DE3937574C2 - - Google Patents
Info
- Publication number
- DE3937574C2 DE3937574C2 DE19893937574 DE3937574A DE3937574C2 DE 3937574 C2 DE3937574 C2 DE 3937574C2 DE 19893937574 DE19893937574 DE 19893937574 DE 3937574 A DE3937574 A DE 3937574A DE 3937574 C2 DE3937574 C2 DE 3937574C2
- Authority
- DE
- Germany
- Prior art keywords
- commutator
- commutator segments
- segments
- cast
- adjacent
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/14—Fastenings of commutators or slip-rings to shafts
- H01R39/16—Fastenings of commutators or slip-rings to shafts by means of moulded or cast material applied during or after assembly
Landscapes
- Motor Or Generator Current Collectors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30122288A JPH02151243A (ja) | 1988-11-29 | 1988-11-29 | モールド整流子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3937574A1 DE3937574A1 (de) | 1990-05-31 |
| DE3937574C2 true DE3937574C2 (enrdf_load_stackoverflow) | 1992-07-09 |
Family
ID=17894252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893937574 Granted DE3937574A1 (de) | 1988-11-29 | 1989-11-11 | Gegossener kommutator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH02151243A (enrdf_load_stackoverflow) |
| DE (1) | DE3937574A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2226460B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6525445B2 (en) * | 2000-04-13 | 2003-02-25 | Denso Corporation | Plane commutator and method of manufacturing the same |
| EP1944855A1 (en) * | 2006-10-17 | 2008-07-16 | Matsushita Electric Industrial Co., Ltd. | Mold commutator, its manufacturing method, and motor using them |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE856654C (de) * | 1941-11-13 | 1952-11-24 | Siemens Ag | Kommutator, insbesondere Pressstoffkommutator |
| DE854394C (de) * | 1942-03-19 | 1952-11-04 | Siemens Ag | Kommutator fuer elektrische Maschinen |
| GB644300A (en) * | 1945-10-12 | 1950-10-11 | Watliff Company Ltd | Improvements in or relating to commutators |
| GB734696A (en) * | 1952-10-21 | 1955-08-03 | British Thomson Houston Co Ltd | Improvements in and relating to commutators |
| DE2007800A1 (de) * | 1970-02-20 | 1971-08-26 | Nettelhoff Friedrich Fa | Verfahren zur Herstellung von luft spalt und/oder preßmasseisoherten Kollek toren fur Elektromotore |
| JPS6198139A (ja) * | 1984-10-16 | 1986-05-16 | Hitachi Koki Co Ltd | モ−ルド整流子 |
-
1988
- 1988-11-29 JP JP30122288A patent/JPH02151243A/ja not_active Expired - Lifetime
-
1989
- 1989-11-11 DE DE19893937574 patent/DE3937574A1/de active Granted
- 1989-11-16 GB GB8925913A patent/GB2226460B/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2226460A (en) | 1990-06-27 |
| JPH02151243A (ja) | 1990-06-11 |
| GB2226460B (en) | 1993-01-06 |
| GB8925913D0 (en) | 1990-01-04 |
| DE3937574A1 (de) | 1990-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licenses declared (paragraph 23) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |