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Class Information
Number: 318/800
Name: Electricity: motive power systems > Induction motor systems > Primary circuit control > Responsive to motor condition > Responsive to speed or rotation phase angle > With controlled power conversion
Description: Subject matter wherein the circuit connected to the primary member of the motor includes a power conversion means controlled by the speed or rotational phase angle responsive means.

Sub-classes under this class:

Class Number Class Name Patents
318/801 Including inverter 915

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8704482 Power conversion device Apr. 22, 2014
8681457 Power source system for electric powered vehicle and control method therefor Mar. 25, 2014
8669733 Engine power supply circuit, and flight control member provided with such a circuit Mar. 11, 2014
8659248 Drive device for electric power conversion circuit Feb. 25, 2014
8653841 Method and apparatus for monitoring a high-voltage electrical circuit including a discharge circuit Feb. 18, 2014
8648556 Device for control of a PMSM Feb. 11, 2014
8633669 Electrical circuit for controlling electrical power to drive an inductive load Jan. 21, 2014
8624530 Systems and methods for transmission of electric power to downhole equipment Jan. 7, 2014
8614555 System and method for energy capture and distribution Dec. 24, 2013
8593101 Power converting device with reduced switching loss Nov. 26, 2013
8587279 Power conversion apparatus Nov. 19, 2013
8587249 Power unit for electric vehicle Nov. 19, 2013
8587248 Method for controlling a polyphase converter with distributed energy stores at low output frequencies Nov. 19, 2013
8587239 Apparatus and method for sensorless identification of rotating electrical equivalent circuit parameters of a three-phase asynchronous motor Nov. 19, 2013
8581541 Motor drive with configurable signal conditioning apparatus and method Nov. 12, 2013
8575885 Motor drive system, control method of motor drive system, and traveling device Nov. 5, 2013
8575884 Motor drive control system enabling connection of direct current/alternating current conversion device Nov. 5, 2013
8575883 Power unit for electric vehicle Nov. 5, 2013
8575882 Power layer generation of inverter gate drive signals Nov. 5, 2013
8558499 Controller apparatus for electric vehicle Oct. 15, 2013
8553432 Power transmission method and power transmission apparatus Oct. 8, 2013
8519663 Power supply system for an element, among a rotor and a stator of an electric machine, and method for controlling such system Aug. 27, 2013
8513911 Power converters Aug. 20, 2013
8508181 Adjustable frequency drive and system Aug. 13, 2013
8487563 Drive motor control apparatus for vehicle, motor control system, method for correcting rotation angle of motor, program for performing the same, rotation detecting apparatus Jul. 16, 2013
8487568 Circuit arrangement for an electric drive Jul. 16, 2013
8482245 Power conversion device Jul. 9, 2013
8476862 Power supply controller Jul. 2, 2013
8471519 Control device and control method for AC motor Jun. 25, 2013
8471518 Power conversion device Jun. 25, 2013
8456115 Method and system for controlling an electric motor with variable switching frequency at variable operating speeds Jun. 4, 2013
8456128 Multi output inverter Jun. 4, 2013
8446117 Methods, systems and apparatus for adjusting duty cycle of pulse width modulated (PWM) waveforms May. 21, 2013
8441224 Driving apparatus for a vehicle-mounted electric motor May. 14, 2013
8441225 Direct-current to three-phase alternating-current inverter system May. 14, 2013
8415908 Driving apparatus for electric motor and related method Apr. 9, 2013
8410745 Controller for motor, and vehicle Apr. 2, 2013
8410744 Motor driving apparatus Apr. 2, 2013
8410742 Operating a synchronous motor having a permanent magnet rotor Apr. 2, 2013
8397847 Electric power converter for vehicle Mar. 19, 2013
8390227 Electric power control system and efficiency optimization process for a polyphase synchronous machine Mar. 5, 2013
8390238 Softstarter for controlling an asynchronous three-phase motor Mar. 5, 2013
8384335 Motor driving apparatus having DC link voltage regulating function Feb. 26, 2013
8373367 Dynamo-electric machine control system and vehicle driving system including the same Feb. 12, 2013
8368330 Energy-recovery device in a variable speed drive Feb. 5, 2013
8368342 Apparatus and method for generating electromagnetic torque in an electric machine Feb. 5, 2013
8368343 Motor control device Feb. 5, 2013
8369049 Method for shutting down an electric machine in the event of a malfunction Feb. 5, 2013
8362738 Determination of the position of the rotor of an electric machine Jan. 29, 2013
8354816 Power module layout for automotive power converters Jan. 15, 2013

1 2 3 4 5 6 7 8 9 10 11

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