JPH0297875U - - Google Patents
Info
- Publication number
- JPH0297875U JPH0297875U JP429289U JP429289U JPH0297875U JP H0297875 U JPH0297875 U JP H0297875U JP 429289 U JP429289 U JP 429289U JP 429289 U JP429289 U JP 429289U JP H0297875 U JPH0297875 U JP H0297875U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- rotor
- electric pump
- shaft
- present
- 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
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 3
Landscapes
- Brushless Motors (AREA)
Description
本考案に係る第１実施例を第１図〜第７図に示
し、第１図は概略縦断面図、第２図は第１図にお
けるシヤフトに取付けられた主な部材の概略図、
第３図は第２図におけるＡ視図、第４図は第２図
におけるＢ視図、第５図及び第６図はセンサマグ
ネツトの態様例を示す図、第７図はロータとステ
ータとの位置関係図である。第８図及び第９図は
本考案に係る第２実施例を示す図である。第１０
図及び第１１図は本考案に係る第３実施例を示す
図である。第１２図及び第１３図は本考案に係る
第４実施例を示す図である。第１４図は従来例の
磁束分布を示す図であり、第１５図は本考案の磁
束分布の一例を示す図であり、第１６図はロータ
の円周方向における磁束分布の従来例と本考案と
の比較を示す図である。
２…モータハウジング、６…シヤフト、１６，
１１６，２１６，３１６…ロータ、１８…ステー
タ、１９…コイル、２６，１２６…センサマグネ
ツト。
A first embodiment according to the present invention is shown in FIGS. 1 to 7, where FIG. 1 is a schematic longitudinal sectional view, and FIG. 2 is a schematic diagram of the main members attached to the shaft in FIG. 1.
FIG. 3 is a view from A in FIG. 2, FIG. 4 is a view from B in FIG. 2, FIGS. 5 and 6 are views showing examples of the sensor magnet, and FIG. FIG. FIGS. 8 and 9 are diagrams showing a second embodiment of the present invention. 10th
This figure and FIG. 11 are diagrams showing a third embodiment of the present invention. FIGS. 12 and 13 are diagrams showing a fourth embodiment of the present invention. FIG. 14 is a diagram showing the magnetic flux distribution of the conventional example, FIG. 15 is a diagram showing an example of the magnetic flux distribution of the present invention, and FIG. 16 is a diagram showing the conventional example of magnetic flux distribution in the circumferential direction of the rotor and the present invention. FIG. 2...Motor housing, 6...Shaft, 16,
116, 216, 316... Rotor, 18... Stator, 19... Coil, 26, 126... Sensor magnet.
Claims (1)
内に置かれるロータを有するブラシレスモータを
用いた液体供給用の電動ポンプであつて、 前記ロータは個々に着磁された永久磁石片が前
記モータのシヤフトのまわりに相互に隣接して配
設されていることを特徴とする電動ポンプ。[Claims for Utility Model Registration] An electric pump for liquid supply using a brushless motor having a rotor placed in a stator fixed to the inner periphery of a motor housing, the rotor being an individually magnetized permanent motor. An electric pump characterized in that magnet pieces are arranged adjacent to each other around the shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP429289U JPH0297875U (en) | 1989-01-18 | 1989-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP429289U JPH0297875U (en) | 1989-01-18 | 1989-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297875U true JPH0297875U (en) | 1990-08-03 |
Family
ID=31206678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP429289U Pending JPH0297875U (en) | 1989-01-18 | 1989-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297875U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126460A (en) * | 1984-07-17 | 1986-02-05 | Hitachi Ltd | Permanent magnet rotor |
-
1989
- 1989-01-18 JP JP429289U patent/JPH0297875U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126460A (en) * | 1984-07-17 | 1986-02-05 | Hitachi Ltd | Permanent magnet rotor |