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Class Information
Number: 318/431
Name: Electricity: motive power systems > Motor load, armature current or force control during starting and/or stopping > Initial, "cracking" or "starting from rest" torque control
Description: Subject matter in which means are provided for controlling the motor torque at the instant of starting in order to insure that the motor torque is great enough to overcome the starting-from-rest or static friction opposition to motor movement.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595601 |
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| 7595603 |
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Sep. 29, 2009 |
| 7560885 |
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Jul. 14, 2009 |
| 7477032 |
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Jan. 13, 2009 |
| 7368886 |
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May. 6, 2008 |
| 7342379 |
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Mar. 11, 2008 |
| 7342366 |
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Mar. 11, 2008 |
| 7339337 |
Power plant |
Mar. 4, 2008 |
| 7298104 |
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Nov. 20, 2007 |
| 7294988 |
Synchronous motor drive unit and a driving method thereof |
Nov. 13, 2007 |
| 7272479 |
Electrically operated power steering controller and adjusting method of driving electric current offset in this controller |
Sep. 18, 2007 |
| 7265515 |
Starter for a line start electric motor |
Sep. 4, 2007 |
| 7208893 |
Motor driving control device to be driven at interval of constant time |
Apr. 24, 2007 |
| 7205737 |
Systems and methods of monitoring a motor load |
Apr. 17, 2007 |
| 7193387 |
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Mar. 20, 2007 |
| 7166978 |
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Jan. 23, 2007 |
| 7161314 |
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Jan. 9, 2007 |
| 7116073 |
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Oct. 3, 2006 |
| 7088068 |
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Aug. 8, 2006 |
| 7071640 |
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Jul. 4, 2006 |
| 7023158 |
Motor control apparatus |
Apr. 4, 2006 |
| 7005814 |
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Feb. 28, 2006 |
| 6987373 |
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Jan. 17, 2006 |
| 6979972 |
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Dec. 27, 2005 |
| 6917178 |
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Jul. 12, 2005 |
| 6873125 |
Motor driving apparatus and motor using the same |
Mar. 29, 2005 |
| 6856108 |
Switched reluctance motor and initial activating method thereof |
Feb. 15, 2005 |
| 6774592 |
Method and system for controlling a permanent magnet machine |
Aug. 10, 2004 |
| 6774590 |
Method for starting an electric brushless rotating machine for driving an internal combustion engine |
Aug. 10, 2004 |
| 6737828 |
Washing machine motor drive device |
May. 18, 2004 |
| 6696804 |
Electronically commutatable motor comprising an electronic control unit |
Feb. 24, 2004 |
| 6664749 |
Spindle motor initialization after a control processor reset condition in a disc drive |
Dec. 16, 2003 |
| 6653811 |
Switched reluctance motor and method and apparatus for aligning the rotor thereof |
Nov. 25, 2003 |
| 6653807 |
Starter control system for automotive vehicle |
Nov. 25, 2003 |
| 6642681 |
Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatus |
Nov. 4, 2003 |
| 6624606 |
Drive control circuit for three-phase brushless motor, motor-driven blower and electric vacuum cleaner |
Sep. 23, 2003 |
| 6573674 |
Circuit for controlling a load to be supplied by an alternating current voltage |
Jun. 3, 2003 |
| 6566830 |
Method and system for controlling a permanent magnet machine |
May. 20, 2003 |
| 6563286 |
Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus |
May. 13, 2003 |
| 6555987 |
Step motor control for accommodating friction load variation |
Apr. 29, 2003 |
| 6528965 |
Drive circuit of brushless motor |
Mar. 4, 2003 |
| 6516767 |
Method for gradually driving a motor vehicle starter switch |
Feb. 11, 2003 |
| 6505132 |
High-precision instantaneously generated torque detection device for three-phase motor |
Jan. 7, 2003 |
| 6498446 |
System and method for optimizing torque in a polyphase disk drive motor |
Dec. 24, 2002 |
| 6465975 |
Method and system for controlling torque in permanent magnet brushless electric motors |
Oct. 15, 2002 |
| 6441579 |
Current magnitude variation correction for open loop stepper motor driver circuit |
Aug. 27, 2002 |
| 6400109 |
Electronic commutated motor with commutation signal |
Jun. 4, 2002 |
| 6397294 |
Disk system and power-on sequence for the same |
May. 28, 2002 |
| 6377007 |
Motor torque control device of electric vehicle |
Apr. 23, 2002 |
| 6362582 |
Electronically commutated motor |
Mar. 26, 2002 |
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