Claims
- 1. An electrical device comprising as a part thereof a carbon electrical commutator brush impregnated with 0.5 to 15 weight percent of a linear non-crosslinked liquid siloxane selected from the group consisting of polyethersiloxane and polymethylsiloxane, wherein the polyethersiloxane has the following structure: ##STR4##
- 2. An electrical device comprising as a part thereof a carbon electrical commutator brush impregnated with 0.5 to 15 weight percent of a linear non-crosslinked liquid siloxane selected from the group consisting of polyethersiloxane and polymethylsiloxane, wherein the polymethylsiloxane has the following structure:
- 3. An electrical device comprising as a part thereof a carbon electrical commutator brush impregnated with 0.5 to 15 percent by weight of a linear non-crosslinked liquid siloxane selected from the group consisting of polyethersiloxane and polymethylsiloxane, wherein the polymethylsiloxane has the following structure:
- 4. An electrical device comprising as a part thereof a carbon electrical commutator brush impregnated with 0.5 to 15 weight percent of a linear non-crosslinked liquid siloxane wherein the siloxane has the following structure:
Priority Claims (1)
Number |
Date |
Country |
Kind |
43 30 547 |
Sep 1993 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 08/301,392 filed on Sep. 8, 1994, now abandoned.
US Referenced Citations (4)
Non-Patent Literature Citations (2)
Entry |
Derwent Abstracts 86-070084, "Preventing Interference Sparking at Brushes in Electrical Machines". |
Chemical Abstracts 105:125549, "Impregnated Carbon Brush for Electric Apparatus". |
Continuations (1)
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Number |
Date |
Country |
Parent |
301392 |
Sep 1994 |
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