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Class Information
Number: 318/98
Name: Electricity: motive power systems > Plural, diverse or diversely controlled electric motors > Load control
Description: Subject matter in which means are provided for controlling the magnitude of the load which is driven or actuated by the motors, or for otherwise controlling the magnitude or amount of work done by the motors; or for controlling the division of load or current between the motors.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7308383 |
System and method for providing electrical system monitoring and diagnosis |
Dec. 11, 2007 |
| 7265505 |
Control apparatus for selectively driving plural stator windings of synchronous motor |
Sep. 4, 2007 |
| 7199534 |
Electric jack stroke limit detection method and device |
Apr. 3, 2007 |
| 7190146 |
Control system and method for an overhead bridge crane |
Mar. 13, 2007 |
| 7123462 |
Load control device |
Oct. 17, 2006 |
| 7026771 |
Motor control apparatus and electric appliance using the same |
Apr. 11, 2006 |
| 6903526 |
Electronically commutated DC motor comprising a bridge circuit |
Jun. 7, 2005 |
| 6838839 |
Electric circuit of electric vehicle |
Jan. 4, 2005 |
| 6771036 |
Position control method and position control system for drive feed equipment |
Aug. 3, 2004 |
| 6577095 |
Brushless alternating current electric servo motor drive |
Jun. 10, 2003 |
| 6342768 |
Displacement apparatus arranged for guiding a carrying device along at least two rails |
Jan. 29, 2002 |
| 6259222 |
Device and method for regulating maximum loading on an electric motor in an aggregate feed replenishing system |
Jul. 10, 2001 |
| 5942862 |
Power output apparatus and method of controlling the same |
Aug. 24, 1999 |
| 5939846 |
AC motorized wheel control system |
Aug. 17, 1999 |
| 5874813 |
Control method, especially for load balancing of a plurality of electromotor drives |
Feb. 23, 1999 |
| 5625262 |
System for equalizing the load of a plurality of motors |
Apr. 29, 1997 |
| 5384520 |
Balanced drive motors with cross-coupled excitation |
Jan. 24, 1995 |
| 5204591 |
Device for controlling at least one electronic servomotor with high power from a low-voltage network, in particular for motorizing a turret on a tank |
Apr. 20, 1993 |
| 5004966 |
Computer activated reward dispensing machine |
Apr. 2, 1991 |
| 4987351 |
Load-based control of an AC motor |
Jan. 22, 1991 |
| 4983892 |
Mechanism for controlling electrically driven antenna |
Jan. 8, 1991 |
| RE33314 |
Vending machine power switching apparatus |
Aug. 28, 1990 |
| 4822185 |
Driving method of a printing apparatus employing a non-stabilized power source |
Apr. 18, 1989 |
| 4788476 |
Machine for lapping two curved-tooth bevel gears |
Nov. 29, 1988 |
| 4683786 |
Numerically controlled lathe |
Aug. 4, 1987 |
| 4604557 |
Vending machine power switching apparatus |
Aug. 5, 1986 |
| 4559482 |
Automotive rim roll forming drive system |
Dec. 17, 1985 |
| 4556826 |
Inching supply torque control |
Dec. 3, 1985 |
| 4511826 |
Control apparatus for metal saw cutter |
Apr. 16, 1985 |
| 4496883 |
Electric inching impulse control |
Jan. 29, 1985 |
| 4482848 |
Controllable power source |
Nov. 13, 1984 |
| 4357561 |
Automotive rim roll forming drive system |
Nov. 2, 1982 |
| 4320327 |
Automotive rim roll forming drive system |
Mar. 16, 1982 |
| 4248054 |
Refrigeration system with load balancing control for at least three centrifugal compressors |
Feb. 3, 1981 |
| 4208620 |
Plural electric motors driving common load and having interconnections for load control |
Jun. 17, 1980 |
| 4157671 |
Drive for cutting rollers of paper shredding or cutting apparatus |
Jun. 12, 1979 |
| 4152902 |
Control for refrigeration compressors |
May. 8, 1979 |
| 4110668 |
Thyristor pulse controller for plural loads |
Aug. 29, 1978 |
| 4057228 |
Mixing of materials |
Nov. 8, 1977 |
| 4056759 |
Driving system for moving paths or escalators |
Nov. 1, 1977 |
| 4051675 |
Drives incorporating variable filling fluid couplings |
Oct. 4, 1977 |
| 4012674 |
Dual motor web material transport system |
Mar. 15, 1977 |
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