Class 290/34 - Engine control

Subclass of Class 290 - Prime-mover dynamo plants
Definition: Electric-control prime-mover dynamo plants including a dynamo
No. of patents: 33
Last issue date: 01/15/2008

Number	Title	Issue Date
7319307	Power balancing of multiple synchronized generators Power balancing techniques for a synchronous power generation system are provided. One exemplary method for balancing power in a synchronous generator system includes determining an output power characteristic of a synchronous generator driven by a prime mover and c...	01/15/2008
7319306	Supercapacitor engine starting system with charge hysteresis An internal combustion motor assembly, including an internal combustion motor, a starter and a battery. In addition, the motor assembly includes a capacitor assembly, a capacitor charging assembly and a conductive network, logic and controlled switching assembly ada...	01/15/2008
7291934	Machine with an electrical system A machine includes an electrical power source, which may include a mechanical power source and an electric generator drivingly connected to the mechanical power source. The machine may also include one or more power loads connected to the electric generator. Additio...	11/06/2007
7285869	Method 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...	10/23/2007
7253535	Electrical starter generator system for a gas turbine engine A starting system and method for a gas turbine engine applies a change in conventional starter generator torque profiles near the conclusion of the start cycle after the engine self sustaining speed and just prior to starter generator cut-out. By decreasing the appl...	08/07/2007
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 mode, and engages the engine to the dynamoelectric machine through a...	07/31/2007
7224146	Dual voltage electrical system A dual voltage supply system supplies high and low voltage electrical power to separate high and low voltage loads. The system includes an AC alternator and first and second rectifier circuits, each connected to the alternator and a corresponding high and low voltag...	05/29/2007
7221064	Power circuit for battery A power circuit for a battery for, even when an idle-stop operation is continuously performed, preventing reduction of an electric power supplied to a motor at start-up to obtain a set engine rpm. The power circuit includes a series-connected power supply in which a...	05/22/2007
7180200	Starter system for portable internal combustion engine electric generators using a portable universal battery pack A generator starting system utilizes a portable universal battery pack to start an internal combustion engine of the generator. The system is adapted to utilize any one of a plurality of universal battery packs having outputs of varying voltage. The generator can in...	02/20/2007
7135784	Fast torque control of a belted alternator starter A belted-alternator starter system that continuously provides pre-flux when the vehicle ignition is on and the engine is off to provide a faster torque response when the engine is turned on. The alternator/starter device operates as an alternator for providing elect...	11/14/2006
7108087	Power transmitting apparatus for hybrid vehicle The present invention provides a power transmitting apparatus that uses a small configuration to efficiently carry out various forms of propulsions such as a speed change propulsion and even an EV propulsion (electric propulsion) including a series type EV propulsio...	09/19/2006
7102304	Control device for a reversible rotating electrical machine The invention relates to a control device for a reversible, multi-phased rotating electrical machine which can operate in alternator or motor mode. The inventive device comprises a main battery (4), an electric network (5) and a unit (3) for con...	09/05/2006
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
7023107	Power circuit for battery A power circuit for a battery for, even when an idle-stop operation is continuously performed, preventing reduction of an electric power supplied to a motor at start-up to obtain a set engine rpm. The power circuit includes a series-connected power supply in which a...	04/04/2006
6977475	Automotive electric power supply apparatus Each of the phases of coil in an armature winding of a dynamoelectric machine is constructed so as to have six turns, an inverter has a plurality of element-diode sets, each element-diode set including a pair of switching elements connected in series and diodes conn...	12/20/2005
6966866	Power outputting apparatus and vehicle equipped with same A power outputting apparatus determines whether a parking gear and a parking lock pole of a parking lock mechanism are engaged. When they are engaged, a second motor outputs a torque which is the sum of a pushing torque that is slightly greater than torque pulses ge...	11/22/2005
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 after the engine has been started. Control unit controls the rotation ...	10/25/2005
6882909	Method and system for reducing motor shock of a hybrid vehicle The method for reducing motor shock of a parallel hybrid electric vehicle equipped with a continuously variable transmission calculates an upper limit of acceleration and an upper limit of jerk of the vehicle based on vehicle speed; calculates a maximum motor torque...	04/19/2005
6833630	Method of operating an internal combustion powered vehicle generator with time delayed load energizing A method of operating a generator in a vehicle is provided, which generator is driven by an internal-combustion engine and supplies energy to a vehicle wiring system. For improving vehicle emissions, particularly after a cold start of the internal-combustion engine,...	12/21/2004
6769389	Dual voltage tandem engine start system and method A dual voltage tandem engine start system provides a method for high rotational speed, low emissions, heat-engine start-ups in a hybrid electric vehicle. The system also provides a reliable backup system that can be jumpstarted in an emergency should part of the veh...	08/03/2004
6759756	Starter for cranking internal combustion engine having main and auxiliary switches A starter includes an electric motor, a pinion gear driven by the electric motor and a magnetic switch having a plunger driven by a magnetic coil. Electric power to be fed to both the electric motor and the magnetic coil is supplied from an on-board battery through ...	07/06/2004
6664651	Engine on idle arbitration for a hybrid electric vehicle This invention is a method and system for determining whether the engine should be running in a Hybrid Electric Vehicle during vehicle idle conditions. Specifically, a controller determines if the vehicle is in idle and if engine operation is necessary. T...	12/16/2003
6559551	Starter device for fuel cell system A starter device, preferably for cold-starting, for fuel cell systems, including a current generation system, for generating electrical energy, and a gas generation system, for generating H2 -rich gas for the current generation system. An inter...	05/06/2003
6555927	Vehicular engine starting control apparatus and vehicular engine starting control method In a vehicle equipped with a motor generator and a starter, if an ignition key has been switched from OFF to ON, preferably an engine is started by using the starter. However, if the temperature T of the engine is high (BࣘT), the engine is started by th...	04/29/2003
6420793	Power delivery circuit with boost for energetic starting in a pulsed charge starter/alternator system A method of energizing a combined starter/alternator to start an engine in a vehicle including a primary energy storage device and a secondary energy storage device. The method includes the steps of monitoring a charge value on the secondary energy storag...	07/16/2002
6291902	Engine start control system An engine start control apparatus includes a motor/generator and a controller for controlling the motor/generator. The controller starts an engine cranking operation to start the engine by operating the motor/generator in a cranking mode for driving an en...	09/18/2001
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
5982045	Hybrid vehicle drive system adapted to prevent concurrent mode change and transmission shifting or torque distribution ratio change A hybrid drive system including an engine and an electric motor at least one of which is operated as drive power source to drive a motor vehicle in a selected one of different operation modes. The system is adapted to prevent concurrent operations to chan...	11/09/1999
5801499	Control system for a vehicular drive unit A control system for a vehicular drive unit that includes an engine, a motor-generator connected to the output shaft of the engine and which acts as both a motor and a generator, a battery for storing the energy recovered by the motor-generator as electri...	09/01/1998
5632238	Control system for an internal combustion engine with associated decompression device The present invention as disclosed herein is directed to an engine with associated decompression device which is adapted to drive an onboard generator/electric motor. The present invention comprises an engine speed sensor means for detecting the speed of ...	05/27/1997
4527071	Modular power plant for the combined production of electrical and thermal energy and installation comprising a plurality of modular power plants A modular power plant comprises an internal combustion engine coupled to an electrical machine. The electrical machine may be used to start the engine and to generate electrical energy. The power plant is provided with an electronic control and protection...	07/02/1985
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
4275311	Control and protection system for an installation for the combined production of electrical and thermal energy A power-generating installation comprises a plurality of modular power plants each comprised of an internal combustion engine connected to an electric machine. The electric machine is used to start the engine and thereafter operates as a generator supplyi...	06/23/1981

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Class 290/34 - Engine control