JPH035091U - - Google Patents
Info
- Publication number
- JPH035091U JPH035091U JP5985189U JP5985189U JPH035091U JP H035091 U JPH035091 U JP H035091U JP 5985189 U JP5985189 U JP 5985189U JP 5985189 U JP5985189 U JP 5985189U JP H035091 U JPH035091 U JP H035091U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- length
- heat exchanger
- protective film
- pipe
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 235000014413 iron hydroxide Nutrition 0.000 claims 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims 1
Description
第１図は本考案の熱交換器用伝熱管の一例を示
す管直径方向断面図、第２図は同じくその管長手
方向断面図である。 １……管本体、２……保護皮膜。
す管直径方向断面図、第２図は同じくその管長手
方向断面図である。 １……管本体、２……保護皮膜。
Claims (1)
- 管内面に形成され管の長手方向に延びる帯状の
水酸化鉄を主成分とする耐食性保護皮膜を有し、
この保護皮膜の管内面の周方向における弧長が５
mm以上であつて全内周長の1/2以下であることを
特徴とする熱交換器用伝熱管。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5985189U JPH073183Y2 (ja) | 1989-05-24 | 1989-05-24 | 熱交換器用伝熱管 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5985189U JPH073183Y2 (ja) | 1989-05-24 | 1989-05-24 | 熱交換器用伝熱管 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH035091U true JPH035091U (ja) | 1991-01-18 |
| JPH073183Y2 JPH073183Y2 (ja) | 1995-01-30 |
Family
ID=31586712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5985189U Expired - Lifetime JPH073183Y2 (ja) | 1989-05-24 | 1989-05-24 | 熱交換器用伝熱管 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073183Y2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032338A (ja) * | 2006-07-31 | 2008-02-14 | Toyotomi Co Ltd | 電気パネル暖房機 |
-
1989
- 1989-05-24 JP JP5985189U patent/JPH073183Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032338A (ja) * | 2006-07-31 | 2008-02-14 | Toyotomi Co Ltd | 電気パネル暖房機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073183Y2 (ja) | 1995-01-30 |