JPH0472869U - - Google Patents
Info
- Publication number
- JPH0472869U JPH0472869U JP11678990U JP11678990U JPH0472869U JP H0472869 U JPH0472869 U JP H0472869U JP 11678990 U JP11678990 U JP 11678990U JP 11678990 U JP11678990 U JP 11678990U JP H0472869 U JPH0472869 U JP H0472869U
- Authority
- JP
- Japan
- Prior art keywords
- linear actuator
- hollow cylindrical
- moving coil
- fixed
- center yoke
- 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
- 238000013016 damping Methods 0.000 claims description 2
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 claims 1
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第1図および第2図は各々本考案の実施例を示
す要部縦断面説明図、第3図は従来のリニアアク
チユエータの例を示す要部縦断面説明図である。
1……センターヨーク、2……サイドヨーク、
3……永久磁石、6……可動コイル、9……ダン
ピング部材。
FIGS. 1 and 2 are explanatory longitudinal cross-sectional views of essential parts showing embodiments of the present invention, and FIG. 3 is explanatory longitudinal cross-sectional views of essential parts showing an example of a conventional linear actuator. 1...Center yoke, 2...Side yoke,
3... Permanent magnet, 6... Moving coil, 9... Damping member.
Claims (1)
ークを配設すると共に、これらのヨークの少なく
とも一端を磁気的に結合し、サイドヨークの内面
に軸方向に異なる磁極が隣接するように複数個の
永久磁石を固着し、前記センターヨークと永久磁
石との間に形成される磁気空隙内に中空筒状に形
成した可動コイルを軸方向移動自在に介装してな
るリニアアクチユエータにおいて、可動コイルの
少なくとも一端に強磁性材料からなるダンピング
部材を固着したことを特徴とするリニアアクチユ
エータ。 Hollow cylindrical side yokes are disposed coaxially with the center yoke, and at least one end of these yokes is magnetically coupled, and a plurality of permanent In a linear actuator in which a magnet is fixed and a hollow cylindrical moving coil is inserted in a magnetic gap formed between the center yoke and the permanent magnet, the moving coil is movable in the axial direction. A linear actuator characterized in that a damping member made of a ferromagnetic material is fixed to at least one end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11678990U JPH0472869U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11678990U JPH0472869U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0472869U true JPH0472869U (en) | 1992-06-26 |
Family
ID=31864630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11678990U Pending JPH0472869U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0472869U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009068856A3 (en) * | 2007-11-27 | 2009-09-24 | Perpetuum Ltd. | Generator for converting mechanical vibrational energy into electrical energy |
JP2010525779A (en) * | 2007-04-27 | 2010-07-22 | パーペトゥーム、リミテッド | A permanent magnet generator for converting mechanical vibration energy into electrical energy. |
-
1990
- 1990-11-07 JP JP11678990U patent/JPH0472869U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010525779A (en) * | 2007-04-27 | 2010-07-22 | パーペトゥーム、リミテッド | A permanent magnet generator for converting mechanical vibration energy into electrical energy. |
WO2009068856A3 (en) * | 2007-11-27 | 2009-09-24 | Perpetuum Ltd. | Generator for converting mechanical vibrational energy into electrical energy |
CN101971469A (en) * | 2007-11-27 | 2011-02-09 | 佩尔皮图姆有限公司 | An electromechanical generator for converting mechanical vibrational energy into electrical energy |
JP2011505114A (en) * | 2007-11-27 | 2011-02-17 | パーペトゥーム、リミテッド | Electromechanical generator for converting mechanical vibration energy into electrical energy |