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Class Information
Number: 318/430
Name: Electricity: motive power systems > Motor load, armature current or force control during starting and/or stopping
Description: Subject matter in which means are provided for controlling the mechanical load actuated by the motor or for controlling the motor armature or primary current, torque or force during the starting and/or the stopping period of the motor.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622876 |
Overload prevention device for permanent magnet DC motors |
Nov. 24, 2009 |
| 7622877 |
Method and system for controlling permanent magnet AC machines |
Nov. 24, 2009 |
| 7617896 |
Control device for an electric vehicle |
Nov. 17, 2009 |
| 7613525 |
Disk device for serial communication and method of controlling the same |
Nov. 3, 2009 |
| 7612510 |
Pump controller system and method |
Nov. 3, 2009 |
| 7610981 |
Driving mode switching apparatus for four-wheel-drive vehicle |
Nov. 3, 2009 |
| 7609016 |
Systems and methods for driving a motor |
Oct. 27, 2009 |
| 7567049 |
Fluid flow control for fluid handling systems |
Jul. 28, 2009 |
| 7567401 |
Method and apparatus for controlling motor rotation in hard disk drive |
Jul. 28, 2009 |
| 7560885 |
Method and apparatus for controlling motor |
Jul. 14, 2009 |
| 7550939 |
Redundant instantaneous trip detection |
Jun. 23, 2009 |
| 7538503 |
Hand-held power tool, in particular a trimmer or the like, having an electric drive motor |
May. 26, 2009 |
| 7525266 |
Inverter loop latch with integrated AC detection reset |
Apr. 28, 2009 |
| 7518837 |
Control device for soft starting and protecting overload of motor |
Apr. 14, 2009 |
| 7511474 |
DC motor phase detection method for determining a distance traveled by a load |
Mar. 31, 2009 |
| 7508149 |
Oil pump systems and methods for preventing torque overload in motors of oil pump systems |
Mar. 24, 2009 |
| 7501787 |
Method for controlling AC motor |
Mar. 10, 2009 |
| 7477031 |
Control device for hybrid electric vehicle |
Jan. 13, 2009 |
| 7466094 |
Motor driving apparatus, and initial driving method for three-phase motor |
Dec. 16, 2008 |
| 7459876 |
Motors and control methods thereof |
Dec. 2, 2008 |
| 7453221 |
System for controlling rotation of a disk drive |
Nov. 18, 2008 |
| 7450355 |
Power supply apparatus with function of detecting abnormality of current sensor |
Nov. 11, 2008 |
| 7420343 |
Current limiting DC motor starter circuit |
Sep. 2, 2008 |
| 7411366 |
Electric power-assist system for manually-operated vehicle |
Aug. 12, 2008 |
| 7400466 |
Method and apparatus for driving spindle motor using adaptive feedforward control |
Jul. 15, 2008 |
| 7388411 |
Semiconductor integrated circuit device and semiconductor integrated circuit system |
Jun. 17, 2008 |
| 7382104 |
Backpack style power-pack with flexible drive and quick connect power take-off for connection to a variety of powered tools |
Jun. 3, 2008 |
| 7382105 |
Motor driving device and electric power steering apparatus |
Jun. 3, 2008 |
| 7375482 |
Driving device of motor |
May. 20, 2008 |
| 7368886 |
Method of testing motor torque integrity in a hybrid electric vehicle |
May. 6, 2008 |
| 7348744 |
Brushless DC motor drive apparatus |
Mar. 25, 2008 |
| 7339414 |
Method and circuit arrangement for monitoring the mode of operation of one or more load circuits, especially of a domestic appliance |
Mar. 4, 2008 |
| 7334854 |
Sensorless start-up method for driving a brushless DC motor |
Feb. 26, 2008 |
| 7298107 |
Barrier operator controller with user adjustable force setpoint |
Nov. 20, 2007 |
| 7298103 |
Control and motor arrangement for use in model train |
Nov. 20, 2007 |
| 7294988 |
Synchronous motor drive unit and a driving method thereof |
Nov. 13, 2007 |
| 7282817 |
Electrical circuit arrangement for controlling an electromotor in a motor vehicle |
Oct. 16, 2007 |
| 7276870 |
Arrangement for overload protection and method for reducing the current consumption in the event of mains voltage fluctuations |
Oct. 2, 2007 |
| 7271559 |
Method and switching apparatus for recording the current in an electrical device |
Sep. 18, 2007 |
| 7272479 |
Electrically operated power steering controller and adjusting method of driving electric current offset in this controller |
Sep. 18, 2007 |
| 7268509 |
Electric driven tool device |
Sep. 11, 2007 |
| 7265515 |
Starter for a line start electric motor |
Sep. 4, 2007 |
| 7265505 |
Control apparatus for selectively driving plural stator windings of synchronous motor |
Sep. 4, 2007 |
| 7239103 |
Synchronous motor startup lock detection circuit and method |
Jul. 3, 2007 |
| 7239098 |
Digital adaptive sensorless commutational drive controller for a brushless DC motor |
Jul. 3, 2007 |
| 7230399 |
Vehicular generator-motor system |
Jun. 12, 2007 |
| 7230397 |
Sensorless motor driving device |
Jun. 12, 2007 |
| 7227391 |
Semiconductor integrated circuit device and semiconductor integrated circuit system |
Jun. 5, 2007 |
| 7226069 |
Power-assisted steering system and difference compensating method for current detector |
Jun. 5, 2007 |
| 7227324 |
Parking brake and method for controlling the same |
Jun. 5, 2007 |
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