JPS6441070U

JPS6441070U -

Info

Publication number: JPS6441070U
Application number: JP13014387U
Authority: JP
Priority date: 1987-08-28
Filing date: 1987-08-28
Publication date: 1989-03-10

Description

[Brief explanation of the drawing]

第１図は本考案の冷水シヨーケースの第１の実
施例を示す側断面図、第２図は第１図の要部及び
冷凍サイクルを示す概略図、第３図は本考案の冷
水シヨーケースの第２の実施例を示す側断面図、
第４図は制御回路を示す系統図、第５図は本考案
の冷水シヨーケースにおける冷凍サイクルの圧力
とエンタルピとの関係を示すグラフ、第６図は従
来の冷水シヨーケースの平面図、第７図は従来の
冷水シヨーケースの正面図、第８図は従来の冷水
シヨーケースの側面図である。図中、１３は貯蔵室、２２は膨張タービン、３
０は撹拌羽根である。 FIG. 1 is a side sectional view showing a first embodiment of the cold water show case of the present invention, FIG. 2 is a schematic diagram showing the main parts of FIG. A side sectional view showing the second embodiment,
Fig. 4 is a system diagram showing the control circuit, Fig. 5 is a graph showing the relationship between pressure and enthalpy in the refrigeration cycle in the chilled water show case of the present invention, Fig. 6 is a plan view of the conventional chilled water show case, and Fig. 7 is FIG. 8 is a front view of a conventional cold water show case, and FIG. 8 is a side view of a conventional cold water show case. In the figure, 13 is a storage chamber, 22 is an expansion turbine, 3
0 is a stirring blade.

Claims

[Scope of utility model registration request]

In a cooling case in which a compressor, a condenser, a pressure reduction means, and an evaporator are sequentially connected to form a refrigeration cycle, and the evaporator is provided in a storage chamber as a cooling means, at least a part of the pressure reduction means is provided in the refrigeration cycle. A cooling case comprising: an expansion turbine rotated by a refrigerant circulating through the storage chamber;