Featured patents

Motor Control Device
US 08853982 B2, Oct. 7, 2014, Sensorless feedback circuit, Noriyasu Hasegawa et al. / Mitsubishi Electric Corporation (Tokyo, JP)
A motor control device including a feedback control system that generates…

Driving Apparatus for Multiplex-Winding Motor
US 08853981 B2, Oct. 7, 2014, Having protection means, Tetsuya Kojima / Mitsubishi Electric Corporation (Tokyo, JP)
A driving apparatus for a multiplex-winding motor, the driving apparatus driving…

Voltage Regulator and Cooling Control Integrated Circuit
US 08786237 B2, July 22, 2014, Responsive to thermal conditions, Tetsuo Sato et al. / Renesas Electronics America Inc. (Santa Clara, US)
An apparatus, comprising:…

Synchronous-Machine Starting Device
US 08872466 B2, Oct. 28, 2014, Responsive to rotor shaft position or speed, Akinobu Ando et al. / Toshiba Mitsubishi-Electric Industrial Systems Corporation (Tokyo, JP)
A synchronous-machine starting device for starting a synchronous machine…

Electric Manipulator Joint
US 08760100 B2, June 24, 2014, Limitation of Motor Load, Current, Torque or Force, William Robertson et al. / Oceaneering International, Inc. (Houston, US)
A manipulator joint, comprising:…

Apparatus and Method for Determining Speed of an Induction Motor
US 08736210 B2, May 27, 2014, Voltage injection detection, Raymond John Peto
An apparatus for determining the speed of an induction motor, the motor includes…

Cooled Motor
US 08723468 B2, May 13, 2014, In or about the motor being controlled, John O'Rourke / Aurora Office Equipment Co., Ltd. (Shanghai, CN)
A motor, comprising:…

Robot Confinement
US 08686679 B2, April 1, 2014, Program- or pattern-controlled systems, Joseph L. Jones et al. / iRobot Corporation (Bedford, US)
A robot navigation system, comprising:…

Synchronous-Machine Starting Device
US 08531144 B2, Sept. 10, 2013, Voltage injection detection, Shinzo Tamai et al. / Toshiba Mitsubishi-Electric Industrial Systems Corporation (Tokyo, JP)
A synchronous-machine starting device comprising:…

Electric Motor Stator Winding Temperature Estimation
US 08487575 B2, July 16, 2013, Responsive to thermal conditions, Steven E. Schulz et al. / GM Global Technology Operations LLC (Detroit, US)
A method comprising the steps of:…

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