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| Number | Title | Issue Date |
| 7317295 | Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle An electric four-wheel drive vehicle includes: an internal combustion engine; a generator for outputting DC electrical power; an inverter for converting DC electrical power, output from the generator, into AC electrical power; and an AC electric motor, which is driv... | 01/08/2008 |
| 7180200 | Starter system for portable internal combustion engine electric generators using a portable universal battery pack A generator starting system utilizes a portable universal battery pack to start an internal combustion engine of the generator. The system is adapted to utilize any one of a plurality of universal battery packs having outputs of varying voltage. The generator can in... | 02/20/2007 |
| 7134261 | Hybrid type working machine In the working machine wherein the output of an engine generator is directly supplied to a motor for travel without using the intermediary of a battery, preventing the engine from slowing down. The generator G is directly connected to the motor 7 and there is... | 11/14/2006 |
| 7042110 | Variable speed distributed drive train wind turbine system A variable speed wind turbine employing a rotor connected to a multiplicity of synchronous generators with wound field or permanent magnet rotors. A passive rectifier and an inverter are used for power transfer back to the grid. A Turbine Control Unit (TCU) commands... | 05/09/2006 |
| 6987369 | Motor assembly for providing an electrically powered engine A motor assembly includes a keyed on-off switch and at least one 12-volt battery coupled to the existing DC electrical system of the vehicle. A D.C. speed control unit regulates the current to a DC drive motor. A housing is positionable adjacent to a front or rear p... | 01/17/2006 |
| 6975080 | Rotating electrical machine for vehicle A rotating electrical machine for a vehicle is capable of improving the acceleration performance and the fuel mileage of the vehicle while achieving the prevention of occurrence of overvoltage and the improvement of its power generation characteristic at the same ti... | 12/13/2005 |
| 6949902 | Controller of rotating electric machine for vehicle A controller of a rotating electric machine for a vehicle has a magnetic field electric current command arithmetic device for commanding a magnetic field electric current by the command of a torque and electric power command arithmetic device, an electric power conv... | 09/27/2005 |
| 6949898 | Hybrid type working machine The output of an engine driven generator G is directly supplied to a motor 7 for travel without the intermediary of a battery. The output capacity of each of the generator G and motor 7 is determined so that the maximum output of the generator G may su... | 09/27/2005 |
| 6938713 | Dynamotor of hybrid vehicle, and method of control thereof The present invention is characterized by a hybrid car comprising a motor generator mechanically connected with the crank shaft of an internal combustion engine for driving a car wherein the internal combustion engine is started by electric power supplied by a batte... | 09/06/2005 |
| 6912451 | Control system for a redundant prime mover system The present invention provides a control system for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates the engine and t... | 06/28/2005 |
| 6867560 | Drive of rotary electric machine A rotary electric machine having a plurality of rotors is driven by a compound current. A voltage to be applied to a stator of the rotary electric machine is in the form of a compound rectangular or stepwise voltage composed of a plurality of superposed components e... | 03/15/2005 |
| 6864648 | Vector flux machine A motor that includes a stator that contains a first winding and a second winding driven by alternating currents. The rotor is arranged to rotate relative to the stator and contains a third winding and a fourth winding for generating a magnetic field with an amplitu... | 03/08/2005 |
| 6803734 | Method for eliminating fuel use during dynamic braking A dynamic braking system for a vehicle, the system comprising an engine, an alternator, a plurality of alternating current (AC) electric traction motors, each coupled in driving relationship to a respective one of a plurality of driven wheels, a plurality of power i... | 10/12/2004 |
| 6768278 | Gas turbine engine starter generator with switchable exciter stator windings A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that has its stator windings divided into a number of sections. A plurality of switches are electrically coupled to the exciter stator winding sections and are configured and c... | 07/27/2004 |
| 6611127 | Drive circuit for motor/generator A drive circuit for a motor/generator, having a first rotating electrical machine which is mainly used as a motor and a second rotating electrical machine which is mainly used as a generator, is characterized in that a booster circuit is disposed at a pos... | 08/26/2003 |
| 6603277 | Apparatus for controlling cooling fan for vehicle A cooling fan control circuit drives a brushless motor to rotate a cooling fan to cool a condenser and a radiator mounted on a vehicle when a drive signal is activated. In a situation where the brushless motor rotates at a rotational speed equal to or hig... | 08/05/2003 |
| 6573675 | Method and apparatus for adaptive energy control of hybrid electric vehicle propulsion A series type hybrid electric vehicle and method including a generator set having an internal combustion engine and a generator, a battery array and at least one electric motor includes a controller for controlling propulsion of the vehicle. The controlle... | 06/03/2003 |
| 6546320 | Control apparatus for hybrid vehicle A hybrid vehicle includes a control apparatus having an engine controller and a motor controller. A first battery and a second battery which has higher voltage than the first battery are provided. An electric power generator which is driven by the engine ... | 04/08/2003 |
| 6472845 | Motor/generator device An inverter (23) generates a composite current comprising an electrical current for a first rotor (4) and an electrical current for a second rotor (3). A microprocessor (22) controls the inverter (23) so that the average value of the composite current is ... | 10/29/2002 |
| 6429613 | Generation control device of hybrid electric vehicle A generation control device of a hybrid electric vehicle is able to satisfactorily generate power with an excellent responsiveness with respect to a high output requirement from a motor. If a charge level SOC sensed by a charge level sensing device is not... | 08/06/2002 |
| 6201331 | Motor/generator Two rotors (3,4) and one stator (2) are arranged coaxially. The stator (2) comprises a coil unit (6) which produces, by the supply of a first alternating current, the same number of rotating magnetic fields as the number of magnetic poles of said first ro... | 03/13/2001 |
| 6198176 | UPS/CPS system An improved UPS/CPS system employs a high-efficiency uninterrupted power supply function integrated with an engine-generator set that combines both short term protection against momentary power interruptions with longer term power generation. Feedback fro... | 03/06/2001 |
| 6118237 | Vehicular hybrid drive system with battery arctic management A battery management for a hybrid drive system for a vehicle recovers input and output performance of a battery if the battery temperature is low. If the battery temperature is less than or equal to a predetermined value (or if the battery internal resist... | 09/12/2000 |
| 6107775 | Method and apparatus for limiting starting torque in a starter/generator A controller for a starter/generator used with an aircraft engine, includes means for monitoring field return current in a generator field winding; means for monitoring generator voltage; and microprocessor control means for adjusting generator field curr... | 08/22/2000 |
| 5939848 | Control system for hybrid vehicle A control system controls a hybrid vehicle having an engine for rotating a drive axle, an electric motor for assisting the engine in rotating the drive axle, and electric energy storage unit for supplying electric energy to the electric motor. The control... | 08/17/1999 |
| 5929610 | Method and apparatus for shoot-through detection and accommodation in an electric power system including a synchronous generator power source A shoot-through protection system for an electric power generating system including a synchronous generator, a bridge rectifier coupled to an output of the generator for converting alternating current (AC) from the generator to direct current (DC) at a re... | 07/27/1999 |
| 5909094 | Power output apparatus and method of controlling the same A power output apparatus (20) of the invention includes an engine (50), a clutch motor (30), an assist motor (40), and a controller (80) for controlling the clutch motor (30) and the assist motor (40). In response to an engine stop signal to stop operatio... | 06/01/1999 |
| 5903130 | Fail-safe regulator biasing circuit A controller for a starter/generator used with an aircraft engine, includes means for monitoring field return current in a generator field winding; means for monitoring generator voltage; and microprocessor control means for adjusting generator field curr... | 05/11/1999 |
| 5804947 | Generator controller used in hybrid electric vehicle A generator controller used in hybrid electric vehicle. The battery current is sampled and accumulated for T seconds. The obtained accumulated value is used to determine the control target of the generated power. Since the generated power is controlled ac... | 09/08/1998 |
| 5652485 | Fuzzy logic integrated electrical control to improve variable speed wind turbine efficiency and performance A control system utilizing fuzzy logic adaptive control to control the operation of a wind turbine driven electric power generator to control power generator speed and hence power frequency while maximizing the power output of the power generator. Wind tu... | 07/29/1997 |
| 5614809 | Electric generation control system for hybrid vehicle When the remaining capacity of a battery on a hybrid vehicle is smaller than a threshold value or the battery is unable to output the amount of electric energy required to propel the hybrid vehicle with a propulsive electric motor, the engine is started b... | 03/25/1997 |
| 5608308 | Electric generation control system for hybrid vehicle The opening of the intake air control valve of an engine which actuates a generator on a hybrid vehicle is basically controlled by an intake air control valve control assembly to cause the engine to produce a power output corresponding to a target generat... | 03/04/1997 |
| 5606233 | System for generating electricity in a vehicle A system for generating electricity in a vehicle when the vehicle is not moving at a sufficient speed to drive the on board generators and when the wind is insufficient to drive the generators. In one embodiment, a control unit receives input signals from... | 02/25/1997 |
| 5550445 | Generator controller and controlling method for hybrid vehicle A generator controller and controlling method of a hybrid vehicle. A battery voltage is compared with a predetermined value and when the battery voltage is lower than the predetermined value as a result of the comparison, an state of charge of the battery... | 08/27/1996 |
| 5091679 | Active vehicle suspension with brushless dynamoelectric actuator A vehicle suspension uses actuators between sprung and unsprung masses, each actuator comprising a brushless dynamoelectric machine having a low inertia rotor engaged with a rotary/linear motion converter or conversion between dynamoelectric machine torqu... | 02/25/1992 |
| 4677354 | Device for regulating the speed of an asynchronous electric motor The device comprises a variable frequency AC generator with means of exitation supplied by means for controlling exitation current, means for regulation of the frequency of the generator as a function of an index value, means for measuring actual speed of... | 06/30/1987 |
| 4567407 | Biased unitized motor alternator with stationary armature and field A unitized (single unit) motor and flux switch alternator having stationary field, armature and motor windings which provides a magnetic path for some of the motor input power to feed through and increase the alternating current (AC) generator output. A r... | 01/28/1986 |
| 3970858 | Prime mover speed responsive load control for electrically propelled traction vehicles An electrical propulsion control system for self-propelled traction vehicles of the type having a thermal prime mover-driven electric generator supplying energy to traction motors, wherein the electrical output of the generator is regulated within predete... | 07/20/1976 |
