Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/2004
12/02/2004WO2004105227A1 Highly fail-safe power generator, particularly for rail systems, or the like
12/02/2004WO2004105226A1 Frequency controlled resonant converter
12/02/2004WO2004105225A2 Converter circuit
12/02/2004WO2004105224A1 A current rectifier circuit, its use and method in a parallel processor network
12/02/2004WO2004105220A2 Power module system
12/02/2004WO2004105208A1 Methods and apparatus for control of inductively coupled power transfer systems
12/02/2004WO2004105207A1 Parallel-tuned pick-up system with multiple voltage outputs
12/02/2004WO2004076723A3 Conversion circuit, system and method of executing an electrochemical process
12/02/2004US20040240244 Parallel operating system for uninterrupible power units
12/02/2004US20040240243 Prediction methods and circuits for operating a transistor as a rectifier
12/02/2004US20040240242 Integrated power supply apparatus for information appliances
12/02/2004US20040240240 Converter and a method for controlling a converter
12/02/2004US20040240237 Power converter
12/02/2004US20040240235 Backlight inverter for liquid crystal display panel with self-protection function
12/02/2004US20040240234 DC-AC converter, and method for supplying AC power
12/02/2004US20040240135 Differential load driver circuits
12/02/2004US20040239401 Zero-voltage-switching full-bridge converter
12/02/2004US20040239298 Concerter and a method for controlling a converter
12/02/2004US20040239278 Mounting structure of a switching element at a heat sink
12/02/2004DE102004013578A1 Antriebssystem mit elektrischen Leistungsgeräten Drive system with electric power devices
12/02/2004CA2526544A1 Methods and apparatus for control of inductively coupled power transfer systems
12/01/2004EP1482631A2 Mounting structure of a switching element at a heat sink
12/01/2004EP1482629A1 Converter circuit
12/01/2004EP1481468A1 Method and apparatus for controlling fan motor
12/01/2004EP1481466A1 Ac-dc converter with low ripple output
12/01/2004EP1481465A1 Switched-mode power supply, particularly for medical devices
12/01/2004EP1481464A1 H-bridge with single lead frame
12/01/2004EP1138177B1 Modular master-slave power supply controller
12/01/2004EP1012956B1 Low power rectifier circuit
12/01/2004CN2660785Y Three-phase semi-controlled bridge commutating stabilizator for permanent magnet generator
12/01/2004CN2660782Y Large power linear integration and integrated power source element
12/01/2004CN2660781Y Controlled driver for phase-shifting resonance soft switching inverter
12/01/2004CN2660780Y 电子变压器 Electronic Transformer
12/01/2004CN1552119A Excitation circuit and control method for flux switching motor
12/01/2004CN1551481A Power supply device for motor
12/01/2004CN1551477A Inverter control unit for electric motor drive and its air conditoner
12/01/2004CN1551476A Motor power supply
12/01/2004CN1551475A Power supply system and air conditioning device
12/01/2004CN1551471A 电力变换器 Power converter
12/01/2004CN1551470A Switching power supply apparatus
12/01/2004CN1551469A Power conversion apparatus and solar power generation system
12/01/2004CN1551342A Semiconductor device and power supply system
12/01/2004CN1178371C High frequency heating equipment
12/01/2004CN1178307C Single-input phase locking piezoelectric transformer driving circuit
11/2004
11/30/2004US6826062 Method and apparatus for overload-controlling inverter power generation apparatus
11/30/2004US6826035 Silicon controlled rectifier power controller
11/30/2004US6825643 Power converter module with an electromagnetically coupled inductor for switch control of a rectifier
11/25/2004WO2004102784A1 Driving method of synchronous motor and carrier
11/25/2004WO2004084388A3 Sinewave inverter using hybrid regulator
11/25/2004WO2004030407A3 Drive mechanism
11/25/2004US20040233682 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
11/25/2004US20040233590 Inverter power supply device
11/25/2004US20040232903 L-D snubber for different type PFC circuit
11/25/2004US20040232902 Method and apparatus for reducing sampling related errors in a modulating waveform generator used with a pwm controller
11/25/2004US20040232898 Power converter
11/25/2004US20040232896 Power supply apparatus providing medium voltage direct current
11/25/2004US20040232875 Apparatus and method for controlling inverter for driving a three-phase motor
11/25/2004US20040232863 Inverter control method and its device
11/25/2004DE10338161A1 Motor vehicle wiring loom power transformer has bidirectional direct to alternating current transformer with setting control for direction
11/24/2004EP1480334A2 Method and apparatus for extending the size of a transistor beyond one integrated circuit
11/24/2004EP1480329A2 Motor control unit
11/24/2004EP1480328A2 Method and apparatus for reducing sampling related errors in a modulating waveform generator used with a PWM controller
11/24/2004CN2659083Y Transformer and transformer unit with the transformer
11/24/2004CN2659020Y Local pulse control device
11/24/2004CN1550066A Half-bridge circuit
11/24/2004CN1549436A Middle voltage dc-to-ac converter with unit active bypass function and bypass control method thereof
11/24/2004CN1549073A Temperature controlling apparatus and method thereof
11/24/2004CN1177405C Pulse duration modulation method and its device
11/24/2004CN1177401C Surface mounting type switching mains and its mounting method
11/24/2004CN1176776C Improving free back flow current transferring in welding power source
11/23/2004US6822883 Converter circuit arrangement, as well as a method for matching a variable DC voltage
11/23/2004US6822866 Microdrive
11/23/2004US6822850 Laminated bus bar for use with a power conversion configuration
11/23/2004US6822363 Electromagnetic device
11/23/2004US6822353 Cooling apparatus for electric motor control unit
11/23/2004US6821156 Method and sliding connector and circuit card combination for implementing hot plugging protection for regulator, power supplies and system cards
11/23/2004US6820437 Air conditioner
11/18/2004WO2004100348A1 Power supply circuits
11/18/2004US20040230847 Power converter architecture employing at least one capacitor across a DC bus
11/18/2004US20040228150 Voltage conversion system and method and recording medium
11/18/2004US20040228094 Dual power module power system architecture
11/18/2004US20040227561 Method and apparatus for extending the size of a transistor beyond one integrated circuit
11/18/2004US20040227547 Semiconductor device and power supply system
11/18/2004US20040227498 Switching power supply circuit and overcurrent protection method for the switching power supply circuit
11/18/2004US20040227496 Switching power supply apparatus
11/18/2004US20040227479 Power supply device for motor
11/18/2004US20040227476 Flexible inverter power module for motor drives
11/18/2004US20040227231 Power module with voltage overshoot limiting
11/18/2004US20040226761 Drive system including electric power devices
11/18/2004DE4208911B4 Spannungsversorgung Power supply
11/18/2004DE10232051A1 Kühlkörper und Gleichrichterbaueinheit für eine elektrische Maschine Heat sink and rectifier unit for an electrical machine
11/18/2004CA2524649A1 Trigger arrangement for a marx generator
11/17/2004EP1478218A2 Base assembly for drive controller
11/17/2004EP1478084A1 A digital power converting method and device with zero voltage
11/17/2004EP1476883A1 Medium frequency transformer
11/17/2004EP1352464B1 Preconditioner
11/17/2004CN2657281Y Single-phase bridge parallel inverter for medium frequency power supply
11/17/2004CN2657280Y Three-phase bridge rectifier for medium frequency power supply
11/17/2004CN2657279Y Electric smelting joint heating power supply
11/17/2004CN1546340A A universalized, integrated and modularized IGBT traction converter module