JPS61108082U - - Google Patents
Info
- Publication number
- JPS61108082U JPS61108082U JP19253184U JP19253184U JPS61108082U JP S61108082 U JPS61108082 U JP S61108082U JP 19253184 U JP19253184 U JP 19253184U JP 19253184 U JP19253184 U JP 19253184U JP S61108082 U JPS61108082 U JP S61108082U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- rotor
- holding part
- magnetic material
- electric motor
- 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
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Brushless Motors (AREA)
Description
第１図は、本考案の一実施例を示す要部断面図
、第２図は、磁性材料６を入れない場合の回転角
度とトルクとの相関関係を示すトルクカーブ図。
第３図は、本考案の、磁性材料６を挿入した場合
の無刷子電動機の回転角度とトルクとの相関関係
を示すトルクカーブ図。
図に於いて、１…ローター、２…ステーター、
３…コイル、４…位置検出器、５…中間脚、６…
磁性材料、７…保持部、Ｔｍ…電磁トルク、Ｔｒ
…リラクタンストルク、Ｔｏ…合成トルク。
FIG. 1 is a sectional view of a main part showing an embodiment of the present invention, and FIG. 2 is a torque curve diagram showing the correlation between rotation angle and torque when no magnetic material 6 is inserted.
FIG. 3 is a torque curve diagram showing the correlation between the rotation angle and torque of the brushless motor according to the present invention when the magnetic material 6 is inserted. In the figure, 1...rotor, 2...stator,
3...Coil, 4...Position detector, 5...Intermediate leg, 6...
Magnetic material, 7... Holding part, Tm... Electromagnetic torque, Tr
...Reluctance torque, To...Synthetic torque.
Claims (1)
で形成されをローターと、前記ローターの磁極数
と同数の巻線用のステーターと、前記ステーター
に巻回されたコイルと、前記コイルの電流を切り
替えるスイツチと、前記ローターの磁極位置を検
出する位置検出器と、前記ステーターの中間に位
置する中間脚とを備えた無刷子電動機に於いて、
前記ステーターと、前記中間脚の端部に磁性材料
を保持する保持部を備え、前記保持部に磁性材料
を挿入した事を特徴とする自起動可能な、無刷子
電動機。 A rotor formed of cylindrical permanent magnets having north and south poles alternately magnetized, a stator for windings of the same number as the number of magnetic poles of the rotor, a coil wound around the stator, and the coil. In a brushless electric motor, the motor is equipped with a switch for switching current, a position detector for detecting the magnetic pole position of the rotor, and an intermediate leg located between the stators,
A brushless electric motor capable of self-starting, characterized in that the stator and the intermediate leg each have a holding part that holds a magnetic material at an end thereof, and the magnetic material is inserted into the holding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19253184U JPH0431825Y2 (en) | 1984-12-18 | 1984-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19253184U JPH0431825Y2 (en) | 1984-12-18 | 1984-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61108082U true JPS61108082U (en) | 1986-07-09 |
| JPH0431825Y2 JPH0431825Y2 (en) | 1992-07-30 |
Family
ID=30749944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19253184U Expired JPH0431825Y2 (en) | 1984-12-18 | 1984-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431825Y2 (en) |
-
1984
- 1984-12-18 JP JP19253184U patent/JPH0431825Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431825Y2 (en) | 1992-07-30 |
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