JPS62122475U - - Google Patents
Info
- Publication number
- JPS62122475U JPS62122475U JP1013486U JP1013486U JPS62122475U JP S62122475 U JPS62122475 U JP S62122475U JP 1013486 U JP1013486 U JP 1013486U JP 1013486 U JP1013486 U JP 1013486U JP S62122475 U JPS62122475 U JP S62122475U
- Authority
- JP
- Japan
- Prior art keywords
- drive coil
- rotor magnet
- gap
- sensitive element
- magnetically sensitive
- 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
- 230000004907 flux Effects 0.000 claims 2
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の磁気感応素子構成を取つたモ
ータの要部断面図である。第２図はロータ側より
ステータヨークの駆動コイル面を見た図である。
第３図はロータマグネツトの平面図である。第４
図は従来技術の要部断面図である。
４……ロータマグネツト、５……駆動コイル、
６……ステータヨーク、１１……ホール素子（磁
気感応素子）、１２……段部。
FIG. 1 is a sectional view of a main part of a motor having a magnetically sensitive element structure according to the present invention. FIG. 2 is a view of the drive coil surface of the stator yoke viewed from the rotor side.
FIG. 3 is a plan view of the rotor magnet. Fourth
The figure is a sectional view of the main part of the conventional technology. 4...Rotor magnet, 5...Drive coil,
6... Stator yoke, 11... Hall element (magnetic sensing element), 12... Step portion.
Claims (1)
と、該ロータマグネツトにより構成される磁束内
に置かれた駆動コイルと、該駆動コイルを取付け
るステータヨークと、駆動コイルの内周空隙部に
あつて磁束の状態を検出し駆動コイルを制御する
磁気感応素子により構成されたブラシレスモータ
に於いて、駆動コイルの内周空隙部に配置された
磁気感応素子と面対向可能な位置までロータマグ
ネツトが内方に延出すると共に、前記駆動コイル
部におけるロータマグネツトとステータヨークの
ギヤツプより磁気感応素子部におけるロータマグ
ネツトとステータヨークのギヤツプの方が大きく
なる様にロータマグネツトに段部を形成したこと
を特徴とするブラシレスモータ。 A rotor magnet magnetized with multiple poles in the rotational direction, a drive coil placed within the magnetic flux formed by the rotor magnet, a stator yoke to which the drive coil is attached, and a stator placed in the inner circumferential gap of the drive coil. In a brushless motor configured with a magnetically sensitive element that detects the state of magnetic flux and controls the drive coil, the rotor magnet is moved to a position where it can face the magnetically sensitive element placed in the inner circumferential gap of the drive coil. A stepped portion is formed in the rotor magnet so that the gap extends inward and the gap between the rotor magnet and the stator yoke in the magnetically sensitive element portion is larger than the gap between the rotor magnet and the stator yoke in the drive coil portion. A brushless motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1013486U JPS62122475U (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1013486U JPS62122475U (en) | 1986-01-27 | 1986-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62122475U true JPS62122475U (en) | 1987-08-04 |
Family
ID=30796149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1013486U Pending JPS62122475U (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62122475U (en) |
-
1986
- 1986-01-27 JP JP1013486U patent/JPS62122475U/ja active Pending