Electricity: motive power systems – Constant motor current – load and/or torque control
Reexamination Certificate
2011-03-22
2011-03-22
Ip, Paul (Department: 2837)
Electricity: motive power systems
Constant motor current, load and/or torque control
C318S139000, C318S727000, C318S807000, C180S065100, C180S065310
Reexamination Certificate
active
07911167
ABSTRACT:
A control device of a vehicle motor includes a temperature sensor that detects a temperature of each coil, each coil supplying an alternating current to a corresponding phase of the motor and a controller that controls a torque of the vehicle motor; detects a stalled state of a vehicle; detects a current phase angle of the vehicle motor; and selects one of the temperatures detected by the temperature sensor based on a detected current phase angle, wherein the torque of the vehicle motor is reduced when the stalled state of the vehicle is detected and when a selected temperature exceeds a restrictive temperature.
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Aisin Aw Co. Ltd.
Ip Paul
Oliff & Berridg,e PLC
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