CPC F28D 7/1623 (2013.01) [F28F 1/24 (2013.01); F28F 13/12 (2013.01); F28D 2021/0068 (2013.01); F28F 2215/00 (2013.01); F28F 2250/00 (2013.01)] | 13 Claims |
1. A heat exchanger comprising:
a shell having an inlet and an outlet and forming a cavity;
wherein a first of a liquid refrigerant and a vapor refrigerant enters the inlet of the shell;
a coiled tube positioned within the cavity, the coiled tube connected to an inlet tube from outside the shell and an outlet tube to outside the shell;
wherein a second of the liquid refrigerant and the vapor refrigerant enters the inlet tube of the coiled tube;
a swirler arranged adjacent the inlet of the shell, the swirler being dimensioned to distribute the first of the liquid refrigerant and the vapor refrigerant across the coiled tube; and
wherein the swirler comprises a frustoconical cone, the frustoconical cone having a first diameter at a first end adjacent the inlet of the shell and a second diameter opposite the inlet of the shell, the first diameter being less than the second diameter.
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