JPH0222082U - - Google Patents
Info
- Publication number
- JPH0222082U JPH0222082U JP9744688U JP9744688U JPH0222082U JP H0222082 U JPH0222082 U JP H0222082U JP 9744688 U JP9744688 U JP 9744688U JP 9744688 U JP9744688 U JP 9744688U JP H0222082 U JPH0222082 U JP H0222082U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- linear motor
- voice coil
- type linear
- facing
- 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
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は本考案の実施例の半断面を示す側面図
、第２図および第３図は他の実施例の正断面図で
ある。第４図は他の実施例を示す可動部の側断面
図である。
２……内ヨーク、３……内側空気軸受部、３２
……多孔部、４……可動部、４１……筒部、４１
ａ，ｂ……筒部面、４２……コイル、５……固定
子、６……外ヨーク、６１ａ，ｂ……外ヨーク部
、７……外側空気軸受部、７２……多孔部。
FIG. 1 is a side view showing a half section of an embodiment of the present invention, and FIGS. 2 and 3 are front sectional views of other embodiments. FIG. 4 is a side sectional view of a movable part showing another embodiment. 2... Inner yoke, 3... Inner air bearing section, 32
...Porous part, 4...Movable part, 41...Cylinder part, 41
a, b...Cylinder surface, 42...Coil, 5...Stator, 6...Outer yoke, 61a, b...Outer yoke portion, 7...Outer air bearing portion, 72...Porous portion.
Claims (1)
記筒部の外周に空隙を介して対向する固定子を設
け、筒部の内周に空隙を介して対向する内ヨーク
を設けたボイスコイル形リニアモータにおいて、
前記内ヨークおよび固定子の表面と前記筒部の表
面との間にそれぞれ空気軸受部を形成させたこと
を特徴とするボイスコイル形リニアモータ。 ２ 可動部に設けられた筒部に永久磁石よりなる
可動子を備え、前記筒部の外周に空隙を介して対
向するコイルを外ヨークの内周に設け、前記筒部
の内周に空隙を介して対向する内ヨークを設けた
ボイスコイル形リニアモータにおいて、前記内ヨ
ークおよびコイルの表面と筒部の表面との間にそ
れぞれ空気軸受部を形成させたことを特徴とする
ボイスコイル形リニアモータ。 ３ 前記空気軸受部に設けられた多孔部が多孔性
セラミツクスにより構成された請求項１または２
記載のボイスコイル形リニアモータ。 ４ 前記多孔部を分割された固定子の相互間の空
間に備えた請求項１から３までのいずれか１項に
記載のボイスコイル形リニアモータ。 ５ 前記筒部の断面を多角形に形成し、内ヨーク
および外ヨークの筒部に対向する面を筒部に平行
に形成させた請求項１から４までのいずれか１項
に記載のボイスコイル形リニアモータ。 ６ 筒部の断面を四角形に形成させ、二相の対面
する筒部面のうち一組の筒部面に対向する外ヨー
ク部と内ヨークにより磁気回路を形成させた請求
項５記載のボイスコイル形リニアモータ。 ７ 前記筒部の基部に空気受板を外周に突出させ
た請求項１から６までのいずれか１項に記載のボ
イスコイル形リニアモータ。[Claims for Utility Model Registration] 1. A coil is provided in a cylindrical portion provided in a movable part, a stator is provided on the outer periphery of the cylindrical portion facing each other with a gap therebetween, and a stator is provided on the inner periphery of the cylindrical portion facing each other with a gap interposed therebetween. In a voice coil type linear motor with an inner yoke,
A voice coil type linear motor characterized in that air bearing portions are formed between the surfaces of the inner yoke and stator and the surface of the cylindrical portion. 2. A cylindrical part provided in the movable part is provided with a mover made of a permanent magnet, a coil is provided on the inner periphery of the outer yoke, facing the outer periphery of the cylindrical part with a gap in between, and a gap is provided in the inner periphery of the cylindrical part. A voice coil type linear motor having an inner yoke facing each other via the inner yoke, wherein an air bearing portion is formed between the inner yoke and the surface of the coil and the surface of the cylindrical portion, respectively. . 3. Claim 1 or 2, wherein the porous portion provided in the air bearing portion is made of porous ceramics.
The voice coil type linear motor described. 4. The voice coil type linear motor according to claim 1, wherein the porous portion is provided in a space between divided stators. 5. The voice coil according to claim 1, wherein the cylindrical section has a polygonal cross section, and the surfaces of the inner yoke and the outer yoke facing the cylindrical section are formed parallel to the cylindrical section. type linear motor. 6. The voice coil according to claim 5, wherein the cylindrical section has a rectangular cross section, and a magnetic circuit is formed by an outer yoke and an inner yoke that face one set of the two-phase facing cylindrical surfaces. type linear motor. 7. The voice coil type linear motor according to any one of claims 1 to 6, wherein an air receiving plate is made to protrude outward from the base of the cylindrical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9744688U JPH0222082U (en) | 1988-07-23 | 1988-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9744688U JPH0222082U (en) | 1988-07-23 | 1988-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0222082U true JPH0222082U (en) | 1990-02-14 |
Family
ID=31322924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9744688U Pending JPH0222082U (en) | 1988-07-23 | 1988-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007065430A (en) * | 2005-08-31 | 2007-03-15 | Mitsumi Electric Co Ltd | Camera actuator |
-
1988
- 1988-07-23 JP JP9744688U patent/JPH0222082U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007065430A (en) * | 2005-08-31 | 2007-03-15 | Mitsumi Electric Co Ltd | Camera actuator |
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