US463512A - Electrical conductor - Google Patents
Electrical conductor Download PDFInfo
- Publication number
- US463512A US463512A US463512DA US463512A US 463512 A US463512 A US 463512A US 463512D A US463512D A US 463512DA US 463512 A US463512 A US 463512A
- Authority
- US
- United States
- Prior art keywords
- plumbago
- electrical conductor
- pencil
- conductor
- brush
- 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
- 239000004020 conductor Substances 0.000 title description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 239000010439 graphite Substances 0.000 description 16
- 241000209456 Plumbago Species 0.000 description 15
- 239000000203 mixture Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- LTMHDMANZUZIPE-PUGKRICDSA-N digoxin Chemical compound C1[C@H](O)[C@H](O)[C@@H](C)O[C@H]1O[C@@H]1[C@@H](C)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@@H]3C[C@@H]4[C@]([C@@H]5[C@H]([C@]6(CC[C@@H]([C@@]6(C)[C@H](O)C5)C=5COC(=O)C=5)O)CC4)(C)CC3)C[C@@H]2O)C)C[C@@H]1O LTMHDMANZUZIPE-PUGKRICDSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
Definitions
- the object of my invention is to make an electrical conductor-such, for instance, as a pencil for electric-arc lights or a commutatorbrush for dynamos, motors, tbe-that will not be consumed or wear away so quickly as usual.
- This object I attain in the following manner, reference being had to drawings, in which- Figure l is a side view of an arc-light pencil made in accordance with my invention, and Fig. 2 is a view of one form of commutator-brush.
- the arc-light pencil (shown in Fig. 1) is made, essentially, of plumbago, in a finelydivided state, which is molded into the desired form by pressure and then treated with a drying-oil of such character that it will resinify on being dried or subjected to heat.
- the proportion of fiber to plumbago may vary according to circumstances, but I prefer to have as much plumbago as possible in the pencil and in large excess of the other ingreclients.
- the material for the conductor I prefer to manufacture in the manner set forth in an application tiled by me on January 7,1891, Serial No. 377,028.
- a com1nutator-brush essentially and mainly of plumbago I preferably shape it as shown in Fig. ⁇ 2, and use a compound of plumbago and fiber bound together by a drythe accompanying ing-oil of resinif yin g character.
- a brush not only constitutes a good electrical conductor, but it also reduces the friction between the brush and commutator. of the brush will not wear away so fast as do the brushes'made of metal or carbon in the usual manner.
- Brushes made of my improved material I have used on dynamos and motors with excellent results, the brushes running smoothly, preventing sparking, and otherwise improving the machine.
- the material maybe used for electrical contact-points, and in fact for any electrical use to which such a material can be applied.
- a hardened electric conducting composition composed of finely-divided plumbago, inelydivided fiber, and a drying-oil as a binder to hold the particles of plumbago in electrical contact with each other, substantially as described.
- a hardened electric 'conducting composition composed of plumbago, divided ber, and a drying-oil, the plumbago being in excess, substantially as specified.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
No. 463,512. Patented Nov. 17, 1891.
UNTTED STATES PATENT OFFICE.
PHILIP HENRY HOLMES, OF GARDINER, MAINE, ASSIGNOR TO THE HOLMES FIBRE-GRAPHITE MANUFACTURING COMPANY, OF CHICAGO, ILLINOIS.
ELECTRICAL CONDUCTOR.
SPECIFICATION forming part of Letters Patent No. 463,512, dated November 17, 1891.
Application led June 2, 1891. Serial No. 394,887. (No modeLV To a/ZZ whom it may concern,.-
Be it known that I, PHILIP HENRY HoLMEs, of Gardiner, in the county of Kennebec and State of Maine, have invented certain new and useful Improvements in Electrical Conductors; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
The object of my invention is to make an electrical conductor-such, for instance, as a pencil for electric-arc lights or a commutatorbrush for dynamos, motors, tbe-that will not be consumed or wear away so quickly as usual. This object I attain in the following manner, reference being had to drawings, in which- Figure l is a side view of an arc-light pencil made in accordance with my invention, and Fig. 2 is a view of one form of commutator-brush.
The arc-light pencil (shown in Fig. 1) is made, essentially, of plumbago, in a finelydivided state, which is molded into the desired form by pressure and then treated with a drying-oil of such character that it will resinify on being dried or subjected to heat.
In order to strengthen the conductor and to hold the plumbago during the manufacture of theV conductor, I mix with the plumbago nely-divided fiber, preferably Wood fiber.4
The proportion of fiber to plumbago may vary according to circumstances, but I prefer to have as much plumbago as possible in the pencil and in large excess of the other ingreclients.
I have obtained very good results from pencils in which the proportion of plumbago to ber vary from four to one to thirty-live to one.
The material for the conductor I prefer to manufacture in the manner set forth in an application tiled by me on January 7,1891, Serial No. 377,028.
I iind that an arc-light pencil made in accordance with my invention lasts considerably longer than a pencil made of the ordinary gascarbon, and will also giveamore satisfactory light.
In making a com1nutator-brush essentially and mainly of plumbago I preferably shape it as shown in Fig.`2, and use a compound of plumbago and fiber bound together by a drythe accompanying ing-oil of resinif yin g character. Such abrush not only constitutes a good electrical conductor, but it also reduces the friction between the brush and commutator. of the brush will not wear away so fast as do the brushes'made of metal or carbon in the usual manner.
Brushes made of my improved material I have used on dynamos and motors with excellent results, the brushes running smoothly, preventing sparking, and otherwise improving the machine.
In making either the arc-light pencil or the commutator-brush I prefer to apply thereto by plating or otherwise a coating of copper or other suitable electrical conducting metal, which not only strengthens the pencil -or brush, but also is a good conductor of electricity.
The material maybe used for electrical contact-points, and in fact for any electrical use to which such a material can be applied.
Having fully described my invention, what yI claim as new, and desire to secure by Let- 1. An electric conducting composition made of compressed plumbago united by a dryingoil as a binder and solidied and hardened, substantially as specified. 2. An electric conducting composition made of finely-divided plumbago and inely-divided ber compressed into a form and united by a binder and solidified and hardened, substantially as specified.
3. A hardened electric conducting composition of plumbago, fiber, and a drying-oil as a binder, substantially as described.
4t. A hardened electric conducting composition, composed of finely-divided plumbago, inelydivided fiber, and a drying-oil as a binder to hold the particles of plumbago in electrical contact with each other, substantially as described.
5. A hardened electric 'conducting composition composed of plumbago, divided ber, and a drying-oil, the plumbago being in excess, substantially as specified.
In testimony whereof I have signed this specication in the presence of two subscribing witnesses.
PHILIP HENRY HOLMES. Witnesses:
A. M. SPEAR, CHARLES L. ANDREWS.
Hence the material IOO
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US463512A true US463512A (en) | 1891-11-17 |
Family
ID=2532384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US463512D Expired - Lifetime US463512A (en) | Electrical conductor |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US463512A (en) |
-
0
- US US463512D patent/US463512A/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2002001700A1 (en) | Carbon brush for electric machine | |
| US2736830A (en) | Current-conveying brushes | |
| US463512A (en) | Electrical conductor | |
| US3980914A (en) | Brushes for rotating electric machines | |
| US539454A (en) | Carbon brush | |
| US2656475A (en) | Electrical machine brush and method of prolonging its life | |
| US2418812A (en) | Contact element | |
| US428742A (en) | Commutator collector or block for dynamo-electric machines | |
| US7148602B2 (en) | Commutator | |
| US2418810A (en) | Contact element | |
| US1568774A (en) | Brush | |
| JPH0371582A (en) | Brush | |
| JP3288175B2 (en) | Carbon brush for electric machine | |
| US427674A (en) | Carbon brush for motors | |
| US2411060A (en) | Contact element | |
| US482177A (en) | Electrical conductor | |
| GB118520A (en) | Improvements in Carbon Brushes and Brush Holders of Electric Motors and Generators. | |
| US641012A (en) | Brush for dynamo-electric machines. | |
| US573105A (en) | Collecting-brush | |
| US2543301A (en) | Electrical contact brush | |
| US2141307A (en) | Commutator | |
| US518913A (en) | Commutator-brush | |
| US1541609A (en) | Contact brush for electric motors and generators | |
| US2406262A (en) | Current collector | |
| RU2813360C1 (en) | Current collector for commutator-brush assembly of traction electric machine |