JPH0348366U - - Google Patents
Info
- Publication number
- JPH0348366U JPH0348366U JP10868089U JP10868089U JPH0348366U JP H0348366 U JPH0348366 U JP H0348366U JP 10868089 U JP10868089 U JP 10868089U JP 10868089 U JP10868089 U JP 10868089U JP H0348366 U JPH0348366 U JP H0348366U
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- holder
- small motor
- cal
- resistivity
- 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
- 230000017525 heat dissipation Effects 0.000 claims 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
第１図は一般的な小型モータのコミテータの構
造を示す正面図、第２図は第１図の−線断面
図である。
１……コミテータホルダ、２……コミテータセ
グメント。
FIG. 1 is a front view showing the structure of a common commutator for a small motor, and FIG. 2 is a sectional view taken along the line -- in FIG. 1...commitator holder, 2...commitator segment.
Claims (1)
グメントを接合し、上記コミテータホルダの軸孔
に回転軸を挿通した小型モータのコミテータにお
いて、上記コミテータホルダは１０３〜１０８Ω
cmの抵抗率を有する抵抗体とすると共にシヨアー
硬度Ｄ４０〜７０の弾性を有し、かつ熱電導率１
×１０−３〜１０−４ｃａｌ／cmの放熱性を有す
ることを特徴とする小型モータのコミテータ。 In a commutator for a small motor in which a plurality of commutator segments are joined to the circumferential surface of the commutator holder and a rotating shaft is inserted into the shaft hole of the commutator holder, the commutator holder has a resistance of 10 3 to 10 8 Ω.
The resistor has a resistivity of cm, an elasticity of Shore hardness D40 to 70, and a thermal conductivity of 1.
A small motor commutator characterized by having heat dissipation of ×10 −3 to 10 −4 cal/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10868089U JPH0348366U (en) | 1989-09-19 | 1989-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10868089U JPH0348366U (en) | 1989-09-19 | 1989-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0348366U true JPH0348366U (en) | 1991-05-09 |
Family
ID=31657303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10868089U Pending JPH0348366U (en) | 1989-09-19 | 1989-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07322569A (en) * | 1994-05-11 | 1995-12-08 | Johnson Electric Sa | Noise-suppression type commutator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132770B2 (en) * | 1975-04-24 | 1986-07-29 | Nakagawa Denka Sangyo |
-
1989
- 1989-09-19 JP JP10868089U patent/JPH0348366U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132770B2 (en) * | 1975-04-24 | 1986-07-29 | Nakagawa Denka Sangyo |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07322569A (en) * | 1994-05-11 | 1995-12-08 | Johnson Electric Sa | Noise-suppression type commutator |
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