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Class 290/27 - Electric-starting motor with generator


Subclass of Class 290 - Prime-mover dynamo plants
Definition: Electric-control traction prime-mover dynamo plants including
No. of patents: 25
Last issue date: 05/13/2008


NumberTitleIssue Date
7372222Control device for motor-driven 4WD vehicle and related control method
A control device for a motor-driven 4WD (four-wheel-drive) vehicle includes a 42v alternator (motor-generator) driven by an engine to generate three-phase AC power with 42 volts, a step-up and step-down inverter rectifying and stepping down three-phase AC power, gen...
05/13/2008
7268442Method for Estimating Engine Power in a Hybrid Electric Vehicle Powertrain
A method is disclosed for estimating engine power output for an engine in a hybrid electric vehicle powertrain that includes an electric motor and an electric generator. Selected powertrain variables, including electric motor torque and electric generator torque, ar...
09/11/2007
7242105Electric engine start with two motors and single motor drive
An electrical starter-generator system includes a first starter-generator and a second starter-generator. A single drive controls both the first starter-generator and the second starter-generator such that their electrical current and power inputs are minimized and ...
07/10/2007
7233125System and method for controlling an induction motor
A system controls an induction motor driven by a power inverter circuit. An operational amplifier circuit is operatively connected to the power inverter circuit and operative therewith for sensing DC current and controlling acceleration and deceleration of the induc...
06/19/2007
7180201Engine starting apparatus
A starting apparatus for an engine has a plurality of cylinders and an output shaft. The apparatus includes a power supply, an inverter having a switching element, a motor generator, an ECU, A crank angle sensor. The motor generator is coupled to the output shaft an...
02/20/2007
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
7095127Engine starting apparatus
A starting apparatus for an engine has a plurality of cylinders and an output shaft. The apparatus includes a power supply, an inverter having a switching element, a motor generator, an ECU, A crank angle sensor. The motor generator is coupled to the output shaft an...
08/22/2006
6969923Engine 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 drive relay based on a predetermined start condition. The engine start s...
11/29/2005
6960980Power converter with shunt resistor
A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in volume electric resistivity than the resistive material, higher in therma...
11/01/2005
6838778Integrated 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 machine to assist the machine. A torque converter selectively couples ...
01/04/2005
6768277Gas turbine system and method for controlling the same
In a gas turbine system having first power converter converting power system N AC voltage to DC voltage, second power converter converting the DC voltage into AC voltage, generator connected to second power converter's AC output and rotated by turbine and turbine co...
07/27/2004
6373206Motor drive control apparatus
An electrical motor having a drive function and a power generating function is directly connected to an engine mounted on a vehicle. The vehicle has a starter connected to the engine. A motor control means for controlling the drive of the motor in coopera...
04/16/2002
6369532Control system for an electric motor having an integral flywheel rotor
A control system for an electric motor having an integral flywheel rotor. The motor includes a stator mounted co-axially with the engine crankshaft and a rotor surrounding the stator. A sensor is positioned near the rotor for sensing its rotational speed....
04/09/2002
6307275Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine
A method and apparatus for controlling a permanent magnet synchronous motor (8) coupled to a turbo engine such that transient current and steady state current are minimized. The method comprises the steps of, for a given DC bus voltage, determining an acc...
10/23/2001
6023135Turbogenerator/motor control system
A turbogenerator/motor control system having a plurality of proportional integral control loops including a fuel command control loop and a current command control loop. The exhaust gas temperature of the gas turbine of the turbogenerator/motor is maintai...
02/08/2000
5841201Hybrid vehicle drive system having a drive mode using both engine and electric motor
A hybrid drive system for a motor vehicle, having a power drive state in which there is available a power drive mode in which an engine and an electric motor are both operated as a drive power source for driving the vehicle, and wherein a manually operate...
11/24/1998
5820172Method for controlling energy flow in a hybrid electric vehicle
An operating strategy for a hybrid electric vehicle (HEV) manages the flow of energy to both supply the motive demand power of the HEV and maintain the charge of the energy storage system (ESS). A controller operates the main power unit (HPU) and ESS and,...
10/13/1998
5818115Starting and charging apparatus
A starter dynamo having a pinion engageable with a ring gear and an armature for rotating the pinion is supplied at engine starting with an electric storage power from an electric double layered capacitor used exclusively for the starter dynamo. With this...
10/06/1998
5694026Turbine generator set without a step-down gear box
The invention relates to a turbine generator set comprising a turbine and a generator coupled to each other without a step-down gear box, and a static frequency converter connected in series between said generator and an AC electricity grid having a given...
12/02/1997
5624347Electrical machine system capable of load driving and power generation functions and including at least two electrical mechines
An electrical machine system for driving a load and for providing power generating functions is made up of at least two electrical machines and a clutch controllable transmission. The two electrical machines are operatively connected by a clutch controlla...
04/29/1997
4724331Method and apparatus for starting an aircraft engine
A pair of electrical generators (14,16) are installed on a jet engine (10). The generators (14,16) are coupled to each other in a manner so that together they can be used as crank motors to start the engine....
02/09/1988
4626696Flywheel propulsion system for automotive vehicles or the like
A propulsion system for use in automotive vehicles wherein the flywheel is connectable with the crankshaft of the internal combustion engine by a first clutch and with the input shaft of the change-speed transmission by a second clutch. When the engine wo...
12/02/1986
4524286Drive units for motor vehicles with internal combustion engine electric drives
Internal combustion engine-electric drive unit for a motor vehicle is provided with a setting means for the travel speed and a signal transmitter for the actual r.p.m. of the output shaft and with a nominal-value integrator, where the running time of the ...
06/18/1985
4456830AC Motor-starting for aircraft engines using APU free turbine driven generators
The invention is an electric starting system for starting aircraft jet engines (32), (34) and (36) using an APU (10) free turbine driven generator (12). The operating power factor of the starter-generator (12) is controlled during start mode operation of ...
06/26/1984
4187436Device for regulating the source of electric energy on a hybrid electric vehicle
Device for regulating the source of electric energy on a hybrid electric vehicle comprising at least an electric motor for driving the driving wheels of the vehicle and supplied with current by said source of energy and a generating set comprising a heat ...
02/05/1980
 
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