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7545125 |
Generator for a motor vehicle having a B12 rectifier
The present invention relates to a six-phase generator for a motor vehicle having two three-phase systems displaced with respect to one another by 30°, the phase windings of one of the three-phase...
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7348703 |
Monopole field electric motor-generator with switchable coil configuration
A pair of stators produce a magnetic field within a space between them a ferromagnetic toroidal rotor is rotationally mounted within the magnetic field. A plurality of windings are wound radially...
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7292008 |
Electric generation control apparatus for vehicle alternator
An electric generation control apparatus for a vehicle alternator receives an electric generation control signal transferred from an ECU placed apart from the control apparatus through a data...
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7224146 |
Dual voltage electrical system
A dual voltage supply system supplies high and low voltage electrical power to separate high and low voltage loads. The system includes an AC alternator and first and second rectifier circuits,...
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7183668 |
Generator with current and voltage abnormality detection
A detecting means easily detects the abnormality of a generator having a plurality of power supply units. Each of the power supply units includes one of a plurality of output windings L 1 to L 4 ,...
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7148649 |
Hybrid-electric vehicle having a matched reactance machine
A hybrid-electric vehicle including a matched reactance machine power generation system (MRMPGS). The MRMPGS comprises a permanent magnet rotor type machine having a selected back electromotive...
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7122993 |
Regulated voltage control override
Apparatus and methods are provided for controlling a voltage output of an alternator having a regulated voltage control (RVC). The apparatus includes a processor configured to transmit one of at...
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7034509 |
Multiple voltage generating
There are apparatus and methods for generating a plurality of voltage levels. There is a rotor that includes a first and a second portion of rotor windings. The first portion of rotor windings is...
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7026794 |
Dynamically controlled switching alternator system
A system and method to dynamically control a switching alternator is disclosed. A switching alternator system is disclosed that includes a plurality of windings configured to deliver an AC power...
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7002317 |
Matched reactance machine power-generation system
A system and method is described for using a matched reactance machine power generation system (MRMPGS) to provide a constant-voltage power for an electric distribution system. The system and...
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6995546 |
Alternating current generator
An alternating current generator of the invention has three armature windings, which are wound from a winding start end connected to a neutral point to winding finish ends, and a stator that is...
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6946750 |
Wind power plant having a power generation redundancy system
A wind power installation having external and/or internal redundancy derived by multiple, independent power generating systems arranged in parallel, but switchably interconnected to allow...
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6903477 |
Induction machine with motor and generator operation modes
An electric machine selectively operates as a generator mode or a motor mode. The electric machine includes a stator core, a multi-phase armature winding, a field coil, a moving core having a...
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6864667 |
Stator winding pattern for reduced magnetic noise
An electrical generator having a stator, a rotor, two windings, and a rectifying circuit. The stator has a first winding arranged in a wye configuration and a second winding arranged in a delta...
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6812585 |
Fuel cutoff system for engine-driven generator
Methods and systems for cutting off the supply of fuel to an engine in response to engine turn-off. A fuel cutoff solenoid or functionally equivalent device is connected to a source of electrical...
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6626138 |
Internal combustion engine
An internal combustion engine (E) includes a crankshaft ( 5 ), and a bearing cap ( 8 ) supporting the crankshaft ( 5 ) for rotation. Permanent magnets ( 20 ) serving as magnetic field creating...
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6624618 |
System and method for vehicle voltage regulation
A method of operating an alternator of a motor vehicle includes the steps of monitoring an amount of stored electrical energy available to operate the vehicle, estimating a vehicle electrical load,...
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6555992 |
Automotive electric power supply assembly
A three-phase alternating-current winding is constructed by forming winding phase portions into a Y connection. The winding phase portions are divided into first and second winding divisions....
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6504346 |
Rotary electric machine for vehicle
A rotary electric machine has two sub-windings shifted by 30 degrees from each other. Each sub-winding is connected to an individual bridge which has MOS transistors on the ground sides. It is...
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6476571 |
Multiple power source system and apparatus, motor driving apparatus, and hybrid vehicle with multiple power source system mounted thereon
In a multiple power source system of the present invention that has an inverter connected to a reactance, such as three-phase coils in a motor, a high voltage battery is connected with a low...
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6407476 |
A.C. generator for use in a vehicle
An a.c. generator for a vehicle includes: a rotor rotatably supported within a case; and a stator having a cylindrical stator core in which a plurality of slots are formed at given intervals...
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6392348 |
Dual voltage alternator using center-tap regulation
A vehicle electrical system for supplying a first load with a first direct current voltage and for supplying a second load with a second direct current voltage lower than the first direct current...
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6373230 |
Alternator with regulation of multiple voltage outputs
An alternator generates output power at two or more independent voltages. The alternator has two independent output windings configured to generate the power needed for each output. Each output...
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6333622 |
Synchronous generator having auxiliary power windings and variable frequency power source
A synchronous generator is disclosed having main power windings and auxiliary power windings, where the auxiliary power winding is coupled to a variable frequency drive system. The variable...
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6259233 |
Electric motor or generator
A device such as an electric motor, an electric generator, or a regenerative electric motor includes a rotor arrangement and a stator arrangement. The stator arrangement has a dielectric...
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6124702 |
Step switch cycloconverter utilizing multi-tap armature
Electrical machine cycloconverter devices are provided that produce output signals in which the frequency, amplitude and phase are independent of rotor speed. The cycloconverters produce highly...
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6066941 |
Switching alternator system
A method and apparatus for controlling AC power from the stator of an alternator in which groups of windings have various numbers of turns and various numbers of poles per winding can be connected...
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6049198 |
Power supply device with two output voltages
The voltage supply device for the motor vehicle electrical system includes e.g. a self- or separately-excited generator having stator windings (10,11,12) and an excitation coil (E); a main bridge...
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6020725 |
Self-excited asynchronous alternating current generator with paramutual inductive coupling
An asynchronous alternating current motor/generator having an armature winding which includes interspersed energy coils and reflux coils which are electrically and inductively isolated from each...
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5977645 |
Aircraft secondary power system
A secondary power system for an aircraft utilizes a variable frequency electrical distribution system that provides power to one or more loads that can tolerate distortion components. In addition,...
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5818117 |
Engine induction air driven turbine-alternator incorporating speed control of the turbine in response to alternator output voltage
A turboalternator and air flow control assembly for mounting on a combustion air intake of an internal combustion engine comprises a body having an inlet and an outlet defining an air flow path, a...
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5764036 |
Multiple output decoupled synchronous generator and electrical system employing same
A multiple output synchronous generator in accordance with the instant invention comprises a stator having a first stator winding having a number of poles p and a second stator winding having a...
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5739676 |
Multiple-alternator electrical system
In one embodiment of the present invention, an electrical generating system for a motor vehicle includes a first alternator and a second alternator. The first alternator includes a first plurality...
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5694027 |
Three-phase brushless self-excited synchronous generator with no rotor excitation windings
On a stator core, there are wound T-connection primary generating windings such that the second and third single-phase windings are respectively arranged at positions electrically orthogonal to the...
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5681495 |
Alternator power-supply type electric heating control apparatus
An alternator power-supply type electric heating control apparatus, comprising (1) a switch for switching an output of an alternator including a field coil, a stator coil, and a rectifier to a...
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5625276 |
Controller for permanent magnet generator
A generator according to the disclosure includes a control system for regulating the output of the generator. The generator, such as a permanent magnet generator, includes multiple windings. For...
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5606244 |
Mobile AC power source system
A mobile AC power source is described for generating AC electrical power that is powered by any rotational energy source such as a vehicle engine. The output of the mobile generator is sinusoidal...
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5606247 |
Mechanical gear drive system having integral electric power generation capability
A mechanical gear drive system capable of generating electric power comprises a plurality of gears having a plurality of teeth separated by a tooth gap, a U-shaped core having two legs separated by...
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5576613 |
DC motor-generator control circuit
The present invention relates to a DC control circuit for a main motor-generator set, in which a main motor includes an auxiliary shunt field winding. The control circuit includes a current...
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5510696 |
Zero current switching between winding sets in a permanent magnet alternator having a split winding stator
An apparatus for selectively rectifying one of a pair of output voltages associated with one of a a pair of output winding sets of a polyphase alternating current generator has a single controlled...
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5506492 |
High output alternator and regulator
A high output alternator and regulator for generating electrical power in a motor vehicle having a storage battery for providing stand-by power at a predetermined voltage. The alternator is a...
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5455500 |
Alternating current generator for vehicles
An alternating current generator having a first Y-form three-phase connecting circuit including three first windings connected with each other in a Y-form, a first rectifying circuit for rectifying...
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5449962 |
Rotary electric machinery
A stator coil of a rotary electric machine includes a three-phase Y-form connection circuit including first windings Y1, Y2 and Y3, which are connected in Y-form, and a three-phase delta-form...
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5444355 |
Charging generator for a vehicle
A charging generator for a vehicle comprises a three-phase a.c. generator in which first and second armature windings are provided so that the waveforms of the a.c. voltages produced in the first...
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5444214 |
Apparatus and method for synchronizing a firing circuit for a brushless alternator rectified D. C. welder
An engine-driven, multiple-phase, alternator-powered SCR rectified arc welding power supply using a single synchronizing winding within the alternator providing signals to a synchronizing digitizer...
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5436509 |
Electrical power supply for motor vehicles
An electrical power supply for motor vehicles including an alternator arranged to receive a rotational driving input from a vehicle engine and control and switching means operative to automatically...
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5418401 |
Power supply apparatus for a vehicle having batteries of different voltages which are charged according to alternator speed
A power supply apparatus for a vehicle includes an alternator for generating an output voltage for charging a first battery and a second battery having a higher voltage than the first battery. The...
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5416401 |
Dual voltage supply circuit for vehicles
A dual voltage supply circuit for vehicles is disclosed, in particular for vehicles with a dual circuit electrical braking system. The circuit contains a starter battery and an auxiliary battery,...
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5334926 |
Electric power system for automotive vehicle
An electric power system for an automotive vehicle is provided with a generator to which a 48-volt battery, a blower motor and a DC--DC converter are connected in parallel. An output terminal of...
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5334927 |
Multiphase switching system and generator arrangement having such a switching system
In the case of the multiphase switching system (1), each (for example L 3 ) of the phase conductors is arranged in the course of a generator output line (2), which is arranged between a generator...
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