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CARBON COMMUTATOR AND CARBON BRUSH FOR FUEL PUMP, AND FUEL PUMP HAVING THE CARBON COMMUTATOR AND THE CARBON BRUSH INCORPORATED THEREIN
CARBON COMMUTATOR AND CARBON BRUSH FOR FUEL PUMP, AND FUEL PUMP HAVING THE CARBON COMMUTATOR AND THE CARBON BRUSH INCORPORATED THEREIN
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机译:用于燃料泵的碳换向器和碳刷,以及掺有碳换向器和碳刷的燃料泵
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摘要
The present invention provides a carbon commutator and a carbon brush for a fuel pump which have excellent slidability and abrasion resistance, and a fuel pump having the carbon commutator and the carbon brush incorporated therein. In the carbon commutator for a fuel pump, at least a contact portion to contact with a brush contains 0.2 to less than 5% by weight of an amorphous carbon. The carbon brush for a fuel pump to contact with and slide on the carbon commutator contains 0.2 to not more than 5% by weight of an amorphous carbon. The fuel pump includes the carbon commutator having the foregoing structure and the carbon brush having the foregoing structure.
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