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8169100 |
Torque transmission for an aircraft engine
The torque transmission system for an aircraft engine permits a starter-generator to drive the engine on starting at a speed reducing ratio. Once the engine is running, the engine then drives the...
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8148834 |
Aircraft engine starting/generating system and method of control
A starting and generating system for use with an aircraft engine includes a starter/generator and an inverter/converter/controller (ICC) coupled to the starter/generator. The starter/generator is...
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8143735 |
Electric starting device for an internal combustion engine
The present invention relates to an electric starting device (1) for an internal combustion engine (5), which electric starting device (1) comprises an electric starter (4) and a starter-generator...
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8097968 |
Position-controlled start from the AC line using a synchronous machine
A synchronous electric machine operates as a starter-generator for an aircraft. When operating in a starting mode, a main stator of the machine is supplied with electrical power at a constant...
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8085004 |
Generator with quadrature AC excitation
A generator system is configured to supply two phase excitation current from an exciter rotor to a main generator rotor. When driven by a variable speed prime mover, the generator system provides...
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8030788 |
Method and systems for an engine starter/generator
A method and system for an engine starter/generator is provided. The starter/generator system includes a three phase squirrel cage induction machine, a three phase inverter/converter electrically...
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7898098 |
Asymmetric hydraulic press electric generator
An asymmetric hydraulic press electric generator that converts mechanical energy to electrical energy using hydraulic pressure. The generator employs the principle that force acting on a small area...
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7847423 |
Backup power system
A backup power system is connected in parallel to a load, which is powered via a power line connecting that load to a main power source, such as a utility. The backup system includes a...
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7834500 |
Lubrication arrangement for a generator system
A generator system is disclosed. The generator system includes an input gear, a gear train coupled to the input gear, and a clutch associated with the input gear, wherein the clutch is exposed to...
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7821145 |
Aircraft engine starter/generator and controller
An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an...
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7786708 |
Starter/generator system with control to address a voltage rise
A control circuit for a generator has a control function that monitors the voltage across a bus capacitor. The circuit delivers excess voltage back to associated stator windings if an unduly high...
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7747355 |
Electrical power generator with adaptive coupling
A method of coupling a mechanical power source through an electrical power generator to an electrical load is disclosed. A characteristic of an electrical output is measured from the electrical...
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7687928 |
Dual-structured aircraft engine starter/generator
An aircraft starting and generating system includes a first starter/main machine assembly that includes a first exciter and a first main machine, and second starter/main machine assembly that...
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7646123 |
Vehicle alternator
A vehicle alternator for generating electric power is driven by an engine mounted on a vehicle driven through a driving belt. The alternator has a pulley part joined to and directly receiving a...
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7541685 |
Vehicle-mounted alternator
The stator of the vehicle-mounted alternator includes a stator core formed with a plurality of slots located along a circumferential direction thereof, and first and second multi-phase windings...
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7514806 |
Engine start system with quadrature AC excitation
A starter-generator system may be used to supply sufficient starting torque to start an aircraft main engine. The main starter-generator stator winding may be connected to a constant frequency (CF)...
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7508086 |
Aircraft engine starter/generator and controller
An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an...
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7471002 |
Voltage controller of alternator for vehicle
A voltage controller has an integrated control circuit having a plurality of lead wires, a plurality of connecting terminals, and a terminal holding body holding the terminals such that a portion...
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7425769 |
Engine start method of vehicle having starter motor and ISG
An engine start method of a vehicle having starter and ISG considers the temperature of an engine coolant and the voltage of a battery. The objective start rpm of the starter is raised and the...
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7414326 |
Regulator system for alternator
An improved regulator system is disclosed for controlling a field winding of an alternator to regulate the charging of a battery. The improved regulator system comprises an internal regulator...
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7402916 |
Method of controlling a reversible, polyphase rotary electrical machine for a motor vehicle having a heat engine
The method of controlling a reversible, polyphase rotary electrical machine called an alternator-starter, for a motor vehicle with a heat engine, the machine being adapted to work either as an...
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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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7400053 |
Starter-generator
A vehicle includes a starter-generator. According to some embodiments, one of at least two operator activated input mechanisms may be selected for starting the starter-generator. According to some...
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7389837 |
Electric power control system for a hybrid vehicle
A vehicle powertrain control system including an electric motor drive system, a first battery coupled to the electric motor drive system, an electronically controlled switched coupled to the first...
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7388300 |
Starter-generator operable with multiple variable frequencies and voltages
A starter-generator system is configured to be operable at multiple variable frequencies. The starter-generator includes a rotor and a stator. The rotor is configured to rotate and has a single...
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7365443 |
Generator start/stop controller
A method and apparatus is disclosed for starting and stopping a generator set that supplies power to a refrigeration system. An ambient temperature sensor is used rather than an in-box sensor in...
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7362002 |
Automotive starter generator apparatus
An automotive staffer generator apparatus that is inexpensive and compact, enabling engine starting functions and generating functions to be made compatible by improving maximum torque without...
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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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7263959 |
Control apparatus of internal combustion engine
At a time of stopping an internal combustion engine, inertia energy of the engine is kept constant, for example, by controlling a number of engine revolution constant, while controlling combustion...
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7263432 |
Method and device for detecting the electrical position of an electrical machine rotor
A method of detecting an angular position of a rotor of an electrical machine includes determining a rotor position for the electrical machine using data obtained from a first data source,...
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7250688 |
Narrow range variable frequency starter/generator system
A starter/generator system for a gas turbine engine used in aeronautical applications that couples a single dynamoelectric machine to the gas turbine engine through a torque converter in a starting...
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7227271 |
Method and apparatus for controlling an engine start system
An apparatus (80) controls a synchronous machine (20) used to start an engine (300) during an engine start operation. The apparatus comprises: an exciter current control unit (84) for controlling...
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7224078 |
Electric rotating machine for vehicle
In a vehicle electric rotating machine having a power section formed of a pair of inverter modules of switching elements and diodes connected in parallel thereto, and a control circuit section that...
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7202637 |
Distributed control method
The present invention provides an improved control method and apparatus allowing units arranged at different spaced apart locations to be controlled without the need for a high bandwidth link...
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7165523 |
System, in particular for motor vehicle starting a heat engine and for charging an electric circuit
System, especially for a motor vehicle, able, on the one hand, to start up an internal-combustion engine and, on the other hand, to charge an electrical circuit, including a main electrical machine...
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7112944 |
Electrical power system for multi-use power conditioning and engine start
A synchronous and bi-directional power conversion module (140) for use in a variable frequency power conversion system (100) comprises a first input/output side (142) for AC power input/output and...
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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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7004136 |
System for transmitting drive from the crankshaft of an internal combustion engine of a motor vehicle to a group of auxiliary devices
The system includes at least one transmission belt operable to couple the drive shafts of auxiliary devices with a pulley operatively connectable to the crankshaft of the internal combustion...
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6998726 |
Method and system for providing single-phase excitation techniques to a start exciter in a starter/generator system
A system and method is provided for starting a prime mover coupled to a synchronous starter/generator. The system includes an exciter converter that provides a non-fundamental only signal to a...
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6979979 |
Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element
A rotating electrical machine, such as an aircraft starter-generator, that includes an exciter that has its stator windings supplied with electrical power from a power supply. One or more switches...
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6969923 |
Engine start control device, engine start control method and recording medium having program recorded thereon for implementing engine start control method
An engine start system includes a starter starting an engine, a starter drive relay controlling the starter and an engine ECU connected to a starter switch for controlling on/off of the starter...
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6957636 |
Apparatus and method for preventing an overshoot in the rotation speed of an internal-combustion engine
A starter/battery charger, which is coupled to an internal-combustion engine, operates as a starting motor for starting the engine and also operates as a charging generator for charging a battery...
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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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6921984 |
Drive system for an industrial truck and a method for the operation of the drive system
A drive system for an industrial truck, comprising an internal combustion engine, a three-shaft epicyclic gearing adapted to be connected to the shaft of the internal combustion engine, a first...
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6910453 |
Automotive internal combustion engine control system
A starting motor 5 of an internal combustion engine 1 drives an input/output pulley 10 through a belt 11. Auxiliary machinery 6, 7 and 8 is driven by the engine 1 though the belt 11 while the...
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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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6900553 |
Gas turbomachinery generator
A gas turbomachinery electricity generation apparatus includes a gas turbomachinery arrangement having an associated rotary drive take-off, an electricity generating arrangement which includes a...
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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 winding...
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6838779 |
Aircraft starter generator for variable frequency (vf) electrical system
A starter-generator for an aircraft engine comprises a variable dynamoelectric machine alternatively operable as a motor or as a generator, having a rotor. A support motor is coupled to the...
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