JPS614194U

JPS614194U - Heat exchanger

Info

Publication number: JPS614194U
Application number: JP8628384U
Authority: JP
Inventors: 敏雄河村
Original assignee: カルソニックカンセイ株式会社
Priority date: 1984-06-11
Filing date: 1984-06-11
Publication date: 1986-01-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案に係る熱交換器の一実施例の要部平面図
、第２図は第１図のＡ−Ａ拡大断面図、第３図は第１図
のＢ−Ｂ拡大断面図、第４図は従来の熱交換器の要部平
面図、第５図は第４図のＡ−Ａ拡大断面図、第６図は第
４図のＢ−Ｂ拡犬断面図、第７図は従来の別の熱交換器
に於ける第４図のＡ−Ａに相当する拡大断面図である。１・・・・・・座板、３・・・・・・チューブ取付孔、
４・・曲チューブ。Fig. 1 is a plan view of essential parts of an embodiment of the heat exchanger according to the present invention, Fig. 2 is an enlarged cross-sectional view taken along line AA in Fig. 1, and Fig. 3 is an enlarged cross-sectional view taken along line B-B in Fig. 1. , FIG. 4 is a plan view of essential parts of a conventional heat exchanger, FIG. 5 is an enlarged cross-sectional view taken along line A-A in FIG. 4, FIG. 6 is an enlarged cross-sectional view taken along line B-B in FIG. 4, and FIG. 4 is an enlarged sectional view corresponding to the line A-A in FIG. 4 of another conventional heat exchanger. 1... Seat plate, 3... Tube mounting hole,
4. Curved tube.

Claims

[Scope of utility model registration request]

(1) In a heat exchanger in which a tube mounting hole is drilled in the seat plate, and a tube is inserted into the mounting hole and brazed, the tube mounting hole has a trapezoidal cross section with an arbitrary inclination angle. A heat exchanger characterized by:

(2) The heat exchanger according to claim 1, wherein the tube attachment hole, which has a trapezoidal cross section with an arbitrary inclination angle, is a flat hole.

(3) The heat exchanger according to claim 1, wherein the tube attachment hole, which has a trapezoidal cross section with an arbitrary inclination angle, is a circular hole. {4} The heat exchanger according to any one of claims 1 to 3 of the utility model registration, wherein the arbitrary inclination angle of the hole having a trapezoidal cross section is 5° to 40°.