| 摘要 |
The invention relates to an earth pickup circuit for DC motor carbon brush connection. It comprises at least one metallic plate (2) exhibiting at each of its ends an electrical contact zone (21, 22) placed in electrical contact with the casing of the motor, connected to the earth of the motor, and a first (C1) and a second (C2) decoupling capacitor, of which a first branch is connected electrically to the metallic plate (2) and of which a second branch is connected electrically to the connection pad (P+) at the positive terminal respectively to the connection pad (P-) at the negative terminal of a battery power supply. Application to the manufacture of motors of the windscreen wiper motor type for automotive vehicles. |
