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| Application No. | Application Title | Issue Date |
| 20110234180 | ELECTRICAL MACHINE SAFETY SYSTEM An electrical machine system including a permanent magnet assembly having a magnetic field and a plurality of conductive coils, the magnet assembly and coils arranged for relative rotation between the coils and magnetic field in the manner of an electrical generator or ... | 09/29/2011 |
| 20110227425 | SUSPENSION SYSTEM FOR VEHICLE Disclosed are an apparatus, a system, and a method for suspension of a vehicle. An electromagnetic generator generates an electrical energy in response to a relative movement between a vehicle body and a wheel assembly. A storage device stores the electrical energy gene... | 09/22/2011 |
| 20110193534 | MAGNETIC CONTROL CIRCUIT SEPARATION SLIT An electric alternator/motor having a stator with at least two non-overlapping sectors is provided. Each sector includes a first winding, first and second magnetic circuits and a saturation control assembly. A cross-talk reduction feature, such as a peripheral slit is p... | 08/11/2011 |
| 20100060245 | RECTIFYING CIRCUIT FOR A MULTIPHASE ELECTRIC MACHINE Cathode-anode voltage across free-wheeling diodes in an active rectifier is used in the determination of switching points when the free-wheeling diode is forward biased. Hysteretic switching is accomplished through the selection of conductive and non-conductive switchin... | 03/11/2010 |
| 20100039077 | LOAD ANGLE MEASUREMENT AND POLE SLIP DETECTION Apparatus for measuring load angle in a synchronous generator is disclosed. The synchronous generator is of a type comprising a main machine, an exciter for exciting the main machine, and a permanent magnet machine for exciting the exciter. The apparatus comprises means... | 02/18/2010 |
| 20090284232 | Method and system for selecting between centralized and distributed maximum power point tracking in an energy generating system A method for selecting between centralized and distributed maximum power point tracking in energy generating system is provided. The energy generating system includes a plurality of energy generating devices, each of which is coupled to a corresponding local converter. ... | 11/19/2009 |
| 20080309084 | Circuit and Method for Reducing a Voltage Being Developed Across a Field Winding of a Synchronous Machine In an electrical power system of a diesel powered system having at least one diesel-fueled power generation unit, the electrical power system having a synchronous machine including a field winding being coupled to the diesel-fueled power generation unit, a battery for s... | 12/18/2008 |
| 20080197816 | Synchronous rectification device and synchronous electric machine implementing the device The invention pertains to a synchronous rectification device (10) of the H-bridge type supplying a coil (5) of a phase of a synchronous machine, comprising four switches (21, 31, 22, 32) disposed on the electrical links (11, 12) of this H-bri... | 08/21/2008 |
| 20080012538 | Coil switching of an electric generator An electric generator includes multiple coil sections and switches connected to the multiple coil sections for selectively interconnecting the coil sections in series, or in parallel, or in a series-parallel configuration across first and second power terminals for prod... | 01/17/2008 |
| 20070296363 | Rectifier and System for Controlling the Speed of an Electric Motor The invention concerns a reversible current rectifier, for connection to part of a polyphase network and to a continuous bus comprising a plurality of rectifier cells each rectifier cell including a rectifying device and a on-way electronic switch connected in anti-para... | 12/27/2007 |
| 20070247120 | VOLTAGE-LIMITED ELECTRIC MACHINE An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another to ... | 10/25/2007 |
| 20070182383 | Electric power converting device and power converting method for controlling doubly-fed induction generator Disclosed herein is an electric power converting device and power converting method for controlling doubly-fed induction generators, which provides a synchronous generator for generating auxiliary electric power independently of a doubly-fed induction generator so as to... | 08/09/2007 |
| 20060267559 | Device and method for driving electric actuator A smart actuator that includes a driving device and an electric actuator such as a DC motor includes a driving current detecting circuit, a driving circuit connected to the electric actuator, a control circuit that controls the driving circuit according to current data ... | 11/30/2006 |
| 20060250116 | GENERATOR WITH DUAL CYCLOCONVERTER FOR 120/240 VAC OPERATION A generator system has two modes of operation, such as 120 VAC and 240/120 VAC. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltage. One three phase AC voltage is coupled to a first cycl... | 11/09/2006 |
| 20060232251 | Switched reluctance generator with improved generation efficiency in low-speed range Disclosed is an SR (switched reluctance) generator with improved generation capability in a low-speed range. The SR generator is configured such that an inductance of a phase winding wound around a stator is increased in a low-speed range and is reduced in a high-speed ... | 10/19/2006 |
| 20060049809 | Control method of generator When drive control of a generator is performed, PWM control of a switching circuit comprising an FET and a diode connected to the opposite ends of a winding is performed. In the vicinity of a moment in time Lmax where the winding has a maximum inductance L, an alternati... | 03/09/2006 |
| 20060006847 | Alternator rectifier with coil-sensor controlled MOSFETs A switching circuit for an electric machine is provided. The switching circuit includes switches for energizing the phase windings of the machine and sensors for driving the state of the switches. The switches are voltage-controlled devices and the sensors are coils. ... | 01/12/2006 |
| 20050134238 | Multiple voltage generating There are apparatus and methods for generating a plurality of voltage levels. There is a rotor that includes a first and a second portion of rotor windings. The first portion of rotor windings is constructed and arranged to establish a first magnetic field of a first nu... | 06/23/2005 |
