JPH0164964U - - Google Patents
Info
- Publication number
- JPH0164964U JPH0164964U JP1987159637U JP15963787U JPH0164964U JP H0164964 U JPH0164964 U JP H0164964U JP 1987159637 U JP1987159637 U JP 1987159637U JP 15963787 U JP15963787 U JP 15963787U JP H0164964 U JPH0164964 U JP H0164964U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- motor section
- rotor
- stator
- torque ripple
- 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 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の直流ブラシレス電動機の縦断
面図、第２図はその回転子位置検出器部分を取り
出して示す拡大正面図、第３図はその第１電動機
部と第２電動機部構成原理説明線図、第４図はそ
のトルクリツプルの状態を示す線図、第５図は従
来の電動機の一例を示す縦断面図、第６図はその
回転子位置検出器部分を取り出して示す拡大正面
図、第７図はそのトルクリツプルの状態を示す線
図である。
１…電動機本体、２ａ，２ｂ…固定子、３ａ，
３ｂ…回転子、４…回転軸、５…回転子位置検出
器、６…回転板、７…パルス発生器、１２…第１
電動機部、１３…第２電動機部、１６…パルス発
生器。
Fig. 1 is a vertical cross-sectional view of the DC brushless motor of the present invention, Fig. 2 is an enlarged front view showing the rotor position detector section, and Fig. 3 is the principle of construction of the first and second motor parts. An explanatory diagram, FIG. 4 is a diagram showing the state of torque ripple, FIG. 5 is a longitudinal cross-sectional view showing an example of a conventional electric motor, and FIG. 6 is an enlarged front view showing the rotor position detector section taken out. , FIG. 7 is a diagram showing the state of the torque ripple. 1...Electric motor body, 2a, 2b...Stator, 3a,
3b... Rotor, 4... Rotating shaft, 5... Rotor position detector, 6... Rotating plate, 7... Pulse generator, 12... First
Electric motor section, 13... Second electric motor section, 16... Pulse generator.
Claims (1)
機部１３とを設け、上記第１電動機部１２の回転
子３ａと固定子２ａとの関係位置と、前記第２電
動機部１３の回転子３ｂと固定子２ｂとの関係位
置を、相対的にずらせることにより、前記第１電
動機部１２で生ずるトルクリツプルＡの山と谷に
に、それぞれ前記第２電動機部１３で生ずるトル
クリツプルＢの谷と山が対応して回転駆動するよ
うに、回転子位置検出器５の前記各回転子３ａ，
３ｂに対応する位置検出角度を設定配置して構成
したことを特徴とする直流ブラシレス電動機。 A first electric motor section 12 and a second electric motor section 13 are provided on the same rotating shaft 4, and the relative position of the rotor 3a and stator 2a of the first electric motor section 12 and the rotor of the second electric motor section 13 are determined. 3b and the stator 2b, the peaks and troughs of the torque ripple A generated in the first electric motor section 12 are different from the troughs of the torque ripple B generated in the second electric motor section 13, respectively. Each rotor 3a,
A DC brushless motor characterized in that the position detection angle corresponding to 3b is set and arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159637U JPH0164964U (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159637U JPH0164964U (en) | 1987-10-19 | 1987-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164964U true JPH0164964U (en) | 1989-04-26 |
Family
ID=31441019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159637U Pending JPH0164964U (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164964U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997018616A1 (en) * | 1995-11-16 | 1997-05-22 | Matsushita Electric Industrial Co., Ltd. | Motor |
| JPH09154269A (en) * | 1995-11-28 | 1997-06-10 | Matsushita Electric Ind Co Ltd | Brushless motor |
| JP2008289335A (en) * | 2007-05-21 | 2008-11-27 | Honda Motor Co Ltd | Electric motor |
| JP2016220430A (en) * | 2015-05-22 | 2016-12-22 | 中川電化産業株式会社 | Brushless motor |
| US10539147B2 (en) * | 2016-01-13 | 2020-01-21 | Wisconsin Alumni Research Foundation | Integrated rotor for an electrical machine and compressor |
-
1987
- 1987-10-19 JP JP1987159637U patent/JPH0164964U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997018616A1 (en) * | 1995-11-16 | 1997-05-22 | Matsushita Electric Industrial Co., Ltd. | Motor |
| JPH09154269A (en) * | 1995-11-28 | 1997-06-10 | Matsushita Electric Ind Co Ltd | Brushless motor |
| JP2008289335A (en) * | 2007-05-21 | 2008-11-27 | Honda Motor Co Ltd | Electric motor |
| JP2016220430A (en) * | 2015-05-22 | 2016-12-22 | 中川電化産業株式会社 | Brushless motor |
| US10539147B2 (en) * | 2016-01-13 | 2020-01-21 | Wisconsin Alumni Research Foundation | Integrated rotor for an electrical machine and compressor |