JPS6161470U - - Google Patents
Info
- Publication number
- JPS6161470U JPS6161470U JP14705584U JP14705584U JPS6161470U JP S6161470 U JPS6161470 U JP S6161470U JP 14705584 U JP14705584 U JP 14705584U JP 14705584 U JP14705584 U JP 14705584U JP S6161470 U JPS6161470 U JP S6161470U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- needle
- tip
- conical
- motor
- 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
- 239000000843 powder Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案に係る粉体供給装置の部分断面
図、第２図は第１図の装置におけるニードル先端
部の拡大斜視図、第３図は他の実施例によるニー
ドル先端部の拡大斜視図、第４図は更に他の実施
例によるニードルの形状斜視図、第５図はレーザ
ドツプラ流速計装置の全体概略図、第６図は二方
向からのレーザビームが重なる測定体積を示す図
、第７図は従来例の粉体供給装置としての粒子混
入器である。
１…粉体供給装置、２…粉体粒子、３…流通路
、５…シリンダ、５ｄ…内周テーパ面、５ｅ…開
口、６…モータ、７…ニードル、１０…円錐部分
、１８…溝。
FIG. 1 is a partial sectional view of a powder feeding device according to the present invention, FIG. 2 is an enlarged perspective view of the needle tip in the device shown in FIG. 1, and FIG. 3 is an enlarged perspective view of the needle tip according to another embodiment. 4 is a perspective view of the shape of a needle according to another embodiment, FIG. 5 is an overall schematic diagram of a laser Doppler current meter device, FIG. 6 is a diagram showing a measurement volume where laser beams from two directions overlap, and FIG. FIG. 7 shows a particle mixer as a conventional powder supply device. DESCRIPTION OF SYMBOLS 1... Powder supply device, 2... Powder particle, 3... Flow path, 5... Cylinder, 5d... Inner peripheral tapered surface, 5e... Opening, 6... Motor, 7... Needle, 10... Conical part, 18... Groove.
Claims (1)
るシリンダと、 先端部に円錐状部分を有し、前記シリンダに回
転自在に嵌挿したニードルと、 該ニードルをシリンダ中で回転駆動するモータ
と、 を備え、前記シリンダの内周面の先端部は、円錐
状に縮径されて、前記流通路に開口しており、前
記ニードルとシリンダ間又はニードル自体に、前
記ニードルの基端から先端部へ粉体粒子を供給す
るための通路を設け、ニードルの円錐状部分は前
記シリンダの内周テーパ面に当接し、かつその表
面に前記シリンダの前記開口に通じる溝を有して
いることを特徴とするレーザドツプラ流速計用粉
体供給装置。[Claims for Utility Model Registration] A cylinder connected to an air flow path for conveying powder particles, a needle having a conical portion at its tip and rotatably inserted into the cylinder, and the needle. a motor that rotates and drives the cylinder in a cylinder, the tip of the inner circumferential surface of the cylinder is reduced in diameter into a conical shape and opens into the flow passage, and a motor is provided between the needle and the cylinder or between the needle itself. , a passage for supplying powder particles from the proximal end to the distal end of the needle is provided, the conical part of the needle is in contact with the inner circumferential tapered surface of the cylinder, and the conical part of the needle is in contact with the opening of the cylinder. A powder supply device for a laser Doppler current meter characterized by having a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14705584U JPS6161470U (en) | 1984-09-28 | 1984-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14705584U JPS6161470U (en) | 1984-09-28 | 1984-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6161470U true JPS6161470U (en) | 1986-04-25 |
Family
ID=30705294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14705584U Pending JPS6161470U (en) | 1984-09-28 | 1984-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6161470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04348281A (en) * | 1991-03-01 | 1992-12-03 | Osaka Gas Co Ltd | Measuring method of flow of gas |
-
1984
- 1984-09-28 JP JP14705584U patent/JPS6161470U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04348281A (en) * | 1991-03-01 | 1992-12-03 | Osaka Gas Co Ltd | Measuring method of flow of gas |
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