JPH0410580U - - Google Patents
Info
- Publication number
- JPH0410580U JPH0410580U JP5192890U JP5192890U JPH0410580U JP H0410580 U JPH0410580 U JP H0410580U JP 5192890 U JP5192890 U JP 5192890U JP 5192890 U JP5192890 U JP 5192890U JP H0410580 U JPH0410580 U JP H0410580U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- magnet rotor
- brushless
- rotating shaft
- 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.)
- Pending
Links
- 230000005284 excitation Effects 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図ないし第３図は第１の実施例に係り、第
１図は本実施例によるブラシレス直流モータを示
す縦断面図、第２図は第１図中の−矢示方向
の横断面図、第３図は磁路形成部材の斜視図、第
４図は第２の実施例による磁路形成部材を示す斜
視図である。
１……ケーシング、６……回転軸、９……マグ
ネツトロータ、１０……励磁コイル、１１……ホ
ール素子、１２，１２′……磁路形成部材、１２
Ａ、１２Ａ′……基端部、１２Ｂ，１２Ｂ′……
先端部。
1 to 3 relate to the first embodiment, FIG. 1 is a longitudinal cross-sectional view showing the brushless DC motor according to the present embodiment, and FIG. 2 is a cross-sectional view in the − arrow direction in FIG. 1. , FIG. 3 is a perspective view of the magnetic path forming member, and FIG. 4 is a perspective view showing the magnetic path forming member according to the second embodiment. DESCRIPTION OF SYMBOLS 1... Casing, 6... Rotating shaft, 9... Magnetic rotor, 10... Excitation coil, 11... Hall element, 12, 12'... Magnetic path forming member, 12
A, 12A'... base end, 12B, 12B'...
tip.
Claims (1)
ングに回転自在に支持された回転軸と、前記ケー
シング内で該回転軸に設けられたマグネツトロー
タと、該マグネツトロータの外周側に位置して前
記ケーシング内に設けられた複数の励磁コイルと
からなるブラシレス直流モータにおいて、前記マ
グネツトロータと離間して前記ケーシングに設け
られた一または複数のホール素子と、磁性材料か
らなり、基端側が該ホール素子と近接して前記ケ
ーシングに固着され、先端側が自由端となつて前
記マグネツトロータに向けて延在した磁路形成部
材とを備えたことを特徴とするブラシレス直流モ
ータ。 A cylindrical casing, a rotating shaft whose axial ends are rotatably supported by the casing, a magnet rotor provided on the rotating shaft within the casing, and a magnet rotor located on the outer peripheral side of the magnet rotor. A brushless DC motor comprising a plurality of excitation coils provided in the casing, and one or more Hall elements provided in the casing apart from the magnet rotor, and a magnetic material, the proximal end of which is made of a magnetic material. A brushless DC motor comprising: a magnetic path forming member fixed to the casing in close proximity to the Hall element, with a free end extending toward the magnet rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5192890U JPH0410580U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5192890U JPH0410580U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410580U true JPH0410580U (en) | 1992-01-29 |
Family
ID=31571797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5192890U Pending JPH0410580U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007518385A (en) * | 2004-01-16 | 2007-07-05 | シーメンス アクチエンゲゼルシヤフト | Fuel pumping unit |
| JP2013070445A (en) * | 2011-09-20 | 2013-04-18 | Asmo Co Ltd | Brushless motor |
-
1990
- 1990-05-18 JP JP5192890U patent/JPH0410580U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007518385A (en) * | 2004-01-16 | 2007-07-05 | シーメンス アクチエンゲゼルシヤフト | Fuel pumping unit |
| JP2013070445A (en) * | 2011-09-20 | 2013-04-18 | Asmo Co Ltd | Brushless motor |