JPH0277649U - - Google Patents

Info

Publication number
JPH0277649U
JPH0277649U JP15639488U JP15639488U JPH0277649U JP H0277649 U JPH0277649 U JP H0277649U JP 15639488 U JP15639488 U JP 15639488U JP 15639488 U JP15639488 U JP 15639488U JP H0277649 U JPH0277649 U JP H0277649U
Authority
JP
Japan
Prior art keywords
tube
leak detection
protrusions
outer tube
inner tube
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
Application number
JP15639488U
Other languages
Japanese (ja)
Other versions
JP2511854Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988156394U priority Critical patent/JP2511854Y2/en
Publication of JPH0277649U publication Critical patent/JPH0277649U/ja
Application granted granted Critical
Publication of JP2511854Y2 publication Critical patent/JP2511854Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案一実施例の漏洩検知管の正面図
、第2図はその―断面図、第3図は実施例の
漏洩検知管を熱交換器に適用した場合の部分構成
図、第4図は実施例の漏洩検知管の端面図、第5
図は漏洩検知管の他の実施例を示す説明図、第6
図Aは従来の漏洩検知管の正面図、Bはその―
断面図、Cはそれを熱交換器に適用した場合の
部分構成図である。 1……漏洩検知管、3……外管、3b……突条
、3c……漏洩検知路、3d……突条上面、5…
…内管、6,15……間隙部。
Fig. 1 is a front view of a leak detection tube according to an embodiment of the present invention, Fig. 2 is a sectional view thereof, Fig. 3 is a partial configuration diagram when the leak detection tube of the embodiment is applied to a heat exchanger, Figure 4 is an end view of the leakage detection tube of the embodiment, and Figure 5 is
Figure 6 is an explanatory diagram showing another embodiment of the leakage detection tube.
Figure A is a front view of a conventional leak detection tube, and Figure B is its -
Cross-sectional view C is a partial configuration diagram when it is applied to a heat exchanger. 1... Leak detection tube, 3... Outer tube, 3b... Projection, 3c... Leak detection path, 3d... Projection top surface, 5...
...Inner pipe, 6,15...Gap part.

Claims (1)

【実用新案登録請求の範囲】 外管とこの外管内部に嵌入されて一体とされる
内管とからなり、外管の内面または内管の外面に
、管軸方向に延びる複数の突条を管周方向に間隔
をおいて設けることにより、外管内面、内管外面
及び突条に囲まれた複数の漏洩検知路を形成して
なる漏洩検知管であつて、 突条の一部を外管内面または内管外面と非接触
にすることにより漏洩検知路同士を相互に連絡す
るよう構成したことを特徴とする漏洩検知管。
[Claims for Utility Model Registration] Consisting of an outer tube and an inner tube that is fitted into the outer tube and integrated, a plurality of protrusions extending in the tube axis direction are provided on the inner surface of the outer tube or the outer surface of the inner tube. A leak detection tube that forms a plurality of leak detection paths surrounded by the inner surface of the outer tube, the outer surface of the inner tube, and the protrusions by providing them at intervals in the pipe circumferential direction, with some of the protrusions being outside. A leak detection tube characterized in that the leak detection paths are configured to communicate with each other by making them non-contact with the inner surface of the tube or the outer surface of the inner tube.
JP1988156394U 1988-11-30 1988-11-30 Leakage detector tube Expired - Lifetime JP2511854Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988156394U JP2511854Y2 (en) 1988-11-30 1988-11-30 Leakage detector tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988156394U JP2511854Y2 (en) 1988-11-30 1988-11-30 Leakage detector tube

Publications (2)

Publication Number Publication Date
JPH0277649U true JPH0277649U (en) 1990-06-14
JP2511854Y2 JP2511854Y2 (en) 1996-09-25

Family

ID=31434894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988156394U Expired - Lifetime JP2511854Y2 (en) 1988-11-30 1988-11-30 Leakage detector tube

Country Status (1)

Country Link
JP (1) JP2511854Y2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03137534A (en) * 1989-10-23 1991-06-12 Takuma Co Ltd Heat transfer pipe and leak detecting system using this pipe
JPH0556515U (en) * 1991-12-27 1993-07-27 臼井国際産業株式会社 Car heating system
JP2006046846A (en) * 2004-08-06 2006-02-16 Matsumoto Jukogyo Kk Double pipe heat exchanger
JP2006162238A (en) * 2004-11-09 2006-06-22 Denso Corp Double wall tube
JP2011007486A (en) * 2009-06-02 2011-01-13 Valeo Systemes Thermiques Heat exchange unit, heat exchanger, and method of manufacturing heat exchange unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60240988A (en) * 1984-05-04 1985-11-29 ノヴアトーム Double wall pipe for heat exchanger using two fluid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60240988A (en) * 1984-05-04 1985-11-29 ノヴアトーム Double wall pipe for heat exchanger using two fluid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03137534A (en) * 1989-10-23 1991-06-12 Takuma Co Ltd Heat transfer pipe and leak detecting system using this pipe
JPH0556515U (en) * 1991-12-27 1993-07-27 臼井国際産業株式会社 Car heating system
JP2006046846A (en) * 2004-08-06 2006-02-16 Matsumoto Jukogyo Kk Double pipe heat exchanger
JP2006162238A (en) * 2004-11-09 2006-06-22 Denso Corp Double wall tube
JP2011007486A (en) * 2009-06-02 2011-01-13 Valeo Systemes Thermiques Heat exchange unit, heat exchanger, and method of manufacturing heat exchange unit

Also Published As

Publication number Publication date
JP2511854Y2 (en) 1996-09-25

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