Electricity: motive power systems – Constant motor current – load and/or torque control
Patent
1999-02-19
2000-05-09
Ro, Bentsu
Electricity: motive power systems
Constant motor current, load and/or torque control
318268, 318514, 318696, H02P 728, H02P 814
Patent
active
060608498
ABSTRACT:
A current control system for electric motor is disclosed. The system includes a controller, switches, and resistors. The system is located between the power source and the motor. These resistors are in series with the motor and in parallel to each other. These resistors are employed to change the total resistance between power source and motor, and the current is adjusted when the total resistance is changed. Each a specific resistance value is applied to adjust current, and the specific resistance value is provided by variety number(s) resistors. The controller controls all switches that connect to resistors. According to the working condition of motor, controller chooses corresponding resistors to adjust current. The current consumed by electric motor is varied in different case, but the net consumed current of motor and resistors is controlled and fixed in a predetermined region. In addition, the selection from among resistors must balance the requirements of control current quantity and provide motor enough power.
REFERENCES:
patent: 3815001 (1974-06-01), Jamieson
patent: 4225812 (1980-09-01), Kraus
patent: 4458185 (1984-07-01), Matty et al.
patent: 4520279 (1985-05-01), Glennon
patent: 4992709 (1991-02-01), Griffin
patent: 5267835 (1993-12-01), Schabdach et al.
patent: 5323095 (1994-06-01), Kumar
Lin Vincent
Tai Gene
Mustek Systems Inc.
Ro Bentsu
LandOfFree
Current control system for an electric motor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Current control system for an electric motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Current control system for an electric motor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1068260