IT1080124B - Impregnated carbon brush for electric machines - uses non-melting grease or wax or high viscosity oil - Google Patents
Impregnated carbon brush for electric machines - uses non-melting grease or wax or high viscosity oilInfo
- Publication number
- IT1080124B IT1080124B IT5075677A IT5075677A IT1080124B IT 1080124 B IT1080124 B IT 1080124B IT 5075677 A IT5075677 A IT 5075677A IT 5075677 A IT5075677 A IT 5075677A IT 1080124 B IT1080124 B IT 1080124B
- Authority
- IT
- Italy
- Prior art keywords
- carbon brush
- wax
- high viscosity
- melting
- viscosity oil
- Prior art date
Links
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The carbon brush has improved contact characteristics and an increased wear resistance. A non-melting grease and/or wax and/or a high viscosity oil are used as impregnants. The used impregnant may be of synthetic, mineral, animal, or vegetable origin and it is thoroughly mixed with a gelling agent of inorganic and/or organic base. The specified mixing transforms the base material into non-melting or non-flowing, harder and more wear resistant condition. The gelling agent may consist of montmorillonite flakes whose surfaces are coated with long chain hydrocarbons. Improving additives may contain metal sulphides, metal oxides and PTFE powder. The impregnant may form 1 to 25% wt. of the finished carbon brush.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT5075677A IT1080124B (en) | 1977-08-23 | 1977-08-23 | Impregnated carbon brush for electric machines - uses non-melting grease or wax or high viscosity oil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT5075677A IT1080124B (en) | 1977-08-23 | 1977-08-23 | Impregnated carbon brush for electric machines - uses non-melting grease or wax or high viscosity oil |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1080124B true IT1080124B (en) | 1985-05-16 |
Family
ID=11273647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5075677A IT1080124B (en) | 1977-08-23 | 1977-08-23 | Impregnated carbon brush for electric machines - uses non-melting grease or wax or high viscosity oil |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1080124B (en) |
-
1977
- 1977-08-23 IT IT5075677A patent/IT1080124B/en active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960612 |