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Class Information
Number: 318/148
Name: Electricity: motive power systems > Generator-fed motor systems having generator control > Alternating-current-motor system
Description: Subject matter in which the motor is an alternating current motor (i.e., a motor which operates when the armature or primary circuit is supplied with alternating current) and in which the generator supplies an alternating current to the armature or primary circuit of the motor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615948 |
Controller for motor and control method for motor |
Nov. 10, 2009 |
| 7609022 |
Power supply system for vehicle with improved energy efficiency and vehicle including the same |
Oct. 27, 2009 |
| 7605552 |
Control apparatus for electric vehicles |
Oct. 20, 2009 |
| 7541758 |
MOS rectifying device, driving method thereof, and motor generator and motor vehicle using thereof |
Jun. 2, 2009 |
| 7495399 |
Power output apparatus and vehicle including the same |
Feb. 24, 2009 |
| 7395143 |
Transmission system with a continuously variable transmission ratio |
Jul. 1, 2008 |
| 7218068 |
Power source for re-circulation pump and method of controlling the same |
May. 15, 2007 |
| 7218070 |
System and method for braking a motor of a propulsion unit |
May. 15, 2007 |
| 7064503 |
Active noise compensation |
Jun. 20, 2006 |
| 6969923 |
Engine start control device, engine start control method and recording medium having program recorded thereon for implementing engine start control method |
Nov. 29, 2005 |
| 6949897 |
Control device for hybrid vehicle |
Sep. 27, 2005 |
| 6864648 |
Vector flux machine |
Mar. 8, 2005 |
| 6472845 |
Motor/generator device |
Oct. 29, 2002 |
| 6465979 |
Series compensation of electric alternating current machines |
Oct. 15, 2002 |
| 6351090 |
Device for starting a gas turbine in an aircraft |
Feb. 26, 2002 |
| 6320350 |
Modulation control type of AC machine |
Nov. 20, 2001 |
| 6201331 |
Motor/generator |
Mar. 13, 2001 |
| 6198238 |
High phase order cycloconverting generator and drive means |
Mar. 6, 2001 |
| 6031352 |
Active alternator load circuit |
Feb. 29, 2000 |
| 6020712 |
Rotor control for synchronous AC machines |
Feb. 1, 2000 |
| 5796224 |
Control system for electric vehicle |
Aug. 18, 1998 |
| 5789882 |
Vehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive mode |
Aug. 4, 1998 |
| 5714851 |
Serial hybrid drive arrangement for a motor vehicle |
Feb. 3, 1998 |
| 5642021 |
Method and system for controlling an alternator to optimize direct current output |
Jun. 24, 1997 |
| 5589743 |
Integrated cranking inverter and boost converter for a series hybrid drive system |
Dec. 31, 1996 |
| 5550444 |
Device and process for the reversible storage of electric energy by its reversible conversion to kinetic energy |
Aug. 27, 1996 |
| 5428274 |
Drive control apparatus of series hybrid vehicle |
Jun. 27, 1995 |
| 5351775 |
Method for propelling and retarding off-road haulers |
Oct. 4, 1994 |
| 5103923 |
Method and apparatus for propelling and retarding off-road haulers |
Apr. 14, 1992 |
| 4359210 |
Temperature control apparatus |
Nov. 16, 1982 |
| 4338525 |
Marine propulsion system |
Jul. 6, 1982 |
| 4323830 |
DC Motor control using motor-generator set with controlled generator field |
Apr. 6, 1982 |
| 4114555 |
Apparatus for and method of interconnecting and controlling units of a power train for maximum flexibility and economy in operating auxilliary marine vessels |
Sep. 19, 1978 |
| 3997824 |
Electrical propulsion system and control arrangements therefor |
Dec. 14, 1976 |
| 3993912 |
Marine propulsion system |
Nov. 23, 1976 |
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