JPS59172356U - Laser current meter light receiving device - Google Patents
Laser current meter light receiving deviceInfo
- Publication number
- JPS59172356U JPS59172356U JP6665483U JP6665483U JPS59172356U JP S59172356 U JPS59172356 U JP S59172356U JP 6665483 U JP6665483 U JP 6665483U JP 6665483 U JP6665483 U JP 6665483U JP S59172356 U JPS59172356 U JP S59172356U
- Authority
- JP
- Japan
- Prior art keywords
- light
- rod
- shaped body
- light receiving
- current meter
- 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
Landscapes
- Testing Of Engines (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る受光装置を用いたレーザ流速計に
よりエンジンの燃焼室内の吸気の流速を測定する状況を
示した撒略側断面図、第２図は本考案受光装置の一実施
例を示す断面図、第３図は第２図に示した受光装置の先
端部分を拡大して示した断面図である。
１０・・・シリンダ、１２・・・シリンダヘッド、１４
・・・ピストン、２０・・・受光装置、２２・・・レー
ザ装置、３０・・・棒状体、３２・・・受光レンズ、３
４・・・偏向装置、３６・・・グラスファイバ束、３８
・・・計測装置。Fig. 1 is a side sectional view showing a situation in which the flow velocity of intake air in the combustion chamber of an engine is measured by a laser current meter using the light receiving device according to the present invention, and Fig. 2 is an embodiment of the light receiving device according to the present invention. FIG. 3 is an enlarged cross-sectional view of the tip portion of the light receiving device shown in FIG. 2. 10... Cylinder, 12... Cylinder head, 14
... Piston, 20... Light receiving device, 22... Laser device, 30... Rod-shaped body, 32... Light receiving lens, 3
4... Deflection device, 36... Glass fiber bundle, 38
...Measuring device.
Claims (1)
の先端部分に、その軸線に対し実質的に直交する光軸を
有するように装着された受光レンズ、上記受光レンズに
隣接して配設され、同レンズを通過した光を実質的に棒
状体の軸線方向に偏向させるプリズム、反射鏡等の偏向
装置、及び上記棒状体内に略同心的に収容されてその一
端を上記偏向装置に対向せしめられ、他端を外部の計測
装置に連結されたグラスファイバ束を具えてなることを
特徴とするレーザ流速計の受光装置。A rod-shaped body inserted directly into the combustion chamber of the engine; a light-receiving lens attached to the tip of the rod-shaped body so as to have an optical axis substantially perpendicular to the axis thereof; and a light-receiving lens disposed adjacent to the light-receiving lens. and a deflection device such as a prism or a reflector that deflects the light that has passed through the lens substantially in the axial direction of the rod-shaped body, and a deflection device such as a prism or a reflector, which is housed approximately concentrically within the rod-shaped body and has one end facing the deflection device. 1. A light-receiving device for a laser current meter, characterized in that it comprises a glass fiber bundle, the other end of which is connected to an external measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6665483U JPS59172356U (en) | 1983-05-02 | 1983-05-02 | Laser current meter light receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6665483U JPS59172356U (en) | 1983-05-02 | 1983-05-02 | Laser current meter light receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59172356U true JPS59172356U (en) | 1984-11-17 |
Family
ID=30196859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6665483U Pending JPS59172356U (en) | 1983-05-02 | 1983-05-02 | Laser current meter light receiving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59172356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183885A (en) * | 1997-09-08 | 1999-03-26 | Takeshi Nakajima | Optical-fiber laser doppler velocimeter and its optical parameter determining method |
-
1983
- 1983-05-02 JP JP6665483U patent/JPS59172356U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183885A (en) * | 1997-09-08 | 1999-03-26 | Takeshi Nakajima | Optical-fiber laser doppler velocimeter and its optical parameter determining method |
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