JPH0425981U - - Google Patents
Info
- Publication number
- JPH0425981U JPH0425981U JP5915890U JP5915890U JPH0425981U JP H0425981 U JPH0425981 U JP H0425981U JP 5915890 U JP5915890 U JP 5915890U JP 5915890 U JP5915890 U JP 5915890U JP H0425981 U JPH0425981 U JP H0425981U
- Authority
- JP
- Japan
- Prior art keywords
- recesses
- tube
- heat exchanger
- longitudinal direction
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
第１図は本考案の一実施例を示す側断面図、第
２図は長手方向に直交する断面図、第３図は作用
を説明する側断面図、第４図ないし第６図は本考
案のそれぞれ異なる実施例を示す第２図に相当す
る図面、第７図は従来のチユーブを示す第３図に
相当する図面である。
１，１ａ〜１ｃ……熱交換器用チユーブ、３，
３ａ〜３ｃ……突部、５，５ａ〜５ｃ……凹部。
Fig. 1 is a side sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view perpendicular to the longitudinal direction, Fig. 3 is a side sectional view explaining the operation, and Figs. 4 to 6 are the present invention. FIG. 7 is a drawing corresponding to FIG. 3 showing a conventional tube. 1, 1a to 1c...tube for heat exchanger, 3,
3a to 3c... protrusions, 5, 5a to 5c... recesses.
Claims (1)
複数の凹部を備え、該凹部が長手方向にスパライ
ル状に形成されていることを特徴とする熱交換器
用チユーブ。 1. A tube for a heat exchanger, comprising a plurality of recesses formed on an inner surface by radially outward protrusions, and the recesses are formed in a spiral shape in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5915890U JPH0425981U (en) | 1990-06-06 | 1990-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5915890U JPH0425981U (en) | 1990-06-06 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0425981U true JPH0425981U (en) | 1992-03-02 |
Family
ID=31585410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5915890U Pending JPH0425981U (en) | 1990-06-06 | 1990-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425981U (en) |
-
1990
- 1990-06-06 JP JP5915890U patent/JPH0425981U/ja active Pending