JPH0321945U - - Google Patents
Info
- Publication number
- JPH0321945U JPH0321945U JP8099889U JP8099889U JPH0321945U JP H0321945 U JPH0321945 U JP H0321945U JP 8099889 U JP8099889 U JP 8099889U JP 8099889 U JP8099889 U JP 8099889U JP H0321945 U JPH0321945 U JP H0321945U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- magnet
- case
- rotor
- reducing inertia
- 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
Landscapes
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図は本考案のロータを用いるブラシレスモ
ータの要部断面図、第２図は同ロータの平面図、
第３図は同ロータの他の実施例の平面図、第４図
は同ロータの第３の実施例の一部断面正面図、そ
して第５図は従来のブラシレスモータの要部断面
図である。
４……界磁マグネツト、５……マグネツトケー
ス、５ａ，５ｂ，５ｃ……イナーシヤ軽減手段と
しての孔。
Fig. 1 is a sectional view of essential parts of a brushless motor using the rotor of the present invention, Fig. 2 is a plan view of the same rotor,
FIG. 3 is a plan view of another embodiment of the same rotor, FIG. 4 is a partially sectional front view of a third embodiment of the same rotor, and FIG. 5 is a sectional view of essential parts of a conventional brushless motor. . 4... Field magnet, 5... Magnet case, 5a, 5b, 5c... Holes as inertia reducing means.
Claims (1)
イナーシヤを軽減せしめる手段を設けたブラシレ
スモータのロータ。 (2) イナーシヤを軽減せしめる手段がマグネツ
トケースに明けた複数個の孔である実用新案登録
請求の範囲第１項記載のブラシレスモータのロー
タ。 (3) アウターロータ型であつて上記複数個の孔
をマグネツトケースの天井部に配設した実用新案
登録請求の範囲第１項または第２項記載のブラシ
レスモータのロータ。[Scope of Claim for Utility Model Registration] (1) A rotor for a brushless motor in which a means for reducing inertia is provided in a magnet case that holds a magnet. (2) A brushless motor rotor according to claim 1, wherein the means for reducing inertia is a plurality of holes formed in the magnetic case. (3) The brushless motor rotor according to claim 1 or 2, which is an outer rotor type and has the plurality of holes arranged in the ceiling of a magnetic case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8099889U JPH0321945U (en) | 1989-07-10 | 1989-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8099889U JPH0321945U (en) | 1989-07-10 | 1989-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321945U true JPH0321945U (en) | 1991-03-06 |
Family
ID=31626544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8099889U Pending JPH0321945U (en) | 1989-07-10 | 1989-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321945U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116571A (en) * | 1981-01-13 | 1982-07-20 | Citizen Watch Co Ltd | Rotor structure of step motor for timepiece |
-
1989
- 1989-07-10 JP JP8099889U patent/JPH0321945U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116571A (en) * | 1981-01-13 | 1982-07-20 | Citizen Watch Co Ltd | Rotor structure of step motor for timepiece |