JPS6378863U

JPS6378863U -

Info

Publication number: JPS6378863U
Application number: JP17240686U
Authority: JP
Priority date: 1986-11-10
Filing date: 1986-11-10
Publication date: 1988-05-25

Description

[Brief explanation of drawings]

第１図は本考案によるガスサイクル冷凍機の原
理図、第２図は第１図の具体的な構成を示す断面
図、第３図は第１図、第２図のガスサイクル冷凍
機の冷凍サイクル図、第４図及び第５図は第１図
、第２図の圧力―体積線図、第６図は従来のガス
サイクル冷凍機の原理図、第７図は第６図の具体
的な断面図、第８図は第６図、第７図のガスサイ
クル冷凍機の冷凍サイクル図である。１……圧縮機、４……ロータリーバルブ、１４
……上部空間（第一室）、１０，３０……デイス
プレーサ、４０……下部空間（第四室）、４１…
…ピストン、４３，４５……給排気通路、４４，
４６……流量調節機構（流量制御装置）、５２…
…ハウジング。 Figure 1 is a principle diagram of the gas cycle refrigerator according to the present invention, Figure 2 is a sectional view showing the specific configuration of Figure 1, and Figure 3 is the refrigeration of the gas cycle refrigerator of Figures 1 and 2. Cycle diagrams, Figures 4 and 5 are pressure-volume diagrams of Figures 1 and 2, Figure 6 is a principle diagram of a conventional gas cycle refrigerator, and Figure 7 is a concrete diagram of Figure 6. The sectional view, FIG. 8, is a refrigeration cycle diagram of the gas cycle refrigerator shown in FIGS. 6 and 7. 1...Compressor, 4...Rotary valve, 14
...Upper space (first chamber), 10, 30...Displacer, 40...Lower space (fourth chamber), 41...
... Piston, 43, 45 ... Supply and exhaust passage, 44,
46...Flow rate adjustment mechanism (flow rate control device), 52...
…housing.

Claims

[Scope of utility model registration request]

Displacer 1 reciprocating within cylinder 52
In a gas cycle refrigerator equipped with a gas-driven single-rod type piston 41 connected to drive the piston 41, an upper space (first chamber) 14 and a lower space (fourth chamber) are provided above and below the piston 41. 40, and the upper space 14 is connected to the rotary valve 4 for supply/exhaust control via a supply/exhaust passage 43 provided with a flow rate adjustment mechanism 44 in the middle, and the lower space 40 is connected to the rotary valve 4 for air supply/exhaust control through a supply/exhaust passage 43 provided with a flow rate adjustment mechanism 46 in the middle thereof. A gas cycle refrigerator characterized in that it is connected to a low pressure passage (suction side) of a refrigerant gas compressor via an air supply/exhaust passage 45 provided with.