Featured patents

Driver for Switching Element and Control System for Rotary Machine Using the Same
US 08829836 B2, Sept. 9, 2014, Having both high-side and low-side switching elements for plural-phase motor, Junichi Fukuta et al. / Denso Corporation (Kariya, JP)
A driver for driving a voltage-controlled switching element having a conductive…

Parameter Estimating Apparatus for Permanent Magnet Synchronous Motor Driving System
US 08829831 B2, Sept. 9, 2014, Vector control, An No Yoo / LSIS Co., Ltd. (Anyang-Si, Gyeonggi-Do, KR)
A parameter estimating apparatus for permanent magnet synchronous motor driving…

Power Factor Correction Circuits for Switched Reluctance Machines
US 08754605 B2, June 17, 2014, Hysteresis or reluctance motor systems, Krishnan Ramu / Regal Beloit America, Inc. (Beloit, US)
An electrical device comprising:…

Control Apparatus for Power Conversion System Including DC/AC Converter Connected Between Electric Rotating Machine and DC Power Source
US 08760096 B2, June 24, 2014, Power supply voltage feature, Hiroya Tsuji et al. / Denso Corporation (Kariya, JP)
A control apparatus for a power conversion system including a DC/AC converter…

Brushless Motor Driver and Brushless Motor System
US 08692491 B2, April 8, 2014, Comparator circuit or method, Shigeki Murai et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A brushless motor driver that drives a three-phase brushless motor, the brushless…

Motor Control Device That Controls D-Axis Current of Permanent Magnet Synchronous Motor
US 08698434 B2, April 15, 2014, Vector control, Youichi Akasako / Fanuc Corporation (Yamanashi, JP)
A motor control device comprising:…

Servomotor With Removable Subunits
US 08674643 B2, March 18, 2014, Positional Servo Systems, Etienne Bernard et al. / Bernard Controls (Gonesse, FR)
A servomotor including…

Secure Monitoring and Control Device for Aircraft Piloting Actuator
US 08604741 B2, Dec. 10, 2013, Monitoring systems, Jean-Louis Lebrun / Thales (Neuilly Sur-Seine, FR)
A monitoring and control device for an aircraft actuator, comprising:…

Control of a Traction Power Inverter Module in a Vehicle Having an Electric Traction Motor
US 08536818 B2, Sept. 17, 2013, Pulse-width modulated power input to motor, Mohammad N. Anwar et al. / GM Global Technology Operations LLC (Detroit, US)
A method for controlling a traction power inverter module (TPIM) in a vehicle…

Power Supply Apparatus and Power Supply Arrangement
US 08450952 B2, May 28, 2013, Plural, Diverse or Diversely Controlled Electric Motors, Jussi Lahteenmaki / Kone Corporation (Helsinki, FI)
A power supply apparatus, comprising:…

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