Refrigeration – Means producing shaped or modified congealed product – With raw material projector – e.g. – spray
Patent
1991-01-25
1992-03-31
Tapolcai, William E.
Refrigeration
Means producing shaped or modified congealed product
With raw material projector, e.g., spray
62352, 165160, 165162, F25C 510
Patent
active
050996568
ABSTRACT:
A refrigeration evaporator comprising an enclosure having a closed top and bottom, enclosing a separator plate, lower baffle, and an upper baffle in the enclosure and spaced from one another to define a hot gas chamber, a refrigerant inlet area, a freezing chamber and a refrigerant outlet area. The evaporator is adapted to be connected to a refrigeration circuit having a freezing cycle and a harvest cycle wherein cold liquid refrigerant is directed into the freezing chamber during the freezing cycle, but prevented from entering the hot gas chamber; and hot gas is directed into the hot gas chamber and then into the freezing chamber during the harvest cycle. Water pipes extend vertically through the evaporator and through holes in the upper and lower baffles. The holes in the baffles are larger than the water pipes to provide a flow path around the water pipes for refrigerant, and the holes in the upper baffle are larger than the holes through the lower baffle thereby providing a larger cross sectional area flow path thereby decreasing the pressure drop of the refrigerant flowing through the freezing chamber. Filler rods are placed between the water pipes partially filling the space to provide more heat transfer area and to reduce the volume of refrigerant in the system.
REFERENCES:
patent: 2618129 (1952-11-01), Williams
patent: 2721452 (1955-10-01), Brandin et al.
patent: 2956787 (1960-10-01), Raub
patent: 3206545 (1965-09-01), Nelson et al.
patent: 3280585 (1966-10-01), Lowe
patent: 4378680 (1983-04-01), Garland
Lovercheck Charles L.
Lovercheck Wayne L.
Tapolcai William E.
Uniflow Manufacturing Company
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