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| Number | Title | Issue Date |
| 7863764 | Powertrain with torque converter-mounted generator for multiple voltage electrical power and method for assembling same A torque converter-mounted generator is provided that, along with power electronics, offers at least two types of electrical power output and may be attached to a transmission without impacting the axial length of a powertrain in comparison to a powertrain with an i... | 01/04/2011 |
| 7329960 | System and method for propelling a large land-based vehicle using a dual function brushless dynamoelectric machine A propulsion system for a relatively large land-based vehicle, such as a locomotive or off-highway vehicle, is provided. The system may include a brushless dynamoelectric machine made up of a main alternator having a main rotor and a main stator, and an auxiliary al... | 02/12/2008 |
| 7215049 | Generator for vehicle A generator for a vehicle includes a stator having an armature coil, a rotor having a field coil and a voltage regulator having a surge absorbing capacitor element and a heat sink. The heat sink dissipates heat that is transmitted to the capacitor element, so that t... | 05/08/2007 |
| 7105936 | Generator control apparatus and method for automotive vehicle In a generator control apparatus for a vehicle, the control apparatus includes an engine; an intake air temperature sensing section configured to sense a temperature of intake air of the engine; an engine startup temperature-state determining section configured to d... | 09/12/2006 |
| 7084600 | Power control apparatus for a turbo charger equipped with an assist motor and a motor driven turbo charging apparatus A power control apparatus includes an inverter giving a rectangular waveform drive signal to an induction motor, an inverter voltage controlling section controlling an output voltage of the inverter, a converter boosting a voltage supplied to the inverter, a convert... | 08/01/2006 |
| 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 load power frequency. ... | 05/30/2006 |
| 7053568 | Battery-powered vehicle with AC driven traction and pump motors for mining applications A battery-powered vehicle for transporting a mined payload or supplies over the roadways existing in or around an underground mine, includes variable voltage, variable frequency drivers that convert DC voltage from a battery into an AC voltage for driving AC inducti... | 05/30/2006 |
| 7049256 | SiAlON containing ytterbium and method of making A SiAlON ceramic body made from a starting powder mixture that includes silicon nitride powder, and one or more powders that provide aluminum, oxygen, nitrogen and ytterbium to the SiAlON ceramic. The SiAlON ceramic body includes a two phase composite comprising alp... | 05/23/2006 |
| 7044255 | Electric generating system for automobiles and its control method An electric generating system for automobiles has a primary generator which is driven by an internal combustion engine of an automobile and supplies power to an electric load of the automobile and an electric motor for driving wheels of the automobile which are not ... | 05/16/2006 |
| 7042111 | System, method and apparatus for a redundant prime mover system The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates th... | 05/09/2006 |
| 7030511 | Soft hybrid-electric vehicle power supply circuit A soft hybrid-electric vehicle power supply circuit (14) is provided. The circuit includes a load sensor (19), which generates a load signal. A high-voltage bus (26) supplies a high voltage for a high-voltage load (30) and a low-voltage b... | 04/18/2006 |
| 7026783 | Drive system A drive system includes a central power supply with a line-commutated converter and a DC/DC converter connected downstream of the line-commutated converter, and a plurality of inverters, each inverter having an output connected a load, for example a motor, and a DC ... | 04/11/2006 |
| 6977495 | Detection circuitry for surgical handpiece system Various circuit configurations for use in switch assembly used in a surgical hand piece system are provided. The circuit configuration provide a number of functions such as permitting the presence and direction of conductivity to be detected. The circuit configurati... | 12/20/2005 |
| 6924563 | Method and apparatus for controlling a microturbine An apparatus for controlling a microturbine, the apparatus including: a rectifier adapted for converting at least one generated voltage from the microturbine to a DC link voltage; an inverter adapted for converting the DC link voltage to at least one inverter output... | 08/02/2005 |
| 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 detecting/maximum exciting current determining circuit and a power transi... | 05/31/2005 |
| 6879053 | Transformerless, load adaptive speed controller The invention in the simplest form is an improved variable speed engine/generator set with an integrated power conditioning system and control method, used to generate high quality AC power with optimum fuel efficiency and reduced emissions. The variable speed gener... | 04/12/2005 |
| 6787931 | Starter generator for internal combustion engine A starter generator for an internal combustion engine including: a rotating electric machine having a magnet rotor mounted to a crankshaft of the internal combustion engine, and a stator with a three-phase first armature coil and a three-phase second armature coil; ... | 09/07/2004 |
| 6765306 | Method for internally jump starting an internal combustion engine for a land-based vehicle Method and system are provided that allow determining in a vehicle having two or more sources of electrical energy what corrective action needs to be undertaken in the event one of the energy sources, due to malfunctions and/or environmental conditions, is not able ... | 07/20/2004 |
| 6616573 | Method and apparatus for eliminating power drainage in power sources used with starter-generators A method and apparatus for eliminating inadvertent power drain from an electrical power source coupled to a starter-generator. A multiple-position key switch and bypass rectifier configuration is implemented. The multiple-position key switch is coupled to... | 09/09/2003 |
| 6580178 | Pulsed charge starter/alternator control system A system and method of charging an energy storage device in a vehicle including an engine coupled to a combined starter/alternator and an energy storage device connected to said starter/alternator. The energy storage device provides electrical power to th... | 06/17/2003 |
| 6455946 | Alternating-current generating apparatus for an automotive vehicle An automotive alternator is driven by an internal combustion engine via a one-way clutch. When the internal combustion engine is in an idling condition, the power generation amount of the automotive alternator is increased during the engaged state of the ... | 09/24/2002 |
| 6445079 | Method and apparatus for controlling an induction machine An electrical machine (10) suitable for use as a starter/alternator for an automotive vehicle, has an inverter circuit (12), a rectifier circuit (14), and a stator circuit (16) that couples the inverter circuit (12) to the rectifier circuit (14). In addit... | 09/03/2002 |
| 6376927 | Hybrid electric drive and control method therefor A fuel management control method for a hybrid electric vehicle drive having an internal combustion engine and an electric motor arranged in parallel such that both can propel the vehicle; the system including an electric motor driven fuel pump and a progr... | 04/23/2002 |
| 6281596 | Automatic turbogenerator restarting method and system A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the number of iterations, and is useful regardless of whether the... | 08/28/2001 |
| 6278194 | Stator generator for an internal combustion engine A stator generator for an internal combustion engine comprising a magnet rotor provided on an output shaft of the engine and having main poles of permanent magnet and interpoles of material of high permeability alternately provided thereon whereby it is o... | 08/21/2001 |
| 6169332 | Constant turbine inlet temperature control of a turbine power generating system A microturbine power generating system includes an electrical generator and a turbine having a fixed inlet nozzle geometry. Maximum thermodynamic efficiency of the microturbine power generating system is achieved by maintaining the turbine inlet at or nea... | 01/02/2001 |
| 6153942 | Starter/generator speed sensing using field weakening A starter cutoff control apparatus and method for a starter/generator used on an engine includes a circuit for detecting starter/generator armature current during an engine start operation, comparing the armature current to an armature current setpoint to... | 11/28/2000 |
| 6066898 | Microturbine power generating system including variable-speed gas compressor A microturbine power generating system includes a combustor and a gas compressor that provides a flow of natural gas to a combustor. The flow of natural gas is regulated by varying the speed of the gas compressor to maintain gas compressor discharge press... | 05/23/2000 |
| 6064122 | Microturbine power of generating system including a battery source for supplying startup power A microturbine power generating system includes a battery source for providing startup power. Dc power provided by the battery source is converted to three-phase ac power, and the three-phase ac power is supplied to stator windings of an electrical genera... | 05/16/2000 |
| 5856709 | Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator A hybrid drive system for a motor vehicle, having an engine operated by combustion of a fuel, an electric energy storage device for storing an electric energy, a motor/generator connected to the electric energy storage device, and a synthesizing/distribut... | 01/05/1999 |
| 5698905 | Hybrid propulsion system for a motor vehicle and a method of operating the hybrid propulsion system A hybrid propulsion system for a motor vehicle, in which electric motors corresponding to the wheels of the motor vehicle are supplied by a generator, which generator is driven by an internal combustion engine, in particular via a direct current intermedi... | 12/16/1997 |
| 4456830 | AC 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 |
