JPS622370U - - Google Patents
Info
- Publication number
- JPS622370U JPS622370U JP9268285U JP9268285U JPS622370U JP S622370 U JPS622370 U JP S622370U JP 9268285 U JP9268285 U JP 9268285U JP 9268285 U JP9268285 U JP 9268285U JP S622370 U JPS622370 U JP S622370U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotor
- rotor yoke
- brushless motor
- position detection
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第1図乃至第4図は本考案の一実施例を示し、
第1図はブラシレスモータの断面図、第2図はロ
ータヨークの斜視図、第3図はロータマグネツト
の平面図、第4図は検出素子の出力電圧波形図で
ある。第5図は従来のブラシレスモータのロータ
部の分解斜視図である。
12……ロータマグネツト、9……立上り周縁
、8……ロータヨーク、16……ロータ部、18
……駆動コイル、28……ステータ部、10……
切込部、11……拡開部、13……位置検出用マ
グネツト、27……検出素子。
1 to 4 show an embodiment of the present invention,
FIG. 1 is a sectional view of the brushless motor, FIG. 2 is a perspective view of the rotor yoke, FIG. 3 is a plan view of the rotor magnet, and FIG. 4 is a diagram of the output voltage waveform of the detection element. FIG. 5 is an exploded perspective view of the rotor section of a conventional brushless motor. 12... Rotor magnet, 9... Rising edge, 8... Rotor yoke, 16... Rotor section, 18
... Drive coil, 28 ... Stator section, 10 ...
Cut portion, 11... Expanded portion, 13... Position detection magnet, 27... Detection element.
Claims (1)
を被覆する立上り周縁を有する皿状ロータヨーク
に設けてロータ部を形成し、複数個の駆動コイル
が取付けられたステータ部を、前記マグネツトと
間隙を有して配置してなるブラシレスモータにお
いて、 前記ロータヨークの立上り周縁に形成される切
込部及びこの切込部の奥部に形成される拡開部と
、 切込部及び拡開部内に配置され、ロータマグネ
ツトと一体の位置検出用マグネツトと、 この位置検出用マグネツトに対抗して前記ステ
ータ部に設けられる検出素子と、 を具備してなるブラシレスモータ。[Claims for Utility Model Registration] A rotor portion is formed by providing a rotor magnet in a dish-shaped rotor yoke having a rising peripheral edge that covers the outer peripheral wall of the magnet, and a stator portion to which a plurality of drive coils are attached; In the brushless motor arranged with a gap from the magnet, the rotor yoke includes a notch formed on the rising edge of the rotor yoke and an enlarged part formed in the inner part of the notch; A brushless motor comprising: a position detection magnet disposed within the opening and integrated with the rotor magnet; and a detection element provided in the stator section in opposition to the position detection magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9268285U JPS622370U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9268285U JPS622370U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS622370U true JPS622370U (en) | 1987-01-08 |
Family
ID=30649700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9268285U Pending JPS622370U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS622370U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0222068U (en) * | 1988-07-22 | 1990-02-14 |
-
1985
- 1985-06-19 JP JP9268285U patent/JPS622370U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0222068U (en) * | 1988-07-22 | 1990-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS622370U (en) | ||
JPS6229767U (en) | ||
JPS61176974U (en) | ||
JPS6229769U (en) | ||
JPS62104568U (en) | ||
JPS62145483U (en) | ||
JPH0182671U (en) | ||
JPS62177280U (en) | ||
JPS6447571U (en) | ||
JPS6348381U (en) | ||
JPS6271614U (en) | ||
JPS61202180U (en) | ||
JPH01109274U (en) | ||
JPS63191866U (en) | ||
JPS62172274U (en) | ||
JPS6445479U (en) | ||
JPS59103579U (en) | brushless motor | |
JPS605277U (en) | brushless motor | |
JPS62191367U (en) | ||
JPS62191368U (en) | ||
JPS6336174U (en) | ||
JPS624876U (en) | ||
JPS6336165U (en) | ||
JPH0226375U (en) | ||
JPS60181155U (en) | small electric motor |