JPH0420965U

JPH0420965U -

Info

Publication number: JPH0420965U
Application number: JP6049890U
Authority: JP
Priority date: 1990-06-07
Filing date: 1990-06-07
Publication date: 1992-02-21

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による冷凍サイク
ルの構成図、第２図は第１図の冷凍サイクルの特
性を示すモリエル線図、第３図は従来の冷凍サイ
クルの構成図、第４図は第３図の冷凍サイクルの
特性を示すモリエル線図、第５図は第２の従来例
による冷凍サイクルの構成図、第６図は第５図の
冷凍サイクルの特性を示すモリエル線図、第７図
は第３の従来例による冷凍サイクルの構成図であ
る。１は圧縮機、３は凝縮器、４は減圧装置、７は
蒸発器、１１はガスポンプ、１３は第２の減圧装
置。なお、図中、同一符号は同一、または相当部
分を示す。 Fig. 1 is a block diagram of a refrigeration cycle according to an embodiment of this invention, Fig. 2 is a Mollier diagram showing the characteristics of the refrigeration cycle of Fig. 1, Fig. 3 is a block diagram of a conventional refrigeration cycle, and Fig. 4 is a Mollier diagram showing the characteristics of the refrigeration cycle shown in FIG. 3, FIG. 5 is a configuration diagram of the refrigeration cycle according to the second conventional example, and FIG. FIG. 7 is a configuration diagram of a refrigeration cycle according to a third conventional example. 1 is a compressor, 3 is a condenser, 4 is a pressure reducing device, 7 is an evaporator, 11 is a gas pump, and 13 is a second pressure reducing device. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In a refrigeration cycle configured by sequentially connecting a compressor, a condenser, a pressure reducing device, and an evaporator, a gas pump is connected between the compressor outlet and the condenser inlet, and a second gas pump is connected from the condenser outlet. A refrigeration cycle characterized in that a liquid bypass pipe is connected between the compressor discharge port and the gas pump via a pressure reducing device.