JPS5666341A - Production of heat exchanger - Google Patents
Production of heat exchangerInfo
- Publication number
- JPS5666341A JPS5666341A JP14086379A JP14086379A JPS5666341A JP S5666341 A JPS5666341 A JP S5666341A JP 14086379 A JP14086379 A JP 14086379A JP 14086379 A JP14086379 A JP 14086379A JP S5666341 A JPS5666341 A JP S5666341A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- tube expanding
- heat exchange
- heat exchanger
- hairpin
- 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
- Metal Extraction Processes (AREA)
Abstract
PURPOSE: To produce a heat exchanger of superior heat exchange characteristic at a low cost by inserting a tube expanding body having unevenness on the surface into a heat exchange tube while revolving the same thereby performing grooving of the tube inside surface and tube expanding simultaneously.
CONSTITUTION: A hairpin tube 2 is inserted into the holes 3a of plate type fine 3, to form a heat exchange body 1. The tube expanding bar 4 mounted with a tube expanding body 5 is gradually moved to expand the hairpin tube 2 and adhere and fix the same to the fins 3. At this time, the grooves 6 formed to the tube expanding body 5 are formed obliquely to the shaft of the tube expanding bar 4, hence rotating force is generated in the tube expanding body 5 according to the movement of the tube expanding bar 4, thus the tube expanding body 4 expands the tube while rotating. Hence, the grooves of the state inclined to the tube central shaft are simultaneously formed on the inside surface of the hairpin tube 2. The heat exchanger of high heat transfer efficiency and superior heat exchange characteristic is obtained by this method.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14086379A JPS5666341A (en) | 1979-10-31 | 1979-10-31 | Production of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14086379A JPS5666341A (en) | 1979-10-31 | 1979-10-31 | Production of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5666341A true JPS5666341A (en) | 1981-06-04 |
Family
ID=15278486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14086379A Pending JPS5666341A (en) | 1979-10-31 | 1979-10-31 | Production of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5666341A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982125A (en) * | 1982-09-29 | 1984-05-12 | キヤリア・コ−ポレイシヨン | Method and tool for diameter-expanding working and grooving pipe |
| JPS6152948A (en) * | 1984-08-23 | 1986-03-15 | Mitsubishi Heavy Ind Ltd | Manufacture of tube having inside groove |
| KR20190026480A (en) * | 2017-09-05 | 2019-03-13 | 한온시스템 주식회사 | Heat Exchanger |
-
1979
- 1979-10-31 JP JP14086379A patent/JPS5666341A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982125A (en) * | 1982-09-29 | 1984-05-12 | キヤリア・コ−ポレイシヨン | Method and tool for diameter-expanding working and grooving pipe |
| JPH0344851B2 (en) * | 1982-09-29 | 1991-07-09 | Carrier Corp | |
| JPS6152948A (en) * | 1984-08-23 | 1986-03-15 | Mitsubishi Heavy Ind Ltd | Manufacture of tube having inside groove |
| KR20190026480A (en) * | 2017-09-05 | 2019-03-13 | 한온시스템 주식회사 | Heat Exchanger |
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