Patents for H02J 5 - Circuit arrangements for transfer of electric power between ac networks and dc networks (2,376)
08/1994
08/10/1994EP0609964A2 Adjustable reactance device and method
07/1994
07/12/1994US5329274 Apparatus for contactless data and energy transmission and method for operating such an apparatus
06/1994
06/16/1994DE4240238A1 Contactless power and data transmission device - uses vector orientated phase modulation for both one and two coil system operation
05/1994
05/11/1994WO1994010003A1 Arrangement for the inductive transfer of energy to movable consumers
05/05/1994DE4236340A1 Anordnung zur individuellen berührungslosen Energieübertragung auf bewegbare Verbraucher Arrangement for individual contactless energy transfer to movable consumer
05/04/1994EP0595302A1 Automated guided vehicle movable in all directions
04/1994
04/28/1994WO1994009558A1 Contactless power delivery system
04/28/1994WO1994009544A1 Contactless battery charging system
04/28/1994CA2147259A1 Contactless battery charging system
04/28/1994CA2147258A1 Contactless power delivery system
04/26/1994CA1328905C Method and apparatus for volumetric interstitial conductive hyperthermia
04/13/1994EP0591620A1 Battery power supply system
04/05/1994US5301096 Submersible contactless power delivery system
03/1994
03/31/1994DE4232356A1 Power supply system with at least two rectifier-inverter pairs - has voltage from one pair phase-shifted with respect to other pair thus eliminating unwanted harmonics
03/09/1994EP0586315A1 Assembly for recharging storage batteries of a electrically driven vehicle
03/09/1994CN1083629A Apparatus preventing from reverse charging of electricity
03/08/1994US5293308 Inductive power distribution system
02/1994
02/17/1994WO1994003957A1 Device for preventing reverse charging
01/1994
01/27/1994DE4324500A1 Wireless micromachine for in situ inspection of conduit inner walls - has energy conversion devices for converting different forms of energy e.g. radiation, microwaves into electrical energy
01/26/1994EP0580107A1 Magnetic levitation transport system
01/12/1994EP0577611A1 Inductive power distribution system
12/1993
12/29/1993EP0509991B1 A system for discharging electrical power from a high-voltage direct current line
11/1993
11/25/1993WO1993023909A1 A primary inductive pathway
11/25/1993WO1993023908A1 A non-contact power distribution system
11/25/1993WO1993023907A1 Apparatus and method for single line electrical transmission
11/18/1993DE4215957A1 Information transmission between terminal and transportable data card - has direct bidirectional data transfer over coupling and electromagnetic transmission with analogue signal change
10/1993
10/12/1993US5251785 Additive injection system and method
09/1993
09/22/1993CN1076515A Additive injection system and method
09/01/1993EP0558316A1 An inductive loop power transmission system
08/1993
08/11/1993EP0554725A2 Additive injection system and method
07/1993
07/27/1993US5231265 Method and apparatus for the transfer of electrical power to a balancer
07/07/1993EP0550348A1 High quality electrical power distribution system
05/1993
05/28/1993CA2083123A1 High quality electrical power distribution system
03/1993
03/30/1993US5197466 Method and apparatus for volumetric interstitial conductive hyperthermia
02/1993
02/16/1993US5187651 System for discharging electrical power from a high-voltage direct current line to local network
10/1992
10/21/1992EP0509125A1 Device for contactless data and energy transmission and operating method
09/1992
09/27/1992WO1992017929A1 Inductive power distribution system
05/1992
05/21/1992DE4201273A1 Regulating electric current between DC and AC voltage sources - using at least one rectifier or inverter depending on active and reactive current desired values and specified frequency
05/12/1992CA1300698C Roadway power and control system for inductively coupled transportation system
04/1992
04/16/1992DE4032569A1 Photovoltaic system coupled to mains network - has individual modules incorporating respective DC-AC converter for direct supply of mains network
03/1992
03/17/1992US5097165 Dual generator system with floating higher voltage output
03/04/1992EP0473257A2 Power conversion scheme employing paralleled units
02/1992
02/25/1992US5091840 Power conversion scheme employing shorting means to control current magnitude
02/19/1992EP0471435A2 Power conversion scheme employing shorting means to control current magnitude
12/1991
12/03/1991US5070440 Power conversion scheme employing paralleled units
12/03/1991US5070293 Electric power transmitting device with inductive coupling
10/1991
10/15/1991US5057989 Pwm controlled dc/ac power converter
08/1991
08/14/1991EP0132276B1 Implantable hyperthermia device and system
07/1991
07/10/1991EP0409880A4 Actuator and communication system
05/1991
05/08/1991EP0426345A2 Generator system
01/1991
01/30/1991EP0409880A1 Actuator and communication system.
12/1990
12/20/1990WO1990016104A1 A system for discharging electrical power from a high-voltage direct current line
10/1990
10/09/1990US4961422 Method and apparatus for volumetric interstitial conductive hyperthermia
09/1990
09/05/1990EP0385502A2 Electric power transmitting device with inductive coupling
07/1990
07/17/1990US4942352 Non-contacting power supplying system
05/1990
05/09/1990EP0366739A1 Electric transmission device
05/08/1990US4924171 System for supplying power source by electromagnetic induction coupling
04/1990
04/26/1990DE3840180C1 Housing with contact-free feed-through of radio-frequency signals
03/1990
03/14/1990EP0357829A1 Non-contacting power supplying system
01/1990
01/04/1990DE3821856A1 Electronic circuit for the parallel AC network operation of renewable energy
11/1989
11/02/1989WO1989010651A1 Electric transmission device
10/1989
10/19/1989WO1989010030A1 Actuator and communication system
06/1989
06/14/1989EP0319980A2 Apparatus for controlling a power converter
06/06/1989US4836344 Roadway power and control system for inductively coupled transportation system
05/1989
05/05/1989WO1989003665A1 System for volumetric interstitial conductive hyperthermia
11/1988
11/09/1988EP0289868A2 Roadway power and control system for inductively coupled trans portation system
04/1988
04/05/1988US4736452 Core coupled transmitter/receiver loops for connectorless entertainment systems
03/1988
03/23/1988EP0260725A2 Core coupled transmitter/receiver loops for connectorless entertainment systems
01/1988
01/19/1988US4719919 Implantable hyperthermia device and system
03/1987
03/24/1987US4652769 Module power supply
11/1985
11/13/1985EP0160990A2 Inductive transmission of power and data
08/1985
08/29/1985WO1985003812A1 Module power supply
12/1984
12/04/1984US4486821 Power source for a developing bias
08/1984
08/02/1984WO1984002839A1 Implantable hyperthermia device and system
06/1981
06/30/1981US4276590 Current sharing modular power system
08/1976
08/31/1976US3978389 Series-connected static convertors with re-starting regulator after fault
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