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Class 322/90 - Plural armature circuits or windings


Subclass of Class 322 - Electricity: single generator systems
Definition: Subject matter wherein the armature circuit control comprises
No. of patents: 204
Last issue date: 06/09/2009


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NumberTitleIssue Date
7545125Generator 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 systems being positioned in a wye connection and the phase windings ...
06/09/2009
7365518Ion engine power supply
A power supply for an ion engine comprises a multiphase alternator and a power converter comprising a voltage multiplier coupled to each phase of the alternator. Each voltage multiplier comprises one or more staged voltage doublers. The alternator phases may be coup...
04/29/2008
7348705Multi-phase fractional slot windings for electric machines having segmented bar-shaped windings
An electric machine comprises a stator core defining a plurality of slots. Multi-phase fractional slot windings are positioned in the slots of the stator core. The multi-phase winding include a first winding set comprised of a first plurality of conductors having a ...
03/25/2008
7348703Monopole 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 on the rotor and each winding provides a plurality of coils. Each of c...
03/25/2008
7348764Coil switching of an electric generator
An electric generator includes multiple coil sections and switches connected to the multiple coil sections for selectively interconnecting the coil sections in series, or in parallel, or in a series-parallel configuration across first and second power terminals for ...
03/25/2008
7335998Device for supplying voltage to the loads of an onboard electrical system of a motor vehicle, using a plurality of generators
A device for supplying voltage to the loads of an onboard electrical system of a motor vehicle includes a first generator, a regulator allocated to the first generator, a second generator, a regulator allocated to the second generator, and a control apparatus. The c...
02/26/2008
7309974System and method for AC power generation from a reluctance machine
A system and method is provided for generating AC power using a synchronous reluctance machine (12) or a salient-pole synchronous machine (102) and a power converter (110). The present invention can be used to achieve power production for a sync...
12/18/2007
7304397Fuel cell system
A fuel cell based system for the generation of electrical energy employs a drive unit that includes at least two electric motors sharing a common rotor which is mechanically coupled to drive a compressor to provide oxidant and/or fuel to a fuel cell. An electrical s...
12/04/2007
7291933Double alternator and electrical system for a vehicle
A double alternator for a vehicle and a vehicle electrical system employing the double alternator. ...
11/06/2007
7292008Electric 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 transfer line. The control apparatus has a voltage comparator, a communica...
11/06/2007
7285937Electric 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 transfer line. The control apparatus has a voltage comparator, a communica...
10/23/2007
7276804Voltage regulator with improved protection and warning system
This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle electrical system operation and malfunctions. The regulator includes monitorin...
10/02/2007
7262539Saturation control of electric machine
The invention includes an electric alternator/motor having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits, one of which includes a saturable portion in which saturat...
08/28/2007
7259583Methods and apparatus for testing power generators
A method for testing a generator including a plurality of phase groups is provided. The method includes electrically isolating a first phase group from remaining phase groups by substantially encapsulating at least a portion of a plurality of stator bars electricall...
08/21/2007
7245050Internal combustion engine
A journal of a crankshaft is rotatably supported by a journal-supporting portion of a cylinder block and a bearing cap. An arcuate oil guide groove is defined in a side face of the bearing cap, and coils which are portions of a stator of a generator or motor are fit...
07/17/2007
7245105Single-phase induction motor and method for reducing noise in the same
A single-phase induction motor and a method for reducing noise in the same, which can eliminate unbalance between magnetomotive forces of main and auxiliary windings in a stator of the motor, thereby implementing a low noise, low vibration motor, and can also achiev...
07/17/2007
7235891Power system having generator driven by engine
An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ...
06/26/2007
7233147Method and apparatus for magnetic resonance imaging incorporating a spiral coil
The subject invention pertains to a method and apparatus utilizing one or more spiral coils, such as spiral birdcage coils, spiral saddle coils, Helmholtz coil pairs, and other spiral volume and spiral surface coils. The spiral coils of the subject array can be subs...
06/19/2007
7230344Apparatus and method for transient and uninterruptible power
In accordance with certain exemplary embodiments, the present technique provides methods and apparatus for providing transient and uninterrupted power to protected loads. As one example, the present invention provides an induction device that operates as an inductio...
06/12/2007
7227288Apparatus and method for increasing efficiency of electric motors
A single or multiphase alternating current electric motor or synchronous generator includes main windings and additional windings that perform de-saturation of the magnetic field of the main windings. Each additional winding is fed through at least one capacitor in ...
06/05/2007
7227340Alternator rectifier with coil-sensor controlled MOSFETs
A switching circuit for an electric machine is provided. The switching circuit includes switches for energizing the phase windings of the machine and sensors for driving the state of the switches. The switches are voltage-controlled devices and the sensors are coils...
06/05/2007
7224146Dual 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, each connected to the alternator and a corresponding high and low voltag...
05/29/2007
7224578Ergonomic control panel for a portable electric generator
A control panel for a portable electric generator. The control panel includes three distinct zones having logically organized switches and outlets. The first zone includes those switches used most frequently. The second zone includes a plurality of 120 VAC electrica...
05/29/2007
7211764Engine driven welder/generator with high power accessory output operable at lower engine speeds
An engine driven welder-type device and method of powering an accessory are disclosed. The device has an engine coupled to a power converter constructed to generate an electrical power suitable for welding applications. The device also provides a relatively uniform ...
05/01/2007
7208918Vehicle rotating electric machine
An inverter device is mounted on the rotating electric machine body The inverter device includes a module unit having a converter circuit and a control unit that controls the operation of the converter circuit. The converter circuit is configured by connecting a plu...
04/24/2007
7202639Apparatus for determining wear in the frictional components of an alternator
An apparatus for determining wear in the frictional components of an alternator. Such an apparatus may comprise circuitry configured to count voltage peaks generated by the automotive alternator; circuitry configured to compare the counted voltage peaks against a pr...
04/10/2007
7196497Vehicle-mounted electrical generating system in which field current of electric generator supplying power to high-voltage system is derived from supply voltage of low-voltage system
A vehicle-mounted electrical generating system has a first voltage system which operates from a high supply voltage and a second voltage system which operates from a low supply voltage that is substantially constant, and an electrical generator for supplying power t...
03/27/2007
7183668Generator 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 L1 to L4, which are wound independently of each other around single ...
02/27/2007
7176658Controller for permanent magnet alternator
The invention is a control system that, among other things, controls a permanent magnet alternator and provides relatively accurate voltage regulation. The control system may include one or more of the following: (1) a rectification system to rectify and regulate th...
02/13/2007
7170261Generator with dual cycloconverter for 120/240 VAC operation
A generator system has two modes of operation, such as 120 VAC and 240/120 VAC. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltage. One three phase AC voltage is coupled to a first ...
01/30/2007
7148649Hybrid-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 force (BEMF) voltage value and a selected machine inductance value. The ...
12/12/2006
7122993Regulated 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 least two control signals and a switch coupled to the processor and con...
10/17/2006
7116003Aircraft starter/generator electrical system with mixed power architecture
A starter/generator electrical system for gas turbine powered aircraft with mixed power architecture to combine advantages of each. The mixed power architecture may be selected from constant frequency (CF), adjustable variable frequency (AVF) and narrow range variab...
10/03/2006
7106030Field excitation for an alternator
A system for controlling the excitation of an alternator field coil. The system comprises a capacitor forming a charge reservoir, a first and a second selectively operable switch connected to opposing ends of a field coil of the alternator, a first catch diode, and ...
09/12/2006
7102331Generator with dual cycloconverter for 120/240 VAC operation
A generator system in accordance with the invention has two modes of operation, such as 120 VAC and 240/120 VAC modes of operation. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltag...
09/05/2006
7102245Integral generator/pinion assembly for axle power generation
A vehicular axle assembly includes an electrical generator for generating electricity to supply power to one or more electrical components therein during operation. The axle assembly includes a hollow housing that rotatably supports a differential mechanism therein....
09/05/2006
7098556Control system of regeneration system and control method thereof
In a control system of a regeneration system, electric power generated by a first electric generator is supplied to a first electric power storing device, and electric power is transmitted, via an intermediary device, between the first electric power storing device ...
08/29/2006
7084610Alternator rectifier
An alternator for a motor vehicle includes a current generation device and a rectifier. The current generation device has multiple phase stator windings in which AC currents are generated. The rectifier is connected to the windings of the current generation device. ...
08/01/2006
7057303Vehicle mounted electrical generator system
A vehicle mounted AC generator system having an AC generator mounted outside the engine/transmission compartment and connected by drive shaft with universal joints and a belt driven RPM ratio device. The ratio is set to provide accurate AC generator RPM at a presele...
06/06/2006
7049789Automotive power supply system designed to ensure stability in charging storage batteries
An automotive power supply system which has two storage batteries mounted in a vehicle which are charged by the electrical energy produced by an electric generator driven by an engine of the vehicle. The system includes a switching device which works to switch betwe...
05/23/2006
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