CARBON RECTIFIER AND CARBON BRUSH FOR FUEL PUMP, AND FUEL PUMP WITH BUILT-IN CARBON RECTIFIER AND CARBON BRUSH

PROBLEM TO BE SOLVED: To provide a carbon rectifier and a carbon brush for a fuel pump, capable of attaining excellent sliding characteristics and wear resistant characteristics and a fuel pump with built-in carbon rectifier and carbon brush. SOLUTION: The carbon rectifier is intended for use in the fuel pump which is constituted so that a contact section which is brought into contact with at least the brush may include amorphous carbon. The contents of the amorphous carbon are 0.2 wt.% or more and less than 5 wt.%. Besides, the carbon brush for the fuel pump is constituted including the amorphous carbon slides in contact with the carbon rectifier. The contents of the amorphous carbon are 0.2 wt.% or more and 5 wt.%. Besides, the fuel pump includes the carbon rectifier and carbon brush of the above structure. COPYRIGHT: (C)2009,JPO&INPIT