JPH0387071U

JPH0387071U -

Info

Publication number: JPH0387071U
Application number: JP14735689U
Authority: JP
Priority date: 1989-12-21
Filing date: 1989-12-21
Publication date: 1991-09-04
Anticipated expiration: 2004-06-29
Also published as: JPH0624675Y2

Description

[Brief explanation of the drawing]

第１図はこの考案に係る積層型熱交換器の分解
斜視図、第２図は同上における積層型熱交換器の
要部拡大斜視図、第３図は同上における積層型熱
交換器の要部拡大断面図、第４図は冷媒の流れを
示す説明図、第５図は接続孔の他の変形例を示す
断面図、第６図はこの考案の他の実施例を示す要
部拡大斜視図、第７図は同上における積層型熱交
換器の要部拡大断面図である。１……チユーブエレメント、２……フイン、３
，４……エンドプレート、１８ａ，１８ｂ……出
入口、２０……延出部、２１……出入口通路形成
用プレート、２２ａ，２２ｂ……接続孔、２３ａ
，２３ｂ……出入口通路用凹部、２７……膨張弁
。 Figure 1 is an exploded perspective view of the laminated heat exchanger according to this invention, Figure 2 is an enlarged perspective view of the main parts of the laminated heat exchanger in the same as above, and Figure 3 is the main parts of the laminated heat exchanger in the same as above. 4 is an explanatory diagram showing the flow of refrigerant, FIG. 5 is a sectional view showing another modification of the connection hole, and FIG. 6 is an enlarged perspective view of the main part showing another embodiment of this invention. , FIG. 7 is an enlarged cross-sectional view of the main parts of the laminated heat exchanger according to the above. 1...Tube element, 2...Fin, 3
, 4... End plate, 18a, 18b... Entrance/exit, 20... Extending portion, 21... Entrance/exit passage forming plate, 22a, 22b... Connection hole, 23a
, 23b... recess for entrance/exit passage, 27... expansion valve.

Claims

[Scope of utility model registration request]

A plurality of tube elements and fins are arranged in parallel in alternate stages, and end plates are provided at both ends, and a refrigerant inlet/outlet communicating with the tube element is formed in one of the end plates. forming an extension portion extending to the end plate, providing an entrance/exit passage forming plate on the surface of the end plate, and forming an entrance/exit passage between the end plate and the entrance/exit passage forming plate from the entrance/exit to the extending portion; A connecting hole connected to the expansion valve and facing the entrance/exit passage is provided in the extension part or the entrance/exit passage forming plate, and the expansion valve is attached to the extension part directly or via the entrance/exit passage forming plate. A laminated heat exchanger that is characterized by: