JPS6455495A - Joint structure of double pipe for transporting high-heat fluid - Google Patents
Joint structure of double pipe for transporting high-heat fluidInfo
- Publication number
- JPS6455495A JPS6455495A JP20900387A JP20900387A JPS6455495A JP S6455495 A JPS6455495 A JP S6455495A JP 20900387 A JP20900387 A JP 20900387A JP 20900387 A JP20900387 A JP 20900387A JP S6455495 A JPS6455495 A JP S6455495A
- Authority
- JP
- Japan
- Prior art keywords
- annular member
- pipe
- pipes
- joint structure
- double 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
Landscapes
- Joints With Sleeves (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
PURPOSE: To prevent leak of pyrogenic fluid by pressing an outer annular member on the opposite metal outer pipes, engaging an inner annular member outward the opposite ceramic inner pipes and forming a space between the inner annular member and the end of the outer pipe. CONSTITUTION: A double-walled structure is formed by a ceramic inner pipe 22 and an outer pipe 23 relatively movably engaged with the inner pipe 22. Flanges 25, 25 are formed at the end portions of the outer pipes 23, 23, and pressed between the end surfaces thereof via an outer annular member 26. An inner annular member 30 is engaged outwardly with the end portions of the inner pipes 22, 22 in a tight way. The external diameter D1 thereof is smaller than the internal diameter D2 of the outer annular member 26, but larger than the internal diameter D3 of the outer pipe 23. A space δ is formed between the axial end of the inner annular member 30 and the opposite ends of the outer pipes 23, 23. As a result, it is possible to prevent leak of pyrogenic fluid in double ways, to compensate the heat expansion difference between the outer pipe and the inner pipe and prevent damaging the pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20900387A JPH0784918B2 (en) | 1987-08-21 | 1987-08-21 | Joint structure of double pipe for high temperature fluid transportation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20900387A JPH0784918B2 (en) | 1987-08-21 | 1987-08-21 | Joint structure of double pipe for high temperature fluid transportation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6455495A true JPS6455495A (en) | 1989-03-02 |
JPH0784918B2 JPH0784918B2 (en) | 1995-09-13 |
Family
ID=16565691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20900387A Expired - Lifetime JPH0784918B2 (en) | 1987-08-21 | 1987-08-21 | Joint structure of double pipe for high temperature fluid transportation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0784918B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010230045A (en) * | 2009-03-26 | 2010-10-14 | Mitsubishi Motors Corp | Double pipe joint structure |
-
1987
- 1987-08-21 JP JP20900387A patent/JPH0784918B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010230045A (en) * | 2009-03-26 | 2010-10-14 | Mitsubishi Motors Corp | Double pipe joint structure |
Also Published As
Publication number | Publication date |
---|---|
JPH0784918B2 (en) | 1995-09-13 |
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