RU37547U1 - HEAT EXCHANGE PIPE - Google Patents
HEAT EXCHANGE PIPEInfo
- Publication number
- RU37547U1 RU37547U1 RU2003135353/20U RU2003135353U RU37547U1 RU 37547 U1 RU37547 U1 RU 37547U1 RU 2003135353/20 U RU2003135353/20 U RU 2003135353/20U RU 2003135353 U RU2003135353 U RU 2003135353U RU 37547 U1 RU37547 U1 RU 37547U1
- Authority
- RU
- Russia
- Prior art keywords
- pipe
- grooves
- heat exchange
- determined
- outer diameter
- Prior art date
Links
Landscapes
- Metal Extraction Processes (AREA)
Abstract
Теплообменная труба, имеющая наклонные канавки на наружной поверхности и соответствующие им выступы на внутренней поверхности трубы, размеры которых определены по толщине стенки трубы и наружному диаметру гладких участков трубы, отличающаяся тем, что канавки выполнены спиралевидными, угол наклона α канавок к плоскости, перпендикулярной оси трубы, выполнен в пределах 14°÷21°, а радиус накатки R и высоту выступов канавки h определяют из соотношенийR=(2÷3)t;h=(0,02-0,03)D,где t- толщина стенки трубы;D - наружный диаметр гладких участков трубы.A heat exchange pipe having inclined grooves on the outer surface and corresponding protrusions on the inner surface of the pipe, the dimensions of which are determined by the thickness of the pipe wall and the outer diameter of the smooth sections of the pipe, characterized in that the grooves are helical, the angle of inclination α of the grooves to a plane perpendicular to the axis of the pipe , made within 14 ° ÷ 21 °, and the rolling radius R and the height of the protrusions of the groove h are determined from the relations R = (2 ÷ 3) t; h = (0,02-0,03) D, where t is the pipe wall thickness; D is the outer diameter of the smooth sections of the pipe.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2003135353/20U RU37547U1 (en) | 2003-12-15 | 2003-12-15 | HEAT EXCHANGE PIPE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2003135353/20U RU37547U1 (en) | 2003-12-15 | 2003-12-15 | HEAT EXCHANGE PIPE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU37547U1 true RU37547U1 (en) | 2004-04-27 |
Family
ID=48287510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2003135353/20U RU37547U1 (en) | 2003-12-15 | 2003-12-15 | HEAT EXCHANGE PIPE |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU37547U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2496072C1 (en) * | 2012-05-17 | 2013-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat exchange pipe |
-
2003
- 2003-12-15 RU RU2003135353/20U patent/RU37547U1/en active Protection Beyond IP Right Term
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2496072C1 (en) * | 2012-05-17 | 2013-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat exchange pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ND1K | Extending utility model patent duration |
Extension date: 20161215 |