Electricity: single generator systems inventions 03/07

20070069696 - Drive system, especially for a motor vehicle: A drive system which has a drive unit with a drive shaft; a centrifugal mass arrangement, which is mounted on the drive shaft; and an electrical machine, comprising a stator arrangement and a rotor arrangement, where the rotor arrangement is mounted on the centrifugal mass arrangement, and where the stator... Agent: Cohen, Pontani, Lieberman & Pavane

20070069697 - Control apparatus for a vehicular alternator: A control apparatus for a vehicular alternator can improve its reliability and reduce its cost by attenuating a field current of a rotor coil with a simple circuit. The apparatus includes an armature coil, a rectifier circuit, a rotor coil and a voltage control circuit. The rectifier circuit has an... Agent: Sughrue Mion, PLLC

20070063677 - Slip-controlled, wound-rotor induction machine for wind turbine and other applications: A system and method for providing constant-frequency electrical power from variable-speed mechanical power are disclosed. The system includes a wound-rotor induction machine generator (WRIMG), a first power converter, e.g., an inverter or a bridge rectifier, that provides power from the stator assembly of the WRIMG to the load, and a... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070057648 - Voltage control apparatus for electric generator of vehicle: In a vehicle voltage control apparatus which regulates the output voltage of the vehicle electric generator and which receives an external control signal for lowering the regulated voltage value, from an external apparatus such as the engine ECU during engine starting, a circuit detects the occurrence of engine starting based... Agent: Oliff & Berridge, PLC

20070046265 - Vehicle-use generator: The vehicle-use generator includes a rotor rotatably mounted on a shaft and having a field coil wound therearound, a stator having stator winding wound therearound and fixedly disposed so as to form a gap with the rotor, a cooling fan mounted to the rotor, a pulley belt-driven by a vehicle... Agent: Oliff & Berridge, PLC

20070046266 - Excitation controlled synchronous permanent magnet machine: The present invention provides an apparatus and methods for providing constant voltage from a permanent magnet generator at varying prime mover speeds or under varying loads. A constant voltage permanent magnet generator includes a housing, a magnetized rotor, a prime mover operationally coupled with the rotor, a stator, a main... Agent: Honeywell International Inc.

20070046267 - Electrical protection of a generator controller: A generator system includes a generator control for providing electrical power to a main generator. The main generator is mechanically coupled to an electrical power source that provides electrical power to the generator control during operation of the main generator. An arc fault device in electrical communication with the electrical... Agent: Carlson, Gaskey & Olds, P.C.