JPH01120640U - - Google Patents
Info
- Publication number
- JPH01120640U JPH01120640U JP1504688U JP1504688U JPH01120640U JP H01120640 U JPH01120640 U JP H01120640U JP 1504688 U JP1504688 U JP 1504688U JP 1504688 U JP1504688 U JP 1504688U JP H01120640 U JPH01120640 U JP H01120640U
- Authority
- JP
- Japan
- Prior art keywords
- capsule
- metal material
- shaft
- opening
- shaped metal
- 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
- 239000002775 capsule Substances 0.000 claims 5
- 239000007769 metal material Substances 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第１図はこの考案の基準タンクの実施例を示す
断面図、第２図は第１図のカラー３及びフイン４
の斜視図、第３図は第１図の基準タンクの容積と
フイン、カラー、コマの構成例を示す図、第４図
は内容積は同一であるがフインとカラーの積み重
ね順序を変えて内部の表面積を調節した例を示す
ためのこの考案の基準タンクの断面図、第５図Ａ
及びＢはそれぞれ第４図Ａ及びＢの基準タンクを
漏れ検査に使用した場合のタンク内部の空気温度
の変化特性を示す図、第６図はフインの上面に複
数のコマを載置して、内部の容積と表面積とを調
整した例を示すためのこの考案の基準タンクの断
面図、第７図は差圧検出式漏れ検査装置のブロツ
ク図、第８図は第７図の動作を説明するための波
形図、第９図は第７図の試料２０内部の空気温度
の変化特性を示す図である。
Fig. 1 is a sectional view showing an embodiment of the reference tank of this invention, and Fig. 2 is a sectional view showing the collar 3 and fin 4 of Fig. 1.
Fig. 3 is a diagram showing the volume of the standard tank shown in Fig. 1 and an example of the structure of the fins, collar, and frame. Fig. 4 is a diagram showing the internal volume of the standard tank shown in Fig. 1, but with the fins and collar stacked in different order. FIG. 5A is a sectional view of a reference tank of this invention to show an example of adjusting the surface area of
and B are diagrams showing the change characteristics of the air temperature inside the tank when the reference tanks of FIGS. 4 A and B are used for leakage inspection, respectively. A sectional view of a reference tank of this invention to show an example of adjusting the internal volume and surface area, FIG. 7 is a block diagram of a differential pressure detection type leak test device, and FIG. 8 explains the operation of FIG. 7. FIG. 9 is a diagram showing the change characteristics of the air temperature inside the sample 20 in FIG. 7.
Claims (1)
カプセルと、 そのカプセルの中心軸に沿つてカプセルの内端
面に植立てられた金属材料より成る軸棒と、 その軸棒に挿通された環状の金属材料より成る
複数のカラーと、 上記軸棒に挿通された中心孔をもつ円板状の金
属材料より成る複数のフインと、 上記カプセル内に空気圧を印加するためのポー
トが形成され、そのカプセルの開口を閉塞する円
板状の金属材料より成る蓋とを具備し、 上記フイン及びカラーの個数と上記軸棒に挿通
する順序を変更してタンク内部の容積と表面積と
を調整するようにしたことを特徴とする漏れ検査
装置用基準タンク。[Claims for Utility Model Registration] A capsule made of a cylindrical metal material with an opening at one end; a shaft rod made of a metal material planted on the inner end surface of the capsule along the central axis of the capsule; a plurality of collars made of an annular metal material inserted through the shaft; a plurality of fins made of a disk-shaped metal material having a center hole inserted through the shaft; A port is formed in the capsule, and a lid made of a disc-shaped metal material that closes the opening of the capsule is provided. A reference tank for a leak testing device, characterized in that the surface area is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1504688U JPH0442761Y2 (en) | 1988-02-05 | 1988-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1504688U JPH0442761Y2 (en) | 1988-02-05 | 1988-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120640U true JPH01120640U (en) | 1989-08-16 |
| JPH0442761Y2 JPH0442761Y2 (en) | 1992-10-09 |
Family
ID=31226758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1504688U Expired JPH0442761Y2 (en) | 1988-02-05 | 1988-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442761Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021021566A (en) * | 2019-07-24 | 2021-02-18 | 株式会社デンソー | Differential pressure leak test device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010266282A (en) * | 2009-05-13 | 2010-11-25 | Fukuda:Kk | Device and method for leakage test |
| JP5340802B2 (en) * | 2009-05-13 | 2013-11-13 | 株式会社フクダ | Leak test apparatus and method |
-
1988
- 1988-02-05 JP JP1504688U patent/JPH0442761Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021021566A (en) * | 2019-07-24 | 2021-02-18 | 株式会社デンソー | Differential pressure leak test device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442761Y2 (en) | 1992-10-09 |
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