Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
06/1996
06/04/1996US5523673 Electrically controllable inductor
05/1996
05/28/1996US5521810 Rectifying saturable reactor
05/28/1996US5521572 Unshielded air-coupled current transformer
05/28/1996US5521444 Apparatus for transferring electrical power from a stationary device to a rotating device without the use of brushes or contacts
05/28/1996CA2075572C High energy dissipation harmonic filter reactor
05/23/1996WO1996015531A1 Arcuate scan read/write assembly with encoded signal transmission through a rotary transformer
05/22/1996EP0713006A1 Ignition part for internal combustion engines
05/22/1996CN1122877A Ignition device for an internal combustion engine
05/21/1996US5519275 Electric machine with a transformer having a rotating component
05/17/1996WO1996014646A1 Device for mounting a flexible cable in a cylindrical sleeve, and high-voltage transformer comprising same
05/17/1996WO1996014645A1 Fractionated-rectification high-voltage transformer with grouped diodes
05/14/1996US5517104 Lead wire DC current sensor with saturated detecting core
05/08/1996EP0710965A2 Transformer structure and equipment therefor
05/08/1996EP0710964A2 Transformer for generating two high tensions showing great potential difference
05/01/1996EP0709865A1 Method and device for coupling magnetic material with electric windings
05/01/1996EP0558702B1 Current sensor having a magnetic circuit with an air gap
04/1996
04/25/1996DE4429656C1 Device for contactless transfer of electrical power to a moving objects such as cranes, lifts and traffic systems.
04/24/1996EP0708517A1 Self-aligning inductive charger
04/24/1996EP0658271B1 Current transformer
04/23/1996US5510762 Mounting arrangement for an inductive device
04/17/1996CN1120795A 感应加热装置 Induction heating apparatus
04/16/1996US5508678 High-voltage variable resistor unit
04/11/1996DE19537301A1 IC engine ignition coil assembly with mfg. method
04/10/1996EP0705480A1 Ignition coil assembly
04/09/1996US5506561 Ignition coil
04/09/1996US5506560 Electric power feeding device based on the electromagnetic induction
04/09/1996US5506489 Inductive coupler having a tactile feel
04/03/1996EP0704867A1 Release device with at least a current transformer
04/03/1996EP0704098A1 Transmission device
04/02/1996US5504419 Rod-core current transformer
03/1996
03/28/1996DE19539334A1 Rotor with electrical component for transferring power to the rotor e.g. for data transmission equipment
03/27/1996EP0703588A1 Ignition coil
03/27/1996CN2223522Y Small inductive voltage transformer for neon lamp
03/26/1996US5501205 Ignition coil set for a multicylinder internal combustion engine
03/13/1996EP0700574A1 Power coupling
03/13/1996CN2222029Y Ring core transformer ac electric welding machine
03/12/1996US5499185 Ducted air-cooled secondary of automobile battery charging transformer
03/12/1996US5498948 Self-aligning inductive charger
03/12/1996US5498911 Apparatus for transmitting electric power and data in motor vehicles
03/12/1996US5497756 Ignition coil for an internal combustion engine
03/07/1996DE19506372A1 Estimation of bidirectional movement in codec for low bit rate images
03/06/1996CN1118105A Zero-sequence current common reactancer
03/05/1996US5497310 High-frequency power unit for neon tubes
02/1996
02/28/1996EP0698897A1 Current transformer for a metal-encapsulated, gas-insulated high voltage installation
02/28/1996CN2221254Y Device for preventing error connecting of secondary terminal of current transformer
02/28/1996CN2221216Y Small current high accuracy current sensor
02/27/1996US5495169 Clamp-on current sensor
02/25/1996CA2152891A1 Current-transformer for a metal-enclosed gas-insulated high-voltage installation
02/22/1996DE19514342C1 Radio-interrogated current transducer for HV or MV appts.
02/21/1996EP0697131A1 Metal-enclosed high-voltage switchgear with a current transformer
02/20/1996US5492105 Ignition system for internal combustion engine
02/15/1996DE4428219A1 Housing for summing current converters of different sizes
02/15/1996DE19528501A1 Current sensor with signal compensation for polarity inversion
02/01/1996WO1996002843A1 Voltage transformer for metal-clad electric switchgear
02/01/1996DE4426699A1 Spannungswandler für eine metallgekapselte elektrische Schaltanlage Voltage transformer for a metal electrical switchgear
02/01/1996DE19522332A1 Ignition coil for IC engine
01/1996
01/30/1996US5488352 Communications and control system for tractor/trailer and associated method
01/30/1996US5488343 High-tension current transformer, with storage production by means of the automatization of the insulation thereof
01/30/1996US5488268 Electrical connector with improved centering of mating terminal pins, for a fluorescent-lighting ballast
01/24/1996CN2218046Y Double welder
01/24/1996CN1115561A 密封装置 Sealing device
01/23/1996US5485825 Internal combustion engine ignition device
01/18/1996WO1996001481A1 Epoxy resin casting composition
01/17/1996EP0692098A1 Electric current measuring device with a magnetic flux sensor, in particular for electric vehicles
01/17/1996CN2217839Y Multi-function welding electric powersupply
01/17/1996CN1115111A Rotary transformer and method for fabricating the same
01/16/1996US5485135 Ignition coil assembly filled with resinous material
01/10/1996EP0691662A1 Differential transformer for electronic protection device
01/10/1996EP0557378B1 A power supply circuit with integrated magnetic components
01/09/1996US5483401 Rotary head drum having a connecting member for providing electrical conduction
01/09/1996US5483215 Current transformer for lines
01/09/1996US5483143 Composite core designed for inductive coupled transformer probes
12/1995
12/27/1995EP0565655B1 Ignition coil for ignition systems of internal combustion engines
12/27/1995EP0402427B1 Data current coupler and methods of making and assembling same
12/27/1995CN1114079A Transformer for arc welder
12/20/1995EP0688028A1 Electromagnetic coupler
12/20/1995CN2215763Y High voltage current transformer
12/19/1995US5477203 Ignition coil assembly for internal combustion engine
12/19/1995US5477122 Plastic powder iron protection cover over ferrite for an inductively coupled charge probe
12/14/1995DE4420271A1 Ignition coils set for IC engine
12/13/1995EP0687134A2 Miniaturized transformer and inverter circuit and discharge tube glow circuit including such miniaturized transformer
12/13/1995CN2215143Y Gas insulated current transformer
12/05/1995US5473300 Cable coupling transformer
12/05/1995US5473299 Horizontal linearity correction coil
11/1995
11/23/1995DE4417897A1 Totalising current transformer modules assembly method
11/22/1995CN2213373Y Oxide-film aluminium band winding arc welding transformer
11/22/1995CN2213041Y Multifunctional welding and cutting machine
11/21/1995USRE35092 Ignition coil assembly for internal combustion engines
11/16/1995WO1995030992A1 Ignition coil to be mounted on a spark plug as an individual power supply for said spark plug
11/15/1995EP0682348A1 Ignition coil
11/15/1995CN2212829Y Full-plastics sealed coil air-blast transformer for energy-saving neon lamp
11/15/1995CN2212472Y Efficient ac arc welder
11/15/1995CN1111868A Horizontal linearity correction coil
11/15/1995CN1111753A DC current sensor
11/14/1995US5466994 Fly-back transformer
11/08/1995EP0681305A1 Rotary transformer and method for fabricating the same
11/07/1995US5463999 Ignition coil unit for an internal combustion engine and manufacturing method of the same
11/02/1995EP0680060A1 Rotary transformer
11/02/1995EP0680059A2 Air/liquid cooled metallic turn for high frequency high power charging transformers
11/02/1995EP0680058A2 A composite core designed for inductive coupled transformer probes