GB331396A - Improvements relating to electric commutators and similar devices - Google Patents
Improvements relating to electric commutators and similar devicesInfo
- Publication number
- GB331396A GB331396A GB2133829A GB2133829A GB331396A GB 331396 A GB331396 A GB 331396A GB 2133829 A GB2133829 A GB 2133829A GB 2133829 A GB2133829 A GB 2133829A GB 331396 A GB331396 A GB 331396A
- Authority
- GB
- United Kingdom
- Prior art keywords
- commutator
- segments
- shaft
- commutators
- case
- 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
Links
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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/06—Manufacture of commutators
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
331,396. Duncan, H. L. July 11, 1929. Commutators. - The surfaces of the segments a, Fig. 2, of a dynamo commutator or similar device are caused to stand out beyond the intervening insulating segments b by means of a film of nickel, chromium or other metal c which is deposited electrolytically without the usual step of grooving the insulating segments. In the case of a commutator separated from an armature, all the segments may be bonded together by a wire wrapping, the short-circuited commutator as a whole then being immersed in the plating- bath, but in the case of a mounted commutator, Fig. 3, the armature windings give the requisite connection between the segments which are connected to the battery cathode as shown. The normal insulation between the shaft e and the commutator and windings may prevent deposit on the submerged part of the shaft, or this part may be coated with wax or other protective material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2133829A GB331396A (en) | 1929-07-11 | 1929-07-11 | Improvements relating to electric commutators and similar devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2133829A GB331396A (en) | 1929-07-11 | 1929-07-11 | Improvements relating to electric commutators and similar devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB331396A true GB331396A (en) | 1930-07-03 |
Family
ID=10161184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2133829A Expired GB331396A (en) | 1929-07-11 | 1929-07-11 | Improvements relating to electric commutators and similar devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB331396A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE937183C (en) * | 1942-09-05 | 1955-12-29 | Siemens Ag | Collector for electrical machines or devices |
DE1060031B (en) * | 1954-06-30 | 1959-06-25 | Westinghouse Electric Corp | Current collection device for electrical machines |
DE2903029A1 (en) * | 1978-01-26 | 1979-08-16 | Mitsuba Electric Mfg Co | COMMUTATOR AND METHOD OF MANUFACTURING SUCH |
GB2166007A (en) * | 1984-10-19 | 1986-04-23 | Ronald Michael Evans | Fibre brush commutators |
-
1929
- 1929-07-11 GB GB2133829A patent/GB331396A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE937183C (en) * | 1942-09-05 | 1955-12-29 | Siemens Ag | Collector for electrical machines or devices |
DE1060031B (en) * | 1954-06-30 | 1959-06-25 | Westinghouse Electric Corp | Current collection device for electrical machines |
DE2903029A1 (en) * | 1978-01-26 | 1979-08-16 | Mitsuba Electric Mfg Co | COMMUTATOR AND METHOD OF MANUFACTURING SUCH |
DE2903029C2 (en) * | 1978-01-26 | 1986-09-25 | Mitsuba Electric Mfg. Co., Ltd., Kiryu, Gumma | Commutator and process for its manufacture |
GB2166007A (en) * | 1984-10-19 | 1986-04-23 | Ronald Michael Evans | Fibre brush commutators |
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