| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a steam injector capable of ensuring a large discharge quantity despite small size and a heat pump device using the same.SOLUTION: A steam injector comprises a plurality of unit steam injectors each including an introduction part introducing a liquid flow of refrigerant and a steam flow of the refrigerant; a mixture part having a shape in which an internal cross-sectional area is reduced toward a forward direction of the liquid flow, mixing up the liquid flow in a jet state and the steam flow inside, and forming a refrigerant flow; a throat part formed on an output side of the mixture part; and a diffuser part having a shape in which an internal cross-sectional area increases from the throat part toward a forward direction of the refrigerant flow, and also comprises a liquid flow path and a steam flow path supplying the liquid flow and the steam flow of the refrigerant to the introduction part of each of the unit steam injectors.</p> |
