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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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