Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 4 - Circuit arrangements for mains or distribution networks not specified as ac or dc
Patents for H02J 4 - Circuit arrangements for mains or distribution networks not specified as ac or dc (1,909)
08/2000
08/16/2000EP1028512A2 Power supply device for electric consumers connected to decentralised power supply units assigned to seats in an aircraft
07/2000
07/26/2000EP1022218A2 Marine power distribution arrangement
05/2000
05/10/2000EP0904621A4 Modular power management system and method
04/2000
04/26/2000EP0996046A1 Constant current power supply system for connectable modular elements
04/26/2000EP0995256A1 Aircraft secondary power system
03/2000
03/21/2000US6040688 Electrical current supply device with incorporated electrical current sensor
02/2000
02/01/2000CA2149845C Cogeneration power system
11/1999
11/02/1999US5977645 Aircraft secondary power system
09/1999
09/29/1999CN2341312Y Sub-synchronous controller
09/22/1999CN1229533A High efficiency lighting system
08/1999
08/25/1999CN2335196Y Electric network transient interference imitation device
08/10/1999US5936318 Power distribution arrangement especially in an aircraft
08/04/1999EP0933640A2 Power supply comprising a current sensor
07/1999
07/27/1999US5929537 For use with a prime mover
06/1999
06/15/1999CA2122582C Electric power distribution system for active cathodic protection of reinforced concrete constructions
06/02/1999EP0919077A2 High efficiency lighting system
05/1999
05/19/1999CN1217096A Modular power management system and method
04/1999
04/06/1999US5892431 Power multiplexer for broadband communications systems
03/1999
03/31/1999EP0904621A1 Modular power management system and method
03/18/1999WO1998041793A3 High efficiency lighting system
03/17/1999EP0902518A2 Power distribution system in ships
02/1999
02/24/1999CN1208982A Counter valtage inverse ratio regulation circuit system
02/10/1999EP0896270A1 Reverse proportional voltage adjusting circuit system
01/1999
01/13/1999CN1204879A Device for distributing energy for airplane
01/07/1999WO1999000884A1 Aircraft secondary power system
01/07/1999CA2294403A1 Aircraft secondary power system
12/1998
12/16/1998EP0884821A1 Arrangement for power distribution, in particular for an aircraft
12/03/1998WO1998054815A1 Integrated electric power system
10/1998
10/21/1998EP0872786A1 System comprising control devices with a reduced quiescent current connected to a data bus
10/06/1998US5818123 Electrical system for electrically interconnecting a parent switch device to a child switch device
09/1998
09/24/1998WO1998041793A2 High efficiency lighting system
08/1998
08/25/1998US5798574 Distributed electrical power system for modular spacecraft
08/12/1998CN1190161A Power changing system for two-way changing between hydraulic energy and electric energy
08/06/1998WO1998034318A1 System and method of radio frequency control for aircraft electric power distribution contactors
08/06/1998CA2281711A1 System and method of radio frequency control for aircraft electric power distribution contactors
07/1998
07/28/1998US5786642 Modular power management system and method
07/23/1998DE19715880C1 System of wire bus networked controllers with reduced residual current consumption
07/21/1998US5784238 Coordinated cluster tool energy delivery system
07/21/1998CA2227641A1 Energy management and distribution control system
06/1998
06/25/1998DE19745747A1 Power conversion system for bi-directional conversion between hydraulic and electrical energy, e.g for aircraft
06/09/1998US5764502 Integrated electric power system
05/1998
05/22/1998CA2271913A1 Improvements relating to signalling in electricity distribution systems
04/1998
04/29/1998EP0838396A1 Power converting system for bidirectional conversion between hydraulic and electrical energy
02/1998
02/25/1998EP0825701A2 Coordinated cluster tool energy delivery system
01/1998
01/13/1998US5708551 Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users
12/1997
12/17/1997EP0724654B1 Electric power distribution system for active cathodic protection of reinforced concrete constructions
12/10/1997EP0811522A2 Multi-current traction system and method
12/10/1997CN1167055A Multiple power sources supplied propulsion system and realizing method
11/1997
11/13/1997DE19617915A1 Power distribution arrangement esp for powering loads in aircraft
09/1997
09/12/1997WO1997033355A1 Modular power management system and method
08/1997
08/19/1997US5659243 High isolation, power-on control circuit for aircraft external power connection
07/1997
07/15/1997US5648731 Method of checking solar panel characteristics in an operating solar electrical system
07/08/1997US5646462 DC voltage bypass power system architecture
05/1997
05/28/1997CA2174307A1 Local remote switching system
03/1997
03/25/1997US5615103 AC-DC adaptor/battery eliminator
03/18/1997US5612579 For an aircraft
01/1997
01/14/1997US5594285 Power distribution center
12/1996
12/31/1996US5589758 Modular, hybrid power system
08/1996
08/07/1996EP0724654A1 Electric power distribution system for active cathodic protection of reinforced concrete constructions
07/1996
07/02/1996US5532525 Congeneration power system
06/1996
06/25/1996US5530335 Battery regulated bus spacecraft power control system
04/1996
04/23/1996US5510659 Electrolysis inhibiting marine energy management system
11/1995
11/14/1995US5466353 Electric power distribution system for active cathodic protection of reinforced concrete constructions
06/1995
06/27/1995US5428659 Device for transferring electrical signals and electric energy to the memory device of a cassette
04/1995
04/04/1995US5404090 Electric power supply device
10/1994
10/12/1994CN1093498A Instrument monitoring system shared with electric energy converting equipment
06/1994
06/29/1994CN1088717A Power Circuit
04/1994
04/13/1994EP0401287B1 Power-operated device with a cooling facility
03/1994
03/22/1994US5297015 Power supply control system
02/1994
02/08/1994US5285208 Power management system for a worldwide multiple satellite communications system
02/02/1994EP0581078A2 Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users
01/1994
01/15/1994CA2099336A1 Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users
12/1993
12/03/1993CA2097120A1 Remote load management and fault isolation system
09/1993
09/22/1993EP0561309A1 Device for transferring electrical signals and electric energy to the memory device of a cassette
09/21/1993US5247242 Output module
08/1993
08/03/1993US5233286 Hybrid 270 volt DC system
06/1993
06/10/1993WO1993011279A1 Electric power distribution system for active cathodic protection of reinforced concrete constructions
04/1993
04/20/1993US5204587 Fluorescent lamp power control
04/14/1993EP0536876A1 Electric power system for marine vehicles
04/14/1993EP0536736A1 Power supply and control device particularly for RF ion thrustors
04/06/1993US5199912 Electric power system for marine vehicles
03/1993
03/09/1993US5193054 DC content control in a dual VSCF converter system
11/1992
11/17/1992US5164610 Method and apparatus for transmitting electrical energy to a moving device by means of capacitive coupling
10/1991
10/24/1991DE4012307A1 Mains power=pack supplying DC loads - has central converter stepping up mains frequency and supplying separate rectifiers for each module of system
01/1991
01/23/1991EP0409226A2 Power supply control system
12/1990
12/12/1990EP0401287A1 Power-operated device with a cooling facility.
12/1989
12/14/1989DE3819361A1 Electrical system
09/1989
09/08/1989WO1989008345A1 Power-operated device with a cooling facility
07/1989
07/11/1989US4847513 Power-operated device with a cooling facility
09/1988
09/28/1988EP0283945A2 Power supply device for electric tools
04/1988
04/06/1988CN87210562U Open-air movable power transforming and distributing unit
01/1988
01/19/1988US4720767 Internally fused variable value ceramic capacitor and circuit
09/1987
09/08/1987US4692683 Optical power distribution system
09/08/1987CA1226653A1 Load feed device, especially for direct current motors of ac-dc railway locomotives
03/1987
03/18/1987CN85106489A Real-time regulating apparatus for the network load
02/1987
02/03/1987US4641234 A-C or D-C to D-C converter for dual current locomotives with D-C motors
05/1986
05/06/1986CA1204157A1 Electrical energy production and distribution system for vehicles
11/1985
11/05/1985US4551632 System for producing and distributing electrical energy for vehicles particularly aircraft, as well as an electrical power center for such a system
07/1985
07/03/1985EP0147280A1 Supply method and apparatus for a load, especially a direct-current motor for bi-current railway locomotive
12/1984
12/18/1984US4489261 Method and means for feeding electric energy to a portable power tool
1 ... 9 10 11 12 13 14 15 16 17 18 19 20