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7592786 |
Aircraft engine starter/generator
A rotor resistor and switch combination may cause a starter/generator device to function as an asynchronous device when in a start mode. Thus, starting torque may result. A starter/generator device...
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7449795 |
Electric power generation system using a permanent magnet dynamoelectric machine for starting a combustion turbine and for generating uninterruptible excitation power
An electric power generation system 10 with a combustion turbine 12 as a prime mover for a main generator 16 is provided. The power generation system includes a dynamoelectric machine 30 ...
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7400056 |
Engine starter-generator optimized for start function
A starter-generator system is configured to supply power to an aircraft electrical bus having a rated AC voltage magnitude, or receive power from a start converter, and includes a rotor and a...
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7301310 |
Excitation controlled synchronous permanent magnet machine
The present invention provides an apparatus and methods for providing constant voltage from a permanent magnet generator at varying prime mover speeds or under varying loads. A constant voltage...
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7268522 |
Excitation control for wound field synchronous dynamoelectric machines
A wound field synchronous (WFS) dynamoelectric machine comprises: a rotor assembly; an exciter generator section comprising a stationary multiphase exciter stator winding for receiving excitation...
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7183750 |
Vehicle power-generation control unit and vehicle power-generation control system
The vehicle power-generation control unit has a first function enabled when a control signal received from outside designates a first mode to control an exciting current such that an output power...
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7170263 |
Method and apparatus for controlling on-vehicle generator
An apparatus for controlling an on-vehicle generator is provided. The apparatus comprises a switching element, current detecting unit, setting unit and driving unit. The switching unit turns on/off...
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7129595 |
Hybrid electro-mechanical vehicular transmission having multiple modular motor/generators assembled from like components
An improved hybrid electro-mechanical vehicular transmission includes motor/generator modules assembled from like components. This is accomplished by providing “punch-out” tabs on the...
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7128061 |
Supercharger
A centrifugal supercharger is provided. One embodiment of the supercharger comprises a two-piece housing wherein a parting area is substantially aligned with a rotational axis of a drive- or...
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7078826 |
Hybrid gas turbine engine starter-generator
A rotating electrical machine, such as an aircraft starter-generator, that may be operated in either a DC motor mode or an AC generator mode. The machine includes a conventionally wound main stator...
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7053497 |
Monitoring system for a generator
A load monitoring apparatus for monitoring the load applied to a portable generator. The apparatus includes a sensor, and a humanly perceptible indicator that indicates at least one discontinuous...
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6965172 |
Starter for cranking internal combustion engine
A starter for cranking an internal combustion engine is mainly composed of an electric motor and a magnetic switch having a battery bolt connected to an on-board battery and a motor bolt connected...
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6940735 |
Power converter system
A power converter system advantageously employs a modular, bi-directionally symmetrical power converter assembly in a readily customizable configuration to interconnect a direct current power...
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6936933 |
Hybrid propulsion system for a motor vehicle
Arrangement for providing an integrated starter generator apparatus for producing electrical power and/or rotational torque. The apparatus includes a primary rotor ( 18 ) arranged for cooperation...
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6919661 |
Alternator-starter for motor vehicle with mechanical static converter
The reversible multiphase rotary machine includes a device ( 3 ) for supplying current to the windings ( 12-14 ) of the stator, which is produced in the form of a mechanical inverter ( 2 ) able to...
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6900618 |
Power generation control apparatus for vehicle
A vehicle power generation control apparatus that has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, an exciting current control circuit, a torque...
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6897574 |
Gate driver ASIC for an automotive starter/alternator
A starter/alternator system for an engine and a battery of an automobile are provided. The system includes a starter/alternator machine; a three phase MOSgate control inverter/bridge electrically...
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6888329 |
Control method of dynamo-electric machine for vehicle
A method of controlling an electric rotating machine for a vehicle includes an electric rotating machine ( 1 ) including a rotator having a field winding ( 5 ) and a stator having an armature...
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6888263 |
Gas turbine generator
A gas turbine generating apparatus according to the present invention comprises a gas turbine capable of a high-speed operation, a permanent-magnet-type generator driven at a high speed by the gas...
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6856032 |
Starter/alternator assembly of internal combustion engine and method for controlling thereof
An engine starting apparatus comprises a starter/alternator assembly operatively coupled to the engine and is capable of being operated in a starter mode for starting the engine and in a generator...
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6844707 |
AC/DC brushless starter-generator
A brushless AC/DC starter generator for use with aircraft engines, the starter generator capable of both providing motive force to start the engine, and generate AC and DC power for aircraft...
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6838778 |
Integrated starter generator drive having selective torque converter and constant speed transmission for aircraft having a constant frequency electrical system
A starter-generator for an aircraft engine comprises a dynamoelectric machine alternatively operable as a motor or as a generator, having a rotor. A support motor is coupled to the dynamoelectric...
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6787959 |
Electrical machine and electrical system
An electrical machine with a stator component and a rotor component, wherein the stator component carries the winding of the electrical machine, which has a number of coils. An electronic power...
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6784634 |
Brushless doubly-fed induction machine control
Processor-based field oriented control for brushless doubly-fed induction machine having first and second polyphase stator windings is programmed to operate the machine in various modes, as a motor...
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6768215 |
High rotational speed optimized engine starter having clutch connection to engine
In an engine starter of the present invention, a driving shaft to output a rotating force and a crankshaft of an engine are linked continuously. The engine starter comprises a one-way clutch to...
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6753621 |
Starter for internal combustion engine
A starter for an internal combustion engine is comprised of an armature, a motor case, a planetary gear speed reduction mechanism connected to an armature shaft, a frame and a partition plate...
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6664653 |
Command and control system for controlling operational sequencing of multiple turbogenerators using a selected control mode
A command and control system and method for multiple turbogenerators in a grid parallel system includes a master controller to start, sequence, coordinate power commands, and provide fault handling...
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6609992 |
Automotive alternator
An automotive alternator includes: a stator core 1 having a stator winding 2; front and rear brackets 3 and 4 holding the stator core 1; a rotor core 5 attached to a rotation shaft 7 ...
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6512305 |
Method and apparatus having a turbine working in different modes for providing an uninterruptible supply of electric power to a critical load
An uninterruptible power supply (UPS) system supplies power to computers, medical apparatus or other critical loads when primary power supply falters. The UPS system includes an electrical machine...
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6501190 |
Accessory device driving apparatus for vehicles
An accessory device driving apparatus is disposed between an internal combustion engine and an accessory device of a vehicle. The driving apparatus is constructed as a coaxial dual rotor-type...
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6484596 |
Crankshaft starter-generator
The invention relates to a crankshaft starter-generator for an internal combustion engine wherein the starter-generator is drive-coupled to a crankshaft of the internal combustion engine and serves...
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6392311 |
Starter generator for internal combustion engine
A starter generator for an internal combustion engine serving as a starter motor when the internal combustion engine should start and as a generator after the internal combustion engine starts and...
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6351090 |
Device for starting a gas turbine in an aircraft
A device for starting a gas turbine in an aircraft includes an electrical power supply delivering a direct current and a drive electric motor connected to the power supply, independent of the...
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6302253 |
Torque transmission unit
Torque transmission unit includes an input shaft and an output shaft with a torsion damping device functionally arranged between the input shaft and an output shaft. A shift clutch is also...
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6208036 |
Powertrain with integrated motor generator
A hybrid powertrain has an internal combustion engine, a power transmission and an electric drive. The electric drive includes a stator secured in the housing of the power transmission and a rotor...
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6202776 |
Drive system, especially for a motor vehicle, and method of operating same
The invention concerns a drive system, especially for a motor vehicle, with a drive assembly, especially an internal combustion engine; an electric machine that is directly coupled or can be...
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6201312 |
Drive control system for hybrid vehicles
A control system for improving the fuel economy of a hybrid vehicle by evaluating a fuel to be consumed for a charging operation thereby to select a running mode. Specifically, a drive control...
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6169334 |
Command and control system and method for multiple turbogenerators
A command and control system and method for multiple turbogenerators in a grid parallel system includes a master controller to start, sequence, coordinate power commands, and provide fault handling...
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6133659 |
Vehicle in-line generator
An in-line generator fits between the engine and transmission of a conventional motor vehicle. The in-line generator comprises an externally cooled housing having a first end that is mounted to the...
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6118238 |
Motor starting apparatus for an engine driven generator
A conventional motor controlling circuit is adapted to control an inverter that drives a permanent magnet generator as a motor to spin an engine to a speed sufficient to permit the engine to start....
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6054777 |
Starter having brush displaceable to and from commutator
A positive-side brush and a negative-side brush are held by a motor frame and contact the sliding-contact surface of a commutator. A displacement member switches the state of one brush connected...
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6040634 |
Electric motor/thermal engine drive for a vehicle in which the electric motor functions as a flywheel, starter motor, and generator
The engine unit for a vehicle comprises a thermal engine (1) and a coaxial relatively flat electric motor (2) which can operate up to, at least, the maximum operating speed of said thermal engine....
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6031294 |
Turbogenerator/motor controller with ancillary energy storage/discharge
A turbogenerator/motor controller with a microprocessor based inverter having multiple modes of operation with an energy storage and discharge system including an ancillary electric storage device,...
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6008545 |
Engine starting and electricity generating apparatus including 3-elements type input and output mechanism coaxial with motor/generator
An apparatus including motor/generator whose axis is spaced from and parallel to engine crankshaft, 3-elements type input and output mechanism disposed coaxially with the motor/generator and having...
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5998976 |
Power supply system
An arrangement for voltage supply with an electrical machine that can be operated as a generator or as a starter is proposed, which is operated by the engine in the generator mode and which brings...
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5977648 |
Hydraulically driven low reactance, large air gap permanent magnet generator and voltage regulation system for use therewith
An electric power generating system comprises a low reactance, large airgap permanent magnet generator driven by a hydraulic motor to generate a poly-phase AC output voltage. Because the permanent...
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5942879 |
Control system for hybrid vehicles
A control system for a hybrid vehicle including a traction motor which drives a drive shaft of the vehicle by electrical energy and has a regenerative function of converting kinetic energy of the...
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5942806 |
Method and device for generating electricity
A method and device for generating an electric current and power from the earth's electric field. The electric current is generated by providing a thermoemissive material at some distance above the...
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5936312 |
Power output apparatus and method of controlling the same
The object of the present invention is to carry out control and enable an engine to output a desired power, thereby preventing unexpected charge or discharge of storage battery means. A power...
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5927452 |
Arrangement for compensating alternating torques and vibrations in a motor vehicle drive train
An arrangement for compensating for alternating torques and reducing vibrations in the drive train of a motor vehicle includes three flywheel masses and two clutches in a common housing and...
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