JPS6392241U - - Google Patents
Info
- Publication number
- JPS6392241U JPS6392241U JP18744986U JP18744986U JPS6392241U JP S6392241 U JPS6392241 U JP S6392241U JP 18744986 U JP18744986 U JP 18744986U JP 18744986 U JP18744986 U JP 18744986U JP S6392241 U JPS6392241 U JP S6392241U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- attached
- fuel
- detection
- moisture
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Description
第１図は本考案に係る水分検出装置の一実施例
を示す断面図、第２図は同実施例における検出部
の保持板への取付状態を示す平面図、第３図〜第
５図は同実施例における検出部としての光フアイ
バー内の光伝搬形態、検出部構造を示す断面図、
第６図は燃料タンク内の水分蓄積状態を示す断面
図である。
１……燃料タンク、２……燃料、４……水分、
５……光フアイバー、５ａ……コア、５ｂ……ク
ラツド、６……フアイバー保持板、７……発光部
、８……受光部、Ｄ……検出面。
FIG. 1 is a cross-sectional view showing an embodiment of the moisture detection device according to the present invention, FIG. 2 is a plan view showing how the detection section is attached to the holding plate in the same embodiment, and FIGS. 3 to 5 are A sectional view showing the light propagation form in the optical fiber as the detection unit and the structure of the detection unit in the same example,
FIG. 6 is a sectional view showing the state of moisture accumulation in the fuel tank. 1...Fuel tank, 2...Fuel, 4...Moisture,
5... Optical fiber, 5a... Core, 5b... Clad, 6... Fiber holding plate, 7... Light emitting section, 8... Light receiving section, D... Detection surface.
Claims (1)
なる光フアイバーの中間部のクラツドを所定量研
削して検出面とし、この光フアイバーの一端に発
光部、他端に受光部をそれぞれ取付けるとともに
、前記検出面の部分を水分検出対象である燃料タ
ンクの底面に設置するようにしたことを特徴とす
る水分検出装置。 The intermediate cladding of an optical fiber made of a material with a refractive index between that of water and fuel is ground by a predetermined amount to serve as a detection surface, and a light emitting section is attached to one end of the optical fiber and a light receiving section is attached to the other end. . A moisture detection device, characterized in that the detection surface portion is installed on the bottom surface of a fuel tank that is a moisture detection target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18744986U JPS6392241U (en) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18744986U JPS6392241U (en) | 1986-12-05 | 1986-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392241U true JPS6392241U (en) | 1988-06-15 |
Family
ID=31137938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18744986U Pending JPS6392241U (en) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013504052A (en) * | 2009-09-04 | 2013-02-04 | アストン ユニバーシティ | Moisture sensor in fuel |
-
1986
- 1986-12-05 JP JP18744986U patent/JPS6392241U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013504052A (en) * | 2009-09-04 | 2013-02-04 | アストン ユニバーシティ | Moisture sensor in fuel |
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