215288 ⎘
Rotary current collectors, distributors or interrupters; Details for dynamo electric machines characterised by the materials used, e.g. ceramics
Sub-classes:CARBON BRUSH UNIT FOR A DIRECT CURRENT-EXCITED BRUSHED MOTOR WITH TARGETED HEAT DISSIPATION
#2Discharge device
#3Aligned Carbon Nanotube Bulk Structure Having Portions Different in Density, Process for Producing The Same and Uses thereof
#4Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same