JPH046287U - - Google Patents
Info
- Publication number
- JPH046287U JPH046287U JP4600490U JP4600490U JPH046287U JP H046287 U JPH046287 U JP H046287U JP 4600490 U JP4600490 U JP 4600490U JP 4600490 U JP4600490 U JP 4600490U JP H046287 U JPH046287 U JP H046287U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- eddy current
- groove
- ferromagnetic material
- braking
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000003302 ferromagnetic material Substances 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Description
第１図は本考案の一実施例を示す要部拡大断面
図、第２図乃至第４図は本考案溝に係る銅リング
とを示す要部拡大図、第５図は銅リングの要部詳
細図、第６図は従来の渦電流式リターダを示す断
面図、第７図は渦電流及び磁気回路の発生状態を
示す模示図、第８図はロータ内周表面を示す概略
図である。
図中、１……渦電流式リターダ、２……回転軸
、４……ロータ、６……ステータ、９……永久磁
石、１２……溝、１３……良伝導体としての銅リ
ングである。
Fig. 1 is an enlarged sectional view of the main part showing one embodiment of the present invention, Figs. 2 to 4 are enlarged views of the main part showing the copper ring related to the groove of the invention, and Fig. 5 is the main part of the copper ring. 6 is a cross-sectional view showing a conventional eddy current type retarder, FIG. 7 is a schematic view showing the state of generation of eddy current and magnetic circuit, and FIG. 8 is a schematic view showing the inner peripheral surface of the rotor. . In the figure, 1... Eddy current retarder, 2... Rotating shaft, 4... Rotor, 6... Stator, 9... Permanent magnet, 12... Groove, 13... Copper ring as a good conductor. .
Claims (1)
から形成し、該強磁性体に渦電流を生起させて制
動するための永久磁石を有して形成されたステー
タを上記ロータに対して近接離間自在に設け、上
記ロータの制動方向成分渦電流と直角方向の両端
部と対峙する部位に、周方向に沿わせて溝を凹設
し、該溝にリング的に設けられる良伝導体の内周
面及び端面の一部を外部に開放したことを特徴と
する渦電流式リターダ。 A rotor that rotates integrally with the rotating shaft is formed from a ferromagnetic material, and a stator that is formed with a permanent magnet for generating eddy current in the ferromagnetic material and braking it is brought close to the rotor. A groove is provided along the circumferential direction in a portion facing both ends of the rotor in a direction perpendicular to the braking direction component eddy current, and a good conductor is provided in the groove in the form of a ring. An eddy current retarder characterized by having a peripheral surface and a portion of the end surface open to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046004U JPH0811053Y2 (en) | 1990-04-28 | 1990-04-28 | Eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046004U JPH0811053Y2 (en) | 1990-04-28 | 1990-04-28 | Eddy current retarder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046287U true JPH046287U (en) | 1992-01-21 |
| JPH0811053Y2 JPH0811053Y2 (en) | 1996-03-29 |
Family
ID=31560697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990046004U Expired - Lifetime JPH0811053Y2 (en) | 1990-04-28 | 1990-04-28 | Eddy current retarder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811053Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63131589U (en) * | 1987-02-18 | 1988-08-29 | ||
| JPH01234043A (en) * | 1988-03-14 | 1989-09-19 | Sumitomo Metal Ind Ltd | Eddy current type speed reducer |
-
1990
- 1990-04-28 JP JP1990046004U patent/JPH0811053Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63131589U (en) * | 1987-02-18 | 1988-08-29 | ||
| JPH01234043A (en) * | 1988-03-14 | 1989-09-19 | Sumitomo Metal Ind Ltd | Eddy current type speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811053Y2 (en) | 1996-03-29 |
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