JPS5960882U - brushless electric motor - Google Patents
brushless electric motorInfo
- Publication number
- JPS5960882U JPS5960882U JP15447482U JP15447482U JPS5960882U JP S5960882 U JPS5960882 U JP S5960882U JP 15447482 U JP15447482 U JP 15447482U JP 15447482 U JP15447482 U JP 15447482U JP S5960882 U JPS5960882 U JP S5960882U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- electric motor
- brushless electric
- poles
- switch
- 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
Landscapes
- Brushless Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す断面図、第２図は、固
定子２を主極部のみによって構成した場合の無通電時ト
ルク特性を説明するための図、第３図は主極部のみによ
る無通電時トルク特性を示す図、第４図は固定子２を弧
状部のみ°たよって構成した場合の無通電時トルクを説
明するための図１、第５図は上記弧状部のみによる無通
電時トルク特性を示す図、第６図は固定子の形状の一例
を示す図、第７図は第３図と第５図のトルクを合成した
無通電時トルク特性を示す図、第８図はコイルへの通電
によって生じるトルク特性を示す図、第９図は通電時の
合成トルク特性を示す図、第１０図は、実測による無通
電時トルク特性および通電時トルク特性を示す図である
。
図において、１・・・回転子、２・・・固定子、３・・
・コイル、４・・・小孔。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a diagram for explaining the torque characteristics when no current is applied when the stator 2 is composed of only the main poles, and FIG. 3 is a diagram showing the main poles. FIG. 4 is a diagram showing the torque characteristics when no current is applied due to only the pole parts, FIG. Fig. 6 is a diagram showing an example of the shape of the stator, Fig. 7 is a diagram showing the torque characteristics when non-energized by combining the torques of Fig. 3 and Fig. 5, Fig. 8 is a diagram showing the torque characteristics caused by energizing the coil, Fig. 9 is a diagram showing the composite torque characteristics when energized, and Fig. 10 is a diagram showing the actually measured torque characteristics when energized and the torque characteristics when energized. It is. In the figure, 1... rotor, 2... stator, 3...
・Coil, 4...small hole.
Claims (1)
Ｓ極が交互に形成された回転子と、該回転子の円筒内に
配置され、回転子の磁極数と同数のポールが該回転子の
円筒内周面に頭部端面を対向させて固定された固定子と
、該固定子のポールに巻回されたコイルと、該コイルの
電流を切替えるスイッチと、前記回転子の磁極位置を検
出して前記スイッチを切替制御する位置検出器とを備え
た無刷子電動機において、前記ポールの頭部に円周方向
に沿って非対称な突出部を形成し、長い方の突出部に一
回転子の回転軸に平行な方向に小孔を穿設したことを特
徴とする無刷子電動機。A rotor is composed of a cylindrical permanent magnet and has north and south poles alternately formed at regular intervals in the circumferential direction, and poles are arranged within the cylinder of the rotor and have the same number of magnetic poles as the rotor. A stator fixed with its head end face facing the cylindrical inner peripheral surface of the rotor, a coil wound around a pole of the stator, a switch for switching the current of the coil, and a magnetic pole position of the rotor. In the brushless electric motor, the brushless electric motor is equipped with a position detector that detects and controls switching of the switch. A brushless electric motor characterized by having small holes drilled in a direction parallel to the axis of rotation of the child.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15447482U JPS5960882U (en) | 1982-10-14 | 1982-10-14 | brushless electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15447482U JPS5960882U (en) | 1982-10-14 | 1982-10-14 | brushless electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5960882U true JPS5960882U (en) | 1984-04-20 |
Family
ID=30341456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15447482U Pending JPS5960882U (en) | 1982-10-14 | 1982-10-14 | brushless electric motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5960882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01162772U (en) * | 1988-04-28 | 1989-11-13 |
-
1982
- 1982-10-14 JP JP15447482U patent/JPS5960882U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01162772U (en) * | 1988-04-28 | 1989-11-13 |
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