JPH0417524U - - Google Patents
Info
- Publication number
- JPH0417524U JPH0417524U JP5644290U JP5644290U JPH0417524U JP H0417524 U JPH0417524 U JP H0417524U JP 5644290 U JP5644290 U JP 5644290U JP 5644290 U JP5644290 U JP 5644290U JP H0417524 U JPH0417524 U JP H0417524U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation
- brackets
- axial direction
- field portion
- pair
- 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
- 238000009423 ventilation Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 239000006247 magnetic powder Substances 0.000 claims 1
Description
第１図は本考案による冷却装置を備えた電磁パ
ウダクラツチ・ブレーキの一実施例を示す断面半
体図、第２図は第１図の矢視斜視図で、第３図
は従来の空冷式電磁パウダクラツチ・ブレーキの
断面半体図である。
符号の説明、１……ブロア、２ａ，３ａ……ブ
ラケツト、２ｂ，３ｂ……通気窓、４……入力軸
、５……シリンダ、５′……磁気遮断部、５ｂ…
…通気孔、５ｃ……通気孔、６ａ，７……側板、
８……コイル、９，９ａ……フイールド部、９ｂ
……通気窓、９ｃ……通風小孔、９ｄ……通気溝
。
Fig. 1 is a cross-sectional half-body view showing an embodiment of an electromagnetic powder clutch/brake equipped with a cooling device according to the present invention, Fig. 2 is a perspective view taken in the direction of the arrow in Fig. 1, and Fig. 3 is a conventional air-cooled electromagnetic powder clutch/brake. It is a cross-sectional half view of a powder clutch brake. Explanation of symbols, 1... Blower, 2a, 3a... Bracket, 2b, 3b... Ventilation window, 4... Input shaft, 5... Cylinder, 5'... Magnetic cutoff section, 5b...
...Vent hole, 5c...Vent hole, 6a, 7...Side plate,
8... Coil, 9, 9a... Field section, 9b
... Ventilation window, 9c... Small ventilation hole, 9d... Ventilation groove.
Claims (1)
タと、このロータに対し相対的回転可能に軸線方
向の両側端に１つずつ設けられた１対のブラケツ
トと、これらのブラケツトに支持されコイルを内
蔵しているフイールド部と、前記フイールド部の
内周に固定され、前記ロータの外周面との間に磁
性パウダの流動通路となる所定の隙間を保つて支
持板により支持されているシリンダとを含んで成
る電磁パウダクラツチ・ブレーキにおいて、 前記のブラケツトがさらに半径方向外方に前記
フイールド部９ａを越えて延長された１対のブラ
ケツト２ａ，３ａ、 この一対のブラケツト２ａ，３ａの半径方向外
周に設けられ、駆動源を内蔵し外部空気を取り入
れて半径方向内方に吹き出す少なくとも１個のブ
ロア１と、前記フイールド部の軸方向の中央部に
おいて前記フイールド部９ａを半径方向に貫通し
て前記コイル部８に達する少なくとも１個の通気
窓９ｂと、前記フイールド部の軸方向の両側端近
くで、前記の貫通窓を挟んで前記フイールド部を
半径方向に貫通する通風小孔９ｃと、前記フイー
ルド部の内周に、前記コイルの外周に沿つて設け
られた複数の通気溝９ｄと、 前記シリンダの中心部に半径方向に所定の深さ
で開けられた通気孔５ｃと、この通気孔と連通し
て前記シリンダを軸線方向の両側端に向かつて延
在する通気孔５ｂと、 前記１対のブラケツトのそれぞれの両側端面の
前記シリンダにほぼ対応する位置に設けられ、前
記の通気孔および通気溝と連通し前記ブロアから
の冷却空気を外部に排出する通気窓２ｂ，３ｂと
、 を含んで成ることを特徴とする電磁パウダクラツ
チ・ブレーキの冷却装置。[Claims for Utility Model Registration] A rotor integrally and rotatably connected to a rotating shaft; a pair of brackets provided at each end in the axial direction so as to be rotatable relative to the rotor; A support plate is installed to maintain a predetermined gap between the field portion supported by these brackets and containing a coil, and the outer circumferential surface of the rotor, which is fixed to the inner periphery of the field portion and serves as a flow path for the magnetic powder. a pair of brackets 2a, 3a, the brackets further extending radially outward beyond the field portion 9a; the pair of brackets 2a; , 3a, at least one blower 1 having a built-in drive source, which takes in external air and blows it out inward in the radial direction; at least one ventilation window 9b that penetrates in the axial direction and reaches the coil section 8; and a ventilation window 9b that penetrates the field section in the radial direction with the through window in between, near both ends of the field section in the axial direction. a hole 9c; a plurality of ventilation grooves 9d provided on the inner periphery of the field portion along the outer periphery of the coil; and a ventilation hole 5c opened at a predetermined depth in the radial direction in the center of the cylinder. , a ventilation hole 5b communicating with the ventilation hole and extending toward both ends of the cylinder in the axial direction; 2. A cooling device for an electromagnetic powder clutch/brake, comprising: ventilation windows 2b, 3b communicating with the ventilation holes and ventilation grooves and discharging cooling air from the blower to the outside.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056442U JP2576497Y2 (en) | 1990-05-31 | 1990-05-31 | Cooling device for electromagnetic powder clutch and brake |
| US07/706,335 US5178582A (en) | 1990-05-31 | 1991-05-28 | Electromagnetic powder coupling device |
| EP91304899A EP0459804B1 (en) | 1990-05-31 | 1991-05-30 | Electromagnetic powder coupling device |
| EP93113325A EP0573079B1 (en) | 1990-05-31 | 1991-05-30 | Electromagnetic powder coupling device |
| DE69104125T DE69104125T2 (en) | 1990-05-31 | 1991-05-30 | Coupling device with electromagnetic powder as an active ingredient. |
| DE69119096T DE69119096T2 (en) | 1990-05-31 | 1991-05-30 | Coupling device with electromagnetic powder as an active ingredient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056442U JP2576497Y2 (en) | 1990-05-31 | 1990-05-31 | Cooling device for electromagnetic powder clutch and brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0417524U true JPH0417524U (en) | 1992-02-13 |
| JP2576497Y2 JP2576497Y2 (en) | 1998-07-09 |
Family
ID=31580269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990056442U Expired - Fee Related JP2576497Y2 (en) | 1990-05-31 | 1990-05-31 | Cooling device for electromagnetic powder clutch and brake |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2576497Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676409B (en) * | 2017-11-13 | 2019-08-20 | 孟川 | A kind of brake and braking method of automobile |
-
1990
- 1990-05-31 JP JP1990056442U patent/JP2576497Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2576497Y2 (en) | 1998-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |