HEAT EXCHANGE APPARATUS AND HEAT PUMP APPARATUS

摘要

A heat exchange apparatus according to the present disclosure includes a refrigerant supply source, an ejector, an extractor, a first pump, a second pump, a cooler, and a liquid passage. The first pump is a dynamic pump and disposed on the liquid passage between the extractor and the cooler. The second pump is a positive displacement pump and disposed on the liquid passage between an outlet of the first pump and an inlet of refrigerant liquid of the ejector.

主权项

1. A heat exchange apparatus comprising:
a refrigerant supply source that supplies a refrigerant vapor, the refrigerant vapor being a refrigerant in a vapor phase; a cooler that cools a refrigerant liquid and that supplies the cooled refrigerant liquid, the refrigerant liquid being the refrigerant in a liquid phase; an ejector that produces a refrigerant mixed flow using the refrigerant vapor supplied from the refrigerant supply source and the cooled refrigerant liquid supplied from the cooler; an extractor that receives the refrigerant mixed flow from the ejector and extracts the refrigerant liquid from the refrigerant mixed flow; a liquid passage that constitutes a loop on which the extractor, the cooler and the ejector are disposed in this order and that circulates the refrigerant liquid flowing therein; a first pump that is a dynamic pump, that is disposed on the liquid passage between the an outlet of the extractor and an inlet of the cooler, and that pumps the liquid refrigerant from the extractor to the cooler; and a second pump that is a positive displacement pump and that is disposed on the liquid passage between an outlet of the first pump and an inlet of the ejector.