upon entering the subcooler (18, 18A). The diverted vaporized refrigerant passes in heat exchange relation to the refrigerant in the inner housing in two complete passes or laps by first moving along the length of the subcooler (18, 18A, 18B) in one direction, and then reversing its flow path and moving in a reverse direction of travel along the length of the subcooler (18, 18 A, 18B) along the annulus (53, 53A) between the inner housing (38, 38A) and the outer housing (48, 48A).
REFERENCES:
patent: 2051971 (1936-08-01), Swart
patent: 2388556 (1945-11-01), Lathrop
patent: 2990698 (1961-07-01), Grotser
patent: 3316961 (1967-05-01), Dorner
patent: 4316366 (1982-02-01), Manning
patent: 4440217 (1984-04-01), Stieler
patent: 4577468 (1986-03-01), Nunn, Jr. et al.
Woods Donald R.
Woods Helga S.
Rasbach Roger
Tapolcai William E.
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