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Class Information
Number: 318/158
Name: Electricity: motive power systems > Generator-fed motor systems having generator control > Generator field circuit control
Description: Subject matter in which means are provided for controlling the field circuit of the generator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7531974 |
Apparatus and method for controlling a motor |
May. 12, 2009 |
| 7081725 |
Power electronics apparatuses for double-fed induction generator to induction motor drive system |
Jul. 25, 2006 |
| 6977475 |
Automotive electric power supply apparatus |
Dec. 20, 2005 |
| 6888329 |
Control method of dynamo-electric machine for vehicle |
May. 3, 2005 |
| 6731081 |
Vehicle alternator having rectifier circuit using diode and FET |
May. 4, 2004 |
| 6392371 |
Universal frequency electrical generator |
May. 21, 2002 |
| 6133702 |
Multi-function vehicle starter and alternator and method therefor |
Oct. 17, 2000 |
| 5998944 |
Method and apparatus for controlling a lifting magnet of a materials handling machine |
Dec. 7, 1999 |
| 5977730 |
Method and apparatus for controlling the flow of hydraulic fluid |
Nov. 2, 1999 |
| 5959416 |
Method and apparatus for controlling a lifting magnet of a materials handling machine |
Sep. 28, 1999 |
| 5767636 |
Vehicle power generating apparatus |
Jun. 16, 1998 |
| 5473228 |
Control method for electrical appliance in hybrid vehicle |
Dec. 5, 1995 |
| 5137119 |
Adaptive digital armature current control method for ward-leonard elevator drives using an SCR generator field converter |
Aug. 11, 1992 |
| 4982123 |
Integrated exciter generator and rotating transformer |
Jan. 1, 1991 |
| 4939441 |
Excitation system for a brushless generator having separate AC and DC exciter field windings |
Jul. 3, 1990 |
| 4751978 |
Electric assist steering system with alternator power source |
Jun. 21, 1988 |
| 4709203 |
On board power supply particularly for a ship propelled by a variable speed diesel engine |
Nov. 24, 1987 |
| 4543513 |
Method and an apparatus for controlling a.c. rotating machinery power plants |
Sep. 24, 1985 |
| 4494050 |
System for supression of underdamped oscillations in ac power drawn by synchronous motors driving Ward-Leonard generators |
Jan. 15, 1985 |
| 4383213 |
Triodyne |
May. 10, 1983 |
| 4323830 |
DC Motor control using motor-generator set with controlled generator field |
Apr. 6, 1982 |
| 4292531 |
Electrical propulsion process and system for a traction vehicle with an on-board source of power |
Sep. 29, 1981 |
| 4232255 |
Delivery control system for vehicle-mounted spreader |
Nov. 4, 1980 |
| 4179729 |
Rotary electric machine and power conversion system using same |
Dec. 18, 1979 |
| 4164785 |
Multiphase to single phase and frequency converter system |
Aug. 14, 1979 |
| 3967171 |
Propulsion control system for electrically powered vehicles |
Jun. 29, 1976 |
| 3953775 |
Propulsion control system for electrically powered vehicles |
Apr. 27, 1976 |
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