GB2005483A - Dynamoelectric machine brush systems - Google Patents
Dynamoelectric machine brush systemsInfo
- Publication number
- GB2005483A GB2005483A GB7836989A GB7836989A GB2005483A GB 2005483 A GB2005483 A GB 2005483A GB 7836989 A GB7836989 A GB 7836989A GB 7836989 A GB7836989 A GB 7836989A GB 2005483 A GB2005483 A GB 2005483A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact members
- low
- dynamoelectric machine
- machine brush
- systems
- 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.)
- Withdrawn
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
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/46—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing
- H01R39/48—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing by air blast; by surrounding collector with non-conducting liquid or gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/003—Structural associations of slip-rings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
Current collecting systems selectively using compatible materials in different applications for the moving and stationary contact members operate in an inert gas atmosphere, such as carbon dioxide containing a vaporous organic substance (in Chamber 40) to achieve operation at higher temperatures, velocities and current densities than is possible with conventional systems. Low friction and low wear rates are in part achieved by operating the contact members in a low temperature environment, cooling fluid passing through pipes 50 to the brush holder 42. The brushes 44 may be graphitic type with a dispersed metal of preferably Copper or Silver. The organic vapour is preferably at least one of a paraffinic hydrocarbon, an alcohol, a keytone, and aldehide (each having from 7 to 16 carbon atoms) and decalin. Results of experiments with different metals, vapours etc are disclosed. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83818177A | 1977-09-30 | 1977-09-30 | |
US05/928,116 US4241271A (en) | 1978-07-26 | 1978-07-26 | Solid brush current collection system |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2005483A true GB2005483A (en) | 1979-04-19 |
Family
ID=27126005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7836989A Withdrawn GB2005483A (en) | 1977-09-30 | 1978-09-15 | Dynamoelectric machine brush systems |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5457604A (en) |
CA (1) | CA1123881A (en) |
CH (1) | CH642788A5 (en) |
DE (1) | DE2841242A1 (en) |
ES (1) | ES473791A1 (en) |
FR (1) | FR2404938A1 (en) |
GB (1) | GB2005483A (en) |
IT (1) | IT1104085B (en) |
NL (1) | NL7809770A (en) |
SE (1) | SE7810235L (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039994A1 (en) * | 1980-05-12 | 1981-11-18 | Litton Systems, Inc. | A high voltage slip ring assembly |
EP0209617A1 (en) * | 1985-07-25 | 1987-01-28 | Matsushita Electric Industrial Co., Ltd. | Small-size motor |
EP0767527A1 (en) * | 1995-10-07 | 1997-04-09 | Mabuchi Motor Co., Ltd | Miniature electric motor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277708A (en) * | 1979-06-25 | 1981-07-07 | Westinghouse Electric Corp. | Environment and brushes for high-current rotating electrical machinery |
JPS59213260A (en) * | 1983-05-17 | 1984-12-03 | Matsushita Electric Ind Co Ltd | Small-sized motor |
JPS59213261A (en) * | 1983-05-17 | 1984-12-03 | Matsushita Electric Ind Co Ltd | Small-sized motor |
JPH02285958A (en) * | 1989-04-24 | 1990-11-26 | Sumitomo Heavy Ind Ltd | Superconductive motor having water-cooled current collecting brush |
JP2017070175A (en) * | 2015-10-02 | 2017-04-06 | マブチモーター株式会社 | Dc motor, door lock device for vehicle, and cleaning method |
DE102019100729B4 (en) * | 2019-01-14 | 2022-09-29 | Bayerische Motoren Werke Aktiengesellschaft | Passively cooled brush module for a slip ring system of a current-excited electrical machine, electrical machine and motor vehicle |
FR3095902B1 (en) * | 2019-05-09 | 2021-06-04 | Euro Techniques Ind | Electrical rotating joint device configured to equip a fluid exploitation installation, in particular on an offshore platform |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB325287A (en) * | 1928-11-17 | 1930-02-17 | Morgan Crucible Co | Improvements in or relating to brushes for use in dynamoelectric machines, electric motors and the like, and to processes for the manufacture thereof |
JPS4213046Y1 (en) * | 1964-05-13 | 1967-07-25 | ||
GB1274755A (en) * | 1969-03-25 | 1972-05-17 | Int Research & Dev Co Ltd | Improvements in and relating to dynamo-electric machines |
-
1978
- 1978-09-15 GB GB7836989A patent/GB2005483A/en not_active Withdrawn
- 1978-09-22 DE DE19782841242 patent/DE2841242A1/en not_active Withdrawn
- 1978-09-26 JP JP11755078A patent/JPS5457604A/en active Pending
- 1978-09-27 CA CA312,203A patent/CA1123881A/en not_active Expired
- 1978-09-27 NL NL7809770A patent/NL7809770A/en not_active Application Discontinuation
- 1978-09-28 FR FR7827776A patent/FR2404938A1/en active Granted
- 1978-09-29 ES ES473791A patent/ES473791A1/en not_active Expired
- 1978-09-29 CH CH1017278A patent/CH642788A5/en not_active IP Right Cessation
- 1978-09-29 IT IT41648/78A patent/IT1104085B/en active
- 1978-09-29 SE SE7810235A patent/SE7810235L/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039994A1 (en) * | 1980-05-12 | 1981-11-18 | Litton Systems, Inc. | A high voltage slip ring assembly |
EP0209617A1 (en) * | 1985-07-25 | 1987-01-28 | Matsushita Electric Industrial Co., Ltd. | Small-size motor |
EP0767527A1 (en) * | 1995-10-07 | 1997-04-09 | Mabuchi Motor Co., Ltd | Miniature electric motor |
Also Published As
Publication number | Publication date |
---|---|
FR2404938B1 (en) | 1983-10-28 |
CH642788A5 (en) | 1984-04-30 |
IT7841648A0 (en) | 1978-09-29 |
IT1104085B (en) | 1985-10-14 |
DE2841242A1 (en) | 1979-04-12 |
NL7809770A (en) | 1979-04-03 |
SE7810235L (en) | 1979-05-17 |
ES473791A1 (en) | 1979-10-16 |
FR2404938A1 (en) | 1979-04-27 |
JPS5457604A (en) | 1979-05-09 |
CA1123881A (en) | 1982-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |