JPS6451904U - - Google Patents
Info
- Publication number
- JPS6451904U JPS6451904U JP14645387U JP14645387U JPS6451904U JP S6451904 U JPS6451904 U JP S6451904U JP 14645387 U JP14645387 U JP 14645387U JP 14645387 U JP14645387 U JP 14645387U JP S6451904 U JPS6451904 U JP S6451904U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- coated
- light emitting
- light receiving
- emitting element
- 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
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims 1
- 239000011368 organic material Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 229920005597 polymer membrane Polymers 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は、本考案を用いたフオト・エンコーダ
付真空用モータの一実施例を示す断面図、第２図
は光フアイバの構成を示す説明図である。
１ａ……発光部側レンズ、１ｂ…受光部側レン
ズ、２……スリツト、３……マスク、４ａ，４ｂ
，１０……光フアイバ、５……マグネツト、６…
…界磁用コイル、７……ロータ、８……ステータ
、９……ロータ軸、１１……被覆材。
FIG. 1 is a sectional view showing an embodiment of a vacuum motor with a photo encoder using the present invention, and FIG. 2 is an explanatory view showing the configuration of an optical fiber. 1a... Lens on the light emitting part side, 1b... Lens on the light receiving part side, 2... Slit, 3... Mask, 4a, 4b
, 10... optical fiber, 5... magnet, 6...
...Field coil, 7...Rotor, 8...Stator, 9...Rotor shaft, 11...Coating material.
Claims (1)
それぞれ光フアイバで結合され、かつ上記発光素
子及び受光素子は大気中に設置された構成の真空
用モータにおいて、上記光フアイバの被覆に、低
蒸気圧の有機高分子膜、例えばポリイミド又はＰ
ＴＦＥ等を塗布又は蒸着したものを用いたことを
特徴とする真空用モータ。 In a vacuum motor configured such that a light emitting element and a light receiving element of a photo encoder are connected to each other by an optical fiber, and the light emitting element and the light receiving element are installed in the atmosphere, the optical fiber is coated with a low vapor pressure organic material. Polymer membranes, e.g. polyimide or P
A vacuum motor characterized by using a motor coated or vapor-deposited with TFE or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14645387U JPS6451904U (en) | 1987-09-28 | 1987-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14645387U JPS6451904U (en) | 1987-09-28 | 1987-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451904U true JPS6451904U (en) | 1989-03-30 |
Family
ID=31415955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14645387U Pending JPS6451904U (en) | 1987-09-28 | 1987-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001320858A (en) * | 2000-05-09 | 2001-11-16 | Tamagawa Seiki Co Ltd | Sensor for vacuum motor |
-
1987
- 1987-09-28 JP JP14645387U patent/JPS6451904U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001320858A (en) * | 2000-05-09 | 2001-11-16 | Tamagawa Seiki Co Ltd | Sensor for vacuum motor |