Patent ID: 9438013
Filing Date: 2016-09-06
CPC Classification: H02B

Claim Text:
1. A drive assembly for an electrical apparatus racking assembly, said racking assembly including a carriage assembly structured to be movably disposed in an electrical apparatus housing assembly, said carriage assembly structured to be moved between a first position and a second position, said housing assembly including a number of sidewalls defining a substantially enclosed space, wherein said motor assembly includes an electric motor including a power line and a rotating output shaft, said drive assembly comprising: a positioning assembly, said positioning assembly structured to impart movement to said carriage assembly and to move said carriage assembly from said first position to said second position; a motor assembly, said motor assembly structured to impart movement to said positioning assembly; a control assembly, said control assembly structured to control said motor assembly; said control assembly in electronic communication with said motor assembly; said motor assembly operatively coupled to said positioning assembly; said control assembly includes a control circuit, an output assembly and a number of sensors; said control circuit in electronic communication with said output assembly, said number of sensors, and said motor assembly; said control circuit structured to control said motor assembly; said number of sensors include a current sensor and a torque sensor; said current sensor structured to detect a current and to provide an output signal relating to said detected current; said current sensor coupled to, and structured to detect the current in, said electric motor power line; said torque sensor structured to detect the torque in a rotating shaft and to provide an output signal relating to said detected torque; and said torque sensor coupled to, and structured to detect the torque in, said electric motor output shaft.