JPH01178469U

JPH01178469U -

Info

Publication number: JPH01178469U
Application number: JP6852488U
Authority: JP
Priority date: 1988-05-24
Filing date: 1988-05-24
Publication date: 1989-12-20

Description

[Brief explanation of the drawing]

第１図ａは入口側回路に、ｂは中間回路に、ｃ
は出口側回路にそれぞれ属するチユーブエレメン
トのインナーリブの傾斜角度の変化状態を示す平
面図、第２図は冷媒出入口管のみを断面にて示す
蒸発器の全体正面図、第３図は冷媒流れを示す蒸
発器の模式的正面断面図、第４図、第５図、第６
図は第３図におけるそれぞれ―線、―線
、―線断面図、第７図はチユーブエレメント
を構成するコアプレートとフインを分離して示す
斜視図である。１，１Ａ，１Ｂ，１Ｃ…チユーブエレメント、
２…コルゲートフイン、５…冷媒通路、１０２…
インナーリブ、…入口側冷媒回路、…中間冷
媒回路、…出口側冷媒回路、Ｈ…冷媒流通方向
、θ_１，θ_２，θ_３…傾斜角度。 Figure 1 a is for the inlet side circuit, b is for the intermediate circuit, c
2 is a plan view showing changes in the inclination angle of the inner ribs of tube elements belonging to each outlet side circuit, FIG. 2 is an overall front view of the evaporator showing only the refrigerant inlet and outlet pipes in cross section, and FIG. Schematic front sectional views of the evaporator shown in FIGS. 4, 5, and 6.
The figures are sectional views taken along the lines --, --, and - in Fig. 3, respectively, and Fig. 7 is a perspective view showing the core plate and fins that constitute the tube element separated. 1, 1A, 1B, 1C...tube element,
2... Corrugated fin, 5... Refrigerant passage, 102...
Inner rib, ... inlet side refrigerant circuit, ... intermediate refrigerant circuit, ... outlet side refrigerant circuit, H ... refrigerant flow direction, θ ₁ , θ ₂ , θ ₃ ... inclination angle.

Claims

[Claims for Utility Model Registration] (1) A large number of inner ribs 10 having a refrigerant passage 5 inside and facing into the refrigerant passage for improving heat transfer efficiency.
A plurality of plate-shaped tube elements 1 having fins 2 protruding from the inner surface are laminated in the thickness direction with fins 2 interposed between them, and the refrigerant passages of each tube element are communicated with each other, so that the refrigerant inlet In a stacked evaporator in which a refrigerant circuit is formed from the refrigerant circuit to the outlet, the refrigerant circuit is divided into at least two circuits including an inlet side circuit and an outlet side circuit, and the tube element 1 belonging to each circuit is divided into two or more circuits including an inlet side circuit and an outlet side circuit. A stacked evaporator characterized in that the pressure loss of the refrigerant is gradually reduced from the refrigerant inlet side to the refrigerant outlet side by changing the shape or arrangement of the inner ribs 102 for each circuit. (2) The stacked evaporator according to claim 1, wherein the inclination angle of the inner ribs 102 with respect to the refrigerant flow direction H decreases for each circuit from the refrigerant inlet side to the outlet side.