| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an open showcase capable of realizing high energy saving performance even when a wind velocity of air curtain is increased.SOLUTION: In an open showcase including a showcase body 101 having an opening face 9 facing an external space on its front face, and having an accommodation space 10 inside thereof, and forming air curtain at the opening face 9 by supplying cold air cooled by an evaporator 6 in a refrigerant circuit from a supply opening 12 formed on an upper edge portion of the opening face 9, and sucking the same from a suction port 13 formed on a lower edge portion of the opening face 9, the refrigerant circuit is constituted by successively connecting a low stage-side compressor 1, an auxiliary radiator 2, a high stage-side compressor 3, a high stage-side radiator 4, a pressure reducing device 5 and the evaporator 6, and a suction opening 16 for the ambient air exchanging heat with the auxiliary radiator 2 and the high stage-side radiator 4, is formed on a region at a vertical lower part with respect to the suction opening 13 of the front face.</p> |
